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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 6BG6-G $6.00 RCA 130% 6750 / 6000 NOS (OB) silver lettering - grid 'c' clip - dual bottom getters (cat:402-403-2) (au56-A)
1 6BG6-G $6.00 RCA 130% 6500 / 6000 NOS (OB) red lettering - grid 'c' clip - dual bottom getters (au56-A)
1 6BG6-G $6.00 RCA 120% 7000 / 6000 NOS (OB) red lettering - grid 'c' clip - dual bottom getters - missing box flap (au56-A)
1 6BG6-G $6.00 RCA 120% 7000 / 6000 NOS (OB) red lettering - grid 'c' clip - dual bottom getters (au56-A)
1 6BG6-G $6.00 RCA 120% 6750 / 6000 NOS (OB) red lettering - grid 'c' clip - dual bottom halo getters (cat:402-109) (au56-A)
1 6BG6-G $6.00 RCA 120% 6750 / 6000 NOS (OB) red lettering - grid 'c' clip - dual bottom getters (au56-A)
1 6BG6-G $6.00 RCA 120% 6750 / 6000 NOS (OB) silver lettering - grid 'c' clip - dual bottom getters (407-104) (au56-A)
1 6BG6-G $6.00 RCA 120% 6750 / 6000 NOS (OB) red lettering - grid 'c' clip - dual bottom getters (cat:402-401-2) (au56-A)
1 6BG6-G $6.00 RCA 120% 6500 / 6000 NOS (OB) red lettering - grid 'c' clip - dual bottom getters (au56-A)
1 6BG6-G $6.00 RCA 120% 6500 / 6000 NOS (OB) silver lettering - grid 'c' clip - dual bottom getters (cat:402-4003-1) (au56-A)
1 6BG6-G $6.00 RCA 120% 6500 / 6000 NOS (OB) silver lettering - grid 'c' clip - dual bottom getters (au56-A)
1 6BG6-G $6.00 RCA 120% 6500 / 6000 NOS (OB) red lettering - grid 'c' clip - dual bottom getters - damaged box (cat:402-401-1) (au56-A)
1 6BG6-G $6.00 RCA 130% 6500 / 6000 NOS (wb) red lettering - grid 'c' clip - dual bottom getters (cat:401-512) (au56-A)
1 6BG6-G $6.00 RCA 125% 6500 / 6000 NOS (OB) silver lettering - dual bottom getters (au56-A)
1 6BG6-G $6.00 RCA 120% 6250 / 6000 NOS (wb) silver lettering - dual side getters (cat:403-113-2) (au56-A)
1 6BG6-G $6.00 RCA 115% 6250 / 6000 NOS (OB) red lettering - grid 'c' clip - dual bottom getters (au56-A)
1 6BG6-G $8.00 Tung-Sol 110% 7000 / 6000 NOS (OB) dual side getters - ceramic spacers (au48)
1 6BG6-G $8.00 Tung-Sol 120% 6500 / 6000 NOS (OB) grid 'c' clip - dual side getters - ceramic spacers - damaged box (au56-A)
1 6BG6-G $6.00 CBS 120% 6500 / 6000 NOS (OB) dual side getters - ceramic spacers - missing box flap (au56-A)
1 6BG6-G $6.00 CBS 120% 6500 / 6000 NOS (OB) grid 'c' clip - dual side getters - ceramic spacers - damaged box (au56-A)
1 6BG6-G $6.00 Philco 120% 6500 / 6000 NOS (OB) dual side getters - ceramic spacers - torn box flap (au56-A)
1 6BG6-G $6.00 Raytheon 130% 6500 / 6000 NOS (OB) grid clip - dual bottom getters (au56-A)
1 6BG6-G $6.00 Sylvania 125% 6500 / 6000 NOS (OB) green lettering - dual 'D' bottom getters - ceramic spacers - damaged box (au56-A)
1 6BG6-G $5.00 RCA 120% 6500 / 6000 used (wb) silver lettering - ceramic spacers - grid clip - dual bottom getters - tripple mica (cat:403-113-3) (au56)
1 6BG6-G $5.00 RCA Cunningham 120% 6500 / 6000 used (rb) silver lettering - ceramic spacers - grid clip - dual bottom getters - tripple mica (cat:402-123) (au56)
