MDB Ventures "G" Style Radio Vacuum Tubes


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MDB Ventures "G" Style Radio Tubes
Qty
Avail
Tube
Type
Price
Each
Tube
Brand
Emission
Strength
Mutual
Conduct

Desc

Notes
1 6V7-G $5.00 Philco 100% diodes: 110% / 110% 1250 / 975Gm NOS (OB) (ST) sealed in box
1 6V7-G $5.00 Super Silvertone 100% diodes: 115% / 120% 1150 / 975Gm NOS (OB) (ST) ---
1 6V7-G $5.00 RCA 130% diodes: 115% / 120% 1350 / 975Gm NOS (OB) (ST) (cat:403-97) damaged box
1 6V7-G $3.00 Wards Super Airline 110% diodes: 120% / 120% 1050 / 975Gm used (L) (ST) ---
1 6V7-G $1.00 Raytheon 140% diodes: 120% / 120% 1300 / 975Gm used leaky (1M) (L) (ST) ---
1 6W3-G $10.00 National Union 110% --- NOS (OB) (ST) small cap
1 6W3-G $10.00 National Union 110% --- NOS (OB) (ST) small cap
1 6W3-G $10.00 National Union 110% --- NOS (OB) (ST) large cap
1 6W5-G $10.00 Raytheon 100% / 100% --- used (wb) (ST) ---
1 6W7-G $6.00 Sylvania 140% 1900 / 1225Gm NOS (OB) (ST) ---
1 6W7-G $6.00 RCA Victor 110% 1500 / 1225Gm NOS (OB) (ST) ---
1 6W7-G $6.00 RCA Victor 110% 1500 / 1225Gm NOS (wb) (ST) ---
1 6W7-G $6.00 RCA 110% 1500 / 1225Gm NOS (OB) (ST) ---
1 6W7-G $6.00 Philco 110% 1500 / 1225Gm NOS (OB) (ST) ---
1 6W7-G $6.00 Philco 110% 1500 / 1225Gm NOS (OB) (ST) missing box flap
1 6Z7-G $10.00 National Union 110% / 110% 1300: 1350 / 1200Gm NOS (OB) (ST) round black plates - gray coat
1 6Z7-G $10.00 National Union 110% / 110% 1350: 1300 / 1200Gm NOS (OB) (ST) round black plates - gray coat
1 6Z7-G $10.00 Sylvania 115% / 115% 1300: 1350 / 1200Gm NOS (OB) (ST) round black plates - gray coat - torn box flap
1 6Z7-G $10.00 Sylvania 115% / 115% 1300: 1400 / 1200Gm NOS (wb) (ST) round black plates - gray coat
1 6Z7-G $7.50 Raytheon 100% / 110% 1300: 1450 / 1200Gm used (wb) (ST) round black plates - clear glass - US Navy
1 6Z7-G $5.00 GM 100% / 115% 1200: 1300 / 1200Gm used (wb) (ST) round black plates - clear glass
1 6Z7-G $5.00 RCA Victor 100% / 100% 1200: 1200 / 1200Gm used (rb) (ST) round black plates - gray coat
1 6ZY5-G $6.00 Philco 120% / 120% --- NOS (wb) (ST) ---
1 6ZY5-G $6.00 Sylvania 110% / 130% --- NOS (OB) (ST) ---
1 6ZY5-G $6.00 Sylvania 140% / 130% --- NOS (OB) (ST) ---
1 6ZY5-G $6.00 Sylvania 140% / 140% --- NOS (OB) (ST) ---
1 6ZY5-G $6.00 Sylvania 140% / 110% --- NOS (OB) (ST) ---
1 6ZY5-G $6.00 National Union 120% / 120% --- NOS (OB) (ST) damaged box
1 6ZY5-G $6.00 Super Silvertone 130% / 130% --- NOS (OB) (ST) engraved base - missing box flap
1 6ZY5-G $3.00 Sylvania 100% / 105% --- used (L) (ST) ---
1 6ZY5-G $3.00 RCA 100% / 105% --- used (L) (ST) ---
1 6ZY5-G $3.00 Zenith 100% / 100% --- used (L) (ST) engraved base
1 6ZY5-G $3.00 Cunningham 110% / 110% --- used (L) (ST) ---
1 6ZY5-G $2.00 Wizard 90% / 100% --- used (L) (ST) ---
1 6ZY5-G $2.00 Wards Super Airline 100% / 90% --- used (rb) (ST) ---
1 6ZY5-G $2.00 Wards Super Airline 95% / 90% --- used (L) (ST) pin 1 ground strap
1 6ZY5-G $2.00 Wards Super Airline 90% / 90% --- used (L) (ST) pin 1 ground strap
1 6ZY5-G $2.00 Sylvania 90% / 85% --- used (L) (ST) (pl)
1 12A8-G $5.00 Sylvania 150% / 110% 1550 / 1000: 650 / 300Gm NOS (OB) (ST) ---
1 12A8-G $5.00 Sylvania 140% / 100% 1450 / 1000: 550 / 300Gm NOS (OB) (ST) ---
1 12A8-G $5.00 Sylvania 140% / 120% 1450 / 1000: 700 / 300Gm NOS (OB) (ST) ---
1 12A8-G $2.50 Zenith 120% / 100% 1350 / 1000: 500 / 300Gm used (L) (ST) ---
1 12A8-G $1.00 National Union 70% / 110% 1000 / 1000: 350 / 300Gm used (L) (ST) ---
1 12B6-G $10.00 Rogers 90%: diodes 120% / 120% 600 / 750Gm used (wb) (ST) ---
1 12J7-G $5.00 Zenith 115% 1100 / 1225Gm used (rb) (ST) ---
1 12J7-G $5.00 Zenith 130% 1250 / 1225Gm used (L) (ST) ---
