EH 12DW7 Triode
The EH 12DW7 triode is two triodes but one has a gain of 100 and the other half a gain of 20.
Think of it as having one half of an ECC83 ( 12AX7) and and the other half from the ECC82 ( 12AU7). The Electro Harmonix 12DW7 triode valve is certainly an interesting valve for experimenting with your sound especially if you want a clean sounding amp.
It can be used to lower the gain in amps. Some interesting sound modifications can be made with this valve .
Peavey and Ampeg amps take advantage of this feature. It is also known as the ECC832. The 12DW7 is made in Russia. As the valves is designed with two different gain stages it cannot be matched / balanced.
We test every valve we sell ad are in our UK stock
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We also give a 180 day from receipt warranty on the product ( excludes user caused mechanical damage ) for peace of mind .