1 6BG6-G $5.00 RCA Victor 130% 5500 / 6000 used (wb) grid clip - dual bottom getters - ceramic spacers - tripple mica (au56-A)
1 6BG6-G $5.00 Magnavox 120% 6500 / 6000 used (wb) ceramic spacers - grid clip - dual bottom getters - tripple mica (cat:401-98) (au56)
1 6BG6-G $5.00 Teltron 125% 7000 / 6000 used (rb) ceramic spacers - grid clip - dual bottom getters - tripple mica (au56)
1 6BG6-G $4.00 RCA 130% 7000 / 6000 used (wb) red lettering - grid clip - dual bottom getters (au56-A)
1 6BG6-G $4.00 RCA 115% 6250 / 6000 used (wb) silver lettering - grid clip - dual bottom getters (cat:401-157) (au56)
1 6BG6-G $4.00 RCA 110% 7000 / 6000 used (OB) silver lettering - grid 'c' clip - dual bottom getters - missing box flap (au56-A)
1 6BG6-G $4.00 Tung-Sol 105% 5500 / 6000 used (wb) dual side getters - ceramic spacers (cat:402-412) (au56-A)
1 6BG6-G $4.00 Crosley 130% 7000 / 6000 used (wb) grid clip - dual bottom getters - ceramic spacers (au56-A)
1 6BG6-G $4.00 Standard 110% 6000 / 6000 used (rb) dual bottom getters (au56-A)
1 6BG6-G $3.00 Silvertone 100% 5000 / 6000 used (rb) dual side getters - ceramic spacers (au56-A)
1 6BG6-G $3.00 Tung-Sol 120% 6500 / 6000 used leaky (2M) (ob) dual side getters - ceramic spacers (cat:312-269) (au56)
1 6BG6-G $2.00 GE 90% 5000 / 6000 used (rb) white lettering - grid clip - dual bottom getters - ceramic spacers (au56-A)
1 6BG6-G $4.00 RCA 110% 7000 / 6000 used (rb) silver lettering - grid clip - dual bottom getters (au48)
1 6BG6-G $4.00 RCA 110% 6500 / 6000 used (rb) red lettering - grid clip - dual bottom getters (au48)
1 6BG6-G $4.00 GE 110% 6500 / 6000 used (wb) white lettering - grid clip - dual bottom getters (au48)
1 6BG6-G $4.00 RCA 100% 7000 / 6000 used (L) silver lettering - grid clip - dual bottom getters (au48)
1 6BG6-G $4.00 RCA 100%7000 / 6000 used (L) silver lettering - grid clip - dual bottom getters - ceramic spacers (au48)
1 6BG6-G $4.00 Tele-Tone 100% 6000 / 6000 used (L) tripple mica - grid clip - dual bottom getters - ceramic spacers (au48)
1 6BG6-G $2.00 RCA 90% 8000 / 6000 used (L) silver lettering - grid clip - dual bottom getters (au48)
1 6BG6-G $2.00 Sylvania 90% 7500 / 6000 used (L) green lettering - grid clip - dual bottom getters - ceramic spacers (au48)
1 6BG6-G $2.00 RCA 100% 8500 / 6000 used (L) silver lettering - grid clip - dual bottom getters - loose cap (au48)
1 6BG6-G $2.00 RCA 100% 8500 / 6000 used (L) silver lettering - grid clip - single bottom getter - loose cap (au48)
1 6BG6-G $2.00 RCA 110% 8000 / 6000 used (L) silver lettering - grid clip - dual bottom getters - loose cap (au48)
1 6BG6-G $2.00 Sylvania 120% 8000 / 6000 used (L) green lettering - grid clip - dual bottom getters - ceramic spacers - loose base (au48)
1 6BG6-G $1.00 Magnavox 90% 8000 / 6000 used (L) grid clip - dual bottom getters - ceramic spacers - loose base (au48)
1 6BG6-G $1.00 RCA 90% 6000 / 6000 used (L) silver lettering - grid clip - dual bottom getters - loose base (au48)
