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Hey dudes, Thanks much for your answers ! Yes i do agree mark, buying just the amp for the preamp would be overkill. And looking at the schematics on your website, it's not that hard to build one from scratch. I think i was a bit too excited to explain myself clearly. Mark yeah i do agree that would...

Seems it's my lucky era with vintage hiwatt. Just saw a local ads for a 69 hiwatt dr103 head just checked out, at a decent price. Is it worth the money to use it as main bass amp with the STA 200 ? Using the slave out would it bypass the dr103 power amp section ? I don't think so looking at the sche...

Hi mark,

Yes the vintage ones i can find would cost at least as much as the amp himself. And as you both said the JJ KT88 works fine so i won't go trendy and listen to my ear. The JJ Works Great, were properly biased by a tube tech expert, I'll stay stick with them.

Hi, Thanks for your answer Dad and for your introducing. I'm from France too BTW, i think we might have speak together on Basschat (DR203 in France aren't so common). Ok i got the concept about the two inputs, i didn't thought about daisy chaining several slaves amp now i got it ! Thanks a lot. I al...

Hello, I bought an Hiwatt STA 200 (4KT*88) SN 1925 from the ~71 according to mark date and serial website. I tried to look at schematics but didn't found ones that clearly show how the little preamp that's in it works. So have some little stupid questions. There are two inputs. I don't think it's on...