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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 6DX8 / ECL84 $5.00 Amperex 130% / 120% 11000 / 4800: 4000 / 2800Gm NOS (OB) (M9) gt britain - world logo
1 6DX8 / ECL84 $3.00 RCA 110% / 140% 8000 / 7500: 4800 / 2800Gm NOS (OB) (M9) red lettering - canada
1 6DX8 / ECL84 $3.00 RCA 110% / 140% 8000 / 7500: 4600 / 2800Gm NOS (OB) (M9) red lettering - canada
1 6DX8 / ECL84 $3.00 RCA 110% / 130% 10000 / 7500: 4100 / 2800Gm NOS (OB) (M9) red lettering - canada
1 6DX8 / ECL84 $3.00 RCA 110% / 130% 8500 / 7500: 4400 / 2800Gm NOS (OB) (M9) red lettering - canada
1 6DX8 / ECL84 $3.00 RCA 110% / 120% 9000 / 7500: 3200 / 2800Gm NOS (OB) (M9) red lettering - usa
1 6DX8 / ECL84 $3.00 RCA 120% / 110% 8000 / 7500: 3100 / 2800Gm NOS (OB) (M9) red lettering - usa
1 6DX8 / ECL84 $3.00 RCA 120% / 120% 9000 / 7500: 3200 / 2800Gm NOS (OB) (M9) red lettering - usa
1 6DX8 / ECL84 $3.00 RCA 125% / 110% 9000 / 7500: 3400 / 2800Gm NOS (OB) (M9) red lettering - usa
1 6DX8 / ECL84 $3.00 RCA 120% / 110% 9500 / 7500: 3200 / 2800Gm NOS (OB) (M9) red lettering - usa
1 6DX8 / ECL84 $3.00 RCA 135% / 110% 10000 / 7500: 3000 / 2800Gm NOS (OB) (M9) red lettering - usa
1 6DX8 / ECL84 $3.00 RCA 130% / 110% 10000 / 7500: 3100 / 2800Gm NOS (OB) (M9) red lettering - usa
1 6DX8 / ECL84 $3.00 RCA 130% / 120% 9500 / 7500: 3200 / 2800Gm NOS (OB) (M9) red lettering - usa
1 6DX8 / ECL84 $3.00 RCA 110% / 120% 9500 / 7500: 3100 / 2800Gm NOS (OB) (M9) red lettering - usa
1 6DX8 / ECL84 $3.00 RCA 120% / 110% 9000 / 7500: 3100 / 2800Gm NOS (OB) (M9) red lettering - usa
1 6DX8 / ECL84 $3.00 RCA 120% / 110% 11000 / 7500: 3100 / 2800Gm NOS (OB) (M9) red lettering - usa
1 6DX8 / ECL84 $3.00 RCA 120% / 140% 9000 / 7500: 3200 / 2800Gm NOS (OB) (M9) red lettering - gt britain
1 6DX8 / ECL84 $3.00 RCA 120% / 120% 9500 / 7500: 3800 / 2800Gm NOS (OB) (M9) red lettering - gt britain
1 6DX8 / ECL84 $3.00 RCA 125% / 140% 9000 / 7500: 5600 / 2800Gm NOS (OB) (M9) red lettering - gt britain
1 6DX8 / ECL84 $3.00 RCA 125% / 130% 9000 / 7500: 4000 / 2800Gm NOS (OB) (M9) red lettering - gt britain
1 6DX8 / ECL84 $3.00 RCA 130% / 140% 9000 / 7500: 4400 / 2800Gm NOS (OB) (M9) red lettering - gt britain
1 6DX8 / ECL84 $3.00 RCA 130% / 140% 9500 / 7500: 4800 / 2800Gm NOS (OB) (M9) red lettering - gt britain
1 6DX8 / ECL84 $3.00 RCA 130% / 140% 9000 / 7500: 4400 / 2800Gm NOS (OB) (M9) red lettering - gt britain
