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AMPLIFIER SU-CH900 CUT OFF

HI,MAY I KNOW WHY MY AMP WHEN HIGH BASS IT WILL CUT OFF?

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It goes to protection mode because it draws too much current from high bass.

Posted on Jul 28, 2008

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Searching for technics amplifier SU-CH900 or SU-CH700 i want to buy it ...i m from spain


Not a good brand to buy its low end. However thats an old model so you would have to keep looking on Ebay for something like that.

Apr 06, 2015 | Technics Amplifiers & Preamps

1 Answer

Technics SU-CH900 turn off when the volume up ....


That's usually caused by incorrect loading (eg: 2 ohms on a 4 ohm circuit) or failed components in the power supply or final amplifier stages.

Mar 09, 2015 | Technics Amplifiers & Preamps

1 Answer

I have a technics hifi su-ch900 everytime I play a cd or cassette or have the tuner the sound cuts out when its slightly loud, on low volume its fine. I have checked the cables and they are correctly...


I found a link to a CH900 that switched off completely.
If you are not a technician, please don't open the amplifier.
But I think it will be a simple repair. It is not the same problem, but it looks a little simelar.

http://www.electronicspoint.com/technics-su-ch900-switching-off-t53309.html

Also found a service manual, but not complete. Still here is the link

http://elektrotanya.com/technics_su-ch900.pdf/download.html

Oct 30, 2013 | Amplifiers & Preamps

1 Answer

Why does stereo amp cut out at higher volume


You seem to have the answers to your question. I would just resolder the connections anyway without checking. If it solves the problem you have saved yourself a lot of money. If it doesn't follow the other steps in order of cheapness!

May 03, 2013 | Amplifiers & Preamps

1 Answer

How do I hook up a stereo reciver to the technics su-g91


I assume you want to use the SU-G91 as a power amplifier to drive your speakers. If your receiver has connections for inserting an equalizer (may be labeled pre-amp output and power amp input), remove the jumpers between the pre-amp and the power amp, then run cables from the pre-amp to the SU-G91 inputs. You can have an equalizer between the receiver and the integrated amplifier.
If this is not available, use the recording output (for a tape recorder on older receivers). Note that the volume control on the receiver will be bypassed with this connection.

Sep 23, 2012 | Amplifiers & Preamps

1 Answer

Hi I just got a Technics SU V2 amp and can't get sound from the speakers. What size speakers would suit this amp? What is the correct method to connect the speaker leads to the back of this amp,...


Being a 500W amplifier, you need to connect speakers with 300W each. The correct method to connect speakers is red terminal of speaker should be connected to red terminal of amplifier & black to black. The left side to left side speaker & right to right speaker. There may be main & remote terminals. Main speakers are the speakers at local place of the amplifier & remote for remotely placed speakers. I do have Technics SU-V85A which is somewhat similar. Enjoy! A nice piece to listen.

Oct 22, 2011 | Technics SUV500 2-Channel Amplifier

2 Answers

I have a technics SU-v500m2 amplifier connected via the aux input to my pc, i wish to link another amp to the same input, is this possible, and if so how?


Let's establish which is the IN and which is the OUT here. The PC is a Line Level source so its OUTPUT would feed one of the amp's Line Level INPUTs.

What's the second amp going to do in your scenario? Something other than the normal stereo channels; something multichannel (if your PC supports it); or just more speakers supported for the PC to feed?

An RCA Y-connector pair would share the stereo output of the PC with multiple Line Level destinations.

If a second amp with its own volume control is intended to share the same two channels with the SU-V500 it could also be slaved off the back of the SU-V500 wih an RCA patch pair exiting the Tape 1 or 2 REC(OUT) jacks. The second amp would receive full-volume audio from whatever source the SU-V500 is playing. Just don't activate the selected Tape monitor on the SU-V500 or you will cut off the source to both amps.

Sep 24, 2011 | Technics SUV500 2-Channel Amplifier

1 Answer

Peavey TNT115 AMP cuts out


The problem is in amplifier section caused by change value resistor or leak capacitor or cold ,loose or crack solder joint parts this the common problem of over heating and shuts out the amplifier caused by abnormal distribution of current,try to check all the capacitor and resistor and replaced the defected parts ,so your receivers works normal again.

Hope it may help you;

Regards;
VOTIT

Jan 05, 2009 | Peavey Amplifiers & Preamps

2 Answers

Setting knobs for amplifier


Hi gv6257

What sort of amp you play. I will help you sort it

regards
tobotek

Dec 27, 2007 | Amplifiers & Preamps

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