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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 6BQ5 $45.00 Telefunken 110% 9000 / 7500Gm - 95DMC used (OB) (M9) ---
1 6BQ5 $15.00 Magnavox 120% 8750 / 7500Gm used (rb) (M9) grid 'c' clip
1 6BQ5 $15.00 unknown 120% 7000 / 7500Gm used (rb) (M9) grid 'c' clip
1 6BQ5 $12.00 Realistic 100% 8500 / 7500Gm used (wb) (M9) grid 'c' clip
1 6BQ5 / EL84 $15.00 Triad 115% 7000 / 7500Gm used (rb) (M9) ---
1 6BQ5 / EL84 $15.00 Sylvania 125% 8000 / 7500Gm used (ob) (M9) ---
1 6BQ5 $15.00 Zenith 125% 9000 / 7500Gm used (wb) (M9) ---
1 6BQ5 $15.00 Triad 110% 8000 / 7500Gm used (rb) (M9) ---
1 6BQ5 $15.00 Wards Airline 110% 7000 / 7500Gm used (rb) (M9) ---
1 6BQ5 $15.00 unknown (usa) 130% 9500 / 7500Gm used (rb) (M9) ---
1 6BQ5 $15.00 unknown (usa) 120% 8500 / 7500Gm used (rb) (M9) ---
1 6BQ5 $15.00 unknown 115% 8250 / 7500Gm used (rb) (M9) ---
1 6BQ5 $15.00 unknown (usa) 105% 8500 / 7500Gm used (wb) (M9) ---
1 6BQ5 $15.00 unknown 105% 8750 / 7500Gm used (wb) (M9) ---
1 6BQ5 $12.00 RCA 115% 7500 / 7500Gm used (ob) (M9) ---
1 6BQ5 $12.00 RCA 110% 7500 / 7500Gm used (ob) (M9) ---
1 6BQ5 / EL84 $12.00 GE 100% 6500 / 7500Gm used (wb) (M9) ---
1 6BQ5 / EL84 $12.00 unknown 100% 7500 / 7500Gm used (wb) (M9) ---
1 6BQ5 $12.00 RCA 100% 8750 / 7500Gm used (ob) (M9) ---
1 6BQ5 $12.00 Motorola 100% 7500 / 7500Gm used (wb) (M9) ---
1 6BQ5 $12.00 Marconi 100% 7500 / 7500Gm used (rb) (M9) ---
1 6BQ5 $12.00 Zenith 100% 8250 / 7500Gm used (rb) (M9) ---
1 6BQ5 $12.00 unknown (japan) 100% 6500 / 7500Gm used (rb) (M9) ---
1 6BQ5 $12.00 unknown 100% 7500 / 7500Gm used (wb) (M9) ---
1 6BQ5 $12.00 unknown 100% 7000 / 7500Gm used (rb) (M9) ---
1 6BQ5 $12.00 unknown 100% 8000 / 7500Gm used (wb) (M9) ---
1 6BQ5 $10.00 Sylvania 95% 7500 / 7500Gm used (ob) (M9) grid 'c' clip
1 6BQ5 $9.00 NEC 90% 6000 / 7500Gm used (wb) (M9) grid 'c' clip
1 6BQ5 / EL84 $7.50 Westinghouse 90% 6000 / 7500Gm used (rb) (M9) ---
1 6BQ5 / EL84 $7.50 GE 90% 6000 / 7500Gm used (rb) (M9) ---
1 6BQ5 $7.50 RCA 90% 6000 / 7500Gm used (ob) (M9) ---
1 6BQ5 $7.50 unknown 90% 5500 / 7500Gm used (wb) (M9) ---
1 6BQ5 $7.50 unknown(Japan) 90% 6000 / 7500Gm used (wb) (M9) ---
1 6BQ5 / EL84 $5.00 unknown 85% 7500 / 7500 - 70DMC used (rb) (M9) ---
