Welcome to MDB Ventures
Audio Tube Store

MDB Ventures Home

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

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 6SN7GTB $15.00 RCA 120% / 120% 2550:2600 / 2000Gm used (L) bottom getter - rectangular black plates - red lettering
1 6SN7GT $15.00 RCA 110% / 110% 2400:2300 / 2000Gm used (L) bottom getter - rectangular black plates - white lettering
1 6SN7GTB $15.00 RCA 115% / 140% 2550:3000 / 2000Gm used (L) top getter - square black plates - green lettering
1 6SN7GT $10.00 Raytheon 125% / 120% 2500:2700 / 2000Gm used (L) side getter - rectangular black plates
1 6SN7GTB $10.00 Sylvania 110% / 110% 2400:2500 / 2000Gm used (L) top getter - square black plates - yellow lettering
1 6SN7GTB $10.00 Sylvania 110% / 120% 2400:2600 / 2000Gm used (L) top getter - square black plates - yellow lettering
1 6SN7GTB $10.00 Baldwin 110% / 120% 2250:2500 / 2000Gm used (L) top getter - square black plates
1 6SN7GT $10.00 Motorola 120% / 120% 2600:2600 / 2000Gm used (L) bottom getter - rectangular black plates
1 6SN7GTA $10.00 Silvertone 110% / 120% 2200:2500 / 2000Gm used (L) dual side getters - rectangular black plates
1 6SN7GTA $10.00 TeleKing 120% / 120% 2500:2600 / 2000Gm used (L) side getter - rectangular gray plates
1 6SN7GTB $7.50 Sylvania 110% / 105% 2200:2400 / 2000Gm used (L) top getter - square black plates - green lettering
1 6SN7GTB $7.50 GE 110% / 100% 2500:2250 / 2000Gm used (L) side getter - rectangular gray plates - white lettering
1 6SN7GT $7.50 RCA 100% / 105% 2100:2150 / 2000Gm used (L) bottom getter - rectangular black plates - white lettering
1 6SN7GT $4.00 Sylvania 90% / 95% 1900:2100 / 2000Gm used (L) top getter - square black plates - yellow lettering
1 6SN7GT $4.00 Hytron 110% / 90% 2400:1800 / 2000Gm used (L) bottom getter - square black plates
1 6SN7GT $4.00 Traveler 90% / 90% 1850:2200 / 2000Gm used (L) bottom getter - square black plates
1 6SN7GT $4.00 Capehart 90% / 90% 2100:2150 / 2000Gm used (L) side getter - rectangular gray plates
1 6SN7GTB $4.00 RCA 90% / 90% 1950:1900 / 2000Gm used (L) bottom getter - rectangular black plates - red lettering
1 6SN7GTB $4.00 GE 110% / 95% 2200:1950 / 2000Gm used (L) side getter - rectangular gray plates - white lettering
1 6SN7GTB $4.00 Magnavox 90% / 100% 1800:1900 / 2000Gm used (L) top getter - square black plates
1 6SN7GTB $2.00 GE 100% / 85% 2000:1700 / 2000Gm used (L) side getter - rectangular gray plates - white lettering
1 12SN7GT $10.00 Tung-Sol 110% / 110% 2450:2500 / 2000Gm used (rb) top getter - square black plates
1 12SN7GT $7.50 Tung-Sol 100% / 110% 2500:2650 / 2000Gm used (rb) bottom getter - square gray plates
1 12SN7GT $7.50 Tung-Sol 100% / 100% 2150:2300 / 2000Gm used (L) top getter - square black plates
1 12SN7GT $7.50 RCA 110% / 115% 2400:2700 / 2000Gm used (rb) bottom getter - rectangular black plates - white lettering
1 12SN7GT $7.50 RCA 110% / 110% 2400:2450 / 2000Gm used (rb) bottom getter - rectangular black plates - red lettering
1 12SN7GT $7.50 RCA 130% / 120% 2900:2800 / 2000Gm used (rb) bottom getter - rectangular black plates - red lettering
1 12SN7GT $7.50 RCA 120% / 115% 2650:2600 / 2000Gm used (rb) JAN - bottom getter - rectangular black plates - white lettering
1 12SN7GT $5.00 RCA 100% / 100% 2300:2400 / 2000Gm used (rb) bottom getter - rectangular black plates - white lettering
1 12SN7GT $4.00 RCA 95% / 120% 2300:2800 / 2000Gm used (rb) bottom getter - gray coat - white lettering - dark brown base
1 12SN7GTA $5.00 Sylvania 100% / 120% 2500:2700 / 2000Gm used (rb) top getter - square black plates - yellow lettering
1 12SN7GT $5.00 Sylvania 110% / 110% 2250:2250 / 2000Gm used (rb) top getter - square black plates - yellow lettering
1 12SN7GT $5.00 Sylvania 110% / 120% 2600:2800 / 2000Gm used (rb) JAN - top getter - square black plates - green lettering
