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PostPosted: 20 May 2010, 15:22 
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Joined: 20 May 2010, 15:08
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Can anyone tell me (with ABSOLUTE certainty) which of the older generation NAD amplifiers (2200, 3xxx, N2xx, eN3xx, tc.) used bipolar output transistors and which one's used mosfet devices? I already know that the 2400 & 2600 'power envelope' used & tight sounding Bipolar devices but I can't find one in Europe that runs on 220v-50Hz. I see many of the other NADs for sale locally but I fear they might be of their Mosfet design which not ideal for the bass amp in bi-amping.

Also, I am eventually seeking an older generation (110v powered) NAD Integrated amp (or similar durable brand) which uses mosfets and not bipolars to modify and give to a friend in America - can anyone please tell me which of the older lower-power (40-75wpc) NAD Integrated amps (or similar sweet-sounding durable Fet integrated amps)that are likely to be found cheaply but used only m-Fets in their output stage?

I'm only seeking advice and model numbers to research at this time. please reply to sam_and_marty1(at) yahoo Thanks!


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PostPosted: 21 May 2010, 19:00 
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Joined: 28 May 2008, 21:53
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Location: Winnipeg, CANADA
Take a peak at the schematics - they are generally available on the net for free. Google is our friend.
Cheers

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PostPosted: 22 May 2010, 01:17 
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Joined: 22 May 2010, 00:53
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Location: Winnipeg, Canada
I did NAD warranty here in Winnipeg for close to 15 years and don't remember ANY NAD output stages using MOSFETS, especially from the time period you mentioned.

HTH

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PostPosted: 24 May 2010, 10:16 
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Hi TAE8450, welcome to the forum. Good to have another Winnipeger on board.
Cheers, Gio

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