Welcome to MDB Ventures Audio Tube Store
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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
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1 | 2E30 | $10.00 | Raytheon | 120% | 4200 / 3000Gm | NOS (OB) | (M7) --- |
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1 | 6AB8 / ECL80 | $10.00 | Telefunken | --- | 4300 / 3300:1550 / 1350Gm | NOS (OB) | (cat:411-23) |
1 | 6AB8 / ECL80 | $10.00 | Telefunken | --- | 4000 / 3300:1450 / 1350Gm | NOS (OB) | (cat:411-22) |
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1 | GB-6136 | $12.00 | Sylvania | 130% | 2800 / 2300Gm | NOS (OB) | (M7) gold lettering - gold pins (special 6au6) |
1 | GB-6136 | $12.00 | Sylvania | 130% | 2800 / 2300Gm | NOS (OB) | (M7) gold lettering - gold pins (special 6au6) |
1 | GB-6136 | $12.00 | Sylvania | 140% | 3200 / 2300Gm | NOS (OB) | (M7) gold lettering - gold pins (special 6au6) |
1 | 6136 | $10.00 | GE | 140% | 3200 / 2300Gm | NOS (OB) | (M7) red lettering - 5 star (special 6au6) |
1 | 6136 | $10.00 | GE | 140% | 3400 / 2300Gm | NOS (OB) | (M7) red lettering - 5 star (special 6au6) |
1 | EF94 / 6AU6 | $10.00 | IEC / Mullard | 140% | 3000 / 2300Gm | NOS (wb) | (M7) gt britain |
1 | 6AU6 | $10.00 | Amperex | 120% | 2600 / 2300Gm | used (OB) | (M7) Bugle Boy - usa |
1 | 6AU6 | $10.00 | Amperex | 140% | 2900 / 2300Gm | used (wb) | (M7) Bugle Boy - holland |
1 | EF94 / 6AU6 | $10.00 | Heath / Mullard | 120% | 2700 / 2300Gm | used (wb) | (M7) gt britain |
1 | 6AU6 | $15.00 | Telefunken | 95% | 2000 / 2300Gm | used (wb) | (M7) --- |
1 | 6AU6 | $5.00 | unknown | --- | --- | NOS (OB) | (M7) box sealed in foil pouch |
1 | GB-6136 / 6AU6WA / WB | $5.00 | Sylvania | 130% | 2600 / 2300Gm | used (wb) | (M7) gold lettering - gold pins (special 6au6) |
1 | GB-6136 / 6AU6WA / WB | $3.00 | Sylvania | 90% | 1500 / 2300Gm | used (wb) | (M7) gold lettering - gold pins (special 6au6) |
1 | 6136 | $3.00 | RCA | 150% | 2300 / 2300Gm | used (wb) | (M7) command |
1 | 6AU6WB | $7.50 | Tung-Sol | 120% | 2800 / 2300Gm | NOS (wb) | (M7) usa |
1 | 6AU6WA | $7.50 | Sylvania | 130% | 2500 / 2300Gm | NOS (OB) | (M7) yellow lettering |
1 | 6AU6WC | $7.50 | Sylvania | 120% | 2800 / 2300Gm | NOS (wb) | (M7) JAN - green lettering |
1 | 6AU6WA | $7.50 | Tung-Sol | 130% | 2600 / 2300Gm | used (wb) | (M7) usa |
1 | 6AU6WC | $5.00 | GE | 120% | 2900 / 2300Gm | NOS (wb) | (M7) --- |
1 | 6AU6WC | $5.00 | GE | 130% | 3300 / 2300Gm | NOS (wb) | (M7) --- |
1 | 6AU6WA | $5.00 | RCA | 115% | 2300 / 2300Gm | NOS (OB) | (M7) gray plate - red lettering |
