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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 6N7 $8.00 US Navy 120% / 120% 1500:1500 / 1500Gm NOS (OB) metal tube - sealed in box
1 6N7 $8.00 US Navy 120% / 125% 1500:1600 / 1500Gm NOS (OB) metal tube - sealed in box
1 6N7 $8.00 US Navy 120% / 115% 1500:1500 / 1500Gm NOS (OB) metal tube - sealed in box
1 6N7 $8.00 for Western Electric 110% / 110% 1500:1500 / 1500Gm NOS (OB) metal tube - sealed in box - JAN
1 6N7 $8.00 RCA 110% / 110% 1500:1500 / 1500Gm NOS (OB) metal tube
1 6N7 / VT-96 $8.00 RCA 110% / 105% 1450:1450 / 1500Gm NOS (OB) metal tube - JAN
1 6N7 / VT-96 $8.00 RCA 105% / 105% 1450:1450 / 1500Gm NOS (OB) metal tube - JAN
1 6N7 / VT-96 $8.00 RCA 120% / 110% 1450:1600 / 1500Gm NOS (OB) metal tube - US Army
1 6N7 / VT-96 $8.00 RCA 120% / 120% 1600:1600 / 1500Gm NOS (OB) metal tube - JAN
1 6N7 / VT-96 $8.00 RCA 120% / 120% 1600:1650 / 1500Gm NOS (OB) metal tube - JAN
1 6N7 / VT-96 $8.00 RCA 120% / 110% 1600:1450 / 1500Gm NOS (OB) metal tube - JAN
1 6N7 $10.00 RCA Victor 110% / 110% 1500:1500 / 1500Gm NOS (OB) metal tube
1 6N7 / VT-96 $8.00 Ken-Rad 115% / 120% 1500:1600 / 1500Gm NOS (OB) metal tube - JAN
1 6N7 / VT-96 $8.00 Ken-Rad 130% / 130% 1700:1700 / 1500Gm NOS (OB) metal tube - JAN
1 6N7 / VT-96 $8.00 Ken-Rad 120% / 120% 1600:1650 / 1500Gm NOS (OB) metal tube - JAN
1 6N7 / VT-96 $8.00 Ken-Rad 115% / 120% 1550:1650 / 1500Gm NOS (OB) metal tube - JAN
1 6N7 / VT-96 $8.00 Ken-Rad 120% / 120% 1500:1500 / 1500Gm NOS (OB) metal tube - JAN
1 6N7 / VT-96 $8.00 Ken-Rad 110% / 110% 1500:1500 / 1500Gm NOS (OB) metal tube - JAN
1 6N7 / VT-96 $8.00 Ken-Rad 120% / 130% 2000:2250 / 1500Gm NOS (OB) metal tube - JAN - sealed in box
1 6N7 / VT-96 $8.00 Ken-Rad 125% / 120% 1650 / 1600Gm NOS (OB) JAN - metal tube - sealed in box
1 6N7 / VT-96 $8.00 Ken-Rad untested --- NOS (OB) JAN - metal tube - sealed in box
1 6N7 / VT-96 $8.00 Ken-Rad untested --- NOS (OB) JAN - metal tube - sealed in box
1 6N7 $8.00 Ken-Rad 120% / 120% 1550:1550 / 1500Gm NOS (OB) metal tube - sealed in box
1 6N7 $7.50 Ken-Rad untested heater ok NOS (OB) metal tube - sealed in box - damaged box
1 6N7 $7.50 National Union 115% / 115% 1500:1500 / 1500 NOS (OB) metal tube
1 6N7 $7.50 GE 120% / 120% 1600:1600 / 1500 NOS (ob) metal tube - damaged box
1 6N7 $7.50 GE 110% / 110% 1500:1500 / 1500 NOS (ob) metal tube - damaged box - sealed in box
1 6N7 $7.50 GE 110% / 110% 1450:1450 / 1500 NOS (wb) metal tube
1 6N7 $7.50 GE 130% / 130% 1650:1600 / 1500 NOS (OB) metal tube