1 6DX8 / ECL84 $3.00 RCA 135% / 140% 10500 / 7500: 4900 / 2800Gm NOS (OB) (M9) red lettering - gt britain
1 6DX8 / ECL84 $3.00 RCA 130% / 140% 9500 / 7500: 4700 / 2800Gm NOS (OB) (M9) red lettering - gt britain
1 6DX8 / ECL84 $3.00 RCA 130% / 130% 10000 / 7500: 4100 / 2800Gm NOS (OB) (M9) red lettering - gt britain
1 6DX8 / ECL84 $3.00 RCA 110% / 110% 8000 / 7500: 3500 / 2800Gm NOS (OB) (M9) red lettering - gt britain
1 6DX8 / ECL84 $3.00 RCA 120% / 140% 9000 / 7500: 4400 / 2800Gm NOS (OB) (M9) red lettering - gt britain - worn box
1 6DX8 / ECL84 $3.00 RCA 110% / 120%8000 / 7500: 4000 / 2800Gm NOS (OB) (M9) red lettering - holland
1 6DX8 / ECL84 $3.00 RCA 130% / 140% 10000 / 7500: 4500 / 2800Gm NOS (OB) (M9) red lettering - gt britain
1 6DX8 / ECL84 $3.00 GE 120% / 140% 9000 / 7500: 4800 / 2800Gm NOS (OB) (M9) white lettering - gt britain
1 6DX8 / ECL84 $3.00 GE 110% / 140% 9000 / 7500: 4800 / 2800Gm NOS (OB) (M9) white lettering - gt britain
1 6DX8 / ECL84 $3.00 GE 110% / 130% 8500 / 7500: 4200 / 2800Gm NOS (OB) (M9) white lettering - gt britain
1 6DX8 / ECL84 $3.00 GE 125% / 140% 10000 / 7500: 5000 / 2800Gm NOS (OB) (M9) white lettering - gt britain
1 6DX8 / ECL84 $3.00 GE 115% / 140% 8500 / 7500: 5000 / 2800Gm NOS (OB) (M9) white lettering - gt britain
1 6DX8 / ECL84 $3.00 GE 125% / 140% 9500 / 7500: 4400 / 2800Gm NOS (OB) (M9) white lettering - gt britain
1 6DX8 / ECL84 $3.00 GE 115% / 140% 9000 / 7500: 4800 / 2800Gm NOS (OB) (M9) white lettering - gt britain
1 6DX8 / ECL84 $3.00 GE 110% / 140% 9000 / 7500: 4800 / 2800Gm NOS (OB) (M9) white lettering - gt britain - worn box
1 6DX8 / ECL84 $3.00 GE 110% / 120% 8000 / 7500: 4000 / 2800Gm NOS (OB) (M9) white lettering - gt britain - worn box
1 6DX8 / ECL84 $3.00 GE 120% / 140% 9000 / 7500: 4700 / 2800Gm NOS (OB) (M9) white lettering - gt britain - worn box
1 6DX8 / ECL84 $3.00 GE 120% / 140% 9500 / 7500: 4700 / 2800Gm NOS (OB) (M9) white lettering - japan
1 6DX8 / ECL84 $3.00 Sylvania 110% / 110% 9000 / 7500: 3100 / 2800Gm NOS (OB) (M9) yellow lettering - usa
1 6DX8 / ECL84 $3.00 Sylvania 120% / 110% 9000 / 7500: 3000 / 2800Gm NOS (OB) (M9) yellow lettering - usa
1 6DX8 / ECL84 $3.00 Sylvania 120% / 110% 11000 / 7500: 3000 / 2800Gm NOS (OB) (M9) yellow lettering - usa
1 6DX8 / ECL84 $3.00 Sylvania 120% / 110% 9000 / 7500: 3200 / 2800Gm NOS (OB) (M9) yellow lettering - usa - torn box flap