1 | 6AU6WA | $5.00 | RCA | 130% | 2800 / 2300Gm | NOS (OB) | (M7) gray plate - red lettering |
1 | 6AU6A / 8425A | $5.00 | GE | 110% | 2700 / 2300Gm | NOS (wb) | (M7) --- |
1 | 6AU6A / 8425A | $5.00 | GE | 110% | 2800 / 2300Gm | NOS (wb) | (M7) --- |
1 | 6AU6A / 8425A | $5.00 | GE | 110% | 2600 / 2300Gm | NOS (wb) | (M7) --- |
1 | 6AU6A / 8425A | $5.00 | GE | 110% | 2800 / 2300Gm | NOS (wb) | (M7) --- |
1 | 6AU6A / 8425A | $5.00 | GE | 110% | 2600 / 2300Gm | NOS (wb) | (M7) --- |
1 | 6AU6WA / B / 6136 | $3.00 | GE | 140% | 3300 / 2300Gm | used (wb) | (M7) --- |
1 | 6AU6WB | $3.00 | Sylvania | 130% | 2900 / 2300Gm | used (wb) | (M7) --- |
1 | 6AU6 | $6.00 | Brimar | 120% | 2800 / 2300Gm | NOS (OB) | (M7) England |
1 | 6AU6A | $5.00 | RCA | 130% | 2600 / 2300Gm | NOS (OB) | (M7) black plate - red lettering |
1 | 6AU6A | $5.00 | Sylvania | 130% | 2900 / 2300Gm | NOS (wb) | (M7) --- |
1 | 6AU6 | $5.00 | Curtis Mathis | 130% | 3000 / 2300Gm | NOS (wb) | (M7) --- |
1 | 6AU6 | $5.00 | W.G. Co. | 120% | 2800 / 2300Gm | NOS (wb) | (M7) --- |
1 | 6AU6A | $5.00 | Stromberg Carlson | 120% | 2800 / 2300Gm | NOS (wb) | (M7) --- |
1 | 6AU6 / M3622 | $5.00 | Toshiba | 130% | 3000 / 2300Gm | NOS (wb) | (M7) --- |
1 | 6AU6 | $5.00 | Motorola | 130% | 2800 / 2300Gm | NOS (wb) | (M7) --- |
1 | 6AU6 | $5.00 | Motorola | 120% | 2600 / 2300Gm | NOS (wb) | (M7) --- |
1 | 6AU6 | $5.00 | Tung-Sol | 120% | 3000 / 2300Gm | used (wb) | (M7) usa |
1 | 6AU6A / 8425A | $2.50 | GE | 120% | 3200 / 2300Gm | used (wb) | (M7) --- |
1 | 6AU6A / 8425A | $2.50 | GE | 120% | 2600 / 2300Gm | used (wb) | (M7) --- |
1 | 6AU6A / 8425A | $2.50 | GE | 110% | 2500 / 2300Gm | used (wb) | (M7) --- |
1 | 6AU6A / 8425A | $2.50 | GE | 110% | 2600 / 2300Gm | used (wb) | (M7) --- |
1 | 6AU6A / 8425A | $2.50 | GE | 110% | 2700 / 2300Gm | used (wb) | (M7) --- |
1 | 6AU6A / 8425A | $2.00 | GE | 100% | 2400 / 2300Gm | used (wb) | (M7) --- |
1 | 6AU6A / 8425A | $3.00 | GE for Tektronix | 110% | 2900 / 2300Gm | used (wb) | (M7) --- |
1 | 6AU6A / 8425A | $3.00 | GE for Tektronix | 110% | 2500 / 2300Gm | used (wb) | (M7) --- |
1 | 6AU6A / 8425A | $3.00 | GE for Tektronix | 110% | 2800 / 2300Gm | used (wb) | (M7) --- |
1 | 6AU6A / 8425A | $3.00 | GE for Tektronix | 120% | 2600 / 2300Gm | used (wb) | (M7) --- |
1 | 6AU6A / 8425A | $3.00 | GE for Tektronix | 120% | 2600 / 2300Gm | used (rb) | (M7) --- |
1 | 6AU6 | $2.50 | Webster Electric (by RCA) | 110% | 2400 / 2300Gm | used (wb) | (M7) black plate |
1 | 6AU6 | $3.00 | Hewlett Packard | 120% | 2300 / 2300Gm | used (wb) | (M7) by GE |
