Question about NAD C340 Integrated Amplifier

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Unsure of connections from nad c340 to power amp, cant get both speakers working

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It sounds like you're guessing.


Have you looked at the manual?


Register and download the manual for free at retrevo.com

http://www.retrevo.com/support/NAD-C340-Amps-manual/id/8043dj588/t/2/

Page 7.

Tell us about the source(s) that won

Posted on Mar 25, 2011

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1 Answer

Cracking noise nad c340


Sometimes you can find the faulty part by touching the parts inside the amp. Only touch the plastic parts not any metal parts! As it is on one channel you have a good channel to compare the bad. Often small transitors can become noisy so start with them!

Nov 18, 2012 | NAD C340 Integrated Amplifier

1 Answer

NAD M3 power light turns red immediately and PROTECT message displays. Amp keeps functioning but volume control doesn't work up or down.


Hello
Check the connection to speaker with this amp, for any short or any other fault. disconnect the outputs, ie, speakers from the amp, and switch it On, and see the protect display comes or not. If it comes, the fault is internal and the set need service.
Your M3 dual Mono integrated amp, is of high output power and its outputs are protected against any overload or short circuit. If the system detect any among this condition specified above, it will show protect mode display.
Never load this amp, as protection display is there, as it may damage the speaker or its internal power amplifier section circuits, may cause more money to get it repaired. OK.

Jan 23, 2012 | NAD M3 Master Series Integrated...

1 Answer

All lights come on blinking c340


You either have a shorted speaker voice coil or you have a shorted output circuit in the main amp.

Jan 07, 2012 | NAD Audio Players & Recorders

1 Answer

What is the maximum speaker wattage for a NAD c340 integrated amplifier?


The specs say 2x50W into 8 ohms. I could not located the 4 ohm specs, but it is logical to assume that you can run 2x100W into 4 ohms.

The back panel seems to imply that 4 ohms is a limit for speakers.

So any speaker over 100W capability should be fine, either 4 ohms or 8 ohms.

Oct 30, 2009 | NAD C340 Integrated Amplifier

1 Answer

Connecting NAD 2600a amp.


Never connect incompatible connections. Speaker outputs are for speaker inputs. Period.

The various inputs on this or most any amp are for Line Level signal with the exception of anything explicitly labeled "PHONO" as that would be for a non-preamplified turntable ONLY.

From what I have found online, Lab-In was a NAD feature that restored the frequencies that were rolled off when turntables were being used in the (assumed) preamplifier that fed this amp.

http://web.295.ca/~peak//audio.html

"NAD belleived at the time that practical PHONO stages and the preamp and power amplifier stages be rolled off at subsonic frequencies to prevent subsonic wow and flutter from Turntables and supersonic frequencies (EMI/RF/Radio) signals from getting into the system in the first place. Their notion was that if your ears cannot physically hear it, then why amplify it. For the PURIST, there were a set of LAB IN amplifier inputs with more extended response called "LAB IN" inputs"

Use the Lab In's UNLESS you have a turntable source.

Aug 22, 2009 | NAD Audio Players & Recorders

1 Answer

NAD C340 The power amp is very muffled on the the left channel and right doesn't work work at all. Any ideas


it seems like your amp has a malfunction, it may be because some of the power transistors fried or the power IC

Aug 19, 2009 | Audio Players & Recorders

1 Answer

Connecting NAD 314 Receiver\ preamp to Carver M-500t to speakers


Dear Tim,
Yes, you can connect your NAD as a preamp to the Carver power Amp.

Connect the NAD's pre-out to the input of the Carver Power Amp. You can then connect the Klipsch speaker to the Carver. Set the gain control on the NAD.

Now you should be able to control all the input and the main volume control from the NAD.

Mar 12, 2009 | Onkyo TX-SR803 Receiver

1 Answer

Need a transistor spare part for NAD C340


Odd a transistor would have such a #. No 2Fanything series. It is most likely a 2SA949.... a PNP audio driver transistor.
It can be replaced by a NTE-383 (ECG383) transistor, though it's best to order the original # from a Japanese semiconductor supplier like MCM in Ohio.
It's best brought to a good hi-fi or guitar amp repir shop for a proper go-thru & repair.

Mark S. CET Sr. Dover, NH

Nov 06, 2008 | NAD C340 Integrated Amplifier

3 Answers

NAD C340 has lost ability to switch between inputs


I have the same problem which started about a month ago and seems to be getting worse. I also noticed today, that 1 channel is significantly louder than the other - fault in the pre-amp stage, as feeding the power stage directly gives balanced, albeit extremely loud sound! Looking on eBay, I found someone else selling an amp with both problems. It would nice to think that NAD would acknowledge a design flaw, and fix for free, but my amp is 5 year old.

Jul 14, 2007 | NAD C340 Integrated Amplifier

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