2. amps-preamps
  3. 1052253520

Is it a crazy idea to use a multi-amp as a st-amp?

Hi,

I got a Parasound HCA-2205AT multi-channel solid amp and want to use it as a stereo amp with bi-amp configuration, since this amp doesn't come with the bi-wired posts.
All five channels are identical, 220 watts RMS x 5 @ 8 ohms.
Here is how I am going to do.
Channel 1 & 2 for left speaker with bi-amped.
Channel 4 & 5 for right speaker with bi-amped.
Channel 3 is currently idle, may be use it for center or subwoofer in future.

Now the problems is I can't find out two sets of line-out from my pre-amp, or set of set direct output from the source?

I need to have a custom made Y-cable for this purpose, this makes me frustrated on how to maintain the requirement input impedance, 33kohms for the amplifier, if I parallel the input this will half the input impedance, I certainly not want to do that, maybe I need to build a simple network or an extra following stage for this requirement? Thanks!
shhs6666

Showing 1 response by themudhead

themudhead
5 posts
 
Hi,
my setup is exactly like you were proposing. I have a 5-channel amp. The way I have mine set up is w/ a Y-adaptor from the output of my pre-amp to 2 sets of interconnects going into four of the five channels of my amp. Then I have two runs of speaker wire going to my speakers.

I really like this setup, though it gets expensive w/ the extra run of speaker wire + the extra set of ic's. I also wonder if my Y-adaptors end up being a bottleneck or not.

The nice thing is that each driver now has it's own dedicated amp channel for power.
Good luck!
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