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AnonymousUser wrote:

the patricians shake the rafters with 18 watts but  I am still trying to improve their sound…

Hm, shaking rafters is not good sign at all and it is said very little about the subject I was taking about. There is differents between power and gain. Lamm has 2dB more gain then Melq (Lamm has 2 stages). Also, Lamm use regulated 6C33C. Although I’m against the plate regulation but in case the 6C33C the jury is still out. Undoubtedly the plate regulation does damage sound, including in the Lamm, but it also have some benefits. Also, Lamm is not 18W but slightly more, according to the Atkinson’s measurements, I think he claimed 22W or something like this…

Still, it is not about the power only. Even 5W might “shake the rafters” but the question how they do it and what happen with sound when the output stage operate with high grid voltage. I do not think that anyone would be able to make this decision for you or give you an estimate, at least I won’t. If you want a cost effective solution but wiling to try to ride in the Melquiades wagon then do what I proposed you: build the Melquiades’s input stage and then drive with it your 845-based output stage. Then, after and if you get some perspective to the Melquiadesation you might go for more 6C33C- the more advanced sonically from my prospective but less powerful tube in your case.

Rgs,
Romy the Cat

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