1 | 6AU6 | $5.00 | Cornell | 120% | 2400 / 2300Gm | used (wb) | (M7) --- |
1 | 6AU6 | $3.00 | RCA | 120% | 2800 / 2300Gm | used (wb) | (M7) black plate |
1 | 6AU6A | $3.00 | RCA | 120% | 2700 / 2300Gm | used (wb) | (M7) black plate |
1 | 6AU6A | $3.00 | RCA | 120% | 3100 / 2300Gm | used (wb) | (M7) black plate |
1 | 6AU6A | $3.00 | RCA | 120% | 2800 / 2300Gm | used (rb) | (M7) black plate |
1 | 6AU6 | $4.00 | RCA Victor | 120% | 2400 / 2300Gm | used (wb) | (M7) black plate |
1 | 6AU6 | $3.00 | Tung-Sol | 130% | 2400 / 2300Gm | used (wb) | (M7) --- |
1 | 6AU6 | $2.50 | Setchell Carlson | 120% | 2700 / 2300Gm | used (rb) | (M7) --- |
1 | 6AU6A | $2.50 | Setchell Carlson | 130% | 2700 / 2300Gm | used (rb) | (M7) --- |
1 | 6AU6A | $2.50 | H.H. Scott | 110% | 2600 / 2300Gm | used (wb) | (M7) --- |
1 | 6AU6WB | $2.50 | Sylvania | 120% | 2600 / 2300Gm | used (wb) | (M7) --- |
1 | 6AU6WC | $2.50 | Sylvania | 120% | 2400 / 2300Gm | used (wb) | (M7) --- |
1 | 6AU6 | $2.50 | Philco | 110% | 2200 / 2300Gm | used (wb) | (M7) --- |
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1 | CV4006 / 6059 / 6BR7 | $50.00 | Valve Electronic | 110% | 2400 / 2000Gm | used (wb) | (M9) low microphonic low hum pentode - Britain military tube |
1 | CV2135 / 6BR7 | $50.00 | Valve Electronic | 110% | 2250 / 2000Gm | used (wb) | (M9) low microphonic low hum pentode - Britain military tube |
1 | CV2135 / 6BR7 | $2.50 | Valve Electronic | 40% | 1000 / 2000Gm | used (wb) | (M9) low microphonic low hum pentode - Britain military tube |
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1 | 6DL5 / EL95 | $15.00 | Amperex | 120% | 110dmc | NOS (OB) | germany - bugle boy |
1 | 6DL5 / EL95 | $15.00 | Mullard | 110% | 90dmc | NOS (OB) | --- |
1 | EL95 | $12.00 | Valvo | 120% | 90dmc | NOS (OB) | 7pin mini |
1 | EL95 | $12.00 | Valvo | 120% | 90dmc | NOS (OB) | 7pin mini |
1 | EL95 | $12.00 | Valvo | 110% | 100dmc | NOS (OB) | holland - torn box flap |
1 | EL95 | $5.00 | Valvo | 90% | 90dmc | used (rb) | holland |
1 | 6DL5 | $5.00 | RCA | 90% | 70dmc | used (rb) | germany |
1 | 6DL5 | $5.00 | RCA | 110% | 80dmc | used (rb) | germany |
1 | 6DL5 / EL95 | $5.00 | unknown | 90% | 75dmc | used (rb) | --- |
1 | 6DL5 | $5.00 | RCA | 120% | 100dmc | used (rb) | germany |
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1 | PL95 | $5.00 | Telefunken | 100% | 90dmc | used (wb) | (4.5V EL95) |
1 | PL95 | $3.00 | Valvo | 110% | 110dmc | used (wb) | (4.5V EL95) |
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1 | 6CX8 | $5.00 | RCA | 120% / 130% | 12000:10000 / 5000 / 4000Gm | NOS (OB) | (M9) |
