Many thanks, great Nelson, unfortunately I was looking for the owner's manual that seems not to be found all over the planet.
I take this opportunity to ask you a question: I have an SL10 preamplifier that gains too much on the MC stage (I have a pair of Ortofon MC30).
These cartridges have a very low output (0.07 / 0.08 mV) perhaps among the lowest of all the Moving coil produced and I cannot raise the volume beyond the 11.00 am indication.
If one day I wanted to change cartridges by purchasing an MC with a slightly higher output voltage I would be forced to keep the volume knob even lower, moreover the knob operating in jerks does not perfectly facilitate the volume control.
Is there a circuit solution to allow that earns less with MC without upsetting the whole project?
My preamplifier is a model that has a switch to lower the sensitivity in the center of the pcb.
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Thank you very much Nelson (very gentleman) I will treasure these valuable tips regarding the modifications of the SL 10 that I will carry out as soon as possible and will read the attachments you have included regarding the CAS power amplifiers; I really hope to find an answer for this power amplifier in your attachments becouse in the instruction manual someone says that there are indications on which speaker connection cables to use "recommended by the factory" (perhaps the least capacitive possible or containing a resistive / capacitive network inside?) to avoid having problems with the power amp.
I am very enthusiastic about your products that I also own a Xono (not diy) that I have been using with enormous satisfaction for over 15 years that does not need any modification, it is perfect like that.
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