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Help with Acoustat Model 1 + 1

I recently bought a pair of Acoustat Model 1 + 1 with Hafler Mk121 transformers. I foolishly bought 'em without testing, and of course, the transformers were near-DOA, but I was able to get 'em repaired and the speakers working. However, I'm struggling with the following and would very much appreciate your counsel:
1. Am I best served leaving the transformers plugged in? Do they need to stay charged? They seem like an electrical fire waiting to happen.
2. I've been testing the speakers with a 150w/ch 80s HK integrated; high voltage/high current, but still need to crank the amp up to get decent volume level. Is it possible I'm underpowering even at 150w?
3. The Acoustat passive sounds marginal; will I encounter any special difficulty trying to integrate a modern powered sub?
Thanks in advance for your insights.
loomisjohnson

Showing 2 responses by klinerm

klinerm
80 posts
 
Loomis,

You may want to experiment with tubes driving your 1+1s, especially if you have a friend who will loan you an amp(s). They won't produce the bass that that giant Carver will, but that 3-D magic will likely get even better. I've had various Acoustats for 30 years, switched to tubes from solid state 10 years ago, haven't looked back.

Richard
klinerm
80 posts
 
CAT JL-3 monoblocks
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