1 6DX8 / ECL84 $3.00 Sylvania 120% / 110% 10500 / 7500: 3000 / 2800Gm NOS (OB) (M9) yellow lettering - usa
1 6DX8 / ECL84 $3.00 Sylvania 120% / 120% 10750 / 7500: 3100 / 2800Gm NOS (OB) (M9) yellow lettering - usa
1 6DX8 / ECL84 $3.00 Sylvania 110% / 120% 9000 / 7500: 3100 / 2800Gm NOS (OB) (M9) yellow lettering - usa
1 6DX8 / ECL84 $3.00 Sylvania 110% / 120% 8500 / 7500: 3100 / 2800Gm NOS (OB) (M9) yellow lettering - usa
1 6DX8 / ECL84 $3.00 Sylvania 115% / 120% 8500 / 7500: 3100 / 2800Gm NOS (OB) (M9) yellow lettering - usa
1 6DX8 / ECL84 $3.00 Sylvania 130% / 110% 10000 / 7500: 3000 / 2800Gm NOS (OB) (M9) yellow lettering - usa
1 6DX8 / ECL84 $3.00 Sylvania 130% / 110% 10000 / 7500: 3200 / 2800Gm NOS (OB) (M9) yellow lettering - usa
1 6DX8 / ECL84 $3.00 Sylvania 110% / 140% 9500 / 7500: 4800 / 2800Gm NOS (OB) (M9) yellow lettering - holland
1 6DX8 / ECL84 $3.00 Sylvania 110% / 120% 9000 / 7500: 3500 / 2800Gm NOS (OB) (M9) red lettering - usa
1 6DX8 / ECL84 $3.00 Sylvania 140% / 130% 10500 / 7500: 3200 / 2800Gm NOS (OB) (M9) red lettering - usa
1 6DX8 / ECL84 $3.00 Sylvania 130% / 120% 10000 / 7500: 3200 / 2800Gm NOS (OB) (M9) red lettering - usa
1 6DX8 / ECL84 $3.00 Sylvania 130% / 130% 9500 / 7500: 3600 / 2800Gm NOS (OB) (M9) red lettering - usa
1 6DX8 / ECL84 $3.00 Sylvania 130% / 130% 10000 / 7500: 3400 / 2800Gm NOS (OB) (M9) red lettering - usa
1 6DX8 / ECL84 $3.00 Sylvania 140% / 110% 10000 / 7500: 3400 / 2800Gm NOS (OB) (M9) red lettering - usa
1 6DX8 / ECL84 $3.00 Sylvania 130% / 120% 10000 / 7500: 3400 / 2800Gm NOS (OB) (M9) red lettering - usa - worn box
1 6DX8 / ECL84 $3.00 Zenith 120% / 140% 9500 / 7500: 4400 / 2800Gm NOS (OB) (M9) gt britain
1 6DX8 / ECL84 $3.00 Zenith 125% / 140% 10500 / 7500: 4800 / 2800Gm NOS (OB) (M9) gt britain
1 6DX8 / ECL84 $3.00 Raytheon 115% / 140% 8500 / 7500: 5000 / 2800Gm NOS (OB) (M9) japan
1 6DX8 / ECL84 $3.00 Magnavox 120% / 130% 9000 / 7500: 4200 / 2800Gm NOS (OB) (M9) japan
1 6DX8 / ECL84 $3.00 Magnavox 125% / 135% 10000 / 7500: 4200 / 2800Gm NOS (OB) (M9) japan
1 6DX8 / ECL84 $3.00 Magnavox 115% / 130% 11000 / 7500: 4400 / 2800Gm NOS (OB) (M9) japan
1 6DX8 / ECL84 $3.00 Triad 130% / 140% 10000 / 7500: 75004800 / 2800Gm NOS (OB) (M9) japan
1 6DX8 / ECL84 $3.00 Triad 130% / 140% 10500 / 7500: 5200 / 2800Gm NOS (OB) (M9) japan
1 6DX8 / ECL84 $3.00 Triad 130% / 140% 10000 / 7500: 4800 / 2800Gm NOS (OB) (M9) japan
1 6DX8 / ECL84 $3.00 Triad 120% / 140% 10250 / 7500: 4400 / 2800Gm NOS (OB) (M9) japan
