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Dennis Dix Posted on Feb 01, 2013

Can the Cambridge Audio Azur 840Av2 integrated amp. be used as a pre-amp. only to drive a separate power amp. with no speakers agttached to the amp. section?

Speakers will only be connecgted to the external power amp., a Parasound Halo A21. The speakers will be Magnepan Mg 3.7's. Under these conditions will the entire voltage output of the Cambridge(excess of one volt) be directed to the Parasound with no voltage directed to the unused (no speakers connected) amp. section of the Cambridge integrated?

5 Related Answers

Anonymous

  • 682 Answers
  • Posted on Jul 15, 2008

SOURCE: Cambridge Audio Azur 640P

best connection from pre-out to aux in.

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Anonymous

  • 1 Answer
  • Posted on May 15, 2009

SOURCE: can't connect amp to speakers

Hi look at the end of speaker terminals, you will find tiny plastic caps , get a small screwdriver toease them out, you can plug banana clips straight in as I have done.Hope this helps

Grubhead

Grubhead

  • 5755 Answers
  • Posted on Jan 04, 2010

SOURCE: I have cambridge audio azur 640a amp. Problem I

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!

Anonymous

  • 150 Answers
  • Posted on Jan 17, 2010

SOURCE: I use an azur intregrated amp 540A and a Azur Pre

I've never repaired one of these but I have an amp at home that makes a intermittent static "popping" noise that i'm going to put down to a dirty volume pot (control) that needs cleaning. I will also have to change some of the electro capacitors that have dried up inside which cause "shot noise". With the right lubricant (electrical contact cleaner, nothing else) you could take to lid off and spray a small 1 second blast into the hole of the pot and any other balance or tone control yourself but I would take it to the electronics repairer to get the capacitors checked over.
My theory only
Good Luck!

Anonymous

  • 8546 Answers
  • Posted on Jan 26, 2011

SOURCE: HI, Can the Cambridge Audio 640a integrated amp

Of course, just run an audio RCA pair out from the Pre Out to your next amp and any input. All control for volume, tone, etc will remain with the 640A.

Testimonial: "Thank you. How will I connect my sub woofer though?"

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0helpful
1answer

Why does my Cambridge Audio Azur 851W power down even when a signal is operating.

amps like this only power down when there is a problem with the amp, usually a shorted output stage, but could also be shorted speaker wires or damaged speakers, it's a self protection mechanism

do you get sound from both speakers before it powers down?? if you do it is definitely an internal problem so take it to a repair facility,,,

if not check the speaker cables & the speakers themselve
1helpful
2answers

Cambridge azur 650R shows "PROTECT" after Volume more than 1/4, protection-relay works, loudspeakers&cable are o.k, WHY?/Solution (relay broken)?

What ohm rating does the receiver have and what ohm speakers are you connecting. If the receiver is rated for 8 ohm speakers and you are connecting 4 ohm speakers, you are overdriving the amplifier. This will cause the protection to trip. Also make sure your speakers polarity are matched. If they are out of phase this may also cause a problem.
0helpful
3answers

Volume goes to zero and protection light comes on, any idea what the problem is?

Check the speaker wires for a short. Try operating the amp without the speaker wires hooked up.
1helpful
1answer

HI, Can the Cambridge Audio 640a integrated amp be used as a preamp if I buy a separate power amp.

Of course, just run an audio RCA pair out from the Pre Out to your next amp and any input. All control for volume, tone, etc will remain with the 640A.
0helpful
1answer

Low volume through amplifier

Turntables generate a very low signal. Phono inputs on receivers containa pre-amp section to boost the signal to "line level" or the same level as other audio devices. I would suspect that you need to add that pre-amp section. Phono preamps are available for around $20 or so and are inserted between the turntable and the standard audio input on the receiver or amp.

Hope this helps,
Dan
0helpful
1answer

I use an azur intregrated amp 540A and a Azur Pre amp 640P. When first power up, The amp makes a popping sound and the volume turns down. Some times it can pop 2 or 3 times within a few minutes. Then it...

I've never repaired one of these but I have an amp at home that makes a intermittent static "popping" noise that i'm going to put down to a dirty volume pot (control) that needs cleaning. I will also have to change some of the electro capacitors that have dried up inside which cause "shot noise". With the right lubricant (electrical contact cleaner, nothing else) you could take to lid off and spray a small 1 second blast into the hole of the pot and any other balance or tone control yourself but I would take it to the electronics repairer to get the capacitors checked over.
My theory only
Good Luck!

0helpful
1answer

Cambridge Audio Azur 340A amplifier,no sound

Start with the basics first. 1. With the amp on, in each imput socket plug a dual end phono cable in and touch the right and left plugs with your finger. You should get a buzz on each speaker. No buzz and the channel at that terminal is not working. If none of the terminals buzz. Then the amp is dead.
If some buzz and others not you have a pre-amp problem.
2: Amp Dead. Could be A power supply. B main pre-amp. C Power Amp.
The power supply check for a fuse.
The main pre-amp will only effect both channels if an IC controls both.
The Power Amp will again only loose both channels generally if it is an IC. It will be attached to a big heat sink and have lots of pins comming from it.
If it uses transistors for the main amp, you can check these with an Ohm meter. With the power off place the leads on each terminal of each transistor. If the meter goes fully over (like when you touch the leads together) each way it has shorted.
The thing to remember when repairing stereo amps. Is that the amp is two identical amps joined together. So what happens one side will happen on the other. If both channels don't work look for something that is common to both.
Good luck
PS never heard of 'cliperd'.
0helpful
2answers

The left channel in my Cambridge Azur 640 amplifier keeps cutting out. Wierdly I can often 'shock' it back to life by quickly turning up the volume a lot. Any ideas?

have the volume control cleaned by a spray of electronic contact cleaner. If the carbon coating material is already wiped-out due to use, have the part replaced
0helpful
1answer

Cambridge Audio Azur 640P

best connection from pre-out to aux in.

0helpful
1answer

Protection snaps into action intermittently

I don't think the pin or third prong on your power cord would be the problem, but I would make sure that all of your speaker wires and connections going to your amp are not shorting out against eachother.


I hope this helps you out.
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