Yamaha amp?

Hello,

I am hoping to get input from someone before I take in for repair. I own a Yamaha MX1000 amp and I have it hooked up to Klipsh Lascala Speakers. The problem I am having is the Right Channel reads lower than the left channel (output bars on the amp). The right speaker does not have full sound and every once in a while it kicks in to full sound and lasts for a while but then cuts back down again. Sometime it stays full sound both channels for somewhat a long period of time and then cuts down again. Do you think it is a problem with the amplifier or the speaker ? I am going to hook up another set of speakers but I was just curious if someone has some input on this dilema. Thanks a lot and take care. Regards, Steve Johnson

Steve,

The problem is not in the speakers. But it could be in your pre amp or interconnect cables. First I would try a different power amp and interconnect cables.

If the problem is eliminated it is the cables or the MX1000. If the problem persits, the signal is inconsistant from your pre amp.

Have both M70 & MX1000. I also use higher end amps, such as Krell and BAT. I keep the older Yamahas around as spares. Frankly, they do not give much away to their newer, more expensive breathren. Between the two Yamaha models, I find that the M-70 is current-biased higher than the MX1000 and seems therefore to have a slightly warmer sound. The sound from these older amps is very full and quite impressive, IMO. I've detected nothing in their sound that suggests they become unstable at low impedance (e.g., w/ my Martin Logans). The M-70 can be had for less than $300. Very, very hard to beat.

I have an M70 and MX-2000. The MX-2000 ($4000 when new) is an entirely different design than the MX-1000, and is a scaled down version of the legendary MX-10,000 ($11000 when new). The MX-2000 is a very serious amp - almost a work of art, and was available by special order only. It only puts out 130 watts into 8 ohms, but those are some very refined watts. It's heavy at 62 pounds, pure class A MOSFET design, and all hand-made solid construction w/titanium-cherry finish. Sound is smooth and very detailed, with an enormous 3D soundstage. Beautiful to listen to, and even to look at. Consider yourself extremely lucky if you ever get your hands on one of these. The M70 is a good amp, but the MX-2000 is in another league entirely. I'm still looking for an amp to better it (and I've auditioned quite a few lately).

M 2. Aka the beast! 200 watts per channel and Yamaha's first amp after
Giving up FET's in late 70's and 80. Buy one if you can.