1 6BQ5 / EL84 $5.00 RCA 85% 6500 / 7500Gm - 75DMC used (rb) (M9) ---
1 6BQ5 / EL84 $5.00 RCA 80% 6000 / 7500Gm - 80DMC used (rb) (M9) ---
1 6BQ5 / EL84 $5.00 unknown (G.Britain) 80% 6000 / 7500Gm used (rb) (M9) ---
1 6GK6 $18.00 RCA 110% 8000 / 7500Gm NOS (OB) (M9) ---
1 6GK6 $18.00 RCA 110% 8500 / 7500Gm NOS (OB) (M9) ---
1 6GK6 $18.00 RCA 110% 8000 / 7500Gm NOS (OB) (M9) ---
1 6GK6 $18.00 RCA 110% 8000 / 7500Gm NOS (OB) (M9) ---
1 6GK6 $18.00 RCA 110% 8500 / 7500Gm NOS (OB) (M9) ---
1 6GK6 $18.00 RCA 110% 8500 / 7500Gm NOS (OB) (M9) ---
1 6GK6 $18.00 RCA 110% 8250 / 7500Gm NOS (OB) (M9) ---
1 6GK6 $18.00 RCA 115% 9000 / 7500Gm NOS (OB) (M9) ---
1 6GK6 $18.00 RCA 120% 8500 / 7500Gm NOS (OB) (M9) ---
1 6GK6 $18.00 RCA 120% 8500 / 7500Gm NOS (OB) (M9) ---
1 6GK6 $18.00 RCA 120% 8500 / 7500Gm NOS (OB) (M9) ---
1 6GK6 $18.00 RCA 120% 9000 / 7500Gm NOS (OB) (M9) ---
1 6GK6 $18.00 RCA 130% 9000 / 7500Gm NOS (OB) (M9) ---
1 6GK6 $18.00 RCA 125% 9000 / 7500Gm NOS (OB) (M9) ---
1 6GK6 $18.00 Tung-Sol 130% 9500 / 7500Gm NOS (OB) (M9) torn box flap
1 6GK6 $18.00 Amperex 110% 9000 / 7500Gm NOS (OB) (M9) ---
1 6GK6 $15.00 GE 120% 9000 / 7500Gm NOS (OB) (M9) ---
1 6GK6 $15.00 GE 120% 9000 / 7500Gm NOS (OB) (M9) ---
1 6GK6 $15.00 GE 115% 8750 / 7500Gm NOS (OB) (M9) ---
1 6GK6 $15.00 GE 120% 9500 / 7500Gm NOS (OB) (M9) ---
1 6GK6 $15.00 GE 120% 9000 / 7500Gm NOS (OB) (M9) ---
1 6GK6 $15.00 GE 130% 9000 / 7500Gm NOS (OB) (M9) ---
1 6GK6 $15.00 GE 125% 9000 / 7500Gm NOS (OB) (M9) ---
1 6GK6 $15.00 Raytheon 120% 9000 / 7500Gm NOS (OB) (M9) ---
1 6GK6 $14.00 Magnavox 120% 8250 / 7500Gm NOS (OB) (M9) ---
1 6GK6 $14.00 Magnavox 125% 8500 / 7500Gm NOS (OB) (M9) ---
1 6GK6 $14.00 Magnavox 130% 9000 / 7500Gm NOS (OB) (M9) ---
1 6GK6 $14.00 Westinghouse 130% 8750 / 7500Gm NOS (OB) (M9) ---
1 6GK6 $14.00 Westinghouse 130% 9000 / 7500Gm NOS (OB) (M9) ---
1 6GK6 $14.00 Westinghouse 110% 8000 / 7500Gm NOS (OB) (M9) ---
1 6GK6 $14.00 Westinghouse 120% 9500 / 7500Gm NOS (OB) (M9) ---
1 6GK6 $14.00 Lindal 120% 8500 / 7500Gm NOS (OB) (M9) ---
1 6GK6 $14.00 Dumont 110% 8250 / 7500Gm NOS (OB) (M9) ---
1 6GK6 $14.00 Raytheon 130% 10000 / 7500Gm NOS (wb) (M9) ---
1 6GK6 $15.00 Sylvania 115% 8500 / 7500Gm NOS (OB) (M9) yellow lettering
1 6GK6 $15.00 Sylvania 115% 8000 / 7500Gm NOS (OB) (M9) yellow lettering