1 6DX8 / ECL84 $3.00 Triad 120% / 140% 10500 / 7500: 4800 / 2800Gm NOS (OB) (M9) japan
1 6DX8 / ECL84 $3.00 Triad 120% / 140% 11500 / 7500: 4900 / 2800Gm NOS (OB) (M9) japan
1 6DX8 / ECL84 $3.00 Triad 125% / 140% 11000 / 7500: 5000 / 2800Gm NOS (OB) (M9) japan
1 6DX8 / ECL84 $3.00 Triad 140% / 120% 9000 / 7500: 4200 / 2800Gm NOS (OB) (M9) england
1 6DX8 / ECL84 $1.00 RCA 110% / 140% 7500 / 7500: 4300 / 2800Gm used (rb) (M9) red lettering - gt britain
1 6DX8 / ECL84 $1.00 GE 120% / 130% 9500 / 7500: 4500 / 2800Gm used (rb) (M9) white lettering
1 6DX8 / ECL84 $1.00 GE 100% / 130% 7000 / 7500: 3800 / 2800Gm used (rb) (M9) white lettering - gt britain
1 6DX8 / ECL84 $1.00 Sylvania 120% / 105% 10000 / 7500: 2900 / 2800Gm used (rb) (M9) yellow lettering - usa
1 6DX8 / ECL84 $1.00 Sylvania 100% / 140% 8500 / 7500: 3100 / 2800Gm used (rb) (M9) yellow lettering - usa
1 6DX8 / ECL84 $1.00 Sylvania 120% / 100% 10500 / 7500: 2800 / 2800Gm used (rb) (M9) yellow lettering - usa
1 6DX8 / ECL84 $1.00 Zenith 125% / 140% 9500 / 7500: 5500 / 2800Gm used (rb) (M9) ---
1 6DX8 / ECL84 $1.00 Zenith 100% / 130% 7000 / 7500: 4600 / 2800Gm used (rb) (M9) gt britain
1 6DX8 / ECL84 $1.00 Magnavox 120% / 140% 9000 / 7500: 4800 / 2800Gm used (rb) (M9) japan
1 6DX8 / ECL84 $1.00 Motorola 100% / 140% 9000 / 7500: 4900 / 2800Gm used (rb) (M9) ---
1 6DX8 / ECL84 $1.00 GM / Delco 140% / 120% 7500 / 7500: 4600 / 2800Gm used (L) (M9) holland
1 6DX8 / ECL84 $1.00 Motorola 120% / 120% 8000 / 7500: 3200 / 2800Gm used (L) (M9) ---
1 6DX8 / ECL84 $1.00 unknown 130% / 120% 8000 / 7500: 3800 / 2800Gm used (L) (M9) ---
1 6DX8 / ECL84 $1.00 unknown 140% / 140% 8500 / 7500: 4800 / 2800Gm used (L) (M9) ---
1 6DX8 / ECL84 $1.00 unknown 130% / 110% 7500 / 7500: 3800 / 2800Gm used (L) (M9) ---
1 6DX8 / ECL84 $1.00 unknown 140% / 110% 7500 / 7500: 4500 / 2800Gm used (L) (M9) ---
1 6DX8 / ECL84 $1.00 unknown 130% / 110% 8000 / 7500: 3600 / 2800Gm used (L) (M9) ---
1 6DX8 / ECL84 $1.00 unknown 140% / 130% 9000 / 7500: 4000 / 2800Gm used (L) (M9) ---
1 6DX8 / ECL84 $1.00 unknown 110% / 115% 8000 / 7500: 3000 / 2800Gm used (L) (M9) ---
1 6DX8 / ECL84 $0.50 unknown 120% / 140% 8500 / 7500: 4500 / 2800Gm used (rb) (M9) ---
1 6DX8 / ECL84 $0.50 unknown 110% / 120% 9000 / 7500: 3800 / 2800Gm used (rb) (M9) ---
1 6DX8 / ECL84 $0.50 RCA 90% / 130% 7500 / 7500: 3400 / 2800Gm used (rb) (M9) red lettering - usa
