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-   -   Rotel RMB- 100 (http://www.diyaudio.com/forums/solid-state/167097-rotel-rmb-100-a.html)

nhuwar 18th May 2010 08:25 PM

Rotel RMB- 100
 
Can anyone point me in the direction of a schematic for this amp?

Thanks,
Nick Huwar

east electronics 18th May 2010 09:18 PM

e mail me i have it

Sebastiaan 18th May 2010 09:20 PM

Quote:

Originally Posted by sakis (Post 2191572)
e mail me i have it

Oh I remember those lovely little mosfet monoblock's. If memory serves me well B&W sold them as well under the name MPA1

I would love to have the schematic to, I send u a PM sakis.

Thank you in advance,

With kind regrds,
Bas

east electronics 18th May 2010 09:23 PM

e mail sent

nhuwar 18th May 2010 11:36 PM

Sakis, I sent you a pm with my email.

Nick

Sebastiaan 19th May 2010 12:10 AM

Quote:

Originally Posted by sakis (Post 2191580)
e mail sent

Also to me? :D

With kind regards,
Bas

east electronics 19th May 2010 07:31 AM

e mail sent

Sebastiaan 19th May 2010 08:29 AM

Thank you Sakis! ;)

What a sweet design. Different then anything I've seen from Rotel. DC coupled, mosfet's. I wonder what is the function of the PC827 optocoupler in the bias circuit?

With kind regards,
Bas

kelte44 12th December 2010 07:36 PM

Hello Sakis,
one of my cubes is damaged today, would you pls so kind to send me a circuit?
Thanks Georg

Lolcol 12th August 2011 04:50 PM

You can download the manuals for the B&W MPA1, which is identical, from here.

Bowers and Wilkins manuals, schematics and brochures - Hifi Manuals

The dual opto-coupler is connected transistors TR318 & TR319, which in turn are connected to the o/p and detect any DC over current in the 0R22 source resistors. The coupler output shuts off the power via the auto turn on (ATO) function.


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