MDB Ventures Industrial, Ham Radio Transmitter and Power Tubes

Save on NOS and Used Industrial, Ham Radio Transmitter and Power Tubes!

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Type: 6EA8 , EF85 , 6BY7 , EF92 , 6CQ6


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, Nuvistor, subminiature, metal, power, transmitter tubes and many more.

MDB Ventures Industrial, Ham Radio Transmitter and Power Tubes
Quantity
Available
Tube
Type
Price
Each
Tube
Brand
Emission
Strength
Mutual
Conductance

Description

Notes
1 6EA8 $9.00 Amperex 120%/120% 4800/4000:6000/5000Gm NOS (OB) world logo
1 6EA8 $7.00 RCA 130%/130% 5000/4000:6500/5000Gm NOS (OB) ---
1 6EA8 $7.00 RCA 110%/115% 4600/4000:5600/5000Gm NOS (OB) ---
1 6EA8 $7.00 RCA 125%/125% 5200/4000:6500/5000Gm NOS (OB) ---
1 6EA8 $7.00 RCA 110%/130% 4500/4000:5800/5000Gm NOS (OB) ---
1 6EA8 $7.00 RCA 120%/130% 5200/4000:6000/5000Gm NOS (OB) ---
1 6EA8 $7.00 RCA 120%/130% 5250/4000:6500/5000Gm NOS (OB) ---
1 6EA8 $7.00 RCA 110%/120% 4600/4000:5600/5000Gm NOS (OB) ---
1 6EA8 $7.00 RCA 130%/120% 5100/4000:6000/5000Gm NOS (OB) torn box flap
1 6EA8 $7.00 RCA 110%/120% 5100/4000:6500/5000Gm NOS (OB) 1/2 black coat
1 6EA8 $7.00 RCA 110%/130% 5000/4000:5500/5000Gm NOS (OB) ---
1 6EA8 $7.00 RCA 120%/120% 4800/4000:6000/5000Gm NOS (OB) ---
1 6EA8 $7.00 RCA 140%/120% 5000/4000:7000/5000Gm NOS (OB) ---
1 6EA8 $7.00 RCA 130%/120% 4600/4000:6250/5000Gm NOS (OB) ---
1 6EA8 $7.00 RCA 140%/130% 5000/4000:6000/5000Gm NOS (OB) 1/2 gray coat
1 6EA8 $7.00 RCA 120%/120% 5000/4000:5750/5000Gm NOS (OB) ---
1 6EA8 $7.00 RCA 140%/110% 5000/4000:7000/5000Gm NOS (OB) ---
1 6EA8 $7.00 RCA 140%/120% 5200/4000:7500/5000Gm NOS (OB) ---
1 6EA8 $7.00 RCA 120%/110% 4400/4000:5600/5000Gm NOS (OB) ---
1 6EA8 $7.00 RCA 130%/110% 4600/4000:7500/5000Gm NOS (OB) ---
1 6EA8 $7.00 GE 110%/120% 5100/4000:6000/5000Gm NOS (OB) 1/2 gray coat
1 6EA8 $7.00 GE 110%/130% 5400/4000:6250/5000Gm NOS (OB) ---
1 6EA8 $7.00 GE 120%/120% 5000/4000:6000/5000Gm NOS (OB) ---
1 6EA8 $7.00 GE 120%/130% 5400/4000:6750/5000Gm NOS (OB) 1/2 black coat
1 6EA8 $7.00 GE 110%/115% 4600/4000:5500/5000Gm NOS (OB) black coat
1 6EA8 $7.00 GE 120%/120% 5000/4000:6000/5000Gm NOS (OB) 1/2 gray coat
1 6EA8 $7.00 GE 110%/110% 4600/4000:5600/5000Gm NOS (OB) ---
1 6EA8 $7.00 GE 120%/110% 4500/4000:5800/5000Gm NOS (OB) black coat
1 6EA8 $7.00 GE 110%/120% 5000/4000:6000/5000Gm NOS (OB) black coat
1 6EA8 $7.00 GE 110%/110% 4700/4000:6000/5000Gm NOS (OB) black coat
1 6EA8 $7.00 GE 110%/110% 4600/4000:6200/5000Gm NOS (OB) black ocat
1 6EA8 $7.00 GE 110%/110% 4600/4000:5700/5000Gm NOS (OB) 1/2 gray coat
1 6EA8 $7.00 GE 110%/120% 4800/4000:5800/5000Gm NOS (OB) 1/2 gray coat
1 6EA8 $7.00 GE 110%/120% 5200/4000:5900/5000Gm NOS (OB) black coat
1 6EA8 $7.00 Sylvania 120%/125% 4400/4000:5600/5000Gm NOS (OB) yellow lettering
