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Right channel cutting out.

I currently own a Carver M500-T power amplifier purchased back in 1988. The right channel is cutting out intermittantly and is really annoying when trying to listen to any type of music. Is this something that any repair shop can fix or is the amp shot?

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Connect right channel speakers to amp left out if the problem fixed you will have a problem in amp itself.
if the problem remained you will have a problem in speaker itself test first with new cable and second with speaker cabinet,

Posted on Apr 14, 2009

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If you can hear music with the volume up, but like it was turned down low (from the power amp), then yes there is something up with it. If it's the same on both left & right channels, then it's something common to both. For instance the power supply, or an IC that has both channels going in it.
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I don't have any instructions so i don't know how to hook up my speakers and the t.v for surround sound i have a carver avr 100


You should be able to online to the manufacturer of your products and download manuals. However, I will try to help.

Connect the sound output cables from your DVD player including, left/right(white/red) as well as the Coax output/input if your DVD and your Carver each have this feature for enhanced sound on certain DVDs, and connect to the matching DVD inputs on your Carver.

Then, connect your DVD video output either by use of your RGB(RED/GREEN/BLUE cables or an S Video cable to your the matching video inputs on your t.v.

On the back of your Carver, you will find outputs for left and right speakers, connect to the left and right speakers with proper wire. Make sure that the 2 conductor wire is connected with the same side(polarity) on all speakers for the best sound quality.

You will also find rear channel left and right outputs on your amp, connect those to your rear right and left speakers.

Connect the center channel speaker to the center channel speaker output on your amp.

If your Amp has a sub-woofer output and you have a subwoofer, make the connections on that as well.

Test all of the speakers with a feature that many amps have on the menu using your remote, simply called test. if all speakers are connected correctly you will be able to hear each one as they are individually tested by the amp. Hope this helps out.

Oct 05, 2009 | Audio Players & Recorders

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I have a carver M 1.5 amp rt. channel is out.


Carver designs in general are not easy to repair. I would recommend that you send this unit into a Carver authorized service center. The likely problem is the output transistors, but the driver circuits and predrivers are not simple designs and if there is a problem there, it could effect the outputs. Tracing this will require equipment and schematics that I don't believe are available on the net.

Dan

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Best amps for bose 901


You need an amplifier with at least 200 wpc to get the most out of your BOSE. Look into getting a NAD, ADCOM or CARVER amplifier. I prefer CARVER myself. I am running a CARVER M-500T(251 wpc) on my 901's and they sound incredible.

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I have 2 Carver amps, 1 is a M500T the other is a M500. I wanted to bridge these to refine amp power, increase channels. i don't have a users manual for either and wanted to know can they be bridged and...


I do not believe that those amplifiers have built in bridging circuits. It is still possible to bridge the amplifier by taking one of the input signals, branching it out with a Y cable, and inverting the phase of the signal by 180 degrees. This can be done with an inverting operational amplifier circuit and you may be able to find a device that does such. If you feed an inverted and non inverted signal into each of the inputs, you should be able to use both of the positive terminals on the amplifier and have a bridged amplifier. You still must remember that impedance loads will change and if your speakers are 4 ohms or less, I do not reccomend this. Hope this helps. 

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Alpine MRP-M500


You need to check the Fuse on the Power Wire and check the ground wire to see if has loosened up. Also check Power Wire as well.

Hope you see what you are your looking for! Good Luck!
If you have any more problems let me know.

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Jan 10, 2009 | Alpine MRP-M500 Car Audio Amplifier

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Looking for a good amplifier


Any 2-channel (or greater) receiver or integrated amp with at least one Tape Monitor loop; or any separate amplifier - will work. I would look fror one with true > 100 watts per channel, all channels driven, 20-20000kz + a few dB, with less than 0.5% Total Harmonic Distortion (in other words clean and powerful) should suffice. Specific brands don't matter. I'm partial to old Carver amps.

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However, should you get a multi-channel amp for the 901's you will be limited to using only 901's on it as the required Active Equalizer would affect all speakers attached to the amp, and conventional speakers would not sound right and could possibly be harmed by it's drastically-altered frequency response. Since using the Tape Monitor on modern DSP Receivers disables their digital inputs, that would limit what you could listen to, should you later decide to go with Cable Box, DVD, SACD, DVD-Audio, Blu-Ray, DTS etc.

* There are no some multichannel receivers out there that allow separating the preamp-amp circuitry for each channel to allow for differences in speaker processing. I think Marantz had one.

However, having a 901-based multichannel setup myself, I would highly recommend getting the Full Monte for video listening (below)...

In that case a separate stereo amp for the 901's would work. I run a Carver AV-406 (5-channel amp) for my 901's in Front, 2 Subwoofers and the Rear Surround channel, 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 and Surround speakers.

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.

** Front Pre Out (or one of your analog Tape Outs) >>> 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.

Write off the Tape Out as an input if you use it to extract the Front L&R channels. DO NOT monitor it or you'll chop the 901's out of the signal path AND kill any digital source audio in the receiver.

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So to sum it up, I think you should start with a powerful, clean amp with few bells and whistles for the 901's and maybe later add a multichannel receiver with all the magicfor source control, DSP and to drive the other channels.




Jan 05, 2009 | Onkyo TX-DS747

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Carver m500


Hi, first it's not power, it's the voltage you need to know, is the transformer burt, if not you can mesure the voltage output by putting a voltmeter at the primery to see if 120vac is there and then the output to see how mutch at each two wire at orange is and then at the two red is. They should be about 24vac on orage and 60 volts at the red.
Not shure what the voltage just guessing, if totaly dead then you have a burt transformer, some of these unit have a internal fuse, you may see them on the top, they may be also thermal shutdown sensor's fuse type, look to see if there is one, if so look at there value, thermal has a degree in C for the value and pico fuse has amp's or ex 4a .

I hope this help

Bob

Feb 07, 2008 | Yamaha DSPE390 Amplifier

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