1 6GK6 $15.00 Sylvania 115% 8500 / 7500Gm NOS (OB) (M9) yellow lettering - water damaged box
1 6GK6 $15.00 Sylvania 115% 8500 / 7500Gm NOS (OB) (M9) red lettering
1 6GK6 $15.00 Sylvania 115% 8500 / 7500Gm NOS (OB) (M9) yellow lettering
1 6GK6 $15.00 Sylvania 115% 8250 / 7500Gm NOS (OB) (M9) yellow lettering
1 6GK6 $15.00 Sylvania 120% 8000 / 7500Gm NOS (OB) (M9) yellow lettering
1 6GK6 $15.00 Sylvania 110% 8500 / 7500Gm NOS (OB) (M9) yellow lettering
1 6GK6 $15.00 Sylvania 125% 8500 / 7500Gm NOS (OB) (M9) yellow lettering
1 6GK6 $15.00 Sylvania 130% 9000 / 7500Gm NOS (OB) (M9) yellow lettering - damaged box
1 6GK6 $14.00 Zenith 110% 8000 / 7500Gm NOS (OB) (M9) ---
1 6GK6 $14.00 Zenith 125% 9000 / 7500Gm NOS (OB) (M9) ---
1 6GK6 $14.00 Zenith 125% 9000 / 7500Gm NOS (OB) (M9) ---
1 6GK6 $14.00 Zenith 115% 8500 / 7500Gm NOS (OB) (M9) ---
1 6GK6 $14.00 Zenith 125% 9500 / 7500Gm NOS (OB) (M9) ---
1 6GK6 $14.00 Zenith 125% 9000 / 7500Gm NOS (OB) (M9) ---
1 6GK6 $14.00 Zenith 115% 8000 / 7500Gm NOS (wb) (M9) ---
1 6GK6 $14.00 Zenith 125% 10500 / 7500Gm NOS (OB) (M9) ---
1 6GK6 $14.00 Zenith 110% 10250 / 7500Gm NOS (OB) (M9) ---
1 6GK6 $7.50 RCA 110% 8000 / 7500Gm used (OB) (M9) ---
1 6GK6 $6.00 RCA 100% 9000 / 7500Gm used (OB) (M9) ---
1 6GK6 $6.00 RCA 100% 7000 / 7500Gm used (OB) (M9) ---
1 6GK6 $6.00 RCA 100% 7750 / 7500Gm used (OB) (M9) ---
1 6GK6 $5.00 RCA 95% 7500 / 7500Gm used (OB) (M9) ---
1 6GK6 $5.00 RCA 95% 7500 / 7500Gm used (OB) (M9) ---
1 6GK6 $7.00 Sylvania 110% 7000 / 7500Gm used (rb) (M9) ---
1 6GK6 $6.00 Zenith 105% 7500 / 7500Gm used (rb) (M9) ---
1 6GK6 $7.50 Zenith 120% 8500 / 7500Gm used (rb) (M9) ---
1 6GK6 $7.50 Zenith 120% 7500 / 7500Gm used (rb) (M9) ---
1 6GK6 $7.50 Zenith 120% 8250 / 7500Gm used (rb) (M9) ---
1 6GK6 $7.50 Zenith 130% 9000 / 7500Gm used (rb) (M9) ---
1 6GK6 $7.50 Motorola 130% 8500 / 7500Gm used (rb) (M9) ---
1 6GK6 $7.00 Motorola 120% 7500 / 7500Gm used (rb) (M9) ---
1 6GK6 $6.50 Motorola 110% 7000 / 7500Gm used (rb) (M9) ---
1 6GK6 $7.50 Motorola 120% 8500 / 7500Gm used (rb) (M9) ---
1 6GK6 $7.50 Motorola 120% 8000 / 7500Gm used (rb) (M9) ---
1 6GK6 $7.50 Sylvania 110% 8000 / 7500Gm used (rb) (M9) ---
1 6GK6 $6.00 Sylvania 110% 7500 / 7500Gm used (rb) (M9) ---
1 6GK6 $5.00 Sylvania 90% 8000 / 7500Gm used (rb) (M9) ---
