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Just to have it said Long gone swedish microphone company SELA ran their tube mics at 4.5 volt DC heater voltage. It was the point where thermal...

For those wondering why scandinavians got different power transformers with funky bias arrangement on late 80s amps... it allows much lower...

Semko certification got sort of out maneuvered when we entered the EU back in mid nineties. From then on, things only needed CE certification,...

It's a -59 les paul Not a standard, but built with the same wood in the same factory, using the same parts and by the same people... J

To those of you who say it's fake. What do you see?... because I don't see it. Headstock has the proper "wings" Nut is standard gibson Nibs?.....

I started a thread on this about a year ago, using dual pot to combine crossline/type3 ppimv with variable nfb resistor...I think i called the...

If you replace the broken Jack, the loop is hard bypassed by relays when nothing is plugged into the loop J

https://www.proaudioservice.co.uk/product/marshall-dsl100-amp-pcb-board-jcm2-60-00-100w/

May i suggest instead.... get a replacement pcb.. all the electrolythic caps already installed and you never need to worry about bias drift...

How about an SLO ... hot rod with Marshall heritage and could still get respect if well done, even if the chassis is swiss-cheesed..

If you lift the nfb loop, it's easier to trace where problems start

All you need is a plexi and the knobs on your guitar. J

It's the same as any other 2203... only graphics on the panels differ

I've Said This Many Times In The Other Threads... there needs to be a certain ratio cone/ Baffle area, or you will lose a lot of low end and...

Any ground.. chassis or circuit. A few milivolts might be ok. ~100 milivolts or more is bad J

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Most likely the opamp (TL072) siting closest to the input. Are you comfortable working on a live amp? There should be no DC offset on either of...

Without getting into endless standby pro's/cons discussion.. why not just trust Marshall on the no standby issue?... J

[ATTACH] 10mm vasher installed by removing the knob and sliding it over, before the strap then reinstall... it stays there until you pull the...

Best will depend on player and situation.. I prefere the SV20 over the others thou, and this is why.. If you set up an sv20 with attenuator...