1 | 6CX8 | $5.00 | RCA | 120% / 130% | 10000:10000 / 4200 / 4000Gm | NOS (OB) | (M9) |
1 | 6CX8 | $5.00 | RCA | 120% / 110% | 10000:10000 / 4200 / 4000Gm | NOS (OB) | (M9) |
1 | 6CX8 | $5.00 | RCA | 120% / 110% | 11000:10000 / 4200 / 4000Gm | NOS (OB) | (M9) |
1 | 6CX8 | $5.00 | RCA | 110% / 120% | 11000:10000 / 4200 / 4000Gm | NOS (OB) | (M9) |
1 | 6CX8 | $5.00 | RCA | 110% / 120% | 11000:10000 / 4400 / 4000Gm | NOS (OB) | (M9) |
1 | 6CX8 | $5.00 | RCA | 110% / 110% | 12000:10000 / 4500 / 4000Gm | NOS (OB) | (M9) |
1 | 6CX8 | $5.00 | Raytheon | 120% / 140% | 12000:10000 / 4500 / 4000Gm | NOS (OB) | (M9) |
1 | 6CX8 | $2.50 | RCA | 105% / 90% | 9000:100003600 / 4000Gm | used (OB) | (M9) |
1 | 6CX8 | $0.50 | RCA | 120% / 80% | 12000:10000 / 3800 / 4000Gm | used (OB) | (M9) |
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1 | 6CW7 / ECC84 | $25.00 | Iec / Mullard | 110% / 115% | 90 / 95dmc | NOS (OB) | (M9) Gt. Britain |
1 | 6CW7 / ECC84 | $25.00 | Amperex | 110% / 120% | --- | NOS (OB) | (M9) France |
1 | 6CW7 / ECC84 | $25.00 | Valvo | 110% / 110% | --- | NOS (OB) | (M9) France |
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1 | 6GM8 / ECC86 | $25.00 | Telefunken | 90% / 90% | 2600:3000 / 2500Gm | used (rb) | (M9) gray plates - top getter - diamond base stamp |
1 | 6GM8 / ECC86 | $25.00 | GE | 90% / 90% | 2800:2900 / 2500Gm | used (wb) | (M9) gray plates - top getter - holland - white lettering |
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1 | 400-B | $7.50 | Western Electric | 90% diode: 90% | 950 / 900Gm | used (wb) | (M7) special 1R5 |
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1 | 5847-A | $7.50 | Amperex | 160% | 10000 / 7500Gm | used (L) | (M9) JAN |
1 | 5847-A | $7.50 | Amperex | 120% | 10000 / 7500Gm | used (L) | (M9) JAN |
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1 | 408A | $2.00 | Western Electric | 100% | 4400 / 4200Gm | used (wb) | (M7) |
1 | 408A | $1.50 | Western Electric | 90% | 4200 / 4200Gm | used (rb) | (M7) |
1 | 408A | $2.00 | N.E. | 120% | 4600 / 4200Gm | used (rb) | (M7) Canada |
1 | GB-408A | $2.50 | Collins | 110% | 4600 / 4200Gm | used (wb) | (M7) gold pins |
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1 | 409-A / 6AS6 | $10.00 | Western Electric | 140% | 2800 / 1800Gm | NOS (OB) | (M7) damaged box |
1 | 409-A / 6AS6 | $5.00 | Western Electric | 130% | 2800 / 1800Gm | used (rb) | (M7) --- |
1 | 6AS6 | $5.00 | Western Electric | 140% | 3000 / 1800Gm | used (wb) | (M7) --- |
1 | 415-A | $5.00 | Western Electric | 130% | 3000 / 1800Gm | used (wb) | (M7) (special 6AS6) |
