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Don't see what you need? Contact us. We have many more tubes that are not yet listed. We also have new and good used tubes in most other numbers including preoctal, globe/balloon, octal, loctal, miniature, subminiature, metal, power, transmitter tubes and many more.

MDB Ventures Audio Tubes
Qty
Avail
Tube
Type
Price
Each
Tube
Brand
Emission
Strength
Mutual
Conduct

Desc

Notes
1 6BF5 $3.00 RCA 110% 3900 / 3400Gm NOS (OB) red lettering
1 6BF5 $3.00 RCA 110% 4400 / 3400Gm NOS (OB) red lettering
1 6BF5 $3.00 RCA 120% 4500 / 3400Gm NOS (OB) red lettering
1 6BF5 $3.00 RCA 120% 4400 / 3400Gm NOS (OB) red lettering
1 6BF5 $3.00 RCA 110% 5000 / 3400Gm NOS (OB) red lettering
1 6BF5 $3.00 RCA 120% 4600 / 3400Gm NOS (OB) red lettering
1 6BF5 $3.00 RCA 120% 4700 / 3400Gm NOS (OB) red lettering
1 6BF5 $3.00 RCA 135% 4700 / 3400Gm NOS (OB) white lettering
1 6BF5 $3.00 RCA 110% 3600 / 3400Gm NOS (OB) white lettering
1 6BF5 $3.00 RCA 120% 4700 / 3400Gm NOS (OB) white lettering
1 6BF5 $3.00 GE 120% 5600 / 3400Gm NOS (OB) white lettering
1 6BF5 $3.00 GE 120% 5900 / 3400Gm NOS (OB) white lettering
1 6BF5 $3.00 GE 110% 3600 / 3400Gm NOS (OB) white lettering
1 6BF5 $3.00 GE 120% 5800 / 3400Gm NOS (OB) white lettering
1 6BF5 $3.00 GE 130% 5200 / 3400Gm NOS (OB) white lettering
1 6BF5 $3.00 GE 130% 5400 / 3400Gm NOS (OB) white lettering
1 6BF5 $3.00 GE 115% 5000 / 3400Gm NOS (OB) white lettering
1 6BF5 $3.00 GE 120% 4800 / 3400Gm NOS (OB) white lettering
1 6BF5 $3.00 GE 120% 5000 / 3400Gm NOS (OB) white lettering
1 6BF5 $3.00 GE 120% 4000 / 3400Gm NOS (OB) white lettering
1 6BF5 $3.00 GE 110% 4000 / 3400Gm NOS (OB) white lettering
1 6BF5 $3.00 GE 110% 4300 / 3400Gm NOS (OB) white lettering
1 6BF5 $3.00 GE 140% 5000 / 3400Gm NOS (OB) white lettering
1 6BF5 $3.00 GE 120% 4800 / 3400Gm NOS (OB) white lettering
1 6BF5 $3.00 Sylvania 120% 6750 / 3400Gm NOS (OB) yellow lettering
1 6BF5 $3.00 Sylvania 120% 4200 / 3400Gm NOS (OB) yellow lettering
1 6BF5 $3.00 Sylvania 120% 4600 / 3400Gm NOS (OB) yellow lettering
1 6BF5 $3.00 Sylvania 120% 5400 / 3400Gm NOS (OB) yellow lettering
1 6BF5 $3.00 Sylvania 120% 4600 / 3400Gm NOS (OB) yellow lettering
1 6BF5 $3.00 Sylvania 110% 3800 / 3400Gm NOS (OB) yellow lettering
1 6BF5 $3.00 Sylvania 125% 4600 / 3400Gm NOS (OB) yellow lettering - worn box
1 6BF5 $3.00 Sylvania 115% 3900 / 3400Gm NOS (OB) yellow lettering
1 6BF5 $3.00 Sylvania 110% 5000 / 3400Gm NOS (OB) yellow lettering
1 6BF5 $3.00 Sylvania 140% 4400 / 3400Gm NOS (OB) yellow lettering
1 6BF5 $3.00 Sylvania 130% 5200 / 3400Gm NOS (OB) green lettering
1 6BF5 $3.00 Sylvania 130% 4400 / 3400Gm NOS (OB) green lettering
1 6BF5 $3.00 Raytheon 140% 5000 / 3400Gm NOS (OB) ---
1 6BF5 $3.00 Raytheon 110% 4500 / 3400Gm NOS (OB) ---
1 6BF5 $3.00 Raytheon 130% 6000 / 3400Gm NOS (OB) ---
1 6BF5 $3.00 Raytheon 120% 4400 / 3400Gm NOS (OB) ---
1 6BF5 $3.00 Raytheon 110% 3900 / 3400Gm NOS (OB) ---
1 6BF5 $3.00 Raytheon 110% 4000 / 3400Gm NOS (OB) ---
1 6BF5 $3.00 Raytheon 130% 5700 / 3400Gm NOS (OB) ---
1 6BF5 $3.00 Raytheon 120% 4200 / 3400Gm NOS (OB) ---
1 6BF5 $3.00 Raytheon 120% 4000 / 3400Gm NOS (OB) ---
1 6BF5 $3.00 Raytheon 130% 5700 / 3400Gm NOS (OB) ---
1 6BF5 $3.00 Raytheon 120% 4000 / 3400Gm NOS (OB) ---
1 6BF5 $3.00 Raytheon 120% 3700 / 3400Gm NOS (OB) ---
1 6BF5 $3.00 Tung-Sol 120% 5900 / 3400Gm NOS (OB) ---
1 6BF5 $3.00 Tung-Sol 120% 4500 / 3400Gm NOS (OB) ---
1 6BF5 $3.00 Tung-Sol 110% 4500 / 3400Gm NOS (OB) ---
1 6BF5 $3.00 Tung-Sol 120% 5200 / 3400Gm NOS (OB) ---
1 6BF5 $3.00 Tung-Sol 115% 5000 / 3400Gm NOS (OB) ---
1 6BF5 $3.00 Tung-Sol 150% 5100 / 3400Gm NOS (OB) ---
1 6BF5 $3.00 Tung-Sol 110% 4500 / 3400Gm NOS (OB) ---
1 6BF5 $3.00 GM Delco 110% 4300 / 3400Gm NOS (OB) ---
1 6BF5 $3.00 GE Delco 110% 4000 / 3400Gm NOS (OB) ---
1 6BF5 $3.00 CBS 130% 4200 / 3400Gm NOS (OB) ---
1 6BF5 $3.00 Arcturus 120% 4200 / 3400Gm NOS (OB) ---
1 6BF5 $3.00 Arcturus 120% 4700 / 3400Gm NOS (OB) ---