1 6BG6-G $1.00 Delco 90% 8500 / 6000 used (L) grid clip - dual bottom getters - loose base (au48)
1 6BG6-G $1.00 Sylvania 95% 7000 / 6000 used (L) green lettering - grid clip - dual bottom getters - ceramic spacers - loose cap (au48)
1 6BG6-G $1.00 RCA 100% 8000 / 6000 used leaky (2M) (L) silver lettering - grid clip - dual bottom getters - loose cap - loose base (au48)
1 6BG6-G $5.00 RCA 110% 5400 / 6000 used (L) silver lettering - grid clip - dual bottom 'D' getters - ceramic spacers - tripple mica (au56)
1 6BG6-G $4.00 RCA 130% 7000 / 6000 used (L) grid clip - bottom 'D' getter (au56)
1 6BG6-G $4.00 McMurdy Silver 120% 6500 / 6000 used (L) ceramic spacers - dual side getters (cat:401-111) (au56)
1 6BG6-G $4.00 Sylvania 125% 7000 / 6000 used (L) green lettering - grid clip - dual bottom getters - ceramic spacers (au56)
1 6BG6-G $4.00 Sylvania 130% 6500 / 6000 used (L) green lettering - grid clip - dual bottom getters - ceramic spacers (au56)
1 6BG6-G $4.00 CBS 110% 6000 / 6000 used (L) dual side getters - ceramic spacers (cat:401-109) (au56)
1 6BG6-G $4.00 National Union 130% 6000 / 6000 used (L) grid clip - dual bottom getters - ceramic spacers (au56)
1 6BG6-G $4.00 Raytheon 110% 6000 / 6000 used (L) dual bottom getters - ceramic spacers (au56)
1 6BG6-G $4.00 RCA 130% 6500 / 6000 used (L) silver lettering - grid clip - dual bottom getters (cat:401-99) (au56)
1 6BG6-G $4.00 RCA 120% 7000 / 6000 used (L) silver lettering - dual side getters - ceramic spacers (cat:403-113-1) (au56)
1 6BG6-G $4.00 RCA 120% 6250 / 6000 used (L) silver lettering - grid clip - dual bottom getters (au56)
1 6BG6-G $4.00 RCA 115% 6500 / 6000 used (L) silver lettering - grid clip - dual bottom getters (au56)
1 6BG6-G $4.00 RCA 130% 6500 / 6000 used (L) red lettering - grid clip - dual bottom halo getters (au56)
1 6BG6-G $4.00 RCA 120% 6500 / 6000 used (L) red lettering - grid 'c' clip - dual bottom getters (au56)
1 6BG6-G $4.00 RCA 125% 7000 / 6000 used (L) silver lettering - grid clip - dual bottom getters (au56)
1 6BG6-G $4.00 RCA 125% 6500 / 6000 used (L) silver lettering - grid 'c' clip - dual bottom getters (au56)
1 6BG6-G $4.00 Ken-Rad 110% 5400 / 6000 used (L) grid clip - dual bottom 'D' getters - ceramic spacers (au56)
1 6BG6-G $4.00 Emerson 110% 6000 / 6000 used (L) dual bottom 'D' getters - grid clip - ceramic spacers - tripple mica (au56)
1 6BG6-G $4.00 Cunningham 110% 6000 / 6000 used (L) dual bottom 'D' getters - grid clip - ceramic spacers (au56)
1 6BG6-G $2.00 RCA 95% 5500 / 6000 used (L) silver lettering - grid clip - dual bottom getters (au56)
1 6BG6-G $2.00 Tung-Sol 90% 5000 / 6000 used (L) dual side 'D' getters - ceramic spacers (au56)
1 6BG6-G $2.00 SRL 100% 5400 / 6000 used (L) dual side 'D' getters - ceramic spacers (au56)
1 6BG6-G $1.00 Tung-Sol 105% 6000 / 6000 used (L) dual side getters - ceramic spacers (cat:403-110) - loose base (au56)
1 6BG6-G $1.00 Tung-Sol 100% 4500 / 6000 used (L) dual side getters - ceramic spacers (cat:403-103) - loose base (au56)