1 6GK6 $7.50 Zenith 115% 8000 / 7500Gm used (rb) (M9) ---
1 6GK6 $5.00 Zenith 90% 7250 / 7500Gm used (rb) (M9) ---
1 6GK6 $7.00 Raytheon 130% 8000 / 7500Gm used (rb) (M9) ---
1 6GK6 $6.00 GE 100% 7500 / 7500Gm used (rb) (M9) ---
1 6GK6 $5.00 Realistic 100% 7000 / 7500Gm used (rb) (M9) ---
1 6GK6 $6.00 unknown 130% 8500 / 7500Gm used (rb) (M9) ---
1 6GK6 $6.50 unknown 120% 8750 / 7500Gm used (rb) (M9) ---
1 6GK6 $6.00 unknown 130% 8000 / 7500Gm used (rb) (M9) ---
1 6GK6 $7.00 unknown 140% 9500 / 7500Gm used (rb) (M9) ---
1 6GK6 $6.00 unknown 110% 8000 / 7500Gm used (rb) (M9) ---
1 6GK6 $6.50 unknown 115% 8750 / 7500Gm used (rb) (M9) ---
1 6GK6 $5.00 unknown 100% 8500 / 7500Gm used (rb) (M9) ---
1 6GK6 $6.00 unknown 110% 8000 / 7500Gm used (L) (M9) ---
1 6GK6 $5.00 unknown (usa) 110% 7000 / 7500Gm used (rb) (M9) ---
1 6GK6 $6.00 unknown (usa) 120% 8000 / 7500Gm used (rb) (M9) ---
1 6GK6 $6.00 unknown (usa) 110% 8000 / 7500Gm used (rb) (M9) ---
1 6GK6 $7.00 unknown (usa) 140% 9500 / 7500Gm used (rb) (M9) ---
1 6GK6 $6.00 unknown (usa) 115% 7750 / 7500Gm used (rb) (M9) ---
1 6GK6 $7.00 Zenith 120% 8000 / 7500Gm used (wb) (M9) ---
1 6GK6 $8.00 Zenith 120% 9500 / 7500Gm used (wb) (M9) ---
1 6GK6 $7.00 Motorola 120% 8000 / 7500Gm used (wb) (M9) ---
1 6GK6 $6.50 Motorola (usa) 125% 7750 / 7500Gm used (wb) (M9) ---
1 6GK6 $7.00 Motorola 110% 8500 / 7500Gm used (wb) (M9) ---
1 6GK6 $5.00 Motorola 90% 5000 / 7500Gm used (wb) (M9) ---
1 6GK6 $6.00 Sylvania (usa) 110% 7500 / 7500Gm used (wb) (M9) ---
1 6GK6 $7.00 Sylvania 120% 8000 / 7500Gm used (wb) (M9) ---
1 6GK6 $7.00 Sylvania 110% 8000 / 7500Gm used (wb) (M9) ---
1 6GK6 $7.50 Sylvania 120% 9000 / 7500Gm used (wb) (M9) ---
1 6GK6 $6.00 unknown (usa) 110% 8000 / 7500Gm used (wb) (M9) ---
1 6GK6 $6.00 unknown 110% 8000 / 7500Gm used (wb) (M9) ---
1 6GK6 $4.00 unknown (canada)95% 4500 / 7500Gm used (wb) (M9) ---
1 6HU8 / ELL80 $40.00 Sylvania 110% / 110% 100 / 90dmc NOS (OB) (M9) ---
1 8BQ5 $15.00 Amperex 125% 9000 / 7500Gm NOS (OB) (M9) ---
1 8BQ5 $15.00 Amperex 130% 9500 / 7500Gm NOS (OB) (M9) ---
1 8BQ5 $15.00 Amperex 120% 8500 / 7500Gm NOS (OB) (M9) ---
1 8BQ5 $15.00 RCA 110% 8250 / 7500Gm NOS (OB) (M9) ---
1 8BQ5 $15.00 RCA 110% 9500 / 7500Gm NOS (OB) (M9) ---
1 8BQ5 $15.00 RCA 110% 10000 / 7500Gm NOS (OB) (M9) ---