1 6BF5 $1.00 GE 130% 4700 / 3400Gm used (rb) white lettering
1 6BF5 $1.00 Sylvania 120% 5200 / 3400Gm used (rb) yellow lettering
1 6BF5 $1.00 Sylvania 100% 3800 / 3400Gm used (rb) yellow lettering
1 6BF5 $1.00 Sylvania 100% 4000 / 3400Gm used (rb) yellow lettering
1 6BF5 $1.00 Sylvania 100% 3300 / 3400Gm used (rb) yellow lettering
1 6BF5 $1.00 Sylvania 130% 5600 / 3400Gm used (rb) green lettering
1 6BF5 $1.00 Raytheon 110% 3200 / 3400Gm used (rb) ---
1 6BF5 $1.00 Raytheon 100% 3800 / 3400Gm used (rb) ---
1 6BF5 $1.00 Tung-Sol 120% 5000 / 3400Gm used (rb) ---
1 6BF5 $1.00 Tung-Sol 100% 5000 / 3400Gm used (rb) ---
1 6BF5 $1.00 Admiral 100% 5200 / 3400Gm used (rb) ---
1 6BF5 $0.50 RCA 115% 4000 / 3400Gm used leaky (1M) (rb) red lettering
1 6BF5 $0.50 RCA 90% 3300 / 3400Gm used leaky (1M) (rb) red lettering
1 6DB5 $3.00 Amperex 140% 11000 / 80000Gm NOS (OB) world logo
1 6DB5 $3.00 RCA 120% 9500 / 80000Gm NOS (OB) red lettering - worn box
1 6DB5 $3.00 RCA 120% 9500 / 80000Gm NOS (OB) red lettering
1 6DB5 $3.00 RCA 120% 10500 / 80000Gm NOS (OB) red lettering
1 6DB5 $3.00 RCA 120% 9000 / 80000Gm NOS (OB) red lettering
1 6DB5 $3.00 RCA 120% 9000 / 80000Gm NOS (OB) red lettering
1 6DB5 $3.00 RCA 120% 9000 / 80000Gm NOS (OB) red lettering
1 6DB5 $3.00 RCA 120% 9000 / 80000Gm NOS (OB) red lettering
1 6DB5 $3.00 RCA 120% 9000 / 80000Gm NOS (OB) red lettering
1 6DB5 $3.00 RCA 120% 9000 / 80000Gm NOS (OB) red lettering
1 6DB5 $3.00 GE 140% 11000 / 80000Gm NOS (OB) white lettering
1 6DB5 $3.00 GE 130% 11000 / 80000Gm NOS (OB) white lettering
1 6DB5 $3.00 GE 130% 11000 / 80000Gm NOS (OB) white lettering
1 6DB5 $3.00 GE 130% 10000 / 80000Gm NOS (OB) white lettering
1 6DB5 $3.00 GE 120% 8500 / 80000Gm NOS (OB) white lettering
1 6DB5 $3.00 GE 120% 9000 / 80000Gm NOS (OB) white lettering
1 6DB5 $3.00 GE 110% 9000 / 80000Gm NOS (OB) white lettering
1 6DB5 $3.00 Sylvania 130% 9000 / 80000Gm NOS (OB) yellow lettering
1 6DB5 $3.00 Sylvania 125% 10000 / 80000Gm NOS (OB) yellow lettering
1 6DB5 $3.00 Sylvania 120% 9000 / 80000Gm NOS (OB) yellow lettering
1 6DB5 $3.00 Sylvania 120% 9000 / 80000Gm NOS (OB) yellow lettering
1 6DB5 $3.00 Sylvania 120% 9500 / 80000Gm NOS (OB) yellow lettering
1 6DB5 $3.00 Sylvania 120% 9500 / 80000Gm NOS (OB) yellow lettering
1 6DB5 $3.00 Sylvania 120% 9500 / 80000Gm NOS (OB) yellow lettering
1 6DB5 $3.00 Sylvania 120% 9250 / 80000Gm NOS (OB) yellow lettering
1 6DB5 $3.00 Sylvania 120% 8500 / 80000Gm NOS (OB) yellow lettering
1 6DB5 $3.00 Raytheon 140% 10000 / 80000Gm NOS (OB) ---
1 6DB5 $3.00 Raytheon 130% 10500 / 80000Gm NOS (OB) ---
1 6DB5 $3.00 Raytheon 130% 11000 / 80000Gm NOS (OB) ---
1 6DB5 $3.00 Raytheon 115% 9000 / 80000Gm NOS (OB) ---
1 6DB5 $3.00 Tung-Sol 140% 8500 / 80000Gm NOS (OB) ---
1 6DB5 $3.00 Tung-Sol 130% 9000 / 80000Gm NOS (OB) ---
1 6DB5 $3.00 Tung-Sol 130% 9500 / 80000Gm NOS (OB) ---
1 6DB5 $3.00 Tung-Sol 130% 10000 / 80000Gm NOS (OB) ---
1 6DB5 $3.00 Tung-Sol 120% 8250 / 80000Gm NOS (OB) ---
1 6DB5 $3.00 Westinghouse 125% 9500 / 80000Gm NOS (OB) ---
1 6DB5 $3.00 Rad-Tel 125% 9500 / 80000Gm NOS (OB) ---
1 6DB5 $1.00 RCA 120% 9000 / 80000Gm used (rb) red lettering
1 6DB5 $1.00 GE 110% 8000 / 80000Gm used (rb) white lettering
1 6DB5 $1.00 GE 100% 8000 / 80000Gm used (rb) white lettering
1 6DB5 $1.00 Sylvania 110% 8000 / 80000Gm used (rb) yellow lettering
1 6DB5 $1.00 Admiral 130% 10000 / 80000Gm used (rb) ---
1 6DB5 $1.00 CBS 110% 9000 / 80000Gm used (rb) ---
1 6DB5 $1.00 unknown 110% 8500 / 80000Gm used (L) ---
1 6DB5 $1.00 Admiral 100% 8500 / 80000Gm used (L) ---
1 6DB5 $0.50 Tung-Sol 90% 7000 / 80000Gm used (rb) ---
1 12DB5 $3.00 RCA 120% 10500 / 80000Gm NOS (OB) red lettering
1 12DB5 $3.00 RCA 120% 9500 / 80000Gm NOS (OB) red lettering
1 12DB5 $3.00 RCA 120% 9000 / 80000Gm NOS (OB) red lettering
1 12DB5 $3.00 RCA 120% 9000 / 80000Gm NOS (OB) red lettering
1 12DB5 $3.00 RCA 125% 9500 / 80000Gm NOS (OB) red lettering
1 12DB5 $3.00 RCA 125% 8750 / 80000Gm NOS (OB) red lettering