1 6N7 $7.50 GE 120% / 125% 1600:1600 / 1500 NOS (OB) metal tube
1 6N7 $5.00 GE 120% / 120% 1600:1600 / 1500 NOS (OB) metal tube - rust on base
1 6N7 $7.50 GE 120% / 120% 1500:1500 / 1500 NOS (OB) metal tube - sealed in box
1 6N7 $7.50 GE 110% / 110% 1500:1500 / 1500 NOS (OB) metal tube - JAN
1 6N7 $7.50 Sylvania 125% / 125% 1600:1600 / 1500 NOS (OB) metal tube
1 6N7 $7.50 Sylvania 125% / 130% 1700:1750 / 1500 NOS (OB) metal tube
1 6N7 $7.50 Sylvania 115% / 115% 1600:1600 / 1500 NOS (OB) metal tube
1 6N7 $7.50 Sylvania 115% / 115% 1550:1550 / 1500 NOS (wb) metal tube
1 6N7 $7.50 Tung-Sol 120% / 120% 1600:1600 / 1500 NOS (OB) metal tube
1 6N7 $7.50 Tung-Sol 110% / 110% 1500:1500 / 1500 NOS (OB) metal tube
1 6N7 / VT-96 $8.00 Ken-Rad 125% / 125% 1700:1700 / 1500 NOS (wb) metal tube
1 6N7 $7.50 Ken-Rad 130% / 130% 1650:1700 / 1500 NOS (wb) metal tube
1 6N7 / VT-96 $8.00 Ken-Rad 110% / 120% 1700:1500 / 1500 NOS (OB) metal tube - JAN
1 6N7 / VT-96 $8.00 Ken-Rad 125% / 130% 1700:1800 / 1500 NOS (OB) metal tube
1 6N7 / VT-96 $8.00 Ken-Rad 120% / 120% 1550:1600 / 1500 NOS (OB) metal tube - JAN
1 6N7 $7.50 Westinghouse 105% / 105% 1450:1450 / 1500 NOS (OB) metal tube - damaged box
1 6N7 $7.00 Delco 100% / 100% 1400:1400 / 1500 NOS (OB) metal tube
1 6N7 $3.00 Ken-Rad 110% / 100% 1500:1500 / 1500Gm used (rb) metal tube - JAN
1 6N7 / VT-96 $3.00 RCA 120% / 120% 1500:1500 / 1500Gm used (OB) metal tube - JAN - rust on base
1 6N7 / VT-96 $4.00 RCA 105% / 100% 1250:1250 / 1500Gm used (rb) metal tube
1 6N7 / VT-96 $4.00 RCA 100% / 100% 1300:1300 / 1500Gm used (OB) metal tube - JAN
1 6N7 / VT-96 $4.00 RCA 100% / 100% 1300:1300 / 1500Gm used (OB) metal tube - JAN
1 6N7 / VT-96 $4.00 RCA 100% / 110% 1450:1450 / 1500Gm used (OB) metal tube - US Army
1 6N7 $5.00 RCA 110% / 110% 1500:1500 / 1500Gm used (rb) metal tube - JAN
1 6N7 $4.00 RCA 105% / 140% 1400:2000 / 1500Gm used (rb) metal tube
1 6N7 $4.00 RCA 110% / 110% 1500:1500 / 1500Gm used (rb) metal tube
1 6N7 $4.00 RCA 110% / 105% 1300:1400 / 1500Gm used (rb) metal tube
1 6N7 $4.00 RCA 100% / 100% 1250:1300 / 1500Gm used (rb) metal tube
1 6N7 $4.00 RCA 130% / 110% 1800:1400 / 1500Gm used (rb) metal tube
1 6N7 $4.00 RCA 110% / 105% 1300:1350 / 1500Gm used (rb) metal tube
1 6N7 $4.00 RCA 105% / 105% 1350:1350 / 1500Gm used (rb) metal tube
1 6N7 $4.00 RCA 105% / 105% 1400:1400 / 1500Gm used (rb) metal tube
1 6N7 $4.00 RCA 130% / 125% 1800:1750 / 1500Gm used (rb) metal tube
1 6N7 $4.00 CBS 130% / 120% 1650:1750 / 1500Gm used (rb) metal tube
