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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 6CD6-G $5.00 National Union 110% 6750 / 6500 used (rb) (ST) bottom 'D' getter - dual section single plate
1 6CD6-G $4.00 Philco 120% 6500 / 6500 used leaky (1M) (L) (ST) dual bottom 'D' getter - dual section single plate
1 6CD6-G $2.00 Emerson 80% 6500 / 6500 used (L) (ST) dual bottom 'D' getter - dual section single plate - loose cap
1 6CD6-G $1.00 Philco 40% 6000 / 6500 used leaky (1M) (L) (ST) dual bottom 'D' getter - dual section single plate
1 6CD6-G $1.00 RCA 50% 4000 / 6500 used (L) (ST) dual bottom 'D' getter - dual section single plate
1 6CD6-G $3.00 Raytheon 120% 6500 / 6500 used (wb) (ST) bottom 'D' getter - grid clip
1 6CD6-G $3.00 Raytheon 120% 7000 / 6500 used (rb) (ST) bottom 'D' getter - grid clip
1 6CD6-G $3.00 GE 110% 7500 / 6500 used (rb) (ST) dual bottom 'D' getters - grid clip
1 6CD6-G $3.00 GE 120% 7500 / 6500 used (wb) (ST) dual bottom 'D' getters - grid clip (cat:312-257)
1 6CD6-G $3.00 RCA 110% 7000 / 6500 used (L) (ST) dual bottom 'D' getters - grid clip
1 6CD6-G $3.00 Raytheon 110% 6500 / 6500 used (L) (ST) bottom 'D' getter - grid clip
1 6CD6-G $3.00 Raytheon 110% 7500 / 6500 used (L) (ST) bottom 'D' getter - grid clip - loose cap (cat:401-515)
1 6CD6-G $3.00 CBS 110% 7750 / 6500 used (L) (ST) dual bottom 'D' getter - holes in plate sides
1 6CD6-G $3.00 Sylvania 130% 7500 / 6500 used (L) (ST) green lettering - bottom 'D' getter - grid clip
1 6CD6-G $3.00 Rad-Tel 90% 6000 / 6500 used (L) (ST) bottom 'D' getter
1 6CD6-GA $2.00 RCA 100% 7500 / 6500 used (OB) red lettering - side halo getter
1 6CD6-GA $2.00 RCA 100% 7000 / 6500 used (OB) red lettering - side halo getter
1 6CD6-GA $2.00 RCA 100% 6000 / 6500 used (OB) red lettering - side halo getter
1 6CD6-GA $2.50 Raytheon 110% 7500 / 6500 used (rb) dual side 'D' getters - grid clip - screen grid fins
1 6CD6-GA $2.50 Sylvania 120% 7500 / 6500 used (wb) green lettering - dual side halo getters - grid clip - screen grid fin
1 6CD6-GA $2.50 Sylvania 120% 6500 / 6500 used (wb) green lettering - dual side halo getters - grid clip - screen grid fin
1 6CD6-GA $2.50 Sylvania 120% 7000 / 6500 used (wb) green lettering - dual side halo getters - grid clip - screen grid fin
1 6CD6-GA $2.50 Sylvania 120% 6000 / 6500 used (wb) green lettering - dual side halo getters - grid clip - screen grid fin
1 6CD6-GA $2.50 Sylvania 130% 7000 / 6500 used (wb) green lettering - dual side halo getters - grid clip - screen grid fin
1 6CD6-GA $2.50 Sylvania 130% 7500 / 6500 used (wb) green lettering - dual side halo getters - grid clip - screen grid fin
1 6CD6-GA $2.50 Sylvania 130% 6500 / 6500 used (wb) green lettering - dual side halo getters - grid clip - screen grid fin
1 6CD6-GA $2.50 Sylvania 130% 7250 / 6500 used (wb) green lettering - dual side halo getters - grid clip - screen grid fin
1 6CD6-GA $2.50 Sylvania 130% 6750 / 6500 used (wb) green lettering - dual side halo getters - grid clip - screen grid fin
1 6CD6-GA $2.50 Sylvania 120% 6500 / 6500 used (wb) green lettering - dual side halo getters - grid clip - screen grid fin
1 6CD6-GA $2.50 Sylvania 120% 8000 / 6500 used (wb) green lettering - dual side halo getters - grid clip - screen grid fin
1 6CD6-GA $2.50 Sylvania 120% 6750 / 6500 used (wb) green lettering - dual side halo getters - grid clip - screen grid fin
1 6CD6-GA $2.50 Sylvania 110% 6000 / 6500 used (wb) green lettering - dual side halo getters - grid clip - screen grid fin
1 6CD6-GA $2.50 Sylvania 110% 6500 / 6500 used (wb) green lettering - dual side halo getters - grid clip - screen grid fin
1 6CD6-GA $2.50 Sylvania 110% 7000 / 6500 used (wb) green lettering - dual side halo getters - grid clip - screen grid fin
1 6CD6-GA $2.50 Sylvania 110% 6000 / 6500 used (wb) green lettering - dual side halo getters - grid clip - screen grid fin
1 6CD6-GA $2.00 Sylvania 100% 7250 / 6500 used (wb) green lettering - dual side halo getters - grid clip - screen grid fin
