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I have a marantz sr 4023 receiver and I am using the preamp to drive 2 marantz ma 500 mono block amps. My speakers are psb image b5 which are biampable. What I am wondering is if I can use the receive

I have read that you need to use matching amps to biamp but 125 watts to run a tweeter seems like a lot. The receivers amp is 80 wpc

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Posted on Jan 02, 2017

videotransmi
  • 105 Answers

SOURCE: when iturn on my Sony STR-DE325 it goes into protect mode

Try disconnecting all of your speakers, and then turn on you unit. If you have a defective speaker, or a short in your wires, your unit will go into protect mode. If your unit seems ok with the speakers disconnected, then turn unit off, hook up one of the speaker leads and try it. This way you can isolate the problem.......

Good Luck,

Eric

Posted on Jul 09, 2009

  • 2 Answers

SOURCE: 2 ohm dvc and monoblock sub amp

Yes. When you run two-two ohm subs to a monoblock amp its on the same channel meaning there ran parallel, and that makes it one ohm and most mono-blocks won't read one ohm. Are you popping fuses in the amp?

Posted on Feb 12, 2010

  • 3 Answers

SOURCE: my Marantz sr 4001 receiver has no output. Is

my friend has the same problem with an SR 4001. the tech said it was an internal fuse soldered to the board. the display showed an error code that clued in the tech of the problem. I am trying to find the fuse on the board, and trying to get a value(Volts-amps) of the fuse

Posted on Jul 28, 2010

  • 1348 Answers

SOURCE: I have a marantz sr 7001 amp and am running canton

it is not made to drive 4 ohm loads.also if you measure the impedance on the speaker,at some frequencies,it is closer to 3 ohms.This will cause the amplifier to shut down.Today's amplifiers are embellished specs.the old marantz 2325 was 125 watts a channel and weighed 80 pounds.It would eat alive some of the 1000 watt home theater amps of today.Marantz is very nice stuff.

Posted on Jan 03, 2011

dunnbiker
  • 8546 Answers

SOURCE: Hi There, I have a

It sounds like you've read one of my many posts on 901 deployment in the AV world.

Functionally, what is the difference between one amp with 'x' channels or 'x' mono amps? Nothing. Pre-outs don't know or care what else an external amp does.

According to this link http://www.ecoustics.com/electronics/products/new/642968.html those amps are 2- and 5-channel, respectively.

There was a time when I had two bridged-mono Carver Cube atmps (at a real 400 watts) pushing one 901 each but that was big time overkill.

I now use a Carver AV-406 (functionally the same as your MM7055) with the 901 EQ in between the AV Receiver's front pre-outs and two 110-watt channels. Other channels on the AV-406 pull subwoofer and surround back duties. My AVR directly powers only the center and surround speakers.

The MM7025 would work for you.

Posted on Jul 07, 2011

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need more info,what ohm load are spkrs? are they single voice coil or dual? if dual what ohm dual 2 or dual 4? what amp are you planning to use? stereo amp or mono block? if mono block what make and model? what style box are you using,sealed or ported?

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I have bose 901 series 2 speakers, marantz 8200 and 2 marantz ma700 monoblock amps how do i hook everything up? Thankd


Do you mean SR-8200? You can't omit the details of a model number if you want a good answer.

Assuming it is...

http://www.retrevo.com/support/Marantz-SR8200-Receivers-manual/id/511ci775/t/2/

Run the 901's with the Active EQ between the receiver Front L and R Pre-Outputs and the mono block amps, one chanel to each.

Pre Out Channel X >>> Bose EQ Amplifer IN, then Bose EQ Amplier OUT >>> Monoblock IN

http://community.klipsch.com/forums/storage/74/1341919/200w%20mono%2005.jpg

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Hi There, I have a Marantz SR7005 Receiver and Bose 901 Series VI speakers with the Bose equalizer. I'm struggling to figure out the best way to connect the Bose equalizer/speakers to the SR7005. ...


It sounds like you've read one of my many posts on 901 deployment in the AV world.

Functionally, what is the difference between one amp with 'x' channels or 'x' mono amps? Nothing. Pre-outs don't know or care what else an external amp does.

According to this link http://www.ecoustics.com/electronics/products/new/642968.html those amps are 2- and 5-channel, respectively.

There was a time when I had two bridged-mono Carver Cube atmps (at a real 400 watts) pushing one 901 each but that was big time overkill.

I now use a Carver AV-406 (functionally the same as your MM7055) with the 901 EQ in between the AV Receiver's front pre-outs and two 110-watt channels. Other channels on the AV-406 pull subwoofer and surround back duties. My AVR directly powers only the center and surround speakers.

The MM7025 would work for you.

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I am thinking of replacing my now very old JVC AX 330 amplifier with a Marantz PM7003 amplifier and want to know if this is a suitable replacement in terms of power output etc.


You, sir, are a rare adherent to stereo-only electronics. Are you replacing it for cause (showing its age)? The PM7003 is only 2 x 70 watts like the JVC but it also has separable preamp/amps so you COULD upgrade or augment the power output with external amps and still control it all locally.

Of course, any current AVR's do that too and bring digital sources and multichannel audio to the mix for as little as the PM7703 may cost.

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I run 4 ohm speakers through a marantz sr7001 amp and it keeps overheating can you help?


ALL 4-ohms per speaker? If you ran the A's and B's together you'd have at most a 2-ohm load.

It's not even spec'd for 4-ohms. You're running it on the hairy edge of self-immolation.

http://www.retrevo.com/support/Marantz-SR6300-Receivers-manual/id/511dj785/t/2/

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I have a marantz sr 7001 amp and am running canton 4ohm speakers to front and centre should my amp get really hot and go into protect mode when I am giving it some serious volume


it is not made to drive 4 ohm loads.also if you measure the impedance on the speaker,at some frequencies,it is closer to 3 ohms.This will cause the amplifier to shut down.Today's amplifiers are embellished specs.the old marantz 2325 was 125 watts a channel and weighed 80 pounds.It would eat alive some of the 1000 watt home theater amps of today.Marantz is very nice stuff.

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With this unit's great audio processing features you might be able to bypass a failed amplifier using the pre-outs and drive an external amp for the missing channel.

You could always just get a modest stereo amp (like a Carver M-100T and bridge it), or use the extra channel for another center speaker or a subwoofer, for example.

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HI....

An 8 V , 250 mA fuse lamp is fine if that 's what the original looks like

These folks sell lamps for Marantz

http://www.vintage-electronics.cc/

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HI!


The receiver is going into "protect mode". This means an internal fault has been detected and will require professional service.

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