1 6N7 $4.00 Raytheon 110% / 100% 1500:1450 / 1500Gm used (rb) metal tube
1 6N7 $3.00 Tung-Sol 110% / 130% 1450:1600 / 1500Gm used (rb) metal tube
1 6N7 $4.00 GE 110% / 120% 1500:1400 / 1500Gm used (rb) metal tube
1 6N7 $4.00 GE 110% / 110% 1300:1300 / 1500Gm used (rb) metal tube
1 6N7 $3.00 GE 120% / 120% 1600:1600 / 1500 used (ob) metal tube - rust on base
1 6N7 $4.00 GE 105% / 110% 1300:1400 / 1500 used (ob) metal tube
1 6N7 $4.00 Stromberg Carlson 120% / 120% 1600:1600 / 1500 used (rb) metal tube
1 6N7 $2.50 RCA 95% / 95% 1400:1500 / 1500Gm used (rb) metal tube
1 6N7 $2.50 RCA 85% / 85% 1000:1000 / 1500Gm used (rb) metal tube
1 6N7 $2.50 RCA 90% / 85% 1100:1200 / 1500Gm used (rb) metal tube
1 6N7 $2.50 Raytheon 90% / 90% 1000:1000 / 1500Gm used (rb) metal tube
1 6N7 $2.50 Raytheon 90% / 105% 1200:1300 / 1500Gm used (rb) metal tube
1 6N7 $2.50 GE 90% / 90% 1000:1000 / 1500Gm used (rb) metal tube
1 6N7 $4.00 RCA 120% / 120% 1350:1400 / 1500 used (L) metal tube
1 6N7 $4.00 RCA 120% / 120% 1400:1400 / 1500 used (L) metal tube
1 6N7 $4.00 RCA 110% / 110% 1300:1350 / 1500 used (L) metal tube
1 6N7 $4.00 Sylvania 110% / 110% 1350:1350 / 1500 used (L) metal tube
1 6N7-G $14.00 Sylvania 140% / 110% 1750:1550 / 1500Gm used (L) ribbed round blacks plates
1 6N7-G $15.00 Raytheon 130% / 125% 1600:1550 / 1500Gm used (L) engraved base - rectangular black plates
1 6N7-G $14.00 RCA 110% / 120% 1500:1550 / 1500Gm used (L) smooth round black plates
1 6N7-G $14.00 RCA 115% / 120% 1500:1550 / 1500Gm used (L) smooth round black plates
1 6N7-G $14.00 RCA 130% / 125% 1650:1600 / 1500Gm used (L) smooth round black plates
1 6N7-G $12.50 RCA 105% / 110% 1350:1400 / 1500Gm used (L) smooth round black plates
1 6N7-G $12.00 Philco 90% / 90% 1100:1100 / 1500Gm used (L) engraved base - smooth round black plates
1 6N7-G $14.00 Sylvania 130% / 120% 1900:1800 / 1500Gm used (L) round black plates
1 6N7-G $14.00 Sylvania 115% / 115% 1600:1600 / 1500Gm used (L) round black plates
1 6N7-G $14.00 Sylvania 120% / 110% 1600:1500 / 1500Gm used (L) round black plates
1 6N7-G $14.00 Sylvania 130% / 140% 1800:1900 / 1500Gm used (L) round black plates
1 6N7-G $12.50 Sylvania 105% / 105% 1500:1500 / 1500Gm used (L) round black plates
1 6N7-G $12.00 Sylvania 100% / 100% 1600:1600 / 1500Gm used (L) round black plates
1 6N7-G $12.00 Sylvania 100% / 120% 1500:1600 / 1500Gm used (L) round black plates
1 6N7-G $12.00 Sylvania 100% / 100% 1500:1250 / 1500Gm used (L) round black plates
1 6N7-G $14.00 National Union 110% / 110% 1600:1600 / 1500Gm used (L) round black plates - engraved base