1 8BQ5 $15.00 RCA 110% 9500 / 7500Gm NOS (OB) (M9) ---
1 8BQ5 $15.00 RCA 110% 8500 / 7500Gm NOS (OB) (M9) ---
1 8BQ5 $15.00 RCA 110% 8500 / 7500Gm NOS (OB) (M9) ---
1 8BQ5 $15.00 RCA 115% 9000 / 7500Gm NOS (OB) (M9) ---
1 8BQ5 $15.00 RCA 120% 9500 / 7500Gm NOS (OB) (M9) ---
1 8BQ5 $15.00 RCA 120% 9500 / 7500Gm NOS (OB) (M9) ---
1 8BQ5 $15.00 RCA 120% 9500 / 7500Gm NOS (OB) (M9) ---
1 8BQ5 $15.00 RCA 120% 9000 / 7500Gm NOS (OB) (M9) ---
1 8BQ5 $15.00 RCA 120% 9000 / 7500Gm NOS (OB) (M9) ---
1 8BQ5 $15.00 RCA 120% 10000 / 7500Gm NOS (OB) (M9) ---
1 8BQ5 $15.00 RCA 120% 10000 / 7500Gm NOS (OB) (M9) ---
1 8BQ5 $15.00 RCA 120% 10000 / 7500Gm NOS (OB) (M9) ---
1 8BQ5 $15.00 RCA 125% 10000 / 7500Gm NOS (OB) (M9) ---
1 8BQ5 $15.00 RCA 125% 10000 / 7500Gm NOS (OB) (M9) ---
1 8BQ5 $15.00 Sylvania 120% 8500 / 7500Gm NOS (OB) (M9) ---
1 8BQ5 $15.00 Sylvania 120% 8500 / 7500Gm NOS (OB) (M9) ---
1 8BQ5 $15.00 Sylvania 120% 8500 / 7500Gm NOS (OB) (M9) ---
1 8BQ5 $15.00 Sylvania 120% 8250 / 7500Gm NOS (OB) (M9) ---
1 8BQ5 $15.00 Sylvania 100% 9500 / 7500Gm NOS (OB) (M9) ---
1 8BQ5 $15.00 Sylvania 100% 9500 / 7500Gm NOS (OB) (M9) ---
1 8BQ5 $15.00 Sylvania 115% 8000 / 7500Gm NOS (OB) (M9) ---
1 8BQ5 $15.00 Tung-Sol 120% 9000 / 7500Gm NOS (OB) (M9) ---
1 8BQ5 $15.00 Tung-Sol 120% 9500 / 7500Gm NOS (OB) (M9) ---
1 8BQ5 $12.00 GE 120% 8750 / 7500Gm NOS (OB) (M9) ---
1 8BQ5 $10.00 Coronado 110% 8500 / 7500Gm NOS (OB) (M9) ---
1 8BQ5 $10.00 Westinghouse 125% 10000 / 7500Gm NOS (wb) (M9) ---
1 8BQ5 $10.00 Truetone 105% 8500 / 7500Gm NOS (OB) (M9) ---
1 8BQ5 $10.00 Truetone 110% 9500 / 7500Gm NOS (OB) (M9) ---
1 8BQ5 $10.00 Wards Super Airline 130% 9500 / 7500Gm NOS (OB) (M9) missing box flap
1 8BQ5 $5.00 Wards Airline 120% 8500 / 7500Gm used (wb) (M9) ---
1 8BQ5 $7.50 RCA 120% 9250 / 7500Gm used (wb) (M9) ---
1 8BQ5 $7.50 RCA 120% 9000 / 7500Gm used (ob) (M9) ---
1 8BQ5 $7.00 RCA 100% 9000 / 7500Gm used (ob) (M9) ---
1 8BQ5 $7.00 Sylvania 100% 8000 / 7500Gm used (ob) (M9) ---
1 8BQ5 $7.00 Sylvania 100% 8000 / 7500Gm used (ob) (M9) ---
1 8BQ5 $7.00 Sylvania 100% 7500 / 7500Gm used (ob) (M9) ---
1 8BQ5 $7.00 Sylvania 125% 7500 / 7500Gm used (ob) (M9) ---
1 8BQ5 $7.00 Sylvania 100% 7500 / 7500Gm used (rb) (M9) ---
1 8BQ5 $5.00 unknown (usa) 125% 8500 / 7500Gm used (rb) (M9) ---
