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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 2E30 $10.00 GE 120% 4400 / 3000Gm NOS (OB) (M7) ---
1 2E30 $10.00 GE 120% 4300 / 3000Gm NOS (OB) (M7) ---
1 2E30 $10.00 Hytron 115% 3800 / 3000Gm NOS (OB) (M7) ---
1 2E30 $10.00 Raytheon 120% 4200 / 3000Gm NOS (OB) (M7) ---
1 2E30 $5.00 Hytron 120% 4400 / 3000Gm used (rb) (M7) ---
1 2E30 $5.00 Hytron 110% 4100 / 3000Gm used (rb) (M7) ---
1 2E30 $5.00 Hytron 100% 3800 / 3000Gm used (L) (M7) ---
1 2E30 $5.00 CBS 110% 3400 / 3000Gm used (L) (M7) ---
1 2E30 $5.00 CBS 120% 3400 / 3000Gm used (L) (M7) ---
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)
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 130% 3200 / 2300Gm NOS (OB) (M7) Bugle Boy - england
1 6AU6 $10.00 Amperex 120% 3400 / 2300Gm NOS (OB) (M7) world logo - japan
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 6AU6A / 8425A $5.00 GE 110% 2900 / 2300Gm NOS (wb) (M7) ---
1 6AU6A / 8425A $5.00 GE 120% 2900 / 2300Gm NOS (wb) (M7) ---
1 6AU6A / 8425A $5.00 GE 120% 2900 / 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 6AU6 $5.00 RCA 130% 3100 / 2300Gm NOS (wb) (M7) black plate
1 6AU6A $5.00 RCA 120% 3000 / 2300Gm NOS (wb) (M7) black plate
1 6AU6A $5.00 RCA 130% 2600 / 2300Gm NOS (OB) (M7) black plate - red lettering
1 6AU6A $5.00 RCA 130% 3300 / 2300Gm NOS (OB) (M7) black plate - red lettering
1 6AU6A $5.00 RCA 120% 2900 / 2300Gm NOS (OB) (M7) black plate - red lettering
1 6AU6A $5.00 RCA 110% 2500 / 2300Gm NOS (OB) (M7) black plate - red lettering
1 6AU6A $5.00 RCA 120% 2800 / 2300Gm NOS (OB) (M7) black plate - red lettering - worn box
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 $3.00 RCA 110% 2400 / 2300Gm used (ob) (M7) black plate - white lettering
1 6AU6 $3.00 RCA 110% 2700 / 2300Gm used (wb) (M7) gray plate
1 6AU6 $2.50 Webster Electric (by RCA) 110% 2400 / 2300Gm used (wb) (M7) black plate
1 6AU6 $3.00 Sylvania 130% 2900 / 2300Gm used (wb) (M7) ---
1 6AU6 $3.00 Motorola 130% 2900 / 2300Gm used (wb) (M7) ---
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 6AU6A $2.50 Sylvania 130% 3200 / 2300Gm used (rb) (M7) ---
1 6AU6A $2.50 Sylvania 130% 3200 / 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) ---
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
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 6DL5 $10.00 RCA 110% 110dmc NOS (OB) germany
1 6DL5 / EL95 $10.00 RCA 120% 110dmc NOS (OB) germany
1 6DL5 / EL95 $10.00 RCA 120% 110dmc NOS (OB) ---
1 6DL5 / EL95 $10.00 RCA 120% 110dmc NOS (OB) germany
1 6DL5 / EL95 $10.00 RCA 110% 100dmc NOS (OB) germany
1 6DL5 / EL95 $10.00 RCA 110% 100dmc NOS (OB) germany
1 6DL5 / EL95 $10.00 RCA 110% 90dmc NOS (OB) germany
1 6DL5 / EL95 $10.00 RCA 110% 90dmc NOS (OB) britain
1 6DL5 / EL95 $10.00 Sylvania 120% 110dmc NOS (OB) yellow lettering - grid 'c' clip
1 6DL5 / EL95 $10.00 GE 110% 100dmc NOS (OB) britain
1 6DL5 / EL95 $10.00 Sonotone 110% 110dmc NOS (OB) germany
1 EL95 $5.00 Valvo 100% 100dmc used (rb) ---
1 EL95 $5.00 Valvo 90% 90dmc used (rb) holland
1 EL95 $5.00 Valvo 90% 80dmc used (rb) ---
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
1 PL95 $5.00 Telefunken 100% 90dmc used (wb) (4.5V EL95)
1 PL95 $3.00 Valvo 110% 110dmc used (wb) (4.5V EL95)
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)
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
