2. amps-preamps
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Rookie Pre Amp Question

I know this is a newbee type question, but I am hoping one of you will take the time to answer it (please use simple language!).

I am running an H/K AVR 335 as my receiver in my 7.1 system. I am running Athena AS-F1 towers as mains, AS-C1 as centre, AS-B2's as surrounds, and S.5's (small bookshelf) as rear surrounds.

I have an AVR 230 that I am not using. My question is this. Is is possible to use the AVR 230 as a pre amp, and is it a good idea?

If used as a pre amp, does the power from both receivers get sent to the speakers (double the power?)? Or is it only possible to use one power source at a time? If the power doesn't stack or double (terminology??), then this is just a dumb idea and I will leave my system as is. I am trying to get more power on the cheap. If the power does double, would it be advisable to use the AVR 230 as a pre amp to the mains, centre, and surrounds or just to the mains or to the front three?

If anyone can advise me on how to hook this (if advisable/feasible)up I would appreciate it. As well, any opinions/advice on any of this would be appreciated.

Thanks in advance,
Derek
dangler88

Showing 1 response by rar1

rar1's avatar
rar1
1,811 posts
 
Derek:

In general, if you were to use the preamp out of receiver #1 to the main input connections (or some similar nomenclature) of receiver #2 ... all that you would be doing, would be substituting one unit's preamp section for another. Receiver #1 would only be a preamp at this point, as you would be bypassing its power amp section.

What's interesting though is your need for power. The Athenas are fairly efficient speakers (91db) and Harman Kardon amplifiers have historically been based on a high current design and they are also pretty upfront about their power measurements ... so unless your room is very large or your loudness preferences are extremely high, I would think that you should have sufficient power.

The one thing that I see missing from your set-up is a sub-woofer. Since the bass eats up the most juice, a powered (as opposed to passive) and powerful (150 watts) sub-woofer may be your answer. As for bi-amping, I am not sure if I would even explore attempting to bi-amp your front speakers ... though I guess it is possible. Some other a'goner would need to run you through how you would do this in a HT environment.

Regards, Rich
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