1 12J7-G $5.00 Philco 125% 1300 / 1225Gm used (L) (ST) ---
1 12K7-G $5.00 Zenith 130% 1900 / 1450Gm NOS (wb) (ST) ---
1 12K7-G $5.00 CBS 120% 1600 / 1450Gm NOS (OB) (ST) torn box flap
1 12K7-G $5.00 Sylvania 120% 1700 / 1450Gm NOS (wb) (ST) ---
1 12K7-G $5.00 Sylvania 120% 1650 / 1450Gm NOS (OB) (ST) damaged box
1 12K7-G $5.00 Sylvania 130% 1850 / 1450Gm NOS (OB) (ST) ---
1 12K7-G $3.50 Zenith 110% 1600 / 1450Gm used (rb) (ST) ---
1 12K7-G $3.50 Sylvania 110% 1500 / 1450Gm used (rb) (ST) ---
1 12K7-G $2.50 Zenith 125% 1850 / 1450Gm used (L) (ST) ---
1 12K7-G $2.50 Zenith 130% 1700 / 1450Gm used (L) (ST) ---
1 12K7-G $2.50 Zenith 120% 1750 / 1450Gm used (L) (ST) ---
1 12K7-G $2.50 Zenith 100% 1450 / 1450Gm used (L) (ST) ---
1 12K7-G $1.00 Zenith 70% 950 / 1450Gm used (L) (ST) cat:312-391
1 12Q7-G $5.00 Sylvania 120% diodes: 100% / 110% 1000 / 800Gm NOS (OB) (ST) damaged box
1 12Q7-G $5.00 Sylvania 140% diodes: 110% / 110% 1000 / 800Gm NOS (OB) (ST) damaged box
1 12Q7-G $5.00 Sylvania 130% diodes: 110% / 110% 1000 / 800Gm NOS (OB) (ST) ---
1 12Q7-G $5.00 Sylvania 140% diodes: 110% / 120% 1100 / 800Gm NOS (OB) (ST) ---
1 12Q7-G $3.50 Philco 130% diodes: 150% / 150% 900 / 800Gm used (L) (ST) ---
1 12Q7-G $3.50 Zenith 130% diodes: 130% / 140% 1000 / 800Gm used (L) (ST) (cat:401-225)
1 12Q7-G $3.50 Zenith 115% diodes: 140% / 130% 900 / 800Gm used (L) (ST) ---
1 12Q7-G $3.50 Zenith 150% diodes: 120% / 150% 1200 / 800Gm used (L) (ST) ---
1 12SA7-G $10.00 Zenith 140% / 140% 3900 / 3000Gm used (L) (ST) ---
1 12SA7-G $10.00 Zenith 130% / 150% 3900 / 3000Gm used (L) (ST) ---
1 12SA7-G $10.00 Zenith 140% / 150% 3800 / 3000Gm used (L) (ST) ---
1 12SA7-G $10.00 Zenith 120% / 150% 4200 / 3000Gm used (L) (ST) ---
1 12SA7-G $10.00 Zenith 100% / 140% 3000 / 3000Gm used (L) (ST) ---
1 12SA7-G $5.00 Zenith 80% / 150% 3100 / 3000Gm used (L) (ST) ---
1 12SA7-G $5.00 Micro Electron 110% / 125% 3200 / 3000Gm used (L) (ST) ---
1 35Z6-G $10.00 National Union 120% / 120% --- NOS (OB) (ST) ---
1 35Z6-G $10.00 National Union 120% / 120% --- NOS (OB) (ST) ---
1 35Z6-G $10.00 National Union 120% / 120% --- NOS (OB) (ST) ---
1 35Z6-G $10.00 National Union 120% / 120% --- NOS (OB) (ST) ---
1 35Z6-G $10.00 National Union 120% / 120% --- NOS (OB) (ST) ---
1 35Z6-G $10.00 National Union 120% / 120% --- NOS (OB) (ST) ---
1 35Z6-G $10.00 National Union 120% / 120% --- NOS (OB) (ST) ---
1 35Z6-G $10.00 National Union 120% / 120% --- NOS (OB) (ST) ---
1 35Z6-G $10.00 National Union 120% / 120% --- NOS (OB) (ST) ---
1 35Z6-G $10.00 National Union 120% / 120% --- NOS (OB) (ST) ---
1 35Z6-G $10.00 National Union 120% / 120% --- NOS (wb) (ST) ---
1 35Z6-G $10.00 GE 110% / 110% --- NOS (OB) (ST) ---
1 35Z6-G $10.00 Raytheon 120% / 120% --- NOS (OB) (ST) ---
1 35Z6-G $10.00 Raytheon 130% / 130% --- NOS (ob) (ST) damaged box
1 35Z6-G $6.00 GE 120% / 120% --- used (rb) (ST) ---
1 35Z6-G $6.00 National Union 110% / 110% --- used (L) (ST) ---
1 35Z6-G $6.00 National Union 110% / 110% --- used (L) (ST) ---
1 35Z6-G $6.00 National Union 110% / 110% --- used (L) (ST) ---
1 35Z6-G $6.00 National Union 115% / 110% --- used (L) (ST) ---
1 35Z6-G $6.00 National Union 120% / 120% --- used (L) (ST) ---
1 35Z6-G $6.00 National Union 120% / 120% --- used (L) (ST) ---
1 35Z6-G $6.00 National Union 120% / 120% --- used (L) (ST) ---
1 35Z6-G $6.00 National Union 120% / 120% --- used (L) (ST) ---
1 117Z6-G $6.00 Zenith 115% / 115% --- used (L) (TT) ---
1 117Z6-G $6.00 Zenith 110% / 110% --- used (L) (TT) ---

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.

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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