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I already posted this in a separate thread but since it fits in here I show it again :mrgreen: : http://farm6.staticflickr.com/5109/5598184284_dd8bf8d145_z.jpg The picture above shows the amp how it looks right now, after I removed some black paint from the front. It had a technical restoration too ...

Coming back with a question for the tech experts: So I swapped in the JJ KT88s and measured the BIAS. I could not go lower than 48 mA, then I reached the lower limit of one of the onboard trim pots. So I adjusted the BIAS to 48 mA for both pairs of KT88s. Anyway, I'm wondering if the BIAS might be a...

The amp works fine and sounds good, as far as I can tell. So I presume the KT88s are OK, just a little dirty. The amp was being used regularly by the previous owner in the past 35 years. But anyway you're probably right about the caps needing to be replaced. I'll bring the amp to a well renowned tec...

Hi all! I'm new here, so this is to introduce myself and show you what I acquired yesterday. 8) I hope you like it, too: The amp is approximately 1 year older than me. It's a Slave 200, serial no. 1319! Caps and volume pot have date codes 70.34 and 70.24, respectively. I presume the amp was made in ...