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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 6V6-G $20.00 Sylvania 140% 4800 / 4100Gm used (rb) (ST) yellow lettering - gray coat - grid 'c' clip
1 6V6-G $5.00 Ken-Rad 60% 2400 / 4100Gm used (L) (ST) black coat - grid 'c' clip
1 6V6Y $15.00 RCA 110% 4600 / 4100Gm NOS (wb) (M) metal - brown base
1 6V6Y $15.00 RCA for Hallicrafters 110% 4500 / 4100Gm NOS (OB) (M) metal - brown base
1 6V6 $12.00 Westinghouse 110% 4300 / 4100Gm NOS (OB) (M) metal
1 6V6 $12.00 GE 110% 4600 / 4100Gm NOS (OB) (M) metal
1 6V6* $12.00 GE 110% 4700 / 4100Gm NOS (OB) (M) metal
1 6V6 $12.00 GE 120% 5400 / 4100Gm NOS (OB) (M) metal
1 6V6 $12.00 RCA 120% 4600 / 4100Gm NOS (wb) (M) metal
1 6V6 $12.00 RCA 110% 4400 / 4100Gm NOS (OB) (M) metal
1 6V6 $12.00 RCA 110% 4500 / 4100Gm NOS (OB) (M) metal
1 6V6 $12.00 Delco 110% 4300 / 4100Gm NOS (OB) metal
1 6V6 $12.00 Sylvania 110% 4400 / 4100Gm NOS (OB) (M) metal
1 6V6 $12.00 Raytheon 110% 4800 / 4100Gm NOS (OB) (M) metal - torn box flap
1 6V6 $12.00 RCA 110% 4800 / 4100Gm NOS (OB) (M) metal - silver lettering
1 6V6 $12.00 RCA 110% 4600 / 4100Gm NOS (OB) (M) metal - red lettering
1 6V6 / VT-107 $7.50 Ken-Rad 110% 5000 / 4100Gm used (rb) metal - JAN
1 6V6 $6.00 GE 100% 4500 / 4100Gm used (ob) metal
1 6V6 $6.00 GE 105% 4300 / 4100Gm used (ob) metal
1 6V6 $6.00 RCA 100% 4100 / 4100Gm used (rb) metal
1 6V6 $6.00 RCA 100% 4200 / 4100Gm used (rb) metal
1 6V6 $4.00 RCA 90% 4000 / 4100Gm used (L) metal - red lettering
1 6V6-GT $7.50 National Union 110% 3800 / 4100Gm used (ob) black coat - grid 'c' clip
1 6V6-GT $7.50 Trav-ler 110% 4200 / 4100Gm used (wb) gray coat
1 6V6-GT $7.50 National Union 120% 3800 / 4100Gm used (ob) gray coat
1 6V6-GT $7.50 National Union 110% 4100 / 4100Gm used (rb) black coat
1 6V6-GT $7.50 Best Test 110% 4200 / 4100Gm used (rb) clear glass
1 6V6-GT $7.50 Zenith 120% 4200 / 4100Gm used (rb) ---
1 6V6-GT $7.50 GM 110% 4200 / 4100Gm used (rb) gray coat - grid 'c' clip
1 6V6-GT $5.00 RCA 100% 4000 / 4100Gm used (rb) grid 'c' clip - gray coat
1 6V6-GT $5.00 Raytheon 100% 4000 / 4100Gm used (wb) grid 'c' clip - gray coat
1 6V6-GT $5.00 GE 100% 4100 / 4100Gm used (ob) clear glass
1 6V6-GT $5.00 GE 100% 4200 / 4100Gm used (ob) clear glass
1 6V6-GT $4.00 Motorola 90% 3800 / 4100Gm used (rb) black coat
1 6V6-GT $4.00 CBS / Columbia 95% 3800 / 4100Gm used (rb) gray coat
1 6V6-GT $4.00 Westinghouse 90% 4200 / 4100Gm used (L) gray plate - top getter - grid 'c' clip
1 6V6-GT $3.00 RCA 120% 4200 / 4100Gm used (rb) clear glass - broken locator pin
1 6V6-GT $4.00 National Union 120% 3900 / 4100Gm used (wb) black coat - brown base - cracked base

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