1 6EA8 $7.00 Sylvania 120%/125% 5000/4000:6250/5000Gm NOS (OB) yellow lettering
1 6EA8 $7.00 Sylvania 120%/120% 5500/4000:6000/5000Gm NOS (OB) yellow lettering
1 6EA8 $7.00 Sylvania 130%/130% 5200/4000:6500/5000Gm NOS (OB) red lettering
1 6EA8 $7.00 Sylvania 140%/120% 4800/6000:5600/5000Gm NOS (OB) yellow lettering
1 6EA8 $7.00 Sylvania 120%/120% 4700/4000:6000/5000Gm NOS (OB) yellow lettering
1 6EA8 $7.00 Sylvania 130%/140% 5200/4000:6500/5000Gm NOS (OB) yellow lettering
1 6EA8 $7.00 Sylvania 120%/130% 5000/4000:5600/5000Gm NOS (OB) yellow lettering
1 6EA8 $7.00 Sylvania 120%/125% 5100/4000:6250/5000Gm NOS (OB) red lettering
1 6EA8 $7.00 Sylvania 130%/120% 4500/4000:6000/5000Gm NOS (OB) yellow lettering
1 6EA8 $7.00 Sylvania 130%/110% 4800/4000:6000/5000Gm NOS (OB) yellow lettering
1 6EA8 $7.00 Sylvania 120%/130% 5000/4000:5800/5000Gm NOS (OB) yellow lettering
1 6EA8 $7.00 Sylvania 130%/120% 4600/4000:6500/5000Gm NOS (OB) red lettering
1 6EA8 $7.00 Sylvania 130%/120% 4500/4000:6500/5000Gm NOS (OB) red lettering
1 6EA8 $7.00 Sylvania 120%/130% 4800/4000:6000/5000Gm NOS (OB) red lettering
1 6EA8 $7.00 Sylvania 130%/130% 5200/4000:6000/5000Gm NOS (OB) red lettering
1 6EA8 $7.00 National Electronics 110%/110% 4800/4000:6500/5000Gm NOS (OB) ---
1 6EA8 $7.00 El-Menco 140%/120% 4800/4000:7000/5000Gm NOS (OB) gold pins
1 6EA8 $7.00 Zenith 120%/110% 5000/4000:7250/5000Gm NOS (OB) ---
1 6EA8 $7.00 Zenith 110%/120% 4500/4000:6000/5000Gm NOS (OB) ---
1 6EA8 $7.00 IEC/Mullard 130%/110% 4100/4000:6500/5000Gm NOS (OB) 1/2 gray coat
1 6EA8 $7.00 Philco 110%/120% 5000/4000:6000/5000Gm NOS (OB) ---
1 6EA8 $7.00 Triad 130%/110% 4100/4000:6000/5000Gm NOS (OB) ---
1 6EA8 $7.00 Magnavox 110%/110% 4700/4000:5200/5000Gm NOS (OB) ---
1 6EA8 $7.00 Realistic 130%/120% 4700/4000:7000/5000Gm NOS (OB) ---
1 6EA8 $7.00 Realistic 130%/120% 5000/4000:7000/5000Gm NOS (OB) gold pins
1 6EA8 $7.00 Raytheon 120%/120% 4600/4000:6000/5000Gm NOS (OB) ---
1 6EA8 $7.00 Raytheon 120%/120% 4500/4000:6000/5000Gm NOS (OB) ---
1 6EA8 $7.00 Raytheon 110%/110% 5000/4000:5750/5000Gm NOS (OB) ---
1 6EA8/6U8A $7.00 Westinghouse 120%/120% 5000/4000:7000/5000Gm NOS (OB) ---
1 6EA8/6U8A $7.00 Westinghouse 120%/120% 4600/4000:6000/5000Gm NOS (OB) water damaged box
1 6EA8/6U8A $7.00 Westinghouse 130%/120% 4600/4000:7750/5000Gm NOS (OB) ---
1 6EA8 $3.50 Amperex 100%/100% 4100/4000:4600/5000Gm used (rb) black coat
1 6EA8 $3.50 Amperex 100%/100% 4100/4000:4700/5000Gm used (rb) black coat
1 6EA8* $3.50 Amperex 115%/100% 4000/4000:5300/5000Gm used (rb) black coat
1 6EA8 $3.50 Amperex 100%/110% 4000/4000:4800/5000Gm used (rb) black coat
1 6EA8 $3.50 Amperex 100%/110% 4100/4000:4800/5000Gm used (rb) black coat
1 6EA8 $3.50 Amperex 100%/110% 4100/4000:4800/5000Gm used (rb) black coat
1 6EA8 $3.50 Amperex 100%/110% 4000/4000:4700/5000Gm used (rb) black coat
