OTL Amps and ProAc Speakers

Hello JLA- I have a GM20, though a special European version. Though OTLs usually prefer higher impedance speakers with at least moderate efficiency, my GM20 is amazing on my 4 ohm Venture speakers. It seems much more powerful than my 50W SET amps. The only consideration with the GM20 is that it has a lot of gain which can be great if you're using a passive or low gain active preamp. The only issue with the 1SC would be trying to overdrive them with alot of deep bass. I've heard the 1SC bottom out when driven hard. Other than that, it should be a great combination. Good luck.

Hello again, Jla- I'm certain that the Wadia straight in would work fine as long as the interconnects are kept relatively short. The question of pre-amp or not to pre-amp has been asked and answered many times here. There certainly is "cleanliness" usually found with no additional active stages. However, with a great pre-amp, the sound can be almost supercharged - not as clean or pure, but with better drive and authority. You'll have to find out for yourself which camp you prefer to be in. Trust your ears and listen for the emotional connection to the music, not just for detail. Good luck.