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In Reply to: RE: I am new here... posted by Penguin on June 25, 2009 at 18:02:31
Welcome!
All of the MA-1s ever built have an internal wiring scheme that is intended to minimize the effects of that wiring. Consequently it is a chore to disassemble the speaker connection, as the speaker signal is literally assembled on the speaker terminals themselves. This is the most critical connection in the amplifier- we had to make special tools to do the assembly correctly.
The MA-1 MkIIs do not have a lot of rear chassis space internally. The best location for for a second set of terminals would be directly beside the first pair, between them and the corner away from the fuses. Be very careful if you attempt this- most of the MkIIs are stainless steel (even the painted ones) -tricky to drill and punch through, so it will be very easy to make a mess, and that will be the easy part! Actually hooking up the second set of terminals so that they don't affect the sound will be the biggest challenge.
Thank you,I guess "nothing is simple" applies here. Based on your comments Ralph, the risk is not worth the convenience gained by performing this mod. I did not realize the complexities of the internal wiring.
BTW thank you for making the asking of this question even possible ...I am simply lost for comments when it comes to the sound of these beasts.
dee
;-D
True terror is to wake up one morning and discover that your high school class is running the country.quote by Kurt Vonnegut
Edits: 06/27/09 06/27/09
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