MDB Ventures "G" Style Radio Tubes

Save on NOS and Used "G" Style Radio Tubes!

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Type: 6P5-G , 6P7-G , 6Q5-G , 884 , 6R7-G , 6S7-G , 6Q7-G , 6Q6-G , 6T7-G

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, subminature, metal, power, transmitter tubes and many more.

We have metal and glass GT versions of most tubes as well as the 'G' types listed here. Metal and GT styles are normally at lower prices due to the greater quantities available. If you need a metal or GT style tube, just send us an email and we will let you know what we have and the prices. We have both NOS and used tubes available for most of the tube numbers.
MDB Ventures "G" Style Radio Tubes
Quantity
Available 		Tube
Type 		Price
Each 		Tube
Brand 		Emission
Strength 		Mutual
Conductance
Description
Notes
1 6P5-G $30.00 Super Silvertone 115% 1700/1450Gm NOS (wb) (ST) pin 1 ground strap
1 6P5-G $25.00 Zenith 130% 1900/1450Gm NOS (wb) (ST) ---
1 6P5-G $15.00 Sparton 120% 1950/1450Gm used (rb) (ST) ---
1 6P5-G $12.00 Sylvania 100% 1600/1450Gm used (L) (ST) ---
1 6P5-G $12.00 Crosley by Ken-Rad 115% 1900/1450Gm used (L) (ST) ---
1 6P5-G $12.00 Super Silvertone 120% 1800/1450Gm used (L) (ST) ---
1 6P5-G $12.00 Super Silvertone 115% 1750/1450Gm used (L) (ST) ---
1 6P5-G $10.00 Super Silvertone 100% 1550/1450Gm used (L) (ST) ---
1 6P5-G $8.00 Super Silvertone 95% 1500/1450Gm used (L) (ST) ---
1 6P5-G $7.50 Super Silvertone 90% 1400/1450Gm used (L) (ST) ---
1 6P5-G $7.50 Super Silvertone 90% 1900/1450Gm used (L) (ST) ---
1 6P5-G $5.00 Super Silvertone 85% 1200/1450Gm used (L) (ST) ---
1 6P5-G $10.00 Zenith 105% 1650/1450Gm used (L) (ST) ---
1 6P5-G $7.50 Zenith 90% 1350/1450Gm used (L) (ST) ---
1 6P5-G $8.00 Wards Super Airline 95% 1350/1450Gm used (L) (ST) ---
1 6P5-G $8.00 Wizard 95% 1450/1450Gm used (L) (ST) ---
1 6P7-G $7.50 Zenith 120%/95% 1200:1100/400:500Gm used (rb) (ST) engraved base
1 6P7-G $7.50 Zenith 110%/100% 1200:1100/500:500Gm used (L) (ST) engraved base
1 6P7-G $7.50 Ken-Rad 120%/110% 1200:1100/500:500Gm used (L) (ST) JAN (cat:312-289)
1 6Q5-G $5.00 Dumont strikes at 15volts 15volts typical ST - NOS (OB) (H) round black plate - grid 'C' clip
1 6Q5-G $5.00 Dumont strikes at 15volts 15volts typical ST - NOS (OB) (H) round black plate - grid 'C' clip
1 6Q5-G $5.00 Dumont strikes at 16volts 15volts typical ST - NOS (OB) (H) round black plate - grid 'C' clip
1 6Q5-G $5.00 Dumont strikes at 16volts 15volts typical ST - NOS (OB) (H) round black plate - grid 'C' clip
1 6Q5-G $5.00 Dumont strikes at 14volts 15volts typical ST - NOS (OB) (H) round black plate - grid 'C' clip (cat:403-334)
1 6Q5-G $5.00 Dumont strikes at 12volts 15volts typical ST - NOS (OB) (H) round black plate - grid 'C' clip
1 6Q5-G $5.00 Dumont strikes at 18volts 15volts typical ST - NOS (OB) (H) round black plate - grid 'C' clip