1 8BQ5 $5.00 unknown (usa) 120% 7500 / 7500Gm used (rb) (M9) ---
1 8BQ5 $5.00 unknown (usa) 115% 8500 / 7500Gm used (rb) (M9) ---
1 8BQ5 $5.00 unknown 120% 9000 / 7500Gm used (rb) (M9) ---
1 8BQ5 $5.00 RCA 90% 5500 / 7500Gm used (ob) (M9) ---
1 8BQ5 $5.00 RCA 85% 8000 / 7500Gm used (ob) (M9) ---
1 8BQ5 $5.00 WG (usa) 100% 7500 / 7500Gm used (rb) (M9) ---
1 8BQ5 $5.00 Motorola 100% 7500 / 7500Gm used (rb) (M9) ---
1 8BQ5 $5.00 unknown 100% 7000 / 7500Gm used (wb) (M9) ---
1 8BQ5 $5.00 unknown 120% 9000 / 7500Gm used (wb) (M9) ---
1 10BQ5 $10.00 Amperex 120% 8500 / 7500Gm NOS (OB) (M9) water damaged box
1 10BQ5 $10.00 RCA 120% 10000 / 7500Gm NOS (OB) (M9) ---
1 10BQ5 $10.00 RCA 120% 10000 / 7500Gm NOS (OB) (M9) ---
1 10BQ5 $10.00 RCA 120% 9500 / 7500Gm NOS (OB) (M9) ---
1 10BQ5 $10.00 RCA 110% 9750 / 7500Gm NOS (OB) (M9) ---
1 10BQ5 $10.00 RCA 120% 9000 / 7500Gm NOS (OB) (M9) ---
1 10BQ5 $7.50 GE 130% 9500 / 7500Gm NOS (OB) (M9) ---
1 10BQ5 $7.50 GE 130% 9000 / 7500Gm NOS (OB) (M9) ---
1 10BQ5 $7.50 GE 120% 9000 / 7500Gm NOS (OB) (M9) ---
1 10BQ5 $7.50 Zenith 120% 9000 / 7500Gm NOS (OB) (M9) ---
1 10BQ5 $7.50 Sylvania 120% 9500 / 7500Gm NOS (OB) (M9) ---
1 10BQ5 $5.00 unknown 110% 9000 / 7500Gm used (wb) (M9) ---
1 10BQ5 $5.00 unknown 140% 9000 / 7500Gm used (rb) (M9) ---
1 10GK6 $5.00 Sylvania 110% 8000 / 7500Gm NOS (OB) (M9) ---
1 10GK6 $5.00 Sylvania 110% 8000 / 7500Gm NOS (OB) (M9) ---
1 10GK6 $5.00 Sylvania 110% 8000 / 7500Gm NOS (OB) (M9) ---
1 10GK6 $5.00 Sylvania 110% 8000 / 7500Gm NOS (OB) (M9) ---
1 10GK6 $5.00 Sylvania 110% 8000 / 7500Gm NOS (OB) (M9) ---
1 10GK6 $5.00 Sylvania 110% 7500 / 7500Gm NOS (OB) (M9) ---
1 10GK6 $5.00 Sylvania 110% 7750 / 7500Gm NOS (OB) (M9) ---
1 10GK6 $5.00 Sylvania 115% 8000 / 7500Gm NOS (OB) (M9) ---
1 10GK6 $5.00 Sylvania 120% 8000 / 7500Gm NOS (OB) (M9) ---
1 10GK6 $5.00 Sylvania 120% 8000 / 7500Gm NOS (OB) (M9) ---
1 10GK6 $5.00 Philips ECG 120% 8000 / 7500Gm NOS (OB) (M9) ---
1 10GK6 $5.00 Triad 110% 8500 / 7500Gm NOS (OB) (M9) ---
1 10GK6 $5.00 Triad 125% 8500 / 7500Gm NOS (OB) (M9) ---
1 10GK6 $5.00 Triad 120% 8000 / 7500Gm NOS (OB) (M9) ---
1 10GK6 $5.00 Triad 120% 8500 / 7500Gm NOS (OB) (M9) ---
1 10GK6 $5.00 Westinghouse 125% 9000 / 7500Gm NOS (OB) (M9) ---
