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Digital Amplifier Questions

I've been wondering the following:

1. Do digital amps benefit from being left on 24/7in the same way the ss amps do?

2. Is plugging a digital amp into a different outlet as your preamp as crucial compared to a ss amp?

3. Do digital amps have small transformers? If so, is distancing equipment from one another less important? (My peachtre Nova Pre/220 look best stacked)

4. When upgrading power cords on a digital amp, do you look for cords that do well with digital gear like your preamp and dac, or do you still go for a beefy cord?

I apologize ahead of time for my ignorance on the matter! Thanks!
b_limo
guidocorona
4,298 posts
 
Thank you Tim, keep me posted... But do not worry too much if you hear a bit of increased hash on the tuner... IMO the impact of a little bit of RF leakage from a class D amp does not necessarily translate into a perceivable degradation of overall system performance. E.g. ICEpower modules seem to leak a bit... Yet, Bel Canto REF1000M and Rowland M312 remain marvelous sounding amps in their own rights. G.
ricred1
2,082 posts
 
I never thought changing from an Parasound A21 to the 525 would yield so many improvements...the most noticeable is spacing between instruments.In my system the highs are musical,real,great tonality, and the mids are even better. The bass compared to the A21 is very different...A21 sounds bigger, 525 tight and detailed. I don't know how much better the 525 will get, but I'm already satisfied. I've reached a point that I'm enjoying music and done buying for now.
guidocorona
4,298 posts
 
Hi Richard... Congrats for M525!!!!

Is the unit new or used? If used, how many hours on it? Overtight bass is likely to relax with more playing time.

G.
guidocorona
4,298 posts
 
Could you also give us initial comments on other Rowland M525 parameters compared to Parasound A21....

Overall stage and image sizes;
Authority;
Transients distortion and speed;
Macro and microdynamics;
Harmonic complexity;
treble sweetness in complex passages;
Sense of the recording venue surrounding instruments.

Saluti, G.
b_limo's avatar
b_limo OP
2,290 posts
 
Not of real importance, but Jeff Rowland gear is absolutely beautiful. I saw his gear at RMAF a few years back and if I remember correctly, the chassis is machined out of solid billets of aircraft aluminum. Jeff also lives in the same city as I do, probably less than 20 minutes away from me... maybe someday I will be able to afford some of his gear :)
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