DIY Marantz 7 based preamplifier

Just a thought, have you tried a different and /or speakers to see if they interact differently ?

We do have an upcoming audio meet planned in April. I will certainly get this played over there in front of some more ears. Will post thr outcome soon.


Don't know how to help further. You've got good tubes already, can't say any more 'rolling' will change the sound appreciably.

Not received any tube suggestions here, yet, I do not think any drastic improvement or change is required, rather so tweaks including the suggested mods and tubes which are easier done by a not so comfortable diyer like me.
 
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