1 10GK6 $5.00 Westinghouse 110% 8000 / 7500Gm NOS (OB) (M9) ---
1 10GK6 $5.00 Raytheon 125% 9250 / 7500Gm NOS (OB) (M9) ---
1 10GK6 $5.00 Raytheon 110% 8000 / 7500Gm NOS (OB) (M9) ---
1 10GK6 $5.00 Raytheon 110% 8000 / 7500Gm NOS (OB) (M9) ---
1 10GK6 $5.00 Raytheon 120% 8000 / 7500Gm NOS (OB) (M9) ---
1 10GK6 $5.00 Raytheon 110% 8250 / 7500Gm NOS (OB) (M9) ---
1 10GK6 $5.00 RCA 110% 7500 / 7500Gm NOS (OB) (M9) damaged box
1 10GK6 $5.00 RCA 110% 7500 / 7500Gm NOS (OB) (M9) ---
1 10GK6 $5.00 RCA 130% 9750 / 7500Gm NOS (OB) (M9) ---
1 10GK6 $5.00 RCA 120% 9000 / 7500Gm NOS (OB) (M9) ---
1 10GK6 $5.00 RCA 120% 9500 / 7500Gm NOS (OB) (M9) damaged box
1 10GK6 $5.00 Zenith 110% 8000 / 7500Gm NOS (OB) (M9) ---
1 10GK6 $5.00 Zenith 110% 8000 / 7500Gm NOS (OB) (M9) ---
1 10GK6 $5.00 Zenith 115% 8500 / 7500Gm NOS (OB) (M9) ---
1 10GK6 $5.00 Zenith 120% 8500 / 7500Gm NOS (OB) (M9) ---
1 10GK6 $5.00 Zenith 120% 8000 / 7500Gm NOS (OB) (M9) ---
1 10GK6 $5.00 Lindal 120% 10000 / 7500Gm NOS (OB) (M9) ---
1 10GK6 $2.00 Zenith 120% 8500 / 7500Gm used (rb) (M9) ---
1 10GK6 $2.00 Zenith 100% 7250 / 7500Gm used (rb) (M9) ---
1 10GK6 $2.50 Zenith 120% 8500 / 7500Gm used (rb) (M9) ---
1 10GK6 $2.50 Zenith 130% 8250 / 7500Gm used (rb) (M9) ---
1 10GK6 $2.00 Sylvania 100% 8000 / 7500Gm used (rb) (M9) ---
1 10GK6 $2.00 unknown (usa) 110% 7500 / 7500Gm used (rb) (M9) ---
1 10GK6 $2.00 Sylvania 110% 7500 / 7500Gm used (wb) (M9) ---
1 10GK6 $2.00 unknown 135% 8500 / 7500Gm used (wb) (M9) ---
1 10GK6 $2.00 RCA 110% 8000 / 7500Gm used (rb) (M9) (cat:au-20)
1 10GK6 $1.50 Motorola 110% 8500 / 7500Gm used (L) (M9) (cat:au-20)
1 10GK6 $1.50 Sylvania 120% 8500 / 7500Gm used (L) (M9) (cat:au-20)
1 10GK6 $1.50 Sylvania 120% 8500 / 7500Gm used (L) (M9) (cat:au-20)
1 10GK6 $1.50 Zenith 110% 8000 / 7500Gm used (L) (M9) (cat:au-20)
1 10GK6 $1.50 Zenith 110% 6500 / 7500Gm used (L) (M9) (cat:au-20)
1 10GK6 $1.50 Zenith 100% 7000 / 7500Gm used (L) (M9) (cat:au-20)
1 10GK6 $1.50 unknown 120% 8500 / 7500Gm used (L) (M9) (cat:au-20)
1 10GK6 $1.50 unknown 115% 8000 / 7500Gm used (L) (M9) (cat:au-20)
1 10GK6 $1.50 unknown 115% 7500 / 7500Gm used (L) (M9) (cat:au-20)
1 10GK6 $1.50 unknown 125% 9000 / 7500Gm used (L) (M9) (cat:au-20)
1 10GK6 $1.50 unknown 130% 9000 / 7500Gm used (L) (M9) (cat:au-20)
1 16GK6 $4.00 RCA 110% 8500 / 7500Gm NOS (OB) (M9) ---