1 6GM8 / ECC86 $25.00 Telefunken 90% / 90% 2600: 3000 / 2500Gm used (rb) (M9) gray plates - top getter - diamond base stamp
1 400-B $7.50 Western Electric 90% diode: 90% 950 / 900Gm used (wb) (M7) special 1R5
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
1 408A $2.50 Western Electric 130% 5000 / 4200Gm used (wb) (M7)
1 408A $2.50 Western Electric 120% 4800 / 4200Gm used (wb) (M7)
1 408A $2.50 Western Electric 110% 4600 / 4200Gm used (wb) (M7)
1 408A $2.50 Western Electric 120% 5000 / 4200Gm used (wb) (M7)
1 408A $2.50 Western Electric 130% 5000 / 4200Gm used (rb) (M7)
1 408A $2.50 Western Electric 140% 4800 / 4200Gm used (wb) (M7)
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
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)
1 5842 $7.50 Amperex 120% 9500 / 7500Gm used (L) (M9) JAN
1 5842 $7.50 Raytheon 140% 10500 / 7500Gm used (L) (M9) JAN
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 120% 1300 / 1000Gm NOS (OB) (M9) ---
1 5879 $9.00 RCA 110% 1200 / 1000Gm NOS (OB) (M9) ---
1 5879 $9.00 RCA 135% 1400 / 1000Gm NOS (OB) (M9) ---
1 5879 $9.00 RCA 120% 1300 / 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 120% 1250 / 1000Gm used (wb) (M9) ---
1 5879 $5.00 RCA 125% 1300 / 1000Gm used (wb) (M9) ---
1 5879 $5.00 RCA 110% 1250 / 1000Gm used (wb) (M9) ---
1 5879 $5.00 RCA 130% 1400 / 1000Gm used (wb) (M9) ---
1 5879 $5.00 RCA 130% 1350 / 1000Gm used (wb) (M9) ---
1 5879 $5.00 RCA 120% 1250 / 1000Gm used (rb) (M9) ---
1 5879 $5.00 RCA 135% 1350 / 1000Gm used (wb) (M9) US Navy
1 5879 $5.00 RCA 120% 1200 / 1000Gm used (ob) (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) ---
1 M8161 / 6065CV-4015 $30.00 Mullard 125% 2450 / 2000Gm NOS (OB)
1 M8161 / 6065CV-4015 $30.00 Mullard 115% 2400 / 2000Gm NOS (OB)
1 M8161 / 6065CV-4015 $30.00 Mullard 110% 2200 / 2000Gm NOS (OB)
1 M8161 / 6065CV-4015 $30.00 Mullard 110% 2100 / 2000Gm NOS (OB)
1 M8161 / 6065CV-4015 $30.00 Mullard 110% 2150 / 2000Gm NOS (OB)
1 M8161 / 6065CV-4015 $30.00 Mullard 110% 2300 / 2000Gm NOS (OB)
1 M8161 / 6065CV-4015 $30.00 Mullard 110% 2050 / 2000Gm NOS (OB)
1 M8161 / 6065CV-4015 $30.00 Mullard 110% 2150 / 2000Gm NOS (OB)
1 M8161 / 6065CV-4015 $30.00 Mullard 110% 2250 / 2000Gm NOS (OB)
1 M8161 / 6065CV-4015 $30.00 Mullard 110% 2050 / 2000Gm NOS (OB)
1 M8161 / 6065CV-4015 $30.00 Mullard 105% 2100 / 2000Gm NOS (OB)
1 M8161 / 6065CV-4015 $30.00 Mullard 100% 2050 / 2000Gm NOS (OB)
1 M8161 / 6065CV-4015 $30.00 Mullard 100% 2150 / 2000Gm NOS (OB)
1 M8161 / 6065CV-4015 $30.00 Mullard 100% 2100 / 2000Gm NOS (OB)
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)
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
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
1 6EJ7 / EF184 $2.50 Telefunken 60% 75dmc used (wb) (M9) (cat:409-10) diamond base
1 6EJ7 / EF184 $2.50 Telefunken 60% 100dmc used (wb) (M9) diamond base
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) ---
1 12DA6 / UF89 $10.00 Valvo 120% 100dmc used (wb) (M9) ---
1 6354 / 150B2 $5.00 Amperex 149.5 Volts --- Used NOS voltage regulator
1 6354 / 150B2 $5.00 Amperex 145.5 Volts --- Used NOS voltage regulator
1 6386 $50.00 GE 130% / 120% 4500: 4500 / 4000Gm used (rb) (M9) red lettering
1 6973 $35.00 Sylvania 130% 100dmc NOS (OB) (M9) (cat:A22)
1 6973 $15.00 unknown 90% 70dmc used good (wb) (M9) (cat:A22)
1 6973 $20.00 unknown 100% 70dmc used good (wb) (M9) (cat:A22)

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