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1 | 5842 | $7.50 | Amperex | 120% | 9500 / 7500Gm | used (L) | (M9) JAN |
1 | 5842 | $7.50 | Raytheon | 140% | 10500 / 7500Gm | used (L) | (M9) JAN |
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1 | 5879 | $15.00 | Tung-Sol | 125% | 1300 / 1000Gm | NOS (OB) | (M9) --- |
1 | 5879 | $15.00 | Tung-Sol | 120% | 1200 / 1000Gm | NOS (OB) | (M9) --- |
1 | 5879 | $9.00 | RCA | 140% | 1450 / 1000Gm | NOS (OB) | (M9) gray plate - JAN |
1 | 5879 | $9.00 | RCA | 115% | 1150 / 1000Gm | NOS (OB) | (M9) --- |
1 | 5879 | $9.00 | RCA | 110% | 1150 / 1000Gm | NOS (OB) | (M9) --- |
1 | 5879 | $9.00 | RCA | 110% | 1200 / 1000Gm | NOS (OB) | (M9) --- |
1 | 5879 | $9.00 | GE | 130% | 1300 / 1000Gm | NOS (wb) | (M9) --- |
1 | 5879 | $9.00 | GE | 120% | 1200 / 1000Gm | NOS (OB) | (M9) --- |
1 | 5879 | $9.00 | GE | 120% | 1150 / 1000Gm | NOS (OB) | (M9) --- |
1 | 5879 | $9.00 | GE | 130% | 1300 / 1000Gm | NOS (OB) | (M9) --- |
1 | 5879 | $9.00 | GE | 140% | 1300 / 1000Gm | NOS (OB) | (M9) --- |
1 | 5879 | $9.00 | GE | 130% | 1300 / 1000Gm | NOS (OB) | (M9) --- |
1 | 5879 | $9.00 | Sylvania | 140% | 1200 / 1000Gm | NOS (ob) | (M9) --- |
1 | 5879 | $8.00 | Sylvania | 120% | 1200 / 1000Gm | NOS (wb) | (M9) --- |
1 | 5879 | $9.00 | Sylvania | 110% | 1200 / 1000Gm | NOS (OB) | (M9) --- |
1 | 5879 | $9.00 | Sylvania | 120% | 1200 / 1000Gm | NOS (wb) | (M9) --- |
1 | 5879 | $9.00 | Sylvania | 135% | 1450 / 1000Gm | NOS (OB) | (M9) --- |
1 | 5879 | $9.00 | Sylvania | 120% | 1150 / 1000Gm | NOS (OB) | (M9) --- |
1 | 5879 | $9.00 | Sylvania | 120% | 1100 / 1000Gm | NOS (OB) | (M9) --- |
1 | 5879 | $9.00 | Raytheon | 110% | 1100 / 1000Gm | NOS (OB) | (M9) --- |
1 | 5879 | $9.00 | Raytheon | 110% | 1200 / 1000Gm | NOS (OB) | (M9) --- |
1 | 5879 | $9.00 | CBS | 125% | 1400 / 1000Gm | NOS (OB) | (M9) --- |
1 | 5879 | $9.00 | Westinghouse | 125% | 1300 / 1000Gm | NOS (OB) | (M9) --- |
1 | 5879 | $5.00 | RCA | 115% | 1100 / 1000Gm | used good (wb) | (M9) --- |
1 | 5879 | $5.00 | RCA | 125% | 1350 / 1000Gm | used (rb) | (M9) --- |
1 | 5879 | $5.00 | RCA | 110% | 1150 / 1000Gm | used (ob) | (M9) --- |
1 | 5879 | $5.00 | RCA | 110% | 1200 / 1000Gm | used (wb) | (M9) --- |
1 | 5879 | $4.00 | RCA | 100% | 1000 / 1000Gm | used good (wb) | (M9) --- |
1 | 5879 | $4.00 | RCA | 100% | 1050 / 1000Gm | used (rb) | (M9) --- |
1 | 5879 | $4.00 | RCA | 100% | 1000 / 1000Gm | used (rb) | (M9) --- |
1 | 5879 | $4.00 | RCA | 100% | 1100 / 1000Gm | used (rb) | (M9) --- |
1 | 5879 | $4.00 | RCA | 105% | 1000 / 1000Gm | used (rb) | (M9) --- |