1 16GK6 $4.00 RCA 120% 9000 / 7500Gm NOS (OB) (M9) ---
1 16GK6 $4.00 RCA 120% 8750 / 7500Gm NOS (OB) (M9) ---
1 16GK6 $4.00 RCA 110% 8000 / 7500Gm NOS (OB) (M9) ---
1 16GK6 $4.00 RCA 110% 8000 / 7500Gm NOS (OB) (M9) ---
1 16GK6 $4.00 RCA 110% 7500 / 7500Gm NOS (OB) (M9) ---
1 16GK6 $4.00 Amperex 130% 9500 / 7500Gm NOS (OB) (M9) usa - world logo
1 16GK6 $4.00 Amperex 110% 8500 / 7500Gm NOS (OB) (M9) ---
1 16GK6 $4.00 Philco 110% 8000 / 7500Gm NOS (OB) (M9) ---
1 16GK6 $4.00 Sylvania 110% 8500 / 7500Gm NOS (OB) (M9) ---
1 16GK6 $4.00 Sylvania 120% 9500 / 7500Gm NOS (OB) (M9) ---
1 16GK6 $4.00 Sylvania 110% 8500 / 7500Gm NOS (OB) (M9) ---
1 16GK6 $4.00 Sylvania 110% 8000 / 7500Gm NOS (OB) (M9) ---
1 16GK6 $4.00 Sylvania 110% 8000 / 7500Gm NOS (OB) (M9) ---
1 16GK6 $4.00 Sylvania 110% 8000 / 7500Gm NOS (OB) (M9) ---
1 16GK6 $4.00 Sylvania 110% 8500 / 7500Gm NOS (OB) (M9) ---
1 16GK6 $4.00 Radtel 120% 8000 / 7500Gm NOS (OB) (M9) ---
1 16GK6 $4.00 Raytheon 120% 9500 / 7500Gm NOS (OB) (M9) ---
1 16GK6 $1.50 unknown (usa) 125% 7000 / 7500Gm used (L) (M9) ---
1 16GK6 $1.50 Motorola 120% 9000 / 7500Gm used (L) (M9) ---
1 16GK6 $1.50 Motorola 115% 7500 / 7500Gm used (L) (M9) ---
1 16GK6 $1.50 Motorola 120% 7750 / 7500Gm used (L) (M9) ---
1 16GK6 $1.50 unknown (usa) 120% 7500 / 7500Gm used (L) (M9) ---
1 29GK6 $15.00 Tung-Sol 150% 9500 / 7500Gm NOS (OB) (M9) ---
1 7189 $8.00 unknown 120% 8500 / 7500Gm used (rb) (M9) improved 6BQ5
1 7558 $12.00 RCA 130% 6500 / 5300Gm NOS (OB) green lettering - JAN
1 7558 $12.00 RCA 130% 6500 / 5300Gm NOS (OB) green lettering - JAN
1 7558 $12.00 RCA 130% 7000 / 5300Gm NOS (OB) green lettering - JAN
1 7558 $12.00 RCA 120% 6250 / 5300Gm NOS (OB) green lettering - JAN
1 7558 $10.00 RCA 115% 105dmc NOS (OB) (M9) ---
1 7558 $10.00 Sylvania 115% 100dmc NOS (OB) (M9) ---
1 7558 $10.00 Sylvania 115% 95dmc NOS (OB) (M9) ---
1 7558 $10.00 Sylvania 110% 95dmc NOS (OB) (M9) ---
1 7558 $10.00 Sylvania 100% 95dmc NOS (OB) (M9) damaged box
1 7558 $5.00 RCA 120% 90dmc used (L) (cat:au20)
1 7558 $5.00 RCA 125% 90dmc used (L) (cat:au20)
1 7558 $5.00 RCA 115% 90dmc used (L) (cat:au20)
1 EL822 $10.00 Mullard 130% 120dmc used (wb) (M9) similar to EL84 but different pinout

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