1 12DB5 $3.00 RCA 130% 11000 / 80000Gm NOS (OB) red lettering
1 12DB5 $3.00 RCA 130% 10500 / 80000Gm NOS (OB) red lettering
1 12DB5 $3.00 RCA 130% 10000 / 80000Gm NOS (OB) red lettering
1 12DB5 $3.00 RCA 130% 10000 / 80000Gm NOS (OB) red lettering
1 12DB5 $3.00 RCA 130% 10000 / 80000Gm NOS (OB) red lettering
1 12DB5 $3.00 RCA 130% 10000 / 80000Gm NOS (OB) red lettering
1 12DB5 $3.00 RCA 130% 10000 / 80000Gm NOS (OB) red lettering
1 12DB5 $3.00 RCA 130% 9750 / 80000Gm NOS (OB) red lettering
1 12DB5 $3.00 RCA 130% 9500 / 80000Gm NOS (OB) red lettering
1 12DB5 $3.00 RCA 130% 9500 / 80000Gm NOS (OB) red lettering
1 12DB5 $3.00 RCA 130% 9500 / 80000Gm NOS (OB) red lettering
1 12DB5 $3.00 RCA 130% 9500 / 80000Gm NOS (OB) red lettering
1 12DB5 $3.00 RCA 130% 9000 / 80000Gm NOS (OB) red lettering
1 12DB5 $3.00 RCA 130% 9250 / 80000Gm NOS (OB) red lettering
1 12DB5 $3.00 RCA 140% 9250 / 80000Gm NOS (OB) red lettering
1 12DB5 $3.00 RCA 140% 10000 / 80000Gm NOS (OB) red lettering
1 12DB5 $3.00 GE 130% 10000 / 80000Gm NOS (OB) white lettering
1 12DB5 $3.00 GE 130% 10000 / 80000Gm NOS (OB) white lettering
1 12DB5 $3.00 GE 130% 10000 / 80000Gm NOS (OB) white lettering
1 12DB5 $3.00 GE 130% 10000 / 80000Gm NOS (OB) white lettering
1 12DB5 $3.00 GE 130% 10000 / 80000Gm NOS (OB) white lettering
1 12DB5 $3.00 GE 130% 11000 / 80000Gm NOS (OB) white lettering
1 12DB5 $3.00 GE 130% 8500 / 80000Gm NOS (OB) white lettering
1 12DB5 $3.00 GE 120% 10000 / 80000Gm NOS (OB) white lettering
1 12DB5 $3.00 GE 110% 9000 / 80000Gm NOS (OB) white lettering
1 12DB5 $3.00 GE 130% 10500 / 80000Gm NOS (OB) white lettering - damaged box
1 12DB5 $3.00 GE 130% 9500 / 80000Gm NOS (OB) white lettering - worn box
1 12DB5 $3.00 Sylvania 130% 10000 / 80000Gm NOS (OB) yellow lettering
1 12DB5 $3.00 Sylvania 130% 9750 / 80000Gm NOS (OB) yellow lettering
1 12DB5 $3.00 Sylvania 130% 9500 / 80000Gm NOS (OB) yellow lettering
1 12DB5 $3.00 Sylvania 140% 10500 / 80000Gm NOS (OB) yellow lettering
1 12DB5 $3.00 Sylvania 140% 10500 / 80000Gm NOS (OB) yellow lettering
1 12DB5 $3.00 Sylvania 120% 9500 / 80000Gm NOS (OB) yellow lettering
1 12DB5 $3.00 Raytheon 110% 10000 / 80000Gm NOS (OB) ---
1 12DB5 $3.00 Raytheon 120% 12000 / 80000Gm NOS (OB) ---
1 12DB5 $3.00 Raytheon 130% 11750 / 80000Gm NOS (OB) ---
1 12DB5 $3.00 Raytheon 130% 10250 / 80000Gm NOS (OB) ---
1 12DB5 $3.00 Raytheon 130% 10500 / 80000Gm NOS (OB) ---
1 12DB5 $3.00 Raytheon 135% 11000 / 80000Gm NOS (OB) ---
1 12DB5 $3.00 Rogers 130% 10500 / 80000Gm NOS (OB) ---
1 12DB5 $3.00 CBS 140% 10000 / 80000Gm NOS (OB) ---
1 12DB5 $3.00 Admiral 130% 11250 / 80000Gm NOS (OB) ---
1 12DB5 $3.00 Westinghouse 125% 10000 / 80000Gm NOS (OB) ---
1 12DB5 $1.00 RCA 130% 9500 / 80000Gm used (rb) red lettering
1 12DB5 $1.00 RCA 125% 9500 / 80000Gm used (rb) red lettering
1 12DB5 $1.00 RCA 120% 9500 / 80000Gm used (rb) red lettering
1 12DB5 $1.00 GE 120% 10000 / 80000Gm used (rb) white lettering
1 12DB5 $1.00 Sylvania 120% 8000 / 80000Gm used (rb) yellow lettering
1 12DB5 $1.00 Sylvania 130% 9000 / 80000Gm used (rb) yellow lettering
1 12DB5 $1.00 Admiral 140% 11000 / 80000Gm used (rb) ---
1 12DB5 $1.00 Admiral 110% 10000 / 80000Gm used (rb) ---
1 12DB5 $1.00 Admiral 100% 9500 / 80000Gm used (rb) ---
1 12DB5 $1.00 Admiral 100% 8750 / 80000Gm used (rb) ---
1 12DB5 $1.00 CBS / Hytron 130% 9500 / 80000Gm used (rb) for Admiral
1 12DB5 $1.00 CBS 140% 10500 / 80000Gm used (rb) ---
1 12DB5 $1.00 Arcturus 100% 8000 / 80000Gm used (rb) ---
1 12DB5 $1.00 unknown 140% 10750 / 80000Gm used (rb) ---
1 12DB5 $1.00 unknown 110% 9500 / 80000Gm used (rb) ---
1 12DB5 $1.00 unknown 125% 10000 / 80000Gm used (rb) ---
1 12DB5 $1.00 unknown 110% 10000 / 80000Gm used (rb) ---
1 12DB5 $1.00 unknown 115% 10000 / 80000Gm used (rb) ---
1 12DB5 $1.00 Admiral 100% 9500 / 80000Gm used (L) ---
1 12DB5 $1.00 Admiral 100% 9000 / 80000Gm used (L) ---
1 12DB5 $1.00 Sylvania 100% 9500 / 80000Gm used (L) yellow lettering
1 12DB5 $0.50 unknown 95% 8250 / 80000Gm used (L) ---
