Using 2 amps with one set of speakers
by Teddy Punu
I am currently using 2 sound systems. For home cinema - Onkyo 606 surround amp and Jamo A102HCS5 surround speakers, and for stereo music - Marantz 5003 CD deck and stereo amp and Wharfedale Diamond 10.1 stereo speakers.
I am very satisfied with the sound of my stereo system.
I read a lot of hi-fi articles saying that a dedicated stereo amp will give better stereo sound quality than a surround amp.
So I am thinking whether it is possible to connect the Marantz stereo system to Onkyo 606 AV and use the Wharfedale speakers as the front speakers (replacing Jamo front speakers).
Then, I can listen to the Wharfedale speakers for stereo music (The Marantz set will be active) and also for home cinema (The Onkyo Surround amp will be active)
I need to add a Wharfedale center speaker for this. If it is possible how do I connect all the systems?
Pls. advice. Tks.
Well, it can be done, but it does make the setup a bit more complicated - and you may not be able to do it with all your existing hardware.
-> CD player into Marantz stereo amplifier as normal
-> stereo amplifier to Wharfedale speakers as normal
-> AV receiver to the surround speakers as normal - except for the front left/right
Then, your AV receiver would need to have 'pre-outs' (which I don't think the Onkyo 606 has). You would then connect front left/right 'pre-out' of the AV receiver to an input on the stereo amp.
So the receiver would power the surround speakers but the front left/right would go to the stereo amplifier.
Another problem is you would have two 'pre-amp' stages (volume controls). For this to work properly, the stereo amp should be a power amp (no volume control).
I wouldn't connect both amps directly to the Wharfedale speakers as you may end up blowing the whole lot if you switch it all on at the same time.
To be honest, the best way is to trade it all in for a high-quality AV receiver
with good stereo sound. They do exist but just cost a bit more.
Hope that helps.
All the best.
Paul (Site Editor)
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About Home Cinema Guide
Paul started the Home Cinema Guide to help less-experienced users get the most out of today's audio-visual technology. He has worked as a sound, lighting and audio-visual engineer for around 20 years. At home, he has spent more time than is probably healthy installing, configuring, testing, de-rigging, fixing, tweaking, re-installing again (and sometimes using) various pieces of hi-fi and home cinema equipment.