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Bass leaves after amp warms up?

I don't understand-after my Musical Fidelity M6i amp warms up for about an hour I notice the deep bass & kick drum aren't the same.
They sound less musical with loss of weight/depth.The notes are there but the moving of air have left.Sound is has much less impact and boreing.
I had the same problem with Bryston amp so there is no defect with amps nor with the rest of my equipment/
PSB Synchrony one speakers,AQ cables,Bryston CD Player.
My question has anyone heard similar & is there a plausable reason?
fishing716
fishing716 OP
316 posts
 
The AA Power 1 mk.3 integrated is 200 watts into 8ohms
I paid $5000 new w/phono from distriubuter for a show demo open box.
I have 15 day test drive w/return option & no restock.
Although shipping both ways using fedex air w/insurance would be around $400
I chose this amp over Musical Fidelity pre/prx also Modwright KWI 200 & yamaha s2000
The amp arrives Wednesday-
I will post first impressions soon after
lowrider57's avatar
lowrider57
5,417 posts
 
Have read nothing but good things about that amp.
tls49's avatar
tls49
1,351 posts
 
Fishing, definitely appears to be a very high quality integrated and I do hope this new amp works well for you, however someone has misinformed you about the power. The ratings I quoted was from the company's website.

http://www.accusticarts.com/pdf/produktblatt/power-I-mk3.pdf

Agree with Mapman, what's on paper never tells the whole story.
acresverde
390 posts
 
I'm with you Seikosha. I very seriously doubt that Fish's audio gremlins have anything to do with the amp.
fishing716 OP
316 posts
 
High damping factor for perfect speaker control
What does this mean?

listed under features of amp I'm about to audition
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