Sega Model 2 Power AMP & Lowpass

rikitheshadow

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Donor 2011
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Hey I got a general question for those of you who know anything about the power amp and lowpass amps used in Sega's Model 2 system. It appears in the diagram that there is as specific transformer used to supply power to the audio system. The manual says it outputs about 12.5v at 6A and I was wondering if it was a DC voltage? And let's say if I used an ATX psu from an older computer for the main game boards, it can support a 13 amp load on the 12v rail. Would that be sufficient enough? Or would ya'll have any suggestions for setting it up so at least I can get a response from the audio section through just the front 2 channels. I know this rig also supports 2 tweeters and a subwoofer besides the front L ad R audio channels.

Oh and another question is if anyone knows where I could find a 'good' wiring diagram? The www.sauservice.com site provides a crappy scan quality of their manuals which makes small text completely unreadable.
 
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