1 | 5879 | $4.00 | CBS | 100% | 1000 / 1000Gm | used (rb) | (M9) --- |
1 | 5879 | $4.00 | Conn | 110% | 1350 / 1000Gm | used (wb) | (M9) --- |
1 | 5879 | $5.00 | GE | 110% | 1200 / 1000Gm | used (rb) | (M9) --- |
1 | 5879 | $5.00 | Raytheon | 115% | 1150 / 1000Gm | used (ob) | (M9) --- |
1 | 5879 | $4.00 | unknown | 125% | 1300 / 1000Gm | used (rb) | (M9) --- |
1 | 5879 | $4.00 | unknown | 110% | 1150 / 1000Gm | used (rb) | (M9) --- |
1 | 5879 | $4.00 | Sylvania | 105% | 1150 / 1000Gm | used (ob) | (M9) --- |
1 | 5879 | $2.50 | RCA | 90% | 900 / 1000Gm | used (ob) | (M9) --- |
1 | 5879 | $2.50 | Sylvania | 90% | 900 / 1000Gm | used (ob) | (M9) --- |
1 | 5879 | $2.00 | RCA | 85% | 900 / 1000Gm | used (wb) | (M9) --- |
1 | 5879 | $2.00 | RCA | 85% | 950 / 1000Gm | used (rb) | (M9) --- |
1 | 5879 | $4.00 | unknown | 110% | 1200 / 1000Gm | used (rb) | (M9) --- |
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1 | M8161 / 6065 | CV-4015 | $30.00 | Mullard | 125% | 2450 / 2000Gm | NOS (OB) |
1 | M8161 / 6065 | CV-4015 | $30.00 | Mullard | 115% | 2400 / 2000Gm | NOS (OB) |
1 | M8161 / 6065 | CV-4015 | $30.00 | Mullard | 110% | 2200 / 2000Gm | NOS (OB) |
1 | M8161 / 6065 | CV-4015 | $30.00 | Mullard | 110% | 2100 / 2000Gm | NOS (OB) |
1 | M8161 / 6065 | CV-4015 | $30.00 | Mullard | 110% | 2150 / 2000Gm | NOS (OB) |
1 | M8161 / 6065 | CV-4015 | $30.00 | Mullard | 110% | 2300 / 2000Gm | NOS (OB) |
1 | M8161 / 6065 | CV-4015 | $30.00 | Mullard | 110% | 2050 / 2000Gm | NOS (OB) |
1 | M8161 / 6065 | CV-4015 | $30.00 | Mullard | 110% | 2150 / 2000Gm | NOS (OB) |
1 | M8161 / 6065 | CV-4015 | $30.00 | Mullard | 110% | 2250 / 2000Gm | NOS (OB) |
1 | M8161 / 6065 | CV-4015 | $30.00 | Mullard | 110% | 2050 / 2000Gm | NOS (OB) |
1 | M8161 / 6065 | CV-4015 | $30.00 | Mullard | 105% | 2100 / 2000Gm | NOS (OB) |
1 | M8161 / 6065 | CV-4015 | $30.00 | Mullard | 100% | 2050 / 2000Gm | NOS (OB) |
1 | M8161 / 6065 | CV-4015 | $30.00 | Mullard | 100% | 2150 / 2000Gm | NOS (OB) |
1 | M8161 / 6065 | CV-4015 | $30.00 | Mullard | 100% | 2100 / 2000Gm | NOS (OB) |
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1 | PF86 | $35.00 | Amperex | 130% | 2300 / 2000Gm | NOS (OB) | (M9) bugle boy - mesh plate - Holland (4Volt EF86) |
1 | PF86 | $35.00 | Amperex | 125% | 2300 / 2000Gm | NOS (OB) | (M9) bugle boy - mesh plate - Holland (4Volt EF86) |
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1 | 6267 / EF86 | $60.00 | Amperex | 110% | 2300 / 2000Gm | NOS (OB) | (M9) Bugle Boy - mesh plate - Holland - torn box flap |
1 | 6267 / EF86 | $50.00 | Raytheon | 130% | 2450 / 2000Gm | NOS (OB) | (M9) smooth silver plate - Britain |
