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Old 9th November 2010, 10:55 AM   #1
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Default Preamp for Tim Mellow's 6C33C OTL

hello,

any preamp suggestions for Tim Mellow's 6C33C OTL amp?

two channels needed, normal and phono preamps. i'm planning something around e88cc tubes, but not nessessary...

what do you think about this?
Click the image to open in full size.

what for phono?

thanks,
flanagan
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Old 9th November 2010, 05:33 PM   #2
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What is the input sensitivity of the amp? If you need more gain just add a single triode such as a 6J5 to the "front" of the amp. The above circuit adds several tubes and caps in the signal path along with neg FB.
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Old 9th November 2010, 06:37 PM   #3
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input impedance is 26k.
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Old 9th November 2010, 07:13 PM   #4
el156 is offline el156  Portugal
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The 6DJ8 needs at least to run at 5 - 6 mA to be more linear ....
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