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Technics su-g90 has no front channel output

I have a technics su-g90 amp. recently the front channels stopped working. the surround is still working fine but no matter what i do the front doesnt work. i cant figure this out.

if anyone can help it would be greatly appreciated

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3 Suggested Answers

SOURCE: Technics SU-G91 Left channel bad

Did you ever find the solution to the left channel issue? I have the same problem with mine.

Posted on Jan 23, 2008

hokuwho
  • 306 Answers

SOURCE: Speakers cut out.

"Tapping on the unit" is the salient point that prevented me from thinking that it was a speaker impedance issue. That would indicate a solder connection problem. Unless you are qualified to work at the component level I would take your unit to someone who is as it may destroy the amplifier eventually. Steve Medley

Posted on Jan 26, 2009

dunnbiker
  • 8546 Answers

SOURCE: Technics SU-G90 reciever is on mute with no remote

I can't find the manual but to operate certain basic functions like Power or Mute w/o a remote you walk over to it and manually operate the Power (Off/On) or turn the volume knob UP to defeat the Mute.

For a new remote:

substitute... $39 plus shipping

http://remotes.com/remotes/servlet/rs?a=gmi&smodel=SUG90&brand_pn=TECHNICS_SUG90&mode=large&uuid=A13127564179231

or

close to original... $18 (bidding)
http://cgi.ebay.com/Technics-remote-RAK-SA501P1-/160631869703?pt=Receivers_Tuners&hash=item256667d107

Posted on Aug 07, 2011

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1 Answer

Can you have just 2 channel by hooking up to right & left front speaker posts on 5.1 surround


short answer.....no. If you hook more than one speaker up to a single channel, it will lower the impedence and will damage the amp. You can hook up multiple speakers by using a speaker switch box between the speakers and the amp. This will match the impedence and should keep the amp from blowing.

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go to audio set up and configure the system for 5.1 or higher sound output.then only all the speakers ll work

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There is likely separate gain controls for your surround channels on this receiver and they are probably set at -10dB. Enter the setup menu labled "level" and increase the amount for each channel equally.

Jun 18, 2009 | Technics SA-AX530 Receiver

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Speakers cut out.


"Tapping on the unit" is the salient point that prevented me from thinking that it was a speaker impedance issue. That would indicate a solder connection problem. Unless you are qualified to work at the component level I would take your unit to someone who is as it may destroy the amplifier eventually. Steve Medley

Jan 26, 2009 | Audio & Video Receivers

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I have pioneer receiver Vsx-454 i want to know if this receiver is 5.1 surrounds


Yes. It is 5.1 surround. There are 2 front channels, 1 center channel, and 2 rear channels which comprise the "5" in 5.1 surround. The pre-amp output channel for a sub is the ".5".

Jan 11, 2009 | Pioneer VSX-454 Receiver

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TX-SV525 Onkyo Receiver


NOOOOOOOOOOOOO!!! If you have the room for them to run free and loud, keep the 901's in service. Get them a good amplifier because any multichannel receiver can't deal with their special EQ needs and still drive conventional speakers for the other channels properly.

The good news. I have a setup similar to what I think you're trying to do and it works great! Get a receiver that has has 5.1 analog Outputs so you could drive up to 6 external amplifiers if you want to (I drive 4). Then you can draw off the Front L&R to a separate amp for the 901's and the 'other' (lesser) speakers can live on the receiver's native amplifiers.

A separate multi-channel amp for the 901's was my solution. Because I can run each channel independently to an external amp, I run a Carver AV-406 (5-channel amp) for my 901's in Front, 2 Subwoofers (DBX DB-SW 15's) and the Rear Surround channel (Bose 301), with the Active EQ between the receiver Front L&R Outputs and the 901's amp channels. My receiver controls everything and just drives the Center (Kenwood 777's) and Surround speakers (Bose 301's) from its own amps.

You could get by with just a stereo amp for the 901's. A Carver M-200 is a good efficient amplifier that would have you cooking just fine (2x100W). Run it with the Active EQ between the receiver Front L&R Pre-Outputs ** and the 901's amp channels.

** Multi-CH Receiver L&R Audio Out ***) >>> Bose EQ Amplifer IN, then
Bose EQ Amplier OUT >>> new amplifier IN.


Attach the 901's to the new amp, set its volume to Max and run through your receiver's speaker level setup.

Any modern AV Receiver with the pre-requisite analog outputs should work. Since you have to buy a power amp for your 901 front channels anyway the receiver need not be a powerhouse. Look for features and lots of connections for digital and analog devices. I lean toward coaxial digital connectors because A) they take standard >> and cheap << audio cables; and B) they can be shared with Y-connectors if you're careful to have only one digital device turned on at a time. Optical SP/DIF is an expensive farce to get into your wallet.

For DVD/Cable Box/Blu-Ray look for multiple HDMI or component connections. Again, length and cable cost made me look at the component connections vs HDMI and I was pleased that I can't see the difference even with HD programming from my cable box. It's all great.

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Hello Smegboy,

Yes, you are right. This receiver is rated at 100WRMS output in all 5 channels (2-front, 1-center and 2-surround) while in Dolby Pro Logic operation. The subwoofer output is line level only (not amplified), which means you need a powered subwoofer to be connected to this output. A non-powered subwoofer could be used but, you need an additional amplifier connected to the subwwofer output from the receiver to drive it.
Let me know if this helps.

cancerags

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2 Answers

Technics SU-G91 Left channel bad


Did you ever find the solution to the left channel issue? I have the same problem with mine.

Dec 02, 2007 | Technics SA-AX540 Receiver

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