1 6DX8 / ECL84 $0.50 RCA 120% / 90% 8000 / 7500: 2800 / 2800Gm used (rb) (M9) red lettering - usa
1 6DX8 $1.00 Sylvania 100% / 130% 8500 / 7500: 4200 / 2800Gm used (rb) (M9) yellow lettering - usa
1 10DX8 / LCL84 $3.00 RCA 120% / 130% 10000 / 7500: 4200 / 2800Gm NOS (OB) (M9) red lettering - holland
1 10DX8 / LCL84 $3.00 RCA 120% / 120% 8500 / 7500: 4000 / 2800Gm NOS (OB) (M9) red lettering - holland
1 10DX8 / LCL84 $3.00 RCA 130% / 130% 9000 / 7500: 4000 / 2800Gm NOS (OB) (M9) red lettering - gt Britain
1 10DX8 / LCL84 $3.00 RCA 120% / 120% 8500 / 7500: 4000 / 2800Gm NOS (OB) (M9) red lettering - gt Britain
1 10DX8 / LCL84 $3.00 RCA 140% / 110% 8500 / 7500: 4600 / 2800Gm NOS (OB) (M9) red lettering - gt Britain
1 10DX8 / LCL84 $3.00 Motorola 120% / 110% 8000 / 7500: 3600 / 2800Gm NOS (OB) (M9) gt Britain
1 10DX8 / LCL84 $3.00 Motorola 140% / 130% 8500 / 7500: 4400 / 2800Gm NOS (OB) (M9) holland
1 10DX8 / LCL84 $3.00 Sylvania 130% / 130% 10000 / 7500: 3500 / 2800Gm NOS (OB) (M9) yellow lettering
1 10DX8 / LCL84 $3.00 Sylvania 120% / 120% 9000 / 7500: 3100 / 2800Gm NOS (OB) (M9) yellow lettering
1 10DX8 / LCL84 $3.00 Sylvania 120% / 130% 9000 / 7500: 3200 / 2800Gm NOS (OB) (M9) yellow lettering
1 6JE8 $3.00 RCA 140% / 120% 6250 / 4500: 2100 / 1500Gm NOS (OB) (M9) red lettering
1 6JE8 $3.00 RCA 120% / 120% 5300 / 4500: 2400 / 1500Gm NOS (OB) (M9) red lettering
1 6JE8 $3.00 RCA 120% / 110% 5600 / 4500: 1900 / 1500Gm NOS (OB) (M9) red lettering
1 6JE8 $3.00 GE 110% / 110% 5000 / 4500: 2200 / 1500Gm NOS (OB) (M9) white lettering - missing box flap
1 6JE8 $3.00 GE 110% / 110% 5000 / 4500: 2000 / 1500Gm NOS (OB) (M9) white lettering
1 6JE8 $3.00 GE 110% / 110% 5500 / 4500: 2200 / 1500Gm NOS (OB) (M9) white lettering
1 6JE8 $3.00 GE 110% / 110% 5600 / 4500: 2200 / 1500Gm NOS (OB) (M9) white lettering
1 6JE8 $3.00 GE 110% / 110% 5600 / 4500: 1900 / 1500Gm NOS (OB) (M9) white lettering
1 6JE8 $3.00 GE 120% / 110% 5200 / 4500: 2100 / 1500Gm NOS (OB) (M9) white lettering
1 6JE8 $3.00 GE 120% / 110% 5400 / 4500: 2000 / 1500Gm NOS (OB) (M9) white lettering
1 6JE8 $3.00 GE 130% / 110% 6000 / 4500: 2200 / 1500Gm NOS (OB) (M9) white lettering - missing box flap
1 6JE8 $3.00 Sylvania 130% / 110% 5800 / 4500: 2100 / 1500Gm NOS (OB) (M9) yellow lettering
1 6JE8 $3.00 Sylvania 120% / 120% 5200 / 4500: 2200 / 1500Gm NOS (OB) (M9) yellow lettering
1 6JE8 $3.00 Philco 130% / 110% 5000 / 4500: 1800 / 1500Gm NOS (OB) (M9) ---
