Amp for Dahlquist DQ-10

Any thoughts on the GFP 565 vs the GFP 750? Cost seems to be about $300 vs $750. I'd want to consider spending the extra $ if it was a significant improvement.

I did see a CJ PF1 in the $4-500 range, but I'm concerned that an older tube pre amp might require more attention than I want to give it (not sure how long tubes last or how tempermental it might be). Is my concern overblown?

Laffer, the PF1 is Solid State, Nice vintage piece of goods. Tim

The GFP565 is known to be Adcom's best standard line product, however the GFP750 is not their standard line product, it was contracted by Nelson Pass, there are a ton of threads and arguments about it here on Audiogon, but any way you look at it, it is in another league, better than the GFP565.

I ran mine with a pair of "bridged" CITATION 16a's to a very nice result. I had a stacked double pair of Mirror Imaged DQ-10's.

The soundstage was stunning!!

I've listened to several pair of DQ-10s with various electronics; in general you can't go too far wrong with any good amp or preamp, or even a good receiver. At the low end you would be surprised how good they can sound with a Marantz 2230, 2245, or 2270 receiver (assuming the receiver has the original parts and they are operating properly). For still better sound, go with a tube amp and preamp. An Audio Research D76A amp with an Audio Research SP3A1 might blow you away with open airy detailed highly imaged sound. Other good tube equipment would probably provide a similar effect. The more power you can deliver the happier the DQ-10s will be - they like power. So you probably want 70 to 200 watts per channel if can afford it - but even around 70 watts you can get the job done. I think if you replace that Crown pre-amp you might be surprised with what else the DQ-10s can reveal in the way of pleasant sound. Keep working on your electronics - the DQ-10s are almost impossible to beat for the price they go for on the used market. Let us know what you wind up doing.