1 12DB5 $0.50 Dumont / Emerson 90% 9000 / 80000Gm used (rb) ---
1 12DB5 $0.25 Raytheon 130% 10500 / 80000Gm used leaky (1M) (rb) ---
1 12AB5 $5.00 RCA 120% 6000 / 4100Gm NOS (OB) (M9) red lettering (cat:A65)
1 12AB5 $5.00 RCA 120% 5750 / 4100Gm NOS (OB) (M9) red lettering - worn box (cat:A65)
1 12AB5 $5.00 RCA 120% 6250 / 4100Gm NOS (OB) (M9) red lettering (cat:A65)
1 12AB5 $5.00 RCA 120% 5500 / 4100Gm NOS (OB) (M9) red lettering (cat:A65)
1 12AB5 $5.00 RCA 120% 5750 / 4100Gm NOS (OB) (M9) red lettering (cat:A65)
1 12AB5 $5.00 RCA 120% 5500 / 4100Gm NOS (OB) (M9) red lettering - grid 'c' clip (cat:A65)
1 12AB5 $5.00 RCA 120% 5500 / 4100Gm NOS (OB) (M9) red lettering (cat:A65)
1 12AB5 $5.00 RCA 120% 5750 / 4100Gm NOS (OB) (M9) red lettering (cat:A65)
1 12AB5 $5.00 RCA 120% 6000 / 4100Gm NOS (OB) (M9) red lettering - grid 'c' clip (cat:A65)
1 12AB5 $5.00 RCA 110% 5500 / 4100Gm NOS (OB) (M9) red lettering (cat:A65)
1 12AB5 $5.00 RCA 110% 5500 / 4100Gm NOS (OB) (M9) red lettering - grid 'c' clip (cat:A65)
1 12AB5 $5.00 RCA 110% 5000 / 4100Gm NOS (OB) (M9) red lettering (cat:A65)
1 12AB5 $5.00 RCA 115% 5250 / 4100Gm NOS (OB) (M9) red lettering - grid 'c' clip (cat:A65)
1 12AB5 $5.00 RCA 115% 6000 / 4100Gm NOS (OB) (M9) red lettering (cat:A65)
1 12AB5 $5.00 RCA 115% 5500 / 4100Gm NOS (OB) (M9) red lettering (cat:A65)
1 12AB5 $5.00 RCA 110% 5000 / 4100Gm NOS (OB) (M9) red lettering (cat:A65)
1 12AB5 $5.00 GE 120% 6000 / 4100Gm NOS (OB) (M9) white lettering (cat:A65)
1 12AB5 $5.00 GE 120% 5750 / 4100Gm NOS (OB) (M9) white lettering (cat:A65)
1 12AB5 $5.00 GE 120% 5500 / 4100Gm NOS (OB) (M9) white lettering - grid 'c' clip (cat:A65)
1 12AB5 $5.00 GE 125% 6500 / 4100Gm NOS (OB) (M9) white lettering (cat:A65)
1 12AB5 $5.00 GE 110% 5000 / 4100Gm NOS (OB) (M9) white lettering - grid 'c' clip (cat:A65)
1 12AB5 $5.00 GE 115% 5500 / 4100Gm NOS (OB) (M9) white lettering (cat:A65)
1 12AB5 $5.00 GE 110% 5000 / 4100Gm NOS (OB) (M9) white lettering - grid 'c' clip (cat:A65)
1 12AB5 $5.00 Sylvania 110% 5500 / 4100Gm NOS (OB) (M9) yellow lettering - grid 'c' clip (cat:A65)
1 12AB5 $5.00 Sylvania 110% 5000 / 4100Gm NOS (OB) (M9) yellow lettering - grid 'c' clip (cat:A65)
1 12AB5 $5.00 Sylvania 110% 5500 / 4100Gm NOS (OB) (M9) yellow lettering - grid 'c' clip (cat:A65)
1 12AB5 $5.00 Sylvania 110% 5500 / 4100Gm NOS (OB) (M9) yellow lettering - grid 'c' clip (cat:A65)
1 12AB5 $5.00 Sylvania 110% 5000 / 4100Gm NOS (OB) (M9) yellow lettering - grid 'c' clip (cat:A65)
1 12AB5 $5.00 Sylvania 120% 5500 / 4100Gm NOS (OB) (M9) yellow lettering - grid 'c' clip (cat:A65)
1 12AB5 $5.00 Sylvania 120% 5500 / 4100Gm NOS (OB) (M9) yellow lettering - grid 'c' clip (cat:A65)
1 12AB5 $5.00 Sylvania 120% 5500 / 4100Gm NOS (OB) (M9) yellow lettering - grid 'c' clip (cat:A65)
1 12AB5 $5.00 Sylvania 120% 5750 / 4100Gm NOS (OB) (M9) yellow lettering - grid 'c' clip (cat:A65)
1 12AB5 $5.00 Sylvania 115% 5500 / 4100Gm NOS (OB) (M9) yellow lettering - grid 'c' clip (cat:A65)
1 12AB5 $5.00 Sylvania 115% 5000 / 4100Gm NOS (OB) (M9) yellow lettering - grid 'c' clip (cat:A65)
1 12AB5 $5.00 Motorola 120% 6000 / 4100Gm NOS (OB) (M9) (cat:A65)
1 12AB5 $5.00 Motorola 115% 6000 / 4100Gm NOS (OB) (M9) (cat:A65)
1 12AB5 $5.00 Motorola 120% 6250 / 4100Gm NOS (OB) (M9) (cat:A65)
1 12AB5 $5.00 Motorola 120% 5500 / 4100Gm NOS (OB) (M9) (cat:A65)
1 12AB5 $5.00 Motorola 120% 6250 / 4100Gm NOS (OB) (M9) (cat:A65)
1 12AB5 $5.00 Motorola 110% 6250 / 4100Gm NOS (OB) (M9) (cat:A65)
1 12AB5 $5.00 Motorola 110% 5250 / 4100Gm NOS (OB) (M9) (cat:A65)
1 12AB5 $5.00 CBS 140% 5500 / 4100Gm NOS (OB) (M9) (cat:A65)
1 12AB5 $5.00 CBS 110% 5000 / 4100Gm NOS (OB) (M9) (cat:A65) - water damaged box
1 12AB5 $5.00 Westinghouse 110% 5000 / 4100Gm NOS (OB) (M9) grid 'c' clip (cat:A65)
1 12AB5 $5.00 Westinghouse 110% 5500 / 4100Gm NOS (OB) (M9) grid 'c' clip (cat:A65)
1 12AB5 $5.00 Raytheon 115% 5500 / 4100Gm NOS (OB) (M9) (cat:A65)
1 12AB5 $5.00 Raytheon 120% 5750 / 4100Gm NOS (OB) (M9) (cat:A65)
