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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On Sale
New Matched Quintet (5) Electro-Harmonix 12DW7 / ECC832 Vacuum Tubes
Electro-Harmonix
Now: $189.00Was: $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...NP193-5Now: $189.00Was: $210.00 -
On Sale
New Matched Quad (4) Electro-Harmonix 12DW7 / ECC832 Vacuum Tubes
Electro-Harmonix
Now: $151.79Was: $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 •...NP193-4Now: $151.79Was: $168.65 -
On Sale
New Matched Trio (3) Electro-Harmonix 12DW7 / ECC832 Vacuum Tubes
Electro-Harmonix
Now: $114.57Was: $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 •...NP193-3Now: $114.57Was: $127.30 -
On Sale
New Matched Pair (2) Electro-Harmonix 12DW7 / ECC832 Vacuum Tubes
Electro-Harmonix
Now: $77.36Was: $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 •...NP193-2Now: $77.36Was: $85.95 -
On Sale
New Electro-Harmonix 12DW7 / ECC832 Vacuum Tube
Electro-Harmonix
Now: $37.40Was: $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...NP193-1Now: $37.40Was: $41.56 -
On Sale
Gain Matched Octet (8) JJ 12DW7 / ECC832 / 7247 Vacuum Tubes - Brand New
JJ Electronic
Now: $201.86Was: $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...NP107-8Now: $201.86Was: $224.29 -
On Sale
Gain Matched Sextet (6) JJ 12DW7 / ECC832 / 7247 Vacuum Tubes - Brand New
JJ Electronic
Now: $151.76Was: $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...NP107-6Now: $151.76Was: $168.62 -
On Sale
New Gain Matched Quintet (5) JJ 12DW7 / ECC832 / 7247 Vacuum Tubes
JJ Electronic
Now: $126.95Was: $141.06New Gain Matched Quintet 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...NP107-5Now: $126.95Was: $141.06 -
On Sale
New Gain Matched Quad (4) JJ 12DW7 / ECC832 / 7247 Vacuum Tubes
JJ Electronic
Now: $102.15Was: $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...NP107-4Now: $102.15Was: $113.50 -
On Sale
New Gain Matched Trio (3) JJ 12DW7 / ECC832 / 7247 Vacuum Tubes
JJ Electronic
Now: $77.35Was: $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...NP107-3Now: $77.35Was: $85.94 -
On Sale
New Matched Pair (2) JJ 12DW7 / ECC832 / 7247 Vacuum Tubes
JJ Electronic
Now: $52.54Was: $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...NP107-2Now: $52.54Was: $58.38 -
On Sale
New JJ 12DW7 / ECC832 / 7247 Vacuum Tube
JJ Electronic
Now: $25.76Was: $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...NP107-1Now: $25.76Was: $28.62