Question about Technics SUV500 2-Channel Amplifier

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No sound from one of the two speakers on my su500.

Each speaker works from on of the output terminals on the amplifier. What to do?
Thanks,
David

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  • Scott Frye
    Scott Frye May 11, 2010

    Hi...
    Are there speakers fuses on the back panel?
    If not , you'll need a tech to open the thing and check for internal fuses and/or speaker relays. It could have poor soldering issues


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I i remember correctly these amplifiers use their own brand power chips,if one channel is down normally that chip has blown,chances are small of getting replacement,st bet is to source faulty one on ebay and swop a good chip

Posted on Jan 18, 2009

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Posted on Jan 02, 2017

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The speakers have a jointed positive on one side and a jointed negative on the otherside. each speaker ahs 4 terminal connnections. 2 pos and 2 neg. How should i wire these to a single + - input amp?


A single mono power amplifier has usually one output to the speaker and this output can be connected to 4...8 Ohms speaker. If you have two speakers, they can be connected parallel or serial.
In my opinion they should be connected serial because in this case the resultant impedance would be 2 times more than one speaker's one.
The connection:
We have speaker(1) with poles 1+ and 1-, and speaker(2) with poles 2+ and 2-.
We have amp output with poles amp+ and amp-.
Connect speakers 1- with 2+ together,then connect amp+ to 1+ and amp- to 2-.

gylacz_9.jpg

Good luck!
Thanks.
gylacz

Jul 21, 2011 | Technics Audio Players & Recorders

1 Answer

Power led on but no output


Try to trace the fault systematically from one end of the system to another, starting with something that you know is working
  1. Start by checking your sound source (cd player or whatever) is working by connecting it to another amplifier or computer.
  2. Check the connecting cable is working from the sound source to the amp and is not shorted out.
  3. Make sure your loud speakers actually work (briefly shorting a 1.5 volt AAA battery across the speaker terminals should produce a crackling sound without doing any damage)
  4. Check loudspeaker cables are properly connected to output connectors and are making a good contact.
  5. Try connecting something like your computer speakers (or use the microphone in jack on the computer itself) to the line output socket of the Jamo. If you can get some sound this way it would suggest that the internal output overload protection fuse may have blown. You will need to open the case to access this. NOTE if your JAMO is still in warranty take to authorised repairer otherwise you may invalidate your warranty.

Feb 25, 2011 | Jamo MPA201 2-Channel Amplifier

1 Answer

CROWN CE1000- slips into fault immediately after connection


if ur output power amp is defective u will have that problem - meaning the moment u connect load across it it will go into circuit protection to limit/stop excessive output current. make sure the speaker terminals are connected to +/- output terminals. in bridge mode use only channel 1 and that too with 4 ohms speaker only otherwise amp will clip. considering all connections are okay if it still clips when speaker is connected, u have a faulty power amp section. this the way ur amp is designed

Apr 05, 2010 | Crown CE1000 2-Channel Amplifier

1 Answer

I want to connect YST-Sw1500 sub woofer to the AX-596 amplifier .How can I do the connections .


on ur subwoofer u will see HPF output, connect this output to MAIN IN of ur power amp (first remove jumper between pre-out and main in from ur power amp) connect pre-out of ur power amp to input 2 L&R (Left is also for mono input). the HFP selector switch will cut off 80Hz or 100Hz to the main input depending on the position enabling u to have high frequency sound on your main speakers. connect the speakers to the main output terminal of ur power amp. do not connect speakers on the woofer ouput.
make sure u are using the right impedance speakers. do not switch speaker impedance selector while the unit is on. 

Apr 04, 2010 | Yamaha AX-596 Amplifier

1 Answer

I have cambridge audio azur 640a amp. Problem I have is only the one speaker is working. Both speakers seem to be ok working off the left speaker terminal. Seems to be problem with output from right...


The fault is on the amp! It sounds like the protection circuit is detecting a surge on the channel and shuts it down to protect the speaker. I would check the semiconductor device(s) for the right channel on the heatsink of the amp. You might even see damage of burning on one!

Dec 29, 2009 | Cambridge Audio Azur 640A Amplifier

1 Answer

Sound


Hi monmax,
I hope you are aware that in bridged mode your amp will become monaural (single channel, double power). If you still wish to bridge it:
Switch of power.
Set mode switch behind amp to "bridge" position.
Connect speaker positive to CH1+ve terminal of amp output and connect speaker negative to CH2 +ve terminal.
Be aware that now, in bridged mode your amps output power delivery is 1100 watts for a 4 ohm speaker and 900 watts for an 8 ohm speaker. Make sure your speaker can handle that.
Peace
Jango.

Mar 03, 2008 | Crown CE1000 2-Channel Amplifier

3 Answers

Behringer ep2500 amplifier


Yes you can,,,,,BUT the output labelling on the AMP will tell you where you can connect the 4ohms or the 8ohms....please read these labels and connect the 4ohm speakers to the 4ohm terminals, and the 8ohms to the 8ohms terminals...

If you intend to connect the 4ohm and the 8ohm speakers in parallel then the output impedance terminals you use should be the 4ohm ones.

If there is no labelling showing any 4ohm output terminals then its best if you dont use the 4ohm speakers at all....just connect the 8ohm to the 8ohm terminals...you dont mention any crossover networks inside the speaker boxes or if you have tweeter speakers... so just stick to the basics above at present....

Cheers From YUBEUT

Oct 20, 2007 | Sunfire Cinema Grand Signature 400 seven...

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