1 12AB5 $5.00 Raytheon 120% 5500 / 4100Gm NOS (OB) (M9) (cat:A65)
1 12AB5 $5.00 Raytheon 110% 5000 / 4100Gm NOS (OB) (M9) (cat:A65)
1 12AB5 $2.50 RCA 100% 4750 / 4100Gm used (rb) (M9) red lettering (cat:A65)
1 12AB5 $2.50 RCA 110% 5500 / 4100Gm used (rb) (M9) red lettering (cat:A65)
1 12AB5 $2.50 Sylvania 105% 4750 / 4100Gm used (rb) (M9) green lettering - grid 'c' clip (cat:A65)
1 12AB5 $2.50 Sylvania 100% 5000 / 4100Gm used (rb) (M9) yellow lettering - grid 'c' clip (cat:A65)
1 12AB5 $2.50 Sylvania 120% 5500 / 4100Gm used (rb) (M9) yellow lettering - grid 'c' clip (cat:A65)
1 12AB5 $2.50 GE 110% 4500 / 4100Gm used (rb) (M9) white lettering - grid 'c' clip (cat:A65)
1 12AB5 $2.50 Motorola 110% 5000 / 4100Gm used (rb) (M9) grid 'c' clip (cat:A65)
1 12AB5 $2.50 EF Johnson 120% 5500 / 4100Gm used (rb) (M9) (cat:A65)
1 12AB5 $2.50 Webcor 110% 5250 / 4100Gm used (rb) (M9) grid 'c' clip (cat:A65)
1 12AB5 $2.50 FoMoCo 110% 5500 / 4100Gm used (rb) (M9) grid 'c' clip (cat:A65)
1 12AB5 $2.50 Westinghouse 115% 5500 / 4100Gm used (rb) (M9) grid 'c' clip (cat:A65)
1 12AB5 $2.50 Webcor 120% 5500 / 4100Gm 100dmc used (rb) (M9) grid 'c' clip (cat:A65)
1 12AB5 $2.50 Fomoco 120% 5500 / 4100Gm 100dmc used (rb) (M9) (cat:A65) ---
1 12AB5 $2.50 RCA 120% 5500 / 4100Gm 90dmc used (L) (M9) (cat:A65) ---
1 12AB5 $2.50 RCA 120% 5750 / 4100Gm 100dmc used (L) (M9) (cat:A65) ---
1 12AB5 $2.50 RCA 110% 4750 / 4100Gm 90dmc used (L) (M9) (cat:A65) ---
1 12AB5 $2.50 RCA 110% 5500 / 4100Gm 90dmc used (L) (M9) (cat:A65) ---
1 12AB5 $2.00 unknown 110% 5000 / 4100Gm used (rb) (M9) (cat:A65)
1 12AB5 $2.00 unknown 120% 5000 / 4100Gm used (rb) (M9) (cat:A65)
1 12AB5 $2.00 unknown 120% 5500 / 4100Gm used (rb) (M9) (cat:A65)
1 12AB5 $2.00 unknown 120% 5500 / 4100Gm used (L) (M9) (cat:A65)
1 12AB5 $2.00 unknown 100% 5000 / 4100Gm used (L) (M9) (cat:A65)
1 12AB5 $1.00 Sylvania 95% 4500 / 4100Gm used (rb) (M9) yellow lettering - grid 'c' clip (cat:A65)
1 12AB5 $1.00 unknown 95% 5500 / 4100Gm used (rb) (M9) grid 'c' clip (cat:A65)
1 12AB5 $1.00 unknown 95% 4000 / 4100Gm used (L) (M9) (cat:A65)
1 12AB5 $1.00 unknown 95% 4250 / 4100Gm used (L) (M9) grid 'c' clip (cat:A65)
1 12AB5 $0.50 GE 110% 4500 / 4100Gm used leaky (1M) (L) (M9) white lettering (cat:A65)
1 12AB5 $0.50 unknown 100% 4500 / 4100Gm used leaky (4M) (L) (M9) grid 'c' clip (cat:A65)
1 12AB5 $0.50 unknown 90% 4250 / 4100Gm used leaky (2M) (L) (M9) (cat:A65)
1 12AB5 $0.50 unknown 110% 4750 / 4100Gm used leaky (1M) (L) (M9) (cat:A65)
1 12AB5 $0.50 unknown 110% 4750 / 4100Gm used leaky (500K) (L) (M9) (cat:A65)
1 12ED5 $3.00 RCA 120% 7500 / 5500Gm NOS (OB) red lettering
1 12ED5 $3.00 RCA 110% 7500 / 5500Gm NOS (OB) red lettering
1 12ED5 $3.00 RCA 130% 7000 / 5500Gm NOS (OB) red lettering
1 12ED5 $3.00 RCA 130% 9000 / 5500Gm NOS (OB) red lettering
1 12ED5 $3.00 RCA 110% 8500 / 5500Gm NOS (OB) red lettering
1 12ED5 $3.00 RCA 110% 7000 / 5500Gm NOS (OB) red lettering
1 12ED5 $3.00 RCA 110% 8000 / 5500Gm NOS (OB) red lettering
1 12ED5 $3.00 GE 120% 8000 / 5500Gm NOS (OB) white lettering
1 12ED5 $3.00 GE 120% 7000 / 5500Gm NOS (OB) white lettering
1 12ED5 $3.00 GE 110% 8000 / 5500Gm NOS (OB) white lettering
1 12ED5 $3.00 Sylvania 115% 7500 / 5500Gm NOS (OB) yellow lettering
1 12ED5 $3.00 Raytheon 110% 7000 / 5500Gm NOS (OB) red lettering
1 12ED5 $1.00 unknown 110% 7500 / 5500Gm used (rb) ---
1 12FX5 $3.00 RCA 110% 7000 / 5500Gm NOS (OB) red lettering - top getter
1 12FX5 $3.00 RCA 120% 7000 / 5500Gm NOS (OB) red lettering - top getter
1 12FX5 $3.00 RCA 120% 7500 / 5500Gm NOS (OB) red lettering - top getter
1 12FX5 $3.00 RCA 120% 7000 / 5500Gm NOS (OB) red lettering - top getter
1 12FX5 $3.00 RCA 115% 6500 / 5500Gm NOS (OB) red lettering - top getter
1 12FX5 $3.00 RCA 110% 7000 / 5500Gm NOS (OB) red lettering - top getter
1 12FX5 $3.00 RCA 110% 6750 / 5500Gm NOS (OB) red lettering - top getter
1 12FX5 $3.00 RCA 115% 7000 / 5500Gm NOS (OB) red lettering - top getter
1 12FX5 $3.00 RCA 110% 7000 / 5500Gm NOS (OB) red lettering - top getter