1 6Q5-G $5.00 Dumont strikes at 18volts 15volts typical ST - NOS (OB) (H) round black plate - grid 'C' clip
1 6Q5-G $5.00 Dumont strikes at 18volts 15volts typical ST - NOS (OB) (H) round black plate - grid 'C' clip
1 6Q5-G $3.00 Dumont strikes at 16volts 15volts typical ST - used (L) (H) round black plate - grid 'C' clip
1 6Q5-G $3.00 Dumont strikes at 18volts 15volts typical ST - used (L) (H) round black plate - grid 'C' clip
1 6Q5-G $3.00 Dumont strikes at 19volts 15volts typical ST - used (L) (H) round black plate - grid 'C' clip
1 6Q5-G $2.00 Dumont strikes at 15volts 15volts typical ST - used (L) (H) round black plate - grid 'C' clip - loose base - some corrosion on pins
1 6Q5-G/884 $5.00 Dumont strikes at 24volts 15volts 6Q5 spec (884 spec 24V) ST - NOS (OB) (H) winged silver plate (884 marked and sold as 6Q5)
1 6Q5-G/884 $5.00 Dumont strikes at 26volts 15volts 6Q5 spec (884 spec 24V) ST - NOS (OB) (H) winged silver plate (884 marked and sold as 6Q5)
1 6Q7-G $12.00 Sylvania 120%: diodes 140%/100% 1100/800Gm NOS (OB) (ST) ---
1 6Q7-G $10.00 Sylvania 120%: diodes 130%/130% 1050/800Gm NOS (wb) (ST) ---
1 6Q7-G $10.00 Raytheon 120%: diodes 120%/120%1000/800Gm NOS (OB) (ST) ---
1 6Q7-G $10.00 Ken-Rad 100%: diodes 120%/100% 850/800Gm used (wb) (ST) pin 1 ground strap
1 6Q7-G/VT-92A $8.00 Raytheon 130%: diodes 90%/120% 1100/800Gm used (rb) (ST) ---
1 6Q7-G $8.00 Zenith 140%: diodes 115%/120% 1050/800Gm used (wb) (ST) engraved base - gray coat
1 6Q7-G $8.00 Philco 110%: diodes 150%/150% 850/800Gm used (wb) (ST) engraved base
1 6Q7-G $8.00 RCA 130%: diodes 110%/100% 1200/800Gm used (wb) (ST) ---
1 6Q7-G $8.00 GE 120%: diodes 100%/75% 1000/800Gm used (wb) (ST) ---
1 6Q7-G $8.00 GE 150%: diodes 140%/152% 1250/800Gm used (rb) (ST) ---
1 6Q7-G $8.00 Raytheon 120%: diodes 130%/85% 1100/800Gm used (wb) (ST) ---
1 6Q7-G $8.00 Sylvania 140%: diodes 100%/110% 1100/800Gm used (wb) (ST) ---
1 6Q7-G $8.00 Sylvania 140%: diodes 140%/120% 1100/800Gm used (wb) (ST) ---
1 6Q7-G $8.00 Howard 120%: diodes 120%/140% 1050/800Gm used (wb) (ST) ---
1 6Q7-G $8.00 GM 130%: diodes 140%/130% 950/800Gm used (wb) (ST) engraved base
1 6Q7-G $7.50 Ken-Rad 130%: diodes 100%/120% 850/800Gm used (rb) (ST) engraved base
1 6Q7-G $8.00 GM 110%: diodes 110%/90% 800/800Gm used (L) (ST) engraved base
1 6Q7-G $7.50 National Union 140%: diodes 110%/140% 1000/800Gm used (L) (ST) ---
1 6Q7-G $7.50 Zenith 120%: diodes 100%/90% 800/800Gm used (L) (ST) ---
1 6Q7-G $7.50 Super Silvertone 140%: diodes 120%/130% 900/800Gm used (L) (ST) ---
1 6Q7-G $7.50 Super Silvertone 90%: diodes 90%/140% 600/800Gm used (L) (ST) ---
1 6Q7-G $7.50 Super Silvertone 120%: diodes 80%/110% 950/800Gm used (L) (ST) ---
1 6Q7-G $7.50 Super Silvertone 120%: diodes 80%/80% 800/800Gm used (L) (ST) engraved base
1 6Q7-G $7.50 Super Silvertone 115%: diodes 120%/120% 900/800Gm used (L) (ST) ---
1 6Q7-G $7.50 Super Silvertone 130%: diodes 120%/140% 800/800Gm used (L) (ST) ---