1 6EA8 $3.50 RCA 120%/120% 5000/4000:5400/5000Gm used (ob) ---
1 6EA8 $3.50 RCA 110%/140% 4200/4000:6000/5000Gm used (ob) 1/2 gray coat
1 6EA8 $3.50 RCA 150%/110% 4400/4000:7500/5000Gm used (ob) ---
1 6EA8 $3.50 RCA 140%/100% 4000/4000:5700/5000Gm used (ob) ---
1 6EA8 $3.50 RCA 110%/110% 4400/4000:5400/5000Gm used (ob) ---
1 6EA8 $3.50 RCA 110%/115% 4600/4000:5600/5000Gm used (ob) 1/2 gray coat
1 6EA8 $3.50 RCA 100%/140% 5000/4000:5500/5000Gm used (ob) ---
1 6EA8 $3.50 RCA 130%/110% 5000/4000:6500/5000Gm used (ob) ---
1 6EA8 $3.50 RCA 110%/120% 4500/4000:5600/5000Gm used (ob) ---
1 6EA8 $3.50 RCA 120%/100% 4200/4000:6250/5000Gm used (rb) 1/2 gray coat
1 6EA8 $3.50 RCA 110%/130% 7600/4000:5500/5000Gm used (rb) ---
1 6EA8 $3.50 RCA 120%/110% 4600/4000:6500/5000Gm used (rb) 1/2 gray coat
1 6EA8 $3.50 RCA 100%/110% 4100/4000:5200/5000Gm used (rb) ---
1 6EA8 $3.50 RCA 130%/105% 3500/4000:5600/5000Gm used (rb) ---
1 6EA8 $3.50 RCA 110%/100% 4000/4000:5400/5000Gm used (rb) 1/2 gray coat
1 6EA8 $3.50 GE 130%/100% 4400/4000:6250/5000Gm used (rb) ---
1 6EA8 $3.50 GE 120%/100% 3900/4000:5800/5000Gm used (rb) black coat
1 6EA8 $3.50 GE 120%/120% 4700/4000:5600/5000Gm used (rb) ---
1 6EA8 $3.50 GE 120%/110% 4700/4000:5400/5000Gm used (rb) ---
1 6EA8 $3.50 GE 100%/100% 4000/4000:5000/5000Gm used (rb) ---
1 6EA8 $3.50 GE 100%/100% 4200/4000:5200/5000Gm used (rb) ---
1 6EA8 $3.50 GE 110%/110% 4200/4000:5800/5000Gm used (rb) ---
1 6EA8 $3.50 GE 140%/120% 5200/4000:7500/5000Gm used (wb) black coat
1 6EA8 $3.50 GE 130%/120% 5000/4000:6750/5000Gm used (rb) black coat
1 6EA8 $3.50 GE 100%/100% 3800/4000:5000/5000Gm used (rb) ---
1 6EA8 $3.50 GE 120%/110% 4000/4000:5000/5000Gm used (rb) black coat
1 6EA8 $3.50 GE 100%/110% 4500/4000:5600/5000Gm used (rb) ---
1 6EA8 $3.50 GE 110%/110% 4000/4000:5000/5000Gm used (rb) black coat
1 6EA8 $3.50 GE 100%/110% 4400/4000:5200/5000Gm used (rb) ---
1 6EA8 $3.50 GE 110%/100% 4200/4000:5800/5000Gm used (rb) black coat
1 6EA8 $3.50 GE 110%/110% 3900/4000:5400/5000Gm used (rb) ---
1 6EA8 $3.50 GE 110%/110% 4500/4000:5400/5000Gm used (rb) black coat
1 6EA8 $3.50 GE 110%/105% 4400/4000:5600/5000Gm used (rb) black coat
1 6EA8 $3.50 GE 100%/130% 5000/4000:5600/5000Gm used (rb) 1/2 gray coat
1 6EA8 $3.50 GE 100%/110% 4500/4000:5000/5000Gm used (rb) black coat
1 6EA8 $3.50 GE 100%/100% 4000/4000:5000/5000Gm used (rb) black coat
1 6EA8 $3.50 GE 120%/115% 4400/4000:5200/5000Gm used (rb) 1/2 gray coat
1 6EA8 $3.50 GE 110%/110% 4400/4000:5500/5000Gm used (rb) black coat
1 6EA8 $3.50 GE 110%/110% 4200/4000:5400/5000Gm used (rb) black coat
1 6EA8 $3.50 GE 110%/100% 4200/4000:5400/5000Gm used (rb) black coat
1 6EA8 $3.50 GE 110%/120% 4500/4000:6000/5000Gm used (rb) black coat - green lettering
1 6EA8 $3.50 Sylvania 120%/130% 3800/4000:5800/5000Gm used (wb) ---
