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Bi-Amping Question
Hi All: I have two NADC270 Amps & a NADC162 Pre-Amp hooked up to a
pair of NHT ST4's. Currently, I'm using a pair of Bi-wired cables, each cable & amp driving one speaker. Is this the "correct" way to Bi-Amp? Or should I buy 2 pairs of cables & have one amp drive the lower & the other amp high frequencies? Keep in mind that the gain is "exact" on both amps considering they are the same exact units. As it stands, my set up sounds pretty good for the coin I spent. I guess I just want to make sure I'm doing the correct hook-up. Is the two schools of thought here? Also, what are your thoughts on Audioquest Type 4 speaker cable? Audiovisor has a pretty good deal on the "No Thrills" version. I really don't want to spend more then $100.00 on a pair. Any & all insight from you "true" audiophiles would be very much appreciated! Regards, Alex Moore |
#2
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The way you arrange the output of the amps is what is called
horizontal or lateral biamping and it works as a pair of monoblocks and has the same advantages. Shorter speaker cable length, better isolation between the channels. The other way that you mentioned is called vertical biamping and it does away with the advantages of the monoblock, but has the advantage of having one amplifier responsible for only a portion of the frequency range. That can deliver lower distortion in the more critical high and mid frequency ranges. It also allows some level trimming in one area if desired and has the ability to be connected to an active electronic x-over between it and the preamp, although that is really only used in very large scale systems where very high levels are needed (a concert hall or stadium for instance). You can get some nice wire for less locally. Choose a suitable OFC wire (of 14ga or more if you run lengths longer than 10' or so). You can get away with 16ga if you are close to the speakers and it is pure copper. I think the newer Type 4 is OK, but I remember when it was dreadful many years ago, despite it's price. Other than adjusting the levels of the high or low frequency units, I don't see much advantage for you to be overly concerned about changing the orientation of the set-up. If you really want better sound, save the money on the wire and get a better preamp. -Bill www.uptownaudio.com Roanoke VA (540) 343-1250 "Alex Moore" wrote in message ... Hi All: I have two NADC270 Amps & a NADC162 Pre-Amp hooked up to a pair of NHT ST4's. Currently, I'm using a pair of Bi-wired cables, each cable & amp driving one speaker. Is this the "correct" way to Bi-Amp? Or should I buy 2 pairs of cables & have one amp drive the lower & the other amp high frequencies? Keep in mind that the gain is "exact" on both amps considering they are the same exact units. As it stands, my set up sounds pretty good for the coin I spent. I guess I just want to make sure I'm doing the correct hook-up. Is the two schools of thought here? Also, what are your thoughts on Audioquest Type 4 speaker cable? Audiovisor has a pretty good deal on the "No Thrills" version. I really don't want to spend more then $100.00 on a pair. Any & all insight from you "true" audiophiles would be very much appreciated! Regards, Alex Moore |
#3
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Alex Moore wrote:
Hi All: I have two NADC270 Amps & a NADC162 Pre-Amp hooked up to a pair of NHT ST4's. Currently, I'm using a pair of Bi-wired cables, each cable & amp driving one speaker. Is this the "correct" way to Bi-Amp? Or should I buy 2 pairs of cables & have one amp drive the lower & the other amp high frequencies? Keep in mind that the gain is "exact" on both amps considering they are the same exact units. As it stands, my set up sounds pretty good for the coin I spent. I guess I just want to make sure I'm doing the correct hook-up. Is the two schools of thought here? IMHO you could have saved the bucks for the second amp and half of the cables and would have the same sound. Also, what are your thoughts on Audioquest Type 4 speaker cable? Audiovisor has a pretty good deal on the "No Thrills" version. I really don't want to spend more then $100.00 on a pair. Any & all insight from you "true" audiophiles would be very much appreciated! Alex you are a potential victim of all these quacks out there, Come on, get informed, experiment. Do not take everything for granted. Why don't you try it out yourself? For example take 1 amp only and wire the speakers with only one cable. Use the provided jumper on the speaker terminals. Now listen to those critical pieces of your choice. Now put the additional amp, the second cables and listen again. And finally wire the amps the other way round lateral or whatever it is called. Do you really hear any differences? Well, the best is if you let somebody else do it(the wife or a friend) without you knowing which combination is playing. And you try to recognize which is which. -- ciao Ban Bordighera, Italy |
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