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1978 L G model L 2800 by LUXMAN Amplifier will not switch on just dead it used to have a delaid click when you push the on switch now nothing happens. the plugs on back read 120 v for live plug and 83 v for swithed plug on off, when the on switch is pushed in the switched plug reads 120 v like it should , the cord is good. why wont my amp turn on its never been run hard . thx
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If you are using the Bose Equalizer to optimize the sound of the 901s by going through either a tape loop or a pre-out/main-in loop, then the only way to do this without also equalizing the sound sent to the second set of speakers is to manufacture a "zone-2" output from the Luxman.
You'd probably need to split the send from the Luxman's pre-out before the EQ and send it to a second power amplifier for the second pair of speakers (if you want the Luxman's volume knob to control both speaker sets) or from a tape level output (if you wanted independent volume controls for the two speaker sets.
The whole EQ thing made 901s difficult to use on vintage equipment with only one "zone" audio outputs. Unless you want to use the Bose EQ on the second set, too, you can't do it satisfactorily without adding another stereo amplifier. But, go ahead and try it, you might find that you actually like the odd EQ that the 901s EQ gives to the second pair!
If it were my decision, I probably would not do it without a second amp, but it's all about what you like, my opinions really don't matter in your house, do they?
Have fun
that sounds like an internal connection problem, try getting inside the unit to where the internal wiring is connected, if you have signal coming through well thats a big plus, see if there are any loose wires or if the internal connection is damaged, would probably pay to replace the complete terminal, should be able to pick up XLR connections fairly easily from any electronic spare part dealer, trouble with this type of gear is that the connector is continually being used, so over time they do wear out or suffer damage
Make sure that you have the turntable connected to the PHONO input. If there is none (I don't know your specific model), then you will need a phono pre-amp. Connect the output of the pre-amp to tape-in or Aux in and the unit should work as expected. The alternative is that you may have the tape monitor turned on. Check that as well.
This unit is old enough to have pre-out and amp-in connectors on the back. Make sure that those are connected to each other. Use standard RCA cables.
If none of those resolve the problem, there is an internal problem that will need a bench to resolve.
Check on the speaker connections. Make sure theyre firm at both ends. Do you have another set of speakers you can try on it? If so,try that too. The chatter is the speaker protection relay.
Hi: If the Amp has an audio output transformer, check for bad solder connections to the pc board, This are the wires from the transformer to the PC board. Another place to look is the earphone connection plug. If the jack has a bent contact inside of it, you will have all sound cut off. Good Luck.
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