1 12FX5 $3.00 GE 120% 6750 / 5500Gm NOS (OB) white lettering - top getter
1 12FX5 $3.00 GE 120% 7000 / 5500Gm NOS (OB) white lettering - top getter
1 12FX5 $3.00 Sylvania 120% 8000 / 5500Gm NOS (OB) yellow lettering - top getter
1 12FX5 $3.00 Sylvania 130% 8250 / 5500Gm NOS (OB) yellow lettering - top getter
1 12FX5 $3.00 Westinghouse 140% 9000 / 5500Gm NOS (OB) top getter
1 12FX5 $3.00 International C 130% 8000 / 5500Gm NOS (OB) grid clip - top getter - canada
1 12FX5 $1.00 RCA 130% 7250 / 5500Gm used (rb) red lettering - top getter
1 12FX5 $1.00 Olympic 110% 6000 / 5500Gm used (wb) top getter
1 12FX5 $1.00 Sylvania 140% 8500 / 5500Gm used (ob) yellow lettering - top getter
1 12FX5 $1.00 GE 140% 9000 / 5500Gm used (rb) white lettering - top getter
1 12FX5 $1.00 RCA 110% 7000 / 5500Gm used (wb) silver lettering - top getter
1 12FX5 $1.00 Raytheon 140% 8000 / 5500Gm used (wb) grid clip - top getter
1 12FX5 $1.00 RCA 105% 6000 / 5500Gm used (L) red lettering - top getter
1 12FX5 $1.00 RCA 110% 7000 / 5500Gm used (L) red lettering - top getter
1 12FX5 $1.00 RCA 110% 6750 / 5500Gm used (L) red lettering - top getter
1 12FX5 $1.00 RCA 110% 6750 / 5500Gm used (L) silver lettering - top getter
1 12FX5 $1.00 GE 110% 6500 / 5500Gm used (L) white lettering - top getter
1 12FX5 $1.00 GE 140% 7500 / 5500Gm used (L) white lettering - top getter
1 12FX5 $1.00 Sylvania 115% 7000 / 5500Gm used (L) yellow lettering - top getter
1 12FX5 $1.00 Zenith 90% 4500 / 5500Gm used (L) grid clip - top getter - japan
1 12FX5 $1.00 unknown 120% 7000 / 5500Gm used (L) grid clip - top getter
1 12FX5 $1.00 unknown 140% 8000 / 5500Gm used (L) grid clip - top getter
1 12FX5 $1.00 unknown 140% 7750 / 5500Gm used (L) grid clip - top getter
1 12FX5 $0.50 unknown 120% 5500 / 5500Gm used (L) top getter
1 12FX5 $0.50 unknown 140% 7500 / 5500Gm used leaky (1M) (L) grid clip - top getter
1 19FX5 $3.00 RCA 120% 8000 / 5500Gm NOS (OB) red lettering - top getter
1 19FX5 $3.00 RCA 120% 75750 / 5500Gm NOS (OB) red lettering - top getter
1 19FX5 $3.00 RCA 130% 8000 / 5500Gm NOS (OB) red lettering - top getter
1 19FX5 $3.00 RCA 130% 8000 / 5500Gm NOS (OB) red lettering - top getter
1 19FX5 $3.00 RCA 130% 8000 / 5500Gm NOS (OB) red lettering - top getter
1 60FX5 $3.00 RCA 120% 7500 / 5500Gm NOS (OB) red lettering - top getter
1 60FX5 $3.00 RCA 120% 6250 / 5500Gm NOS (OB) red lettering - top getter
1 60FX5 $3.00 RCA 130% 8000 / 5500Gm NOS (OB) red lettering - top getter
1 60FX5 $3.00 RCA 120% 7750 / 5500Gm NOS (OB) red lettering - top getter
1 60FX5 $3.00 RCA 120% 6500 / 5500Gm NOS (OB) red lettering - top getter
1 60FX5 $3.00 RCA 120% 7500 / 5500Gm NOS (OB) red lettering - top getter
1 60FX5 $3.00 RCA 125% 7500 / 5500Gm NOS (OB) red lettering - top getter
1 60FX5 $3.00 RCA 130% 7500 / 5500Gm NOS (OB) red lettering - top getter
1 60FX5 $3.00 RCA 110% 6500 / 5500Gm NOS (OB) red lettering - top getter
1 60FX5 $3.00 RCA 110% 6750 / 5500Gm NOS (OB) red lettering - top getter
1 60FX5 $3.00 GE 120% 7250 / 5500Gm NOS (OB) red lettering - top getter
1 60FX5 $3.00 GE 120% 7250 / 5500Gm NOS (OB) white lettering - grid clip - top getter - Gt Britian
1 60FX5 $3.00 Sylvania 120% 6750 / 5500Gm NOS (OB) yellow lettering - side getter
1 60FX5 $3.00 Sylvania 110% 7500 / 5500Gm NOS (OB) yellow lettering - side getter
1 60FX5 $3.00 Sylvania 120% 7000 / 5500Gm NOS (OB) yellow lettering - top getter
1 60FX5 $3.00 Zenith 140% 7250 / 5500Gm NOS (OB) grid clip - top getter
1 60FX5 $3.00 Tung-Sol 125% 7000 / 5500Gm NOS (OB) top getter
1 60FX5 $3.00 Tung-Sol 120% 7000 / 5500Gm NOS (OB) top getter
1 60FX5 $1.00 RCA 120% 8000 / 5500Gm used (rb) red lettering - top getter
1 60FX5 $1.00 RCA 100% 6750 / 5500Gm used (rb) red lettering - top getter
1 60FX5 $1.00 Sylvania 140% 7000 / 5500Gm used (rb) yellow lettering - grid clip - top getter
1 60FX5 $1.00 Westinghouse 120% 7500 / 5500Gm used (rb) grid clip - top getter - Japan
