12DW7 - 7247 - ECC832
The 12DW7 is a fairly obscure tube that several amplifier manufacturers used in the past. The tube is essentially one-half 12AX7 and one half 12AU7 with unbalanced triodes. It makes a lot of sense to use in circuits with limited space.
Compatible and/or equivalent tubes: 12DW7, 7247, ECC832.
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New Matched Octet (8) Electro-Harmonix 12DW7 / ECC832 Vacuum Tubes
Electro-Harmonix
$334.60New Gain Matched Octet of Electro-Harmonix 12DW7 / ECC832 Vacuum Tubes Superior dual triode preamp tube. One triode is a high-mu 12AX7 equivalent, and the other a medium-mu 12AU7, combined in this dual triode. • New design of excellent quality...NP193-8$334.60 -
New Matched Septet (7) Electro-Harmonix 12DW7 / ECC832 Vacuum Tubes
Electro-Harmonix
$292.70New Gain Matched Septet of Electro-Harmonix 12DW7 / ECC832 Vacuum Tubes Superior dual triode preamp tube. One triode is a high-mu 12AX7 equivalent, and the other a medium-mu 12AU7, combined in this dual triode. • New design of excellent quality...NP193-7$292.70 -
New Matched Sextet (6) Electro-Harmonix 12DW7 / ECC832 Vacuum Tubes
Electro-Harmonix
$251.35New Gain Matched Sextet of Electro-Harmonix 12DW7 / ECC832 Vacuum Tubes Superior dual triode preamp tube. One triode is a high-mu 12AX7 equivalent, and the other a medium-mu 12AU7, combined in this dual triode. • New design of excellent quality...NP193-6$251.35 -
New Matched Quintet (5) Electro-Harmonix 12DW7 / ECC832 Vacuum Tubes
Electro-Harmonix
$210.00New Gain Matched Quintet of Electro-Harmonix 12DW7 / ECC832 Vacuum Tubes Superior dual triode preamp tube. One triode is a high-mu 12AX7 equivalent, and the other a medium-mu 12AU7, combined in this dual triode. • New design of excellent quality...NP193-5$210.00 -
New Matched Quad (4) Electro-Harmonix 12DW7 / ECC832 Vacuum Tubes
Electro-Harmonix
$168.65New Gain Matched Quad of Electro-Harmonix 12DW7 / ECC832 Vacuum Tubes Superior dual triode preamp tube. One triode is a high-mu 12AX7 equivalent, and the other a medium-mu 12AU7, combined in this dual triode. • New design of excellent quality •...NP193-4$168.65 -
New Matched Trio (3) Electro-Harmonix 12DW7 / ECC832 Vacuum Tubes
Electro-Harmonix
$127.30New Gain Matched Trio of Electro-Harmonix 12DW7 / ECC832 Vacuum Tubes Superior dual triode preamp tube. One triode is a high-mu 12AX7 equivalent, and the other a medium-mu 12AU7, combined in this dual triode. • New design of excellent quality •...NP193-3$127.30 -
New Matched Pair (2) Electro-Harmonix 12DW7 / ECC832 Vacuum Tubes
Electro-Harmonix
$85.95New Gain Matched Pair of Electro-Harmonix 12DW7 / ECC832 Vacuum Tubes Superior dual triode preamp tube. One triode is a high-mu 12AX7 equivalent, and the other a medium-mu 12AU7, combined in this dual triode. • New design of excellent quality •...NP193-2$85.95 -
New Electro-Harmonix 12DW7 / ECC832 Vacuum Tube
Electro-Harmonix
$41.56New Gain Tested Electro-Harmonix 12DW7 / ECC832 Vacuum Tube Superior dual triode preamp tube. One triode is a high-mu 12AX7 equivalent, and the other a medium-mu 12AU7, combined in this dual triode. • New design of excellent quality • Relabeled...NP193-1$41.56 -
Gain Matched Octet (8) JJ 12DW7 / ECC832 / 7247 Vacuum Tubes - Brand New
JJ Electronic
$224.29Gain Matched Octet (8) JJ 12DW7 / ECC832 / 7247 Vacuum Tubes - Brand New JJ is an undisputed leader in modern vacuum tube manufacturing, and for good reason. In the preamp stage, their ECC832 (12DW7 / 7247) is an industry favorite, as it provides...NP107-8$224.29 -
Gain Matched Sextet (6) JJ 12DW7 / ECC832 / 7247 Vacuum Tubes - Brand New
JJ Electronic
$168.62Gain Matched Sextet (6) JJ 12DW7 / ECC832 / 7247 Vacuum Tubes JJ is an undisputed leader in modern vacuum tube manufacturing, and for good reason. In the preamp stage, their ECC832 (12DW7 / 7247) is an industry favorite, as it provides...NP107-6$168.62 -
New Gain Matched Quad (4) JJ 12DW7 / ECC832 / 7247 Vacuum Tubes
JJ Electronic
$113.50New Gain Matched Quad of JJ 12DW7 Vacuum Tubes JJ is an undisputed leader in modern vacuum tube manufacturing, and for good reason. In the preamp stage, their ECC832 (12DW7 / 7247) is an industry favorite, as it provides excellent sonic performance...NP107-4$113.50 -
New Gain Matched Trio (3) JJ 12DW7 / ECC832 / 7247 Vacuum Tubes
JJ Electronic
$85.94New Gain Matched Trio of JJ 12DW7 Vacuum Tubes JJ is an undisputed leader in modern vacuum tube manufacturing, and for good reason. In the preamp stage, their ECC832 (12DW7 / 7247) is an industry favorite, as it provides excellent sonic performance...NP107-3$85.94 -
New Matched Pair (2) JJ 12DW7 / ECC832 / 7247 Vacuum Tubes
JJ Electronic
$58.38New Gain Matched Pair of JJ 12DW7 Vacuum Tubes JJ is an undisputed leader in modern vacuum tube manufacturing, and for good reason. In the preamp stage, their ECC832 (12DW7 / 7247) is an industry favorite, as it provides excellent sonic performance...NP107-2$58.38 -
New JJ 12DW7 / ECC832 / 7247 Vacuum Tube
JJ Electronic
$28.62New Gain Tested JJ 12DW7 Vacuum Tube JJ is an undisputed leader in modern vacuum tube manufacturing, and for good reason. In the preamp stage, their ECC832 (12DW7 / 7247) is an industry favorite as it provides excellent sonic performance along with...NP107-1$28.62