Biamping 101


Oh, the pain of being a "newby". I hear arguments for biamping and biwiring, but I question how benieficial - and how safe - the methods are over just buying higher-quality equipment.

I own a Hafler DH-500 amp, and will probably acquire another one in a few days unless someone here gives me a great reason not to - and am considering biamping a used set of PSB Stratus Goldi's or Thiel 2.3's.

I've read some postings about using external crossovers to biamp; are there recommendations on a specific crossover to use?

Also, how do I get the signal from the receiver/preamp to two different amps for the mains? I guess an overview of how the wiring should go would be quite helpful.

Thanks for entertaining and educating the newby.

HC
aggielaw
Depends on whether you want to vertically or horizontally bi-amp. W.2 identical amps, you could do either, w/o an external x-over, IF your speakers are set up for bi-wires (I think Thiels are not). For horizontal, one amp drives the L & R woofers; the other the mid/tweets. In vertical bi-amping, one amp drives left side (one channel for woofs, one for mid/tweets), the other the right side. If you have two sets of outputs from your pre-amp, you can do it pretty easy, just run both lefts (or rights) to one amp for vertical, one left and one right to each amp for horizontal bi-amping. You will need Y cables for horizontal bi-aamping; for vertical you can use Y cables, or parallel the input jacks internally. However, you may want to consider going up the food chain and getting one better quality amp at the place where you are.
Hi:

I suggest you look before you leap.

>>I question how beneficial ... the methods are over just buying higher-quality equipment.

Well, why go out and buy a second amp if you do not have a clear idea of what it will do for you and how it works? Sounds potentially costly to me.

Both approaches have their place and are valid in themselves. Bi-amping, in particular, offers advatages that cannot be had by upgrading. IMHO, bi-amping is far more beneficial tha bi-wiring.

However, in some situations I think it would just be better to get better equipment rather than bi-amping. I'm not familiar with your stuff so I can't speak to your situation.

>>I question how safe - the methods are

They are safe.

>>I've read some postings about using external crossovers to biamp

In order to bi-amp properly you really need an external xo and you need to disconnect part of the passive xo in your speakers (usually bass to mid networks/ high remains). This is one of the main advantages of bi-amping - putting an active filter in the small signal area of your system instead of a passive filter between the power amp's op stage and your speakers.

There are any number that work and you do not have to get fancy.

>>I own a Hafler DH-500 amp, and will probably acquire another one in a few days unless someone here gives me a great reason not to

My suggestion would be to have a clear undestanding of what you want to do BEFORE you go out and spend money. Saves time, effort and cash.

>>I guess an overview of how the wiring should go would be quite helpful.

Again, my advice is have a clear understanding of these things before committing yourself in one direction. Some of the nicest sounding systems I have heard have been bi-amped but some of the worst sounding have been too!

Rather that reinvent the wheel here I suggest you read this link a few times so you understand its basic points prior to your purchase.http://sound.westhost.com/bi-amp.htm

Good luck!
Sincerely
I remain,
Clueless,

Excellent link for Biamping basics. Thanks for the same!
(once again I say this: you better change your moniker! You are hardly "clueless"!! :-) )