1 60FX5 $1.00 Westinghouse 120% 7000 / 5500Gm used (rb) grid clip - top getter - Japan
1 60FX5 $1.00 Webcor 110% 6750 / 5500Gm used (L) top getter
1 60FX5 $1.00 Webcor 110% 7000 / 5500Gm used (L) top getter
1 60FX5 $1.00 unknown 120% 7000 / 5500Gm used (L) top getter
1 60FX5 $1.00 unknown 130% 8000 / 5500Gm used (L) top getter
1 60FX5 $1.00 unknown 130% 7500 / 5500Gm used (L) top getter
1 60FX5 $0.50 Sylvania 90% 5000 / 5500Gm used (rb) yellow lettering - top getter
1 6GZ5 $5.00 RCA 120% 5500 / 4000Gm NOS (OB) red lettering
1 6GZ5 $5.00 RCA 125% 6000 / 4000Gm NOS (OB) red lettering
1 6GZ5 $5.00 RCA 125% 5500 / 4000Gm NOS (OB) red lettering
1 6GZ5 $5.00 RCA 120% 5500 / 4000Gm NOS (OB) red lettering
1 6GZ5 $5.00 RCA 125% 5500 / 4000Gm NOS (OB) red lettering
1 6GZ5 $5.00 RCA 110% 5000 / 4000Gm NOS (OB) red lettering
1 6GZ5 $5.00 RCA 115% 5000 / 4000Gm NOS (OB) red lettering
1 6GZ5 $5.00 RCA 130% 6000 / 4000Gm NOS (OB) red lettering
1 6GZ5 $5.00 RCA 115% 5000 / 4000Gm NOS (OB) red lettering
1 6GZ5 $5.00 RCA 130% 6000 / 4000Gm NOS (OB) red lettering
1 6HR5 $3.00 RCA 120% 4600 / 3600Gm NOS (OB) red lettering
1 6HR5 $3.00 RCA 120% 4900 / 3600Gm NOS (OB) red lettering - missing box top
1 6HR5 $3.00 RCA 120% 4900 / 3600Gm NOS (OB) red lettering
1 6HR5 $3.00 RCA 120% 4800 / 3600Gm NOS (wb) red lettering
1 6HR5 $3.00 Sylvania 140% 5500 / 3600Gm NOS (OB) yellow lettering
1 6HR5 $3.00 Sylvania 140% 5000 / 3600Gm NOS (OB) yellow lettering
1 6HR5 $3.00 Sylvania 140% 5000 / 3600Gm NOS (OB) yellow lettering
1 12R5 $3.00 RCA 120% 10000 / 7000Gm NOS (OB) red lettering
1 12R5 $3.00 RCA 115% 10000 / 7000Gm NOS (OB) red lettering
1 12R5 $3.00 RCA 115% 10000 / 7000Gm NOS (OB) red lettering
1 12R5 $3.00 RCA 110% 9500 / 7000Gm NOS (OB) red lettering
1 12R5 $3.00 RCA 110% 9000 / 7000Gm NOS (OB) red lettering
1 12R5 $3.00 GE 110% 9000 / 7000Gm NOS (OB) white lettering
1 12R5 $3.00 GE 110% 9500 / 7000Gm NOS (OB) white lettering
1 12R5 $3.00 GE 120% 9500 / 7000Gm NOS (OB) white lettering
1 12R5 $3.00 GE 120% 9500 / 7000Gm NOS (OB) white lettering
1 12R5 $3.00 GE 110% 10000 / 7000Gm NOS (OB) white lettering
1 12R5 $3.00 GE 115% 10000 / 7000Gm NOS (OB) white lettering
1 12R5 $3.00 Sylvania 110% 10000 / 7000Gm NOS (OB) yellow lettering
1 12R5 $3.00 Sylvania 110% 9500 / 7000Gm NOS (OB) yellow lettering
1 12R5 $3.00 Sylvania 110% 9500 / 7000Gm NOS (OB) yellow lettering
1 12R5 $3.00 Sylvania 120% 10000 / 7000Gm NOS (OB) yellow lettering
1 12R5 $3.00 Sylvania 125% 10000 / 7000Gm NOS (OB) yellow lettering
1 12R5 $3.00 Sylvania 130% 10000 / 7000Gm NOS (OB) yellow lettering
1 12R5 $3.00 Raytheon 120% 9500 / 7000Gm NOS (OB) ---
1 12R5 $3.00 Raytheon 110% 8500 / 7000Gm NOS (OB) ---
1 12R5 $3.00 Zenith 110% 9500 / 7000Gm NOS (OB) ---
1 12R5 $3.00 Philco 120% 9500 / 7000Gm NOS (OB) ---
1 12R5 $3.00 Tung-Sol 110% 10000 / 7000Gm NOS (OB) torn box flap
1 12R5 $1.00 Raytheon 100% 9500 / 7000Gm used (rb) ---
1 12R5 $1.00 GE 100% 9500 / 7000Gm used (rb) white lettering
1 12R5 $1.00 GE 100% 9500 / 7000Gm used (rb) white lettering
1 12R5 $1.00 CBS 120% 8500 / 7000Gm used (rb) ---
1 12R5 $1.00 CBS 120% 8500 / 7000Gm used (L) ---
1 12R5 $1.00 GE 120% 9500 / 7000Gm used (rb) ---
1 12R5 $0.50 Sylvania 90% 6500 / 7000Gm used (rb) yellow lettering
1 12R5 $0.50 RCA 90% 8000 / 7000Gm used (rb) red lettering
1 12R5 $0.50 GE 95% 9500 / 7000Gm used (L) ---
1 25F5 $3.00 GM / Delco 115% 5000 / 4000Gm NOS (OB) ---
1 25F5 $3.00 Rauland 120% 5000 / 4000Gm NOS (OB) ---
1 25F5 $3.00 Philco 130% 5400 / 4000Gm NOS (OB) ---
1 25F5A $3.00 Sylvania 130% 5200 / 4000Gm NOS (OB) yellow lettering
1 25F5A $3.00 RCA 120% 5000 / 4000Gm NOS (OB) red lettering
1 25F5A $3.00 RCA 125% 5400 / 4000Gm NOS (OB) red lettering
1 25F5A $3.00 Admiral 110% 4800 / 4000Gm NOS (OB) ---
1 30A5 $5.00 Futaba 140% 100dmc used (wb) ---
1 32ET5A $3.00 RCA 120% 7000 / 5500Gm NOS (OB) red lettering
1 32ET5A $3.00 RCA 120% 7000 / 5500Gm NOS (OB) red lettering
1 32ET5A $3.00 RCA 120% 7000 / 5500Gm NOS (OB) red lettering