1 6Q7-G $7.50 Super Silvertone 130%: diodes 140%/70% 1050/800Gm used (L) (ST) ---
1 6Q7-G $7.50 Sylvania 95%: diodes 95%/150% 800/800Gm used (L) (ST) ---
1 6Q7-G $7.50 Sylvania 120%: diodes 80%/120% 1000/800Gm used (L) (ST) ---
1 6Q7-G $7.50 Sylvania 100%: diodes 105%/100% 850/800Gm used (L) (ST) ---
1 6Q7-G $7.50 Sylvania 150%: diodes 100%/130% 1100/800Gm used (L) (ST) ---
1 6Q7-G $7.50 Sylvania 130%: diodes 110%/110% 850/800Gm used (L) (ST) ---
1 6Q7-G $7.50 Sylvania 120%: diodes 110%/120% 1000/800Gm used (L) (ST) ---
1 6Q7-G $7.50 Sylvania 100%: diodes 100%/120% 750/800Gm used (L) (ST) ---
1 6Q7-G $7.50 Sylvania 100%: diodes 140%/110% 950/800Gm used (L) (ST) ---
1 6Q7-G $7.50 Sylvania 110%: diodes 80%/110% 900/800Gm used (L) (ST) ---
1 6Q7-G $7.50 Sylvania 130%: diodes 100%/120% 900/800Gm used (L) (ST) engraved base - gray coat
1 6Q7-G $7.50 Sylvania 100%: diodes 110%/130% 800/800Gm used (L) (ST) ---
1 6Q7-G $7.50 Philco 150%: diodes 80%/120% 1300/800Gm used (L) (ST) gray coat - engraved base
1 6Q7-G $7.50 Philco 120%: diodes 80%/120% 850/800Gm used (L) (ST) gray coat - engraved base
1 6Q7-G $7.50 Philco 120%: diodes 120%/120% 950/800Gm used (L) (ST) ---
1 6Q7-G $7.50 Philco 130%: diodes 80%/120% 1150/800Gm used (L) (ST) ---
1 6Q7-G $7.50 RCA 120%: diodes 120%/130% 900/800Gm used (L) (ST) ---
1 6Q7-G $7.50 RCA 100%: diodes 110%/110% 1100/800Gm used (L) (ST) ---
1 6Q7-G $7.50 RCA 120%: diodes 90%/110% 1000/800Gm used (L) (ST) ---
1 6Q7-G $7.50 RCA Victor 140%: diodes 150%/80% 1000/800Gm used (L) (ST) ---
1 6Q7-G $7.50 Ken-Rad 130%: diodes 160%/110% 900/800Gm used (L) (ST) ---
1 6Q7-G $7.50 Ken-Rad 100%: diodes 105%/120% 800/800Gm used (L) (ST) ---
1 6Q7-G $7.50 Ken-Rad 130%: diodes 130%/130% 950/800Gm used (L) (ST) engraved base
1 6Q7-G $7.50 Firestone Air Chief by Ken-Rad 85%: diodes 200%/100% 750/800Gm used (L) (ST) ---
1 6Q7-G $7.50 Delco 110%: diodes 100%/100% 800/800Gm used (L) (ST) ---
1 6Q7-G $7.50 Wizard 90%: diodes 130%/80% 650/800Gm used (L) (ST) ---
1 6Q7-G $7.50 Wizard 120%: diodes 140%/100% 800/800Gm used (L) (ST) ---
1 6Q7-G $7.50 Zenith 130%: diodes 150%/140% 900/800Gm used (L) (ST) engraved base
1 6Q7-G $7.50 Zenith 120%: diodes 110%/90% 950/800Gm used (L) (ST) ---
1 6Q7-G $7.50 Zenith 110%: diodes 120%/90% 1000/800Gm used (L) (ST) engraved base - gray coat
1 6Q7-G $7.50 Wards Super Airline 140%: diodes 120%/110% 1100/800Gm used (L) (ST) ---
1 6Q7-G $7.50 National Union 140%: diodes 90%/120% 1100/800Gm used (L) (ST) ---
1 6Q7-G $7.50 National Union 110%: diodes 120%/80% 950/800Gm used (L) (ST) ---
1 6Q7-G $5.00 Sparton 120%: diodes 100%/75% 900/800Gm used (L) (ST) gray coat - engraved base
1 6R7-G/VT-88A $8.00 Sylvania 120% diodes:110%/110% 1900:1900Gm NOS (OB) (ST) clear glass - winged round black plate - US Army - damaged box
1 6R7-G/VT-88A $9.00 Sylvania untested heater ok NOS (OB) (ST) sealed in box
