**HELP**. Egnater M4 Question

Discussion for both Egnater & Randall modular amps

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**HELP**. Egnater M4 Question

Post by mfred » Wed Jan 08, 2020 7:48 pm

I just purchased a used Egnater Dual Channel M4 Preamp. My question is there are two tubes in the main chassis. (From the Back, Upper Right- Lower Left Diagonally). My unit came with two JJ 12AX7A tubes installed. Is this the correct tube for my unit? I read somewhere that one was supposed to be a 12AT7. Please help

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Re: **HELP**. Egnater M4 Question

Post by Burlo » Wed Jun 09, 2021 6:32 am

Has nobody ever responded to this? !

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Re: **HELP**. Egnater M4 Question

Post by j4q0 » Wed Jun 09, 2021 8:29 pm

They're both 12AX7.
You can use a 12at7 on the input tube (bottom one) if you want toblower the gain on the first stage since that tube is V1.

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