2 Classe ca 100's vs 1 Classe ca 200 ?

The basic circuitry is said to be identical but scaled to accomodate the various output levels. In other words, the 100 wpc amp has a power supply capable of X amount of amps with 8 output devices and the 200 wpc has a power supply capable of XX amount of amps with 16 output devices, etc... Same circuit design, just different capacities.

As someone else mentioned though and from what my ears tell me, there are either differences in circuit design, parts quality used or the bias levels are altered as the bigger models definitely sound "better" to me. Sean
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This may be true in this case, but I would hestitate to generalize, and alot depends on whether you plan to bridge, or vertically bi-amp. I know that, imo, a bi-amped pair of DNA 0.5s beats a single DNA 1.0.

Good point Swampwalker. What works best will be system dependent i.e. make & model of amps and speakers being used, etc.... My comments weren't meant to reflect on this type of installation in general, but on this specific installation with the amps mentioned. Sean
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I was curious about this too and reach out to Bryston -

How does two smaller amps vs one bigger amp compare? Specifically:
1) two 4b stereo's vs. one pair of 7b monos
2) one pair of 7b mono vs one 14b stereo
3) two 4b stereo's vs one 14b stereo
Research says separating the left/right and high/low channels will provide better separation - but what's the downside?
Since the combined power rating of each option is about the same - is one option louder, fuller, more relaxed?

Because the Bryston amps have totally independent channels (4B and 14B) the advantage of using separate amps for l/r and high/lows does not apply. So you can use 1 stereo amp per side and not have any crosstalk between channels.

The Maggies like to have a lot of voltage swing so the more powerful the amplifier the better the control. Even though 2 - 4B's might seem like it would give you the same power as 2-7B's or a 14B that is not the case because the passive crossover in the Maggie will limited the power to 300 watts on each driver as opposed to 600 watts from the 7B's or 14B's.

The 14B is two 7Bs in one box.
The 7b is a bridged 4 in one box.
They are essentially all the same.
A,.