1 | 6267 / EF86 | $50.00 | Realistic | 120% | 2000 / 2000Gm | NOS (OB) | (M9) perferated plate - Germany |
1 | 6267 / EF86 | $20.00 | Matsushita | 120% | 2100 / 2000Gm | used (rb) | (M9) mesh plate |
1 | 6267 / EF86 | $20.00 | NEC | 130% | 2000 / 2000Gm | used (wb) | (M9) smooth gray plate |
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1 | 6F40 / EF804 | $75.00 | Telefunken | 120% | 100dmc | NOS (OB) | (M9) diamond base - box flap missing - EF86 w / diff pinout - low xtlk - low mic - low noise pentode |
1 | 6F40 / EF804 | $20.00 | Telefunken | 90% | 75dmc | used (wb) | (M9) (cat:409-10) diamond base |
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1 | 6DA6 / EF89 | $15.00 | Sonotone | 120% | 3600 / 2500Gm | NOS (OB) | (M9) --- |
1 | 6DA6 / EF89 | $18.00 | Amperex | 110% | 3500 / 2500Gm | NOS (OB) | (M9) world logo |
1 | 6DA6 / EF89 | $18.00 | Amperex | 110% | 3400 / 2500Gm | NOS (OB) | (M9) Holland |
1 | 6DA6 / EF89 | $18.00 | Amperex | 100% | 3300 / 2500Gm | NOS (OB) | (M9) Bugle boy |
1 | 6DA6 / EF89 | $18.00 | Valvo | 110% | 2800 / 2500Gm | NOS (OB) | (M9) --- |
1 | 6DA6 / EF89 | $7.00 | Amperex | 110% | 3600 / 2500Gm | used (OB) | (M9) world logo - Italy |
1 | 6DA6 / EF89 | $8.00 | Telefunken | 100% | 3500 / 2500Gm | used (rb) | (M9) diamond base |
1 | 6DA6 / EF89 | $8.00 | Telefunken | 100% | 3400 / 2500Gm | used (wb) | (M9) diamond base |
1 | 6DA6 / EF89 | $5.00 | Valvo | 100% | 3800 / 2500Gm | used (wb) | (M9) --- |
1 | 6DA6 / EF89 | $5.00 | Valvo | 120% | 2500 / 2500Gm | used (wb) | (M9) --- |
1 | 6DA6 / EF89 | $5.00 | Valvo | 100% | 2750 / 2500Gm | used (wb) | (M9) --- |
1 | 6DA6 / EF89 | $1.00 | Telefunken | 60% | 2800 / 2500Gm | used (L) | (M9) diamond base |
1 | 6DA6 / EF89 | $1.00 | Telefunken | 60% | 2500 / 2500Gm | used (L) | (M9) diamond base |
1 | 6DA6 / EF89 | $1.00 | Valvo | 80% | 2900 / 2500Gm | used (wb) | (M9) --- |
1 | 6DA6 / EF89 | $1.00 | Tungsram | 90% | 2900 / 2500Gm | used leaky (500K) (wb) | (M9) --- |
1 | 6DA6 / EF89 | $0.50 | WF | 50% | 1700 / 2500Gm | used (wb) | (M9) --- |
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1 | 12DA6 / UF89 | $10.00 | Valvo | 120% | 100dmc | used (wb) | (M9) --- |
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1 | 6386 | $50.00 | GE | 130% / 120% | 4500:4500 / 4000Gm | used (rb) | (M9) red lettering |
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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Don't forget to visit our
Discount Bargain Packs
and
Bargain Bin
for more savings!
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