1 6JE8 $1.00 RCA 120% / 100% 5800 / 4500: 1900 / 1500Gm used (OB) (M9) red lettering
1 6JE8 $1.00 RCA 130% / 110% 5800 / 4500: 2100 / 1500Gm used (OB) (M9) red lettering
1 6LF8 $3.00 RCA 130% / 110% 4800 / 4000: 1600 / 1500Gm NOS (OB) (M9) red lettering
1 6LF8 $3.00 RCA 130% / 120% 4800 / 4000: 1700 / 1500Gm NOS (OB) (M9) red lettering
1 6LF8 $3.00 RCA 120% / 130% 4300 / 4000: 1900 / 1500Gm NOS (OB) (M9) red lettering - water damaged box
1 6LF8 $3.00 RCA 130% / 130% 4500 / 4000: 2100 / 1500Gm NOS (OB) (M9) red lettering
1 6LF8 $3.00 RCA 140% / 120% 5400 / 4000: 1700 / 1500Gm NOS (OB) (M9) red lettering
1 6LF8 $3.00 RCA 120% / 120% 4300 / 4000: 1800 / 1500Gm NOS (OB) (M9) red lettering
1 6LF8 $3.00 RCA 130% / 120% 4900 / 4000: 1800 / 1500Gm NOS (OB) (M9) red lettering
1 6LF8 $3.00 RCA 120% / 120% 4700 / 4000: 1800 / 1500Gm NOS (OB) (M9) red lettering
1 6LF8 $3.00 RCA 140% / 130% 4900 / 4000: 1900 / 1500Gm NOS (OB) (M9) black coat - red lettering
1 6LF8 $3.00 RCA 140% / 130% 5200 / 4000: 1900 / 1500Gm NOS (OB) (M9) red lettering
1 6LF8 $3.00 RCA 130% / 130% 4800 / 4000: 2000 / 1500Gm NOS (OB) (M9) red lettering
1 6LF8 $3.00 RCA 120% / 110% 4800 / 4000: 1600 / 1500Gm NOS (OB) (M9) red lettering
1 6LF8 $3.00 RCA 120% / 120% 4800 / 4000: 1700 / 1500Gm NOS (OB) (M9) red lettering
1 6LF8 $3.00 RCA 130% / 120% 4800 / 4000: 1700 / 1500Gm NOS (OB) (M9) red lettering
1 6LF8 $3.00 RCA 130% / 130% 4900 / 4000: 2100 / 1500Gm NOS (OB) (M9) red lettering
1 6LF8 $3.00 RCA 140% / 140% 5000 / 4000: 2300 / 1500Gm NOS (OB) (M9) red lettering
1 6LF8 $3.00 RCA 130% / 140% 4800 / 4000: 2100 / 1500Gm NOS (OB) (M9) red lettering - 1/2 black coat
1 6LF8 $3.00 RCA 130% / 140% 5000 / 4000: 2100 / 1500Gm NOS (OB) (M9) red lettering - black coat
1 6LF8 $3.00 RCA 130% / 130% 5000 / 4000: 1800 / 1500Gm NOS (OB) (M9) red lettering
1 6LF8 $3.00 RCA 110% / 130% 4500 / 4000: 3800 / 1500Gm NOS (OB) (M9) red lettering
1 6LF8 $3.00 RCA 110% / 110% 4600 / 4000: 1600 / 1500Gm NOS (OB) (M9) red lettering
1 6LF8 $3.00 RCA 110% / 110% 4800 / 4000: 1600 / 1500Gm NOS (OB) (M9) red lettering
1 6LF8 $3.00 RCA 110% / 130% 5000 / 4000: 1800 / 1500Gm NOS (OB) (M9) red lettering - damaged box
1 6LF8 $3.00 RCA 140% / 110% 4800 / 4000: 1600 / 1500Gm NOS (OB) (M9) red lettering
1 6LF8 $3.00 RCA 110% / 140% 4700 / 4000: 2100 / 1500Gm NOS (OB) (M9) red lettering
1 6LF8 $3.00 RCA 110% / 120% 4500 / 4000: 1800 / 1500Gm NOS (OB) (M9) red lettering
