NAD 326BEE Problem

[ei8ht14]

Request for expert advice:

Experiencing problem with my NAD 326bee:

I still hear a whisper level music coming out of the Right Channel Speaker even though the volume level is off or at zero.


At volume level zero, when i turn the BALANCE KNOB to Left, there is still sound coming out of the Right Channel. And Left Channel is silent.

What could be the problem with my amplifier?

Note: already clean the Pot (Balance & Volume) using Contact Cleaner but still the problem.exist.

Thank you in advance for the advice..

 

[Mark Tillotson]

Poor quality ground connection from the relevant controls?

 

[Ian Finch]

It might help to know when you discovered this problem.
So, is this amplifier recently acquired or otherwise new to you?
If you have been using it for a long time, did you only discover this recently?

Just a comment: There is no reason that a balance control should kill all audio in the other channel anyway, as far as I know.

 

[tiefbassuebertr]

Request for expert advice:

Experiencing problem with my NAD 326bee:

I still hear a whisper level music coming out of the Right Channel Speaker even though the volume level is off or at zero.


At volume level zero, when i turn the BALANCE KNOB to Left, there is still sound coming out of the Right Channel. And Left Channel is silent.

What could be the problem with my amplifier?

Note: already clean the Pot (Balance & Volume) using Contact Cleaner but still the problem.exist.

Thank you in advance for the advice..

check out the resistance between the GND-PIN and the output PIN of the level resp. volume control attenuator in the "ZERO" position. If the resistance is nearly 0 R on both channels, there is an issue with the GND-management anywhere in the amp. If this is the case only on left channel, you will need a new volume control device.

 

[ei8ht14]

It might help to know when you discovered this problem.
So, is this amplifier recently acquired or otherwise new to you?
If you have been using it for a long time, did you only discover this recently?

Just a comment: There is no reason that a balance control should kill all audio in the other channel anyway, as far as I know.

Owned this amp brand new on 2016.

Discovered the problem more or less a month ago, May 2020.

My main concern is, at zero volume, there is a whisper level sound coming from the right channel which i think very unusual... Thanks

 

[ei8ht14]

check out the resistance between the GND-PIN and the output PIN of the level resp. volume control attenuator in the "ZERO" position. If the resistance is nearly 0 R on both channels, there is an issue with the GND-management anywhere in the amp. If this is the case only on left channel, you will need a new volume control device.

Will look on to this.

Thank you.

 

[Leolabs]

Remove the coupler at behind in between pre-out and main-in......we need to know the problem was from preamp section or poweramp section.

 

[adason]

Request for expert advice:

Experiencing problem with my NAD 326bee:

I still hear a whisper level music coming out of the Right Channel Speaker even though the volume level