1 12SN7GT $5.00 Sylvania 130% / 110% 3000:2600 / 2000Gm used (rb) top getter - square black plates - yellow lettering
1 12SN7GT $5.00 Sylvania 120% / 115% 2900:2750 / 2000Gm used (rb) JAN - top getter - square black plates - green lettering
1 12SN7GT $5.00 Sylvania 110% / 110% 2500:2500 / 2000Gm used (rb) top getter - square black plates - green lettering
1 12SN7GT $5.00 Sylvania 110% / 110% 2700:2600 / 2000Gm used (rb) top getter - square black plates - yellow lettering
1 12SN7GT $5.00 Sylvania 120% / 120% 2700:2750 / 2000Gm used (rb) top getter - square black plates - yellow lettering
1 12SN7GT $5.00 Motorola 110% / 110% 2500:2600 / 2000Gm used (rb) side getter - rectangular black plates
1 12SN7GT $5.00 CBS 110% / 110% 2500:2600 / 2000Gm used (rb) side getter - square black plates
1 12SN7GT $5.00 CBS 125% / 120% 2700:2600 / 2000Gm used (rb) side getter - square black plates
1 12SN7GTA $5.00 CBS 115% / 115% 2500:2500 / 2000Gm used (rb) side getter - rectangular gray plates
1 12SN7GTA $5.00 Zenith 120% / 130% 2800:2900 / 2000Gm used (ob) side getter - rectamgular gray plates
1 12SN7GT $5.00 Emerson 120% / 125% 3000:3000 / 2000Gm used (rb) bottom getter - rectangular black plates
1 12SN7GT $5.00 Delco 115% / 110% 2850:2750 / 2000Gm used (rb) side getter - rectangular black plates
1 12SN7GT $5.00 Minneapolis Honeywell Regulator Company 120% / 120% 2900:2900 / 2000Gm used (rb) top getter - square black plates
1 12SN7GT $5.00 GE 120% / 110% 2600:2600 / 2000Gm used (rb) side getter - rectangular gray plates - white lettering
1 12SN7GTA $5.00 GE 130% / 115% 2800:2500 / 2000Gm used (OB) side getter - rectangular ribbed gray plates
1 12SN7GTA $5.00 GE 100% / 110% 2300:2500 / 2000Gm used (rb) side getter - rectangular gray plates - white lettering
1 12SN7GTA $5.00 GE 100% / 110% 2500:2550 / 2000Gm used (rb) side getter - rectangular gray plates - white lettering
1 12SN7GTA $5.00 Zenith 110% / 115% 2600:2750 / 2000Gm used (rb) side getter - rectangular gray plates
1 12SN7GT $5.00 Motorola 110% / 105% 2400:2350 / 2000Gm used (rb) side getter - rectangular gray plates
1 12SN7GT $4.00 unknown 110% / 110% 2500:2500 / 2000Gm used (rb) bottom getter - square gray plates
1 12SN7GT $4.00 unknown 110% / 110% 2600:2600 / 2000Gm used (rb) bottom getter - square gray plates
1 12SN7GT $4.00 Arcturus 120% / 90% 2850:2100 / 2000Gm used (ob) bottom getter - square black plates
1 12SN7GT $7.00 RCA 110% / 110% 2450:2450 / 2000Gm used (L) bottom getter - rectangular black plates - white lettering
1 12SN7GT $7.00 RCA 120% / 110% 2900:2700 / 2000Gm used (L) bottom getter - rectangular black plates - white lettering
1 12SN7GT $7.00 RCA 130% / 130% 3050:3000 / 2000Gm used (L) bottom getter - rectangular black plates - red lettering
1 12SN7GT $5.00 Sylvania 120% / 130% 2600:2700 / 2000Gm used (L) chrome top - top getter - square black plates
1 12SN7GT $5.00 Sylvania 115% / 115% 2800:2900 / 2000Gm used (L) top getter - square black plates - red lettering
1 12SN7GTA $5.00 Sylvania 110% / 115% 2450:2600 / 2000Gm used (L) top getter - square black plates - yellow lettering
1 12SN7GT $5.00 Sylvania 110% / 110% 2500:2500 / 2000Gm used (L) top getter - square black plates - green lettering
1 12SN7GT $5.00 Sylvania 115% / 115% 2800:2750 / 2000Gm used (L) top getter - square black plates - green lettering
1 12SN7GTA $5.00 Sylvania 110% / 110% 2200:2300 / 2000Gm used (L) top getter - square black plates - yellow lettering
1 12SN7GT $5.00 GE 110% / 110% 2600:2500 / 2000Gm used (L) side getter - rectangular gray plates - white lettering
1 12SN7GTA $5.00 GE 110% / 130% 2700:3200 / 2000Gm used (L) side getter - rectangular gray plates - white lettering
1 12SN7GTA $5.00 GE 115% / 110% 2700:2500 / 2000Gm used (L) side getter - rectangular gray plates - white lettering
1 12SN7GT $5.00 GE 120% / 125% 2800:2900 / 2000Gm used (L) side getter - rectangular gray plates - white lettering