1 32ET5A $3.00 RCA 120% 7000 / 5500Gm NOS (OB) red lettering
1 32ET5A $3.00 RCA 120% 7500 / 5500Gm NOS (OB) red lettering
1 32ET5A $3.00 RCA 120% 6500 / 5500Gm NOS (OB) red lettering
1 32ET5A $3.00 RCA 120% 6500 / 5500Gm NOS (OB) red lettering
1 32ET5A $3.00 RCA 130% 7500 / 5500Gm NOS (OB) red lettering
1 32ET5A $3.00 RCA 130% 7500 / 5500Gm NOS (OB) red lettering
1 32ET5A $3.00 RCA 130% 7000 / 5500Gm NOS (OB) red lettering
1 32ET5A $3.00 GE 125% 7000 / 5500Gm NOS (OB) white lettering
1 32ET5A $3.00 GE 125% 6500 / 5500Gm NOS (OB) white lettering
1 32ET5A $3.00 GE 135% 7000 / 5500Gm NOS (OB) white lettering
1 32ET5A $3.00 GE 135% 6500 / 5500Gm NOS (OB) white lettering
1 32ET5A $3.00 GE 130% 6500 / 5500Gm NOS (OB) white lettering
1 32ET5A $3.00 Sylvania 120% 7000 / 5500Gm NOS (OB) yellow lettering
1 32ET5A $3.00 Sylvania 120% 6500 / 5500Gm NOS (OB) yellow lettering
1 32ET5A $3.00 Sylvania 140% 7500 / 5500Gm NOS (OB) yellow lettering
1 32ET5A $3.00 Sylvania 140% 7500 / 5500Gm NOS (OB) yellow lettering
1 32ET5A $3.00 Sylvania 130% 7000 / 5500Gm NOS (OB) yellow lettering
1 32ET5A $3.00 Zenith 120% 7500 / 5500Gm NOS (OB) ---
1 32ET5A $3.00 Zenith 120% 7500 / 5500Gm NOS (OB) ---
1 32ET5A $1.00 Admiral 110% 6500 / 5500Gm used (rb) ---
1 32ET5A $1.00 Sylvania 130% 7750 / 5500Gm used (L) yellow lettering
1 32ET5A $1.00 Sylvania 120% 8000 / 5500Gm used (L) green lettering
1 32ET5A $0.50 Sylvania 120% 7000 / 5500Gm used leaky (2M) (rb) yellow lettering
1 32ET5A $0.50 Sylvania 120% 6500 / 5500Gm used leaky (1M) (rb) yellow lettering
1 32ET5A $0.50 RCA 120% 7500 / 5500Gm used leaky (2M) (rb) red lettering
1 32ET5A $0.50 RCA 100% 6000 / 5500Gm used leaky (3M) (rb) red lettering
1 32ET5 $0.50 RCA 110% 6500 / 5500Gm used leaky (1M) (rb) red lettering
1 32ET5 $0.50 GM / Delco 110% 6500 / 5500Gm used leaky (1M) (rb) ---
1 34DG5 $3.00 GE 120% 8000 / 5500Gm NOS (OB) red lettering
1 34DG5 $3.00 GE 120% 7000 / 5500Gm NOS (OB) white lettering
1 34DG5 $3.00 Admiral 130% 8000 / 5500Gm NOS (OB) ---
1 34DG5 $3.00 Raytheon 120% 7500 / 5500Gm NOS (OB) ---
1 34DG5A $3.00 RCA 120% 6500 / 5500Gm NOS (OB) red lettering
1 34DG5A $3.00 RCA 125% 7500 / 5500Gm NOS (OB) red lettering
1 34DG5A $3.00 RCA 115% 6500 / 5500Gm NOS (OB) red lettering
1 34DG5A $3.00 Sylvania 120% 7000 / 5500Gm NOS (OB) yellow lettering
1 34DG5A $3.00 Sylvania 125% 7000 / 5500Gm NOS (OB) yellow lettering
1 34DG5A $3.00 Zenith 120% 6500 / 5500Gm NOS (OB) ---
1 34DG5A $3.00 Raytheon 120% 6500 / 5500Gm NOS (OB) ---
1 34DG5A $1.00 RCA 110% 6250 / 5500Gm used (OB) red lettering
1 34DG5A $1.00 Silvertone 120% 7500 / 5500Gm used (L) ---
1 34DG5A $1.00 unknown 120% 8000 / 5500Gm used (L) ---
1 50FK5 $3.00 RCA 130% 7500 / 5500Gm NOS (OB) red lettering
1 50FK5 $3.00 RCA 135% 7500 / 5500Gm NOS (OB) red lettering
1 50FK5 $3.00 RCA 130% 7000 / 5500Gm NOS (OB) red lettering

Notes:
(OB) = original box, (rb) = relabeled/replacement box, (wb) = white box, (L) = loose (no box), (pl) = paper label on tube (original or third party)
(H) = tested on Hickok 539A
(ST)=ST Style, (GT)=GT Style, (TT)=Tall Tubular, (M7)=7pin miniature, M9=9pin miniature, (SM)=subminiature, JAN = Military
Emission Strength = Percentage of emission measured on Eico 666 tube tester
(Emission Strength = 100% baseline reference, >80%:good, >60%:fair >40%=diode good).
Gm = Mutual conductance measured on Hickok 533 tube tester; Except (H)=tested on Hickok 539A
(Gm = measured/baseline, measured1:measured2/baseline, measured1:measured2/baseline1:baseline2).


How To Order:

Purchasing our audio tubes is easy.
Just send us an email indicating the tubes (including quantities) you want.
We will let you know the total price including shipping and handling.

Shipping and Handling Information

Contact MDB Ventures
sales@mdbventures.com
or
sales@fourwater.com

Due to the highly volatile nature of the tube business, all Prices are subject to change without notice.


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sales@mdbventures.com
or
sales@fourwater.com