1 6LF8 $3.00 RCA 140% / 130% 6250 / 4000: 1700 / 1500Gm NOS (OB) (M9) red lettering
1 6LF8 $3.00 RCA 140% / 120% 5400 / 4000: 1700 / 1500Gm NOS (OB) (M9) red lettering - worn box
1 6LF8 $3.00 RCA 140% / 130% 5000 / 4000: 1800 / 1500Gm NOS (OB) (M9) white lettering
1 6LF8 $3.00 GE 120% / 120% 4900 / 4000: 1700 / 1500Gm NOS (OB) (M9) white lettering
1 6LF8 $3.00 GE 130% / 130% 5200 / 4000: 1800 / 1500Gm NOS (OB) (M9) white lettering
1 6LF8 $3.00 GE 130% / 130% 5000 / 4000: 1800 / 1500Gm NOS (OB) (M9) white lettering - 1/2 gray coat
1 6LF8 $3.00 GE 140% / 140% 5800 / 4000: 2000 / 1500Gm NOS (OB) (M9) white lettering - 1/2 gray coat
1 6LF8 $3.00 GE 140% / 140% 4600 / 4000: 2100 / 1500Gm NOS (OB) (M9) white lettering - 1/2 gray coat
1 6LF8 $3.00 GE 130% / 140% 5600 / 4000: 1900 / 1500Gm NOS (OB) (M9) white lettering
1 6LF8 $3.00 GE 140% / 140% 5200 / 4000: 2000 / 1500Gm NOS (OB) (M9) white lettering - 1/2 black coat
1 6LF8 $3.00 GE 140% / 140% 5000 / 4000: 2200 / 1500Gm NOS (OB) (M9) white lettering
1 6LF8 $3.00 GE 130% / 140% 4700 / 4000: 1900 / 1500Gm NOS (OB) (M9) white lettering - worn box
1 6LF8 $3.00 GE 120% / 140% 5000 / 4000: 2200 / 1500Gm NOS (OB) (M9) white lettering
1 6LF8 $3.00 Sylvania 120% / 120% 4700 / 4000: 1600 / 1500Gm NOS (OB) (M9) yellow lettering
1 6LF8 $3.00 Sylvania 120% / 110% 4500 / 4000: 1600 / 1500Gm NOS (OB) (M9) yellow lettering
1 6LF8 $3.00 Sylvania 130% / 110% 5200 / 4000: 1600 / 1500Gm NOS (OB) (M9) yellow lettering - silver oxide coat
1 6LF8 $3.00 Sylvania 130% / 120% 4700 / 4000: 1800 / 1500Gm NOS (OB) (M9) yellow lettering
1 6LF8 $3.00 Sylvania 140% / 130% 5800 / 4000: 1800 / 1500Gm NOS (OB) (M9) yellow lettering
1 6LF8 $3.00 Sylvania 120% / 110% 5300 / 4000: 1600 / 1500Gm NOS (OB) (M9) yellow lettering
1 6LF8 $3.00 Sylvania 140% / 130% 5800 / 4000: 1650 / 1500Gm NOS (OB) (M9) red lettering
1 6LF8 $3.00 Sylvania 130% / 110% 5700 / 4000: 1700 / 1500Gm NOS (OB) (M9) red lettering
1 6LF8 $3.00 Sylvania 140% / 110% 5700 / 4000: 1600 / 1500Gm NOS (OB) (M9) red lettering - silver oxide coat
1 6LF8 $3.00 Sylvania 130% / 130% 5700 / 4000: 1700 / 1500Gm NOS (OB) (M9) red lettering - silver oxide coat
1 6LF8 $3.00 Magnavox 130% / 130% 5400 / 4000: 1900 / 1500Gm NOS (OB) (M9) 1/2 gray coat
1 6LF8 $3.00 Magnavox 140% / 140% 5400 / 4000: 2000 / 1500Gm NOS (OB) (M9) 1/2 gray coat
1 6LF8 $3.00 Magnavox 140% / 130% 5000 / 4000: 2100 / 1500Gm NOS (OB) (M9) 1/2 gray coat