1 6EA8 $3.50 Sylvania 120%/120% 4200/4000:5300/5000Gm used (rb) ---
1 6EA8 $3.50 Sylvania 120%/120% 4500/4000:5400/5000Gm used (wb) ---
1 6EA8 $3.50 Sylvania 140%/130% 5400/4000:7750/5000Gm used (rb) ---
1 6EA8 $3.50 Sylvania 110%/130% 4500/4000:5000/5000Gm used (rb) ---
1 6EA8 $3.50 Sylvania 100%/120% 4600/4000:5500/5000Gm used (rb) ---
1 6EA8 $3.50 Sylvania 120%/120% 4500/4000:5500/5000Gm used (ob) ---
1 6EA8 $3.50 Sylvania 120%/110% 3800/4000:4800/5000Gm used (ob) ---
1 6EA8 $3.50 Sylvania 110%/110% 4200/4000:5600/5000Gm used (rb) ---
1 6EA8 $3.50 Sylvania 120%/125% 4200/4000:4800/5000Gm used (ob) ---
1 6EA8 $3.50 Sylvania 110%/120% 4500/4000:5200/5000Gm used (ob) ---
1 6EA8 $3.50 Sylvania 120%/120% 4400/4000:5500/5000Gm used (ob) ---
1 6EA8 $3.50 Sylvania 120%/130% 4800/4000:5200/5000Gm used (ob) ---
1 6EA8 $3.50 Knight by RCA 130%/130% 4000/4000:6000/5000Gm used (rb) ---
1 6EA8 $3.50 Knight by RCA 100%/120% 4700/4000:5400/5000Gm used (rb) ---
1 6EA8 $3.50 Satchel Carlson 140%/110% 4300/4000:6500/5000Gm used (rb) ---
1 6EA8 $3.50 Motorola 100%/100% 4000/4000:5500/5000Gm used (rb) black coat
1 6EA8 $3.50 Westinghouse 110%/110% 4200/4000:5200/5000Gm used (rb) 1/2 gray coat
1 6EA8 $3.50 Magnavox 105%/120% 4100/4000:6500/5000Gm used (rb) ---
1 6EA8 $3.50 Realistic 150%/120% 4300/4000:6000/5000Gm used (ob) gold pins
1 6EA8 $3.50 Triad 120%/110% 4300/4000:5800/5000Gm used (rb) 1/2 gray coat
1 6EA8 $3.50 Tung-Sol 120%/100% 4200/4000:5800/5000Gm used (rb) ---
1 6EA8 $3.50 Zenith 100%/100% 4300/4000:5200/5000Gm used (rb) black coat
1 6EA8 $3.50 Rauland 120%/110% 4600/4000:6250/5000Gm used (rb) ---
1 6EA8 $3.50 IEC/Mullard 110%/115% 4900/4000:6000/5000Gm used (rb) ---
1 6EA8 $3.50 Zenith 110%/100% 3600/4000:5200/5000Gm used (rb) ---
1 6EA8 $3.50 Triad 120%/110% 4000/4000:5600/5000Gm used (rb) ---
1 6EA8 $3.50 IEC Servicemaster 120%/120% 4300/4000:5400/5000Gm used (rb) ---
1 6EA8 $3.50 unknown 120%/120% 4300/4000:5300/5000Gm used (rb) ---
1 6EA8 $3.50 unknown 120%/100% 4000/4000:5400/5000Gm used (rb) ---
1 6EA8 $3.50 unknown 100%/120% 4800/4000:4800/5000Gm used (rb) ---
1 6EA8 $3.50 unknown 110%/100% 3600/4000:5400/5000Gm used (rb) gray coat
1 6EA8 $3.50 unknown 110%/110% 4100/4000:5500/5000Gm used (rb) ---
1 6EA8 $3.50 unknown 120%/100% 4400/4000:7000/5000Gm used (rb) ---
1 6EA8 $3.50 unknown 100%/100% 4300/4000:5300/5000Gm used (rb) ---
1 6EA8 $3.50 unknown 110%/130% 5400/4000:6000/5000Gm used (rb) ---
1 6EA8 $3.50 unknown 140%/110% 4500/4000:6750/5000Gm used (rb) ---
1 6EA8 $3.50 unknown 100%/100% 4000/4000:4800/5000Gm used (rb) ---
1 6EA8 $3.50 unknown 150%/130% 5300/4000:6500/5000Gm used (rb) ---
1 6EA8 $2.50 Amperex 90%/90% 3800/4000:4600/5000Gm used (rb) black coat
1 6EA8 $2.50 Amperex 90%/110% 4200/4000:4800/5000Gm used (rb) black coat