1 6R7-G $7.50 Sylvania untested heater ok NOS (OB) (ST) sealed in box
1 6R7-G $7.50 Sylvania untested heater ok NOS (OB) (ST) sealed in box
1 6R7-G $7.50 RCA Victor untested heater ok NOS (OB) (ST) sealed in box - water damaged box
1 6R7-G $6.00 Super Silvertone 110% diodes:100%/100% 2100:1900Gm used (L) (ST) clear glass - winged round black plate - pin 1 ground strap (pl)
1 6R7-G $6.00 GM 130% diodes:110%/120% 2200:1900Gm used (L) (ST) clear glass - rectangular ribbed black plate - pin 1 ground strap
1 6R7-G $5.00 GM 130% diodes:115%/110% 2250:1900Gm used (L) (ST) clear glass - rectangular ribbed black plate - engraved base
1 6R7-G $5.00 GM 110% diodes:110%/110% 1900:1900Gm used (L) (ST) clear glass - rectangular ribbed black plate - engraved base
1 6R7-G $5.00 GM 130% diodes:115%/115% 2250:1900Gm used (L) (ST) clear glass - rectangular ribbed black plate - engraved base
1 6R7-G $5.00 GM 130% diodes:120%/120% 2350:1900Gm used (L) (ST) clear glass - rectangular ribbed black plate - engraved base
1 6R7-G $5.00 GM 115% diodes:120%/120% 2100:1900Gm used (L) (ST) clear glass - rectangular ribbed black plate - engraved base
1 6R7-G $5.00 GM 130% diodes:110%/110% 2050:1900Gm used (L) (ST) clear glass - rectangular ribbed black plate
1 6R7-G $5.00 GM 130% diodes:110%/110% 2100:1900Gm used (L) (ST) clear glass - rectangular ribbed black plate
1 6R7-G $5.00 GM 140% diodes:115%/115% 2300:1900Gm used (L) (ST) clear glass - rectangular ribbed black plate
1 6R7-G $5.00 GM 150% diodes:115%/115% 2650:1900Gm used (L) (ST) clear glass - rectangular ribbed black plate (cat:312-386)
1 6R7-G $5.00 GM 115% diodes:110%/105% 1850:1900Gm used (L) (ST) clear glass - rectangular ribbed black plate
1 6R7-G $5.00 GM 115% diodes:110%/100% 1850:1900Gm used (L) (ST) clear glass - winged round black plate
1 6R7-G $5.00 Sparton 110% diodes:105%/110%1950:1900Gm used (L) (ST) gray coat - round black plate
1 6R7-G $5.00 Sylvania 120% diodes:110%/110% 2100:1900Gm used (L) (ST) clear glass - winged round black plate
1 6R7-G $5.00 Delco 130% diodes:115%/110% 2000:1900Gm used (L) (ST) clear glass - winged round black plate
1 6R7-G $5.00 GE 140% diodes:110%/110% 2500:1900Gm used (L) (ST) clear glass - rectangular ribbed black plate
1 6R7-G $4.00 National Union 115% diodes:105%/95% 1900:1900Gm used (L) (ST) clear glass - winged round black plate - engraved base
1 6R7-G $2.50 GM 90% diodes:110%/100% 1700:1900Gm used (L) (ST) clear glass - rectangular ribbed black plate
1 6R7-G $2.00 Sparton 130% diodes:110%/100% 2300:1900Gm used leaky (5M) (L) (ST) gray coat - round black plate
1 6R7-G $1.00 Sylvania 60% diodes:110%/110% 1050:1900Gm used (L) (ST) clear glass - winged round black plate
1 6R7-G $1.00 Philco 60% diodes:110%/110% 2200:1900Gm used (L) (ST) clear glass - winged round black plate
1 6S7-G $6.00 CBS 120% 1900:1250Gm NOS (OB) (ST) gray coat