1 6CD6-GA $2.00 unknown (Sylvnia?) 130% 7500 / 6500 used (wb) green lettering - dual side halo getters - grid clip - screen grid fin
1 6CD6-GA $2.50 RCA 110% 7750 / 6500 used (wb) red lettering - side halo getter
1 6CD6-GA $2.50 RCA 120% 6500 / 6500 used (wb) red lettering - side halo getter
1 6CD6-GA $2.50 RCA 110% 6250 / 6500 used (wb) red lettering - side halo getter
1 6CD6-GA $2.50 RCA 110% 7000 / 6500 used (wb) red lettering - side halo getter
1 6CD6-GA $2.50 Raytheon 130% 8000 / 6500 used (wb) red lettering - dual side 'D' getters - grid clip - screen grid fins
1 6CD6-GA $2.50 Motorola 120% 7000 / 6500 used (wb) dual top 'D' getters - screen grid fins
1 6CD6-G $1.00 GE 130% 6500 / 6500 used (ob) (ST) white lettering - dual side 'D' getters - grid clip
1 6CD6-G $1.00 Sylvania 90% 6500 / 6500 used (rb) (ST) green lettering - dual bottom 'D' getters - grid clip - dual heaters (au48)
1 6CD6-G $1.00 Sylvania 90% 8500 / 6500 used (rb) (ST) green lettering - dual bottom 'D' getters - grid clip - dual heaters (au48)
1 6CD6-G $0.50 RCA 90% 8500 / 6500 used (L) (ST) silver lettering - dual bottom 'D' getters - grid clip - loose cap (au48)
1 6CD6-G $0.50 RCA 90% 000 / 6500 used (L) (ST) silver lettering - dual bottom 'D' getters - grid clip - dual heaters - loose base - loose cap (au48)
1 6CD6-G $0.50 Westinghouse 90% 8000 / 6500 used (L) (ST) dual bottom 'D' getters - grid clip - dual heaters - loose cap (au48)
1 6CD6-G $0.50 CBS / Hytron 90% 9000 / 6500 used (L) (ST) dual bottom 'D' getters - loose base (au48)
1 6CD6-G $0.50 Viking 90% 8500 / 6500 used (L) (ST) dual bottom 'D' getters - grid clip - dual heaters - loose base - loose cap (au48)
1 6CD6-G $0.50 Brimar 90% 9000 / 6500 used leaky (1M) (L) (ST) dual bottom halo getters - dual heaters - loose base (au48)
1 6CD6-GA $1.00 RCA 100% 7500 / 6500 used (rb) (ST) red lettering - dual top 'D' getters (au48)
1 6DN6 $5.00 Raytheon 120% 7000 / 6500 NOS (OB) dual side 'D' getters - grid clip - screen grid fins
1 6DN6 $5.00 Raytheon 110% 7000 / 6500 NOS (OB) side getter - grid clip - screen grid fins
1 6DN6 $5.00 Raytheon 110% 6500 / 6500 NOS (OB) side halo getter - grid clip - screen grid fins
1 6DN6 $5.00 Raytheon 120% 7000 / 6500 NOS (OB) side getter - grid clip - screen grid fins
1 6DN6 $5.00 Raytheon 130% 8000 / 6500 NOS (OB) side getter - grid clip - screen grid fins
1 6DN6 $5.00 Raytheon 120% 6500 / 6500 NOS (OB) side halo getter - grid clip - screen grid fins (cat:403-214)
1 6DN6 $5.00 RCA 110% 8000 / 6500 NOS (OB) red lettering - side halo getter
1 6DN6 $5.00 RCA 120% 7000 / 6500 NOS (OB) red lettering - side halo getter (cat:403-217)
1 6DN6 $5.00 RCA 110% 8000 / 6500 NOS (OB) red lettering - side halo getter
1 6DN6 $5.00 Philco 120% 6500 / 6500 NOS (OB) dual side 'D' getters - grid clip screen grid fins
1 6DN6 $5.00 Philco 120% 7000 / 6500 NOS (OB) dual side 'D' getters - grid clip screen grid fins - damaged box
1 6DN6 $5.00 Zenith 130% 7000 / 6500 NOS (OB) side getter - grid clip - screen grid fins
1 6DN6 $5.00 Sylvania 120% 7000 / 6500 NOS (OB) yellow lettering - side getter - grid clip - screen grid fins
1 6DN6 $5.00 Sylvania 120% 7500 / 6500 NOS (OB) yellow lettering - side getter - grid clip - screen grid fins
1 6DN6 $5.00 Sylvania 110% 7000 / 6500 NOS (OB) yellow lettering - side getter - grid clip - screen grid fins
1 6DN6 $5.00 Sylvania 110% 7500 / 6500 NOS (OB) yellow lettering - dual side halo getters - grid clip - screen grid fin
1 6DN6 $5.00 Sylvania 110% 6500 / 6500 NOS (OB) yellow lettering - dual side halo getters - grid clip - screen grid fin
1 6DN6 $5.00 Sylvania 110% 7000 / 6500 NOS (wb) yellow lettering - dual side getters - grid clip - screen grid fin
1 6DN6 $2.50 Sylvania 110% 8000 / 6500 used (OB) yellow lettering - side getter - grid clip - screen grid fins
1 6DN6 $2.00 RCA 100% 8000 / 6500 used (OB) side halo getter (cat:403-216)
1 6DN6 $1.00 RCA 120% 5000 / 6500 used (OB) side halo getter (cat:403-184)

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