Found a pair of Magnepan MG10QR's that were very inexpensive and since I had MGIIB's back in the '80s, decided to give them a try with the dspNexus 2x8 DSP crossover.
The MGIIB's had an upgrade to do a passive line level biamp system for the woofer and tweeter panels. Did that with a good sound quality increase. Problem was a ~6KHz peak in response that the Hafler DH330 equalizer could tame, but did not sound very good in the system making the correction. We now have much better ways to actively correct response aberrations.
The system will also have a pair of servo subs for the response below 80Hz that the MG10QR's have from the specs. My favorite pairing is servo subs with planars, so this should be interesting.
The sensitivity is rated at 86dB/1W/1m, so going to try the new Orchard Audio Starkrimson Ultra DIY amps with generic 1kW SMPS per monoblock as they will double power from 250W into 8 Ohms to 500W into 4 Ohm loads. I like the way Leo's GaN Class D amps sound with planars like the LM10n's in the Magnetar II's.
If this works out, then it would be the setup to bring to CAF2023 in Nov. Gary has standard size rooms available, so have asked for one for the show. Room size is 13ft x 20ft, bigger than the 15ft x 15ft room for LSAF.
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