1 6EA8 $2.50 Amperex 90%/100% 4000/4000:4800/5000Gm used (rb) black coat
1 6EA8 $2.50 Amperex 90%/100% 4000/4000:4800/5000Gm used (rb) black coat
1 6EA8 $2.50 RCA 120%/90% 3600/4000:5800/5000Gm used (ob) ---
1 6EA8 $2.50 RCA 120%/90% 3600/4000:7000/5000Gm used (rb) ---
1 6EA8 $2.50 RCA 120%/90% 4100/4000:6000/5000Gm used (rb) ---
1 6EA8 $2.50 RCA 130%/90% 4000/4000:6500/5000Gm used (rb) ---
1 6EA8 $2.50 RCA 110%/90% 4200/4000:5600/5000Gm used (rb) ---
1 6EA8 $2.50 GE 90%/100% 3900/4000:4600/5000Gm used (rb) black coat
1 6EA8 $2.50 GE 95%/100% 3900/4000:4800/5000Gm used (rb) ---
1 6EA8 $2.50 GE 90%/120% 4200/4000:4800/5000Gm used (rb) black coat
1 6EA8 $2.50 Sylvania 130%/90% 4500/4000:6000/5000Gm used (rb) ---
1 6EA8 $2.50 ITT 90%/110% 4300/4000:6000/5000Gm used (ob) ---
1 6EA8 $2.50 Realistic 90%/110% 5000/4000:5000/5000Gm used (rb) ---
1 6EA8 $2.50 Tung-Sol 125%/90% 3500/4000:5500/5000Gm used (rb) ---
1 6EA8 $2.50 Noble Oak 90%/110% 3900/4000:5500/5000Gm used (rb) ---
1 6EA8 $2.50 Zenith 90%/110% 4300/4000:4900/5000Gm used (rb) black coat
1 6EA8 $2.50 RCA 130%/90% 4000/4000:5000/5000Gm used (rb) ---
1 6EA8 $2.50 Triad 120%/90% 3800/4000:6500/5000Gm used (rb) ---
1 6EA8 $2.50 Packard Bell 90%/90% 3800/4000:5200/5000Gm used (rb) 1/2 gray coat
1 6EA8 $2.50 Rauland 110%/90% 4000/4000:5200/5000Gm used (rb) ---
1 6EA8 $2.50 Sylvania 90%/110% 4200/4000:4600/5000Gm used (rb) ---
1 6EA8 $2.50 unknown 110%/90% 3900/4000:5000/5000Gm used (rb) ---
1 6EA8 $2.50 unknown 90%/120% 4200/4000:4800/5000Gm used (rb) 1/2 gray coat
1 6EA8 $2.00 Sylvania 90%/120% 3800/4000:4000/5000Gm used (L) ---
1 6EA8 $2.00 Raytheon 100%/90% 3200/4000:4800/5000Gm used (L) ---
1 6EA8 $2.00 Zenith 90%/120% 4200/4000:4200/5000Gm used (L) ---
1 6EA8 $2.00 RCA 90%/110% 4100/4000:4200/5000Gm used (L) 1/2 gray coat
1 6EA8 $2.00 unknown 95%/120% 4400/4000:4600/5000Gm used (L) ---
1 6EA8 $2.00 unknown 90%/90% 3200/4000:4600/5000Gm used (L) ---
1 6EA8 $2.00 unknown 90%/90% 3500/4400:5600/5000Gm used (L) ---
1 6BY7/EF85 $2.00 Amperex 120% 120 DMC used (rb) (M9) Bugle Boy
1 EF92/6CQ6 $5.00 Amperex 100% 2000/2000Gm NOS (OB) (M9) torn box flap - world logo
1 EF92/6CQ6 $5.00 Mullard 110% 2200/2000Gm NOS (OB) (M9) torn box flap
1 EF92/6CQ6 $5.00 Mullard 110% 2200/2000Gm NOS (OB) (M9) ---
1 EF92/6CQ6 $5.00 Mullard 110% 2200/2000Gm NOS (OB) (M9) torn box flap

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, 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 Industrial, Ham Radio Transmitter and Power 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.

Contact MDB Ventures sales@mdbventures.com

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



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Don't forget to visit our Discount Bargain Packs and Bargain Bin for more savings!

Email: MDB Ventures sales@mdbventures.com