1 6BG6-G $1.00 Tung-Sol 110% 6000 / 6000 used (L) dual side 'D' getters - ceramic spacers - loose base (au56)
1 6BG6-G $1.00 Raytheon 120% 6000 / 6000 used (L) dual side 'D' getters - ceramic spacers - loose base (au56)
1 6BG6-G $1.00 Sylvania 130% 6500 / 6000 used leaky (200K) (L) dual bottom 'D' getters - grid clip - ceramic spacers - loose base (au56)
1 6BG6-G $1.00 RCA 90% 4800 / 6000 used (L) silver lettering - dual bottom 'D' getters - grid clip - ceramic spacers - tripple mica - loose base (au56)
1 6BG6-GA $6.00 Sylvania 120% 7000 / 6000 NOS (OB) yellow lettering - grid 'c' clip - dual side halo getters - screen grid fins
1 6BG6-GA $6.00 Sylvania 120% 7000 / 6000 NOS (OB) yellow lettering - grid 'c' clip - single side halo getter - screen grid fins
1 6BG6-GA $6.00 Sylvania 130% 6500 / 6000 NOS (OB) yellow lettering - grid clip - dual side 'D' getters
1 6BG6-GA $6.00 Sylvania 120% 7000 / 6000 NOS (OB) yellow lettering - grid 'c' clip - dual bottom halo getters
1 6BG6-GA $6.00 GE 110% 7500 / 6000 NOS (wb) white lettering - grid clip - dual side getters (au48)
1 6BG6-GA $6.00 Channel Master 120% 6500 / 6000 NOS (OB) grid 'c' clip - top halo getter - screen grid fins
1 6BG6-GA $6.00 Channel Master 130% 6500 / 6000 NOS (OB) grid 'c' clip - top halo getter - screen grid fins
1 6BG6-GA $6.00 Channel Master 130% 6500 / 6000 NOS (OB) grid 'c' clip - top halo getter - screen grid fins
1 6BG6-GA $6.00 Channel Master 130% 7000 / 6000 NOS (OB) grid 'c' clip - top halo getter - screen grid fins
1 6BG6-GA $6.00 Channel Master 130% 7000 / 6000 NOS (OB) grid 'c' clip - top halo getter - screen grid fins
1 6BG6-GA $6.00 Zenith 120% 6500 / 6000 NOS (OB) grid 'c' clip - dual side halo getters - screne grid fins (cat:403-73)
1 6BG6-GA $6.00 Zenith 120% 6250 / 6000 NOS (OB) grid clip - dual side 'D' getters
1 6BG6-GA $6.00 Westinghouse 120% 6500 / 6000 NOS (OB) grid 'c' clip - dual bottom getters - damaged box
1 6BG6-GA $6.00 Ratheon 130% 7000 / 6000 NOS (OB) grid 'c' clip - dual side halo getters - screen grid fins (cat:402-396)
1 6BG6-GA $6.00 Ratheon 110% 6500 / 6000 NOS (OB) grid clip - dual side getters
1 6BG6-GA $6.00 Ratheon 120% 6500 / 6000 NOS (OB) grid clip - dual side getters - water damaged box (cat:402-415-2)
1 6BG6-GA $6.00 Ratheon 120% 6500 / 6000 NOS (OB) grid clip - dual side getters - water damaged box (cat:402-415-3)
1 6BG6-GA $6.00 Ratheon 120% 6500 / 6000 NOS (OB) grid 'c' clip - dual bottom getters - water damaged box (cat:402-415-1)
1 6BG6-GA $6.00 Ratheon 120% 6500 / 6000 NOS (OB) grid 'c' clip - top halo getter
1 6BG6-GA $6.00 Ratheon 120% 6500 / 6000 NOS (OB) dual top 'D' getters (cat:402-414)
1 6BG6-GA $6.00 Ratheon 130% 7000 / 6000 NOS (OB) grid clip - dual side 'D' getters
1 6BG6-GA $4.00 GE 110% 5500 / 6000 used (wb) white lettering - grid clip - dual side getters
1 6BG6-GA $4.00 Sylvania 110% 6250 / 6000 used (rb) yellow lettering - grid 'c' clip - dual side 'D' getters - screen grid fins

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