1 12SN7GT $5.00 Silvertone 120% / 120% 2800:2750 / 2000Gm used (L) bottom getter - square black plates
1 12SN7GT $5.00 Motorola 110% / 115% 2650:2700 / 2000Gm used (L) top getter - square black plates
1 12SN7GT $5.00 Teletone 110% / 120% 2700:2800 / 2000Gm used (L) bottom getter - gray coat
1 12SN7GT $5.00 unknown 120% / 125% 2850:2900 / 2000Gm used (L) bottom getter - square gray plates
1 12SN7GTA $5.00 CBS 105% / 100% 2000:2000 / 2000Gm used (L) side getter - square black plates
1 12SN7GT $5.00 Sylvania 105% / 110% 2300:2800 / 2000Gm used (L) top getter - square black plates - yellow lettering
1 12SN7GT $5.00 Sylvania 110% / 100% 2500:2100 / 2000Gm used (L) bottom getter - square black plates - green lettering
1 12SN7GT $5.00 GE 115% / 105% 2600:2300 / 2000Gm used (L) side getter - rectangular gray plates - white lettering
1 12SN7GT $5.00 RCA 100% / 100% 2300:2450 / 2000Gm used (L) bottom getter - gray coat - white lettering
1 12SN7GT $5.00 RCA 100% / 100% 2400:2500 / 2000Gm used (L) bottom getter - rectangular black plates - white lettering
1 12SN7GT $5.00 RCA 110% / 100% 2450:2300 / 2000Gm used (L) bottom getter - rectangular black plates - white lettering
1 12SN7GT $5.00 RCA 110% / 105% 2500:2400 / 2000Gm used (L) bottom getter - rectangular black plates - white lettering
1 12SN7GT $5.00 RCA 105% / 110% 2450:2600 / 2000Gm used (L) bottom getter - rectangular black plates - white lettering - loose base (cat:402-281)
1 12SN7GTA $5.00 Westinghouse 110% / 100% 2400:2400 / 2000Gm used (L) top getter - rectangular black plates
1 12SN7GT $5.00 Westinghouse 120% / 115% 2200:2000 / 2000Gm used (L) side getter - rectangular black plates
1 12SN7GT $5.00 Tung-Sol 110% / 110% 2000:2100 / 2000Gm used (L) top getter - square black plates
1 12SN7GT $5.00 RCA 140% / 110% 2300:2200 / 2000Gm used (L) bottom getter - rectangular black plates - silver lettering
1 12SN7GT $5.00 Sylvania 130% / 125% 3000:2800 / 2000Gm used (L) bottom getter - square black plates - green lettering
1 12SN7GT $5.00 GE 120% / 120% 2700:2700 / 2000Gm used (L) side getter - rectangular ribbed gray plates
1 12SN7GT $5.00 RCA 100% / 110% 2300:2300 / 2000Gm used (L) bottom getter - rectangular ribbed black plates - white lettering
1 12SN7GT $4.00 Raytheon 90% / 90% 2000:1800 / 2000Gm used (L) bottom getter - rectangular black plates - grid 'c' clips
1 12SN7GT $4.00 Hi-Lite 90% / 90% 2200:2200 / 2000Gm used (L) side getter - rectangular gray plates
1 12SN7GT $4.00 Motorola 90% / 90% 1900:2100 / 2000Gm used (L) bottom getter - rectangular black plates
1 12SN7GT $4.00 Raytheon 90% / 110% 2000:2100 / 2000Gm used (L) side getter - rectangular black plates
1 12SN7GT $4.00 Motorola 100% / 90% 2100:2100 / 2000Gm used (L) bottom getter - square black plates
1 12SN7GT $4.00 GE 95% / 105% 2300:2500 / 2000Gm used (L) bottom getter - rectangular black plates - white lettering
1 12SN7GT $4.00 Emerson 90% / 100% 2000:2300 / 2000Gm used (L) bottom getter - square gray plates
1 12SN7GTA $4.00 Sylvania 95% / 110% 2250:2700 / 2000Gm used (L) top getter - square black plates - yellow lettering
1 12SN7GT $4.00 Sylvania 120% / 90% 2600:2000 / 2000Gm used (L) bottom getter - square black plates - green lettering
1 12SN7GT $4.00 RCA 95% / 90% 2250:2100 / 2000Gm used (L) bottom getter - rectangular black plates - gray coat - white lettering
1 12SN7GT $4.00 RCA 120% / 90% 1950:1600 / 2000Gm used (L) bottom getter - rectangular black plates - silver lettering
1 12SN7GT $4.00 Tung-Sol 90% / 110% 2000:2100 / 2000Gm used (L) bottom getter - square black plates
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.

Go back to the TOP

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

Gmail Users
Please read this note about incorrectly declared email as spam.
This can be an issue as well with other free email providers like Hotmail, AOL, and Yahoo.

MDB Ventures Home


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