1 6LF8 $3.00 Magnavox 130% / 130% 5200 / 4000: 2100 / 1500Gm NOS (OB) (M9) 1/2 gray coat
1 6LF8 $3.00 Magnavox 130% / 130% 5000 / 4000: 1800 / 1500Gm NOS (OB) (M9) 1/2 gray coat
1 6LF8 $3.00 Magnavox 140% / 140% 5800 / 4000: 2000 / 1500Gm NOS (OB) (M9) 1/2 gray coat
1 6LF8 $3.00 Zenith 130% / 120% 5000 / 4000: 1800 / 1500Gm NOS (OB) (M9) ---
1 6LF8 $3.00 Zenith 130% / 140% 5200 / 4000: 1900 / 1500Gm NOS (OB) (M9) ---
1 6LF8 $3.00 Raytheon 140% / 120% 5600 / 4000: 1800 / 1500Gm NOS (OB) (M9) ---
1 6LF8 $3.00 Raytheon 140% / 140% 5900 / 4000: 2200 / 1500Gm NOS (OB) (M9) ---
1 6LF8 $3.00 Raytheon 130% / 140% 5000 / 4000: 2100 / 1500Gm NOS (OB) (M9) 1/2 gray coat
1 6LF8 $3.00 Lindal 120% / 130% 4600 / 4000: 1900 / 1500Gm NOS (OB) (M9) ---
1 6LF8 $3.00 Lindal 130% / 130% 5400 / 4000: 1800 / 1500Gm NOS (OB) (M9) 1/2 gray coat
1 6LF8 $3.00 Lindal 130% / 140% 5600 / 4000: 1800 / 1500Gm NOS (OB) (M9) 1/2 gray coat
1 6LF8 $3.00 Triad 120% / 110% 5800 / 4000: 1600 / 1500Gm NOS (OB) (M9) gray coat
1 6LF8 $3.00 Triad 130% / 140% 5800 / 4000: 1800 / 1500Gm NOS (OB) (M9) ---
1 6LF8 $3.00 Westinghouse 130% / 140% 4600 / 4000: 2800 / 1500Gm NOS (OB) (M9) ---
1 6LF8 $1.00 Sylvania 140% / 120% 6000 / 4000: 2800 / 1500Gm used (rb) (M9) red lettering
1 6LF8 $1.00 RCA 140% / 100% 5600 / 4000: 1400 / 1500Gm used (rb) (M9) red lettering
1 6LF8 $1.00 RCA 100% / 100% 4000 / 4000: 1600 / 1500Gm used (rb) (M9) red lettering
1 6LF8 $1.00 RCA 120% / 110% 4300 / 4000: 1600 / 1500Gm used (rb) (M9) red lettering
1 6LF8 $1.00 RCA 110% / 110% 3800 / 4000: 1700 / 1500Gm used (rb) (M9) red lettering
1 6LF8 $1.00 RCA 110% / 110% 3800 / 4000: 1700 / 1500Gm used (rb) (M9) red lettering
1 6LF8 $1.00 RCA 100% / 120% 4300 / 4000: 1800 / 1500Gm used (rb) (M9) red lettering
1 6LF8 $1.00 RCA 130% / 110% 5400 / 4000: 1500 / 1500Gm used (rb) (M9) red lettering
1 6LF8 $1.00 RCA 110% / 110% 4900 / 4000: 1400 / 1500Gm used (rb) (M9) red lettering
1 6LF8 $0.50 RCA 100% / 90% 3800 / 4000: 1400 / 1500Gm used (rb) (M9) red lettering
1 6LF8 $0.50 Sylvania 90% / 100% 3500 / 4000: 1500 / 1500Gm used (rb) (M9) yellow lettering - silver oxide coat
1 6LF8 $0.50 Sylvania 90% / 90% 3200 / 4000: 1400 / 1500Gm used (rb) (M9) yellow lettering
1 6LF8 $0.25 RCA 120% / 80% 4700 / 4000: 1000 / 1500Gm used (rb) (M9) 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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Contact MDB Ventures
sales@mdbventures.com
or
sales@fourwater.com