1 6N7-G $14.00 Zenith 120% / 120% 1700:1700 / 1500Gm used (L) rectangular black plates
1 6N7-G $13.00 GM 130% / 120% 1850:1750 / 1500Gm used (L) rectangular black plates - engraved base
1 6N7-G $12.50 Knight 120% / 120% 1800:1800 / 1500Gm used (L) round black plates
1 6N7-G $12.00 RCA Victor 120% / 110% 1700:1650 / 1500Gm used (L) round black plates
1 6N7-G $12.00 Philco 100% / 120% 1500:1800 / 1500Gm used (L) round black plates - engraved base
1 6N7-G $12.00 Philco 120% / 100% 1500:1350 / 1500Gm used (L) Round black plates
1 6N7-G $12.00 Philco 90% / 100% 1000:1300 / 1500Gm used (L) Round black plates
1 6N7-G $20.00 Raytheon 140% / 140% 2000:2000 / 1500Gm NOS (wb) rectangular black plates
1 6N7-G $20.00 Zenith 120% / 130% 1700:1800 / 1500Gm NOS (wb) engraved base - rectangular black plates
1 6N7-G $15.00 RCA 110% / 110% 1500:1500 / 1500Gm used (rb) round black plates
1 6N7-G $13.00 GM 110% / 120% 1450:1550 / 1500Gm used (rb) rectangular black plates
1 6N7-G $13.00 GM 110% / 110% 1500:1500 / 1500Gm used (rb) square black plates - black coat
1 6N7-G $13.00 GM 130% / 135% 1800:1700 / 1500Gm used (rb) rectangular black plates - engraved base
1 6N7-G $12.00 Zenith 105% / 120% 1400:1600 / 1500Gm used (rb) rectangular black plates - engraved base
1 6N7-G $12.00 Philco 100% / 100% 1450:1400 / 1500Gm used (rb) round black plates - engraved base
1 6N7-GT $8.00 RCA 120% / 120% 1700:1700 / 1500Gm NOS (OB) JAN - gray coat
1 6N7-GT $8.00 RCA 110% / 110% 1600:1600 / 1500Gm NOS (OB) JAN
1 6N7-GT $8.00 RCA 110% / 110% 1600:1600 / 1500Gm NOS (OB) JAN - gray coat
1 6N7-GT $8.00 RCA 115% / 110% 1650:1550 / 1500Gm NOS (OB) gray coat
1 6N7-GT $8.00 RCA 110% / 110% 1600:1600 / 1500Gm NOS (OB) ---
1 6N7-GT $8.00 RCA 125% / 125% 1700:1700 / 1500Gm NOS (OB) gray coat
1 6N7-GT $8.00 RCA 110% / 110% 1500:1550 / 1500Gm NOS (wb) gray coat
1 6N7-GT $8.00 RCA 110% / 110% 1450:1450 / 1500Gm NOS (OB) gray coat
1 6N7-GT $8.00 Motorola 110% / 110% 1500:1550 / 1500Gm NOS (OB) gray coat
1 6N7-GT $8.00 CBS / Hytron 110% / 110% 1600:1600 / 1500Gm NOS (OB) gray coat - torn box flap
1 6N7-GT $10.00 National Union 115% / 115% 1500:1500 / 1500 NOS (OB) gray coat - round plate
1 6N7-GT $6.00 Tung-Sol 110% / 110% 1250:1300 / 1500Gm used (rb) round plates - gray coat
1 6N7-GT $5.00 Delco 100% / 100% 1400:1400 / 1500Gm used (ob) gray coat
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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MDB Ventures Home


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