1 6S7-G $6.00 Sylvania 130% 2000:1250Gm NOS (OB) (ST) gray coat
1 6S7-G $6.00 Sylvania 150% 2050:1250Gm NOS (wb) (ST) gray coat - engraved base
1 6S7-G $6.00 National Union 130% 2000:1250Gm NOS (OB) (ST) gray coat - damaged box
1 6S7-G $6.00 National Union 120% 2000:1250Gm NOS (OB) (ST) gray coat
1 6S7-G $6.00 National Union 120% 2000:1250Gm NOS (OB) (ST) gray coat
1 6S7-G $6.00 National Union 110% 1600:1250Gm NOS (OB) (ST) ---
1 6S7-G $4.00 Ken-Rad 110% 1900:1250Gm used (L) (ST) black
1 6S7-G $4.00 Ken-Rad 130% 2250:1250Gm used (L) (ST) black
1 6S7-G $2.50 Ken-Rad 90% 1600:1250Gm used (L) (ST) black
1 6S7-G $3.00 Zenith 100% 1600:1250Gm used (L) (ST) gray coat - engraved base
1 6S7-G $2.50 Zenith 95% 1600:1250Gm used (L) (ST) gray coat - engraved base
1 6S7-G $4.00 Sylvania 130% 1950:1250Gm used (L) (ST) gray coat - engraved base
1 6S7-G $2.50 Sylvania 90% 1500:1250Gm used (L) (ST) gray coat
1 6S7-G $2.50 unknown 110% 1900:1250Gm used (L) (ST) black coat (Ken-Rad?)
1 6S7-G $1.00 Raytheon 120% 1800:1250Gm used leaky (5M) (L) (ST) gray coat - label
1 6Q6-G/6T7-G $12.00 Super SIlvertone 150% diodes:120%/110% 1100:500Gm NOS (OB) (ST) clear glass - ribbed round silver plate - engraved base (pl)
1 6Q6-G/6T7-G $8.00 Triad 130% diodes:120%/125% 900:500Gm NOS (OB) (ST) clear glass - winged round black plate - damaged box
1 6Q6-G/6T7-G $8.00 Raytheon 130% diodes:110%/110% 900:500Gm NOS (OB) (ST) sealed in box
1 6T7-G $7.50 RCA 140% diodes:110%/110% 1100:500Gm NOS (OB) (ST) clear glass - winged round black plate
1 6T7-G $7.50 Sylvania 150% diodes:120%/120% 1000:500Gm NOS (OB) (ST) gray coat - round black plate
1 6T7-G $5.00 RCA 140% diodes:110%/110% 1000:500Gm used (rb) (ST) clear glass - winged round black plate
1 6T7-G $5.00 Sylvania 150% diodes:130%/130% 1000:500Gm used (L) (ST) gray coat - round black plate
1 6T7-G $5.00 Sylvania 150% diodes:110%/110% 1100:500Gm used (L) (ST) gray coat - round black plate
1 6T7-G $5.00 Zenith 120% diodes:100%/110% 700:500Gm used (L) (ST) gray coat - round black plate - engraved base
1 6T7-G $5.00 Zenith 140% diodes:110%/110% 950:500Gm used (L) (ST) clear glass - round black plate - engraved base
1 6T7-G $5.00 Wards Super Airline 120% diodes:120%/120% 950:500Gm used (L) (ST) clear glass - winged round black plate
1 6T7-G $4.00 Tung-Sol 100% diodes:120%/120% 650:500Gm used (L) (ST) clear glass - winged round black plate
1 6T7-G $1.00 Zenith 70% diodes:120%/120% 500:500Gm used (L) (ST) clear glass - winged round black plate (cat:312-315)

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, TT=Tall Tubular Style, GT=GT Style, 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 "G" Style Radio 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.

Contact MDB Ventures sales@mdbventures.com

Due to the highly volatile nature of the tube business, all Prices are subject to change without notice.

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