Denon Amp

[jeffvee]

I have a nice Denon PMA 720 Amp that I used primarily as the power for my old system, where I just had an inexpensive receiver. Now I have a receiver with 7.1 surround that has an amp built in. I have the Denon amp just sitting in a closet, so my question is, should I be utilizing this somehow with my current set up, or is this just obsolete for me now?

 

[mtrycrafts]

I have a nice Denon PMA 720 Amp that I used primarily as the power for my old system, where I just had an inexpensive receiver. Now I have a receiver with 7.1 surround that has an amp built in. I have the Denon amp just sitting in a closet, so my question is, should I be utilizing this somehow with my current set up, or is this just obsolete for me now?

You can use it in your setup now if you have pre amp outputs for any of the channels. Then you would use an interconnect to the amps input. What is the power rating of the amp and receiver?

 

[jeffvee]

Denon Amp & H/K Receiver power spec's

The Denon amp power ratings are: Continuous 90 W per channel min.,into 8 ohms from 20 Hz to 20 kHz with no more than 0.01% total harmonic distortion.

The receiver is : 90 watts per channel,20 Hz - 20 kHz, @ <0.07% THD, both channels driven into 8 ohms.

I do have the capabilities of connecting via a pre-amp output on my receiver. The power ratings to me look similar.???

Thanks

 

[MACCA350]

Personaly I would use the PMA with the receiver to Bi-amp the fronts, unless you wish to use it for a second zone.

cheers

 

[mtrycrafts]

The Denon amp power ratings are: Continuous 90 W per channel min.,into 8 ohms from 20 Hz to 20 kHz with no more than 0.01% total harmonic distortion.

The receiver is : 90 watts per channel,20 Hz - 20 kHz, @ <0.07% THD, both channels driven into 8 ohms.

I do have the capabilities of connecting via a pre-amp output on my receiver. The power ratings to me look similar.???

Thanks

Yes, the power is most similar
Since you have it and is not paying you back sitting in the closet, I would use it on two channels just to pay for its keep.
Bi-amping is not that beneficial in a passive crossover mode.

 

[MACCA350]

The benefit is more power on tap for his fronts, this can really open some speakers up.

I had a listen to the Wharfedale Opus 3 through a 100W/ch HK receiver, they sounded laid back and bland. We then ran them with a 600W/ch power amp, and they sounded like a completely different speaker, they had so much more presence and life.

cheers

 

[jeffvee]

Personaly I would use the PMA with the receiver to Bi-amp the fronts, unless you wish to use it for a second zone.

cheers

How do I go about the connections for Bi-amp-ing?

 

[mtrycrafts]

The benefit is more power on tap for his fronts, this can really open some speakers up.

I had a listen to the Wharfedale Opus 3 through a 100W/ch HK receiver, they sounded laid back and bland. We then ran them with a 600W/ch power amp, and they sounded like a completely different speaker, they had so much more presence and life.

cheers

Only if he is already clipping his amp.

I am sure you leveled the amps in your tests, and closed your eyes? But we have been over this a few times elsewhere.

 

[PENG]

Using two different amps to bi-amp may not be a good idea. On the other hand, if you use the Denon amp to power the front speakers, the receiver will then have more power reserve for the other 5 channels. The amp may also make your front speakers sound better on dynamic materials.