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Here is the reference schematic of our SLOCLONE 100W. To perform the 12AT7 Mod had carried out the replacement of some resistors, to better adapt the new valve to the circuit.
Namely: R36 = 56K-2W; R37 = 68K-2W; R33 = 680Ohm-1/2W; R32 = 6.8K-1W; R33 = 3.3K - 1W.
This transformation is particularly recommended in the case of 100W heads, employing four power tubes.
Also for those who like to experiment with new sounds and maybe you can settle for a power a bit 'lower than the canonical 100W (or 50 ...), I would be happy to describe how to transform sloclone with a ECC82/12AU7 in the pilot / phase splitter and triode connect 6L6's. I should not have said, if we had not had amazing results!..
In this way one renounces also "presence" and "deph" controls (because it eliminates the NFB, with which they interact)",
but I guarantee that if you can easily do without.
In this way one renounces also "presence" and "deph" controls (because it eliminates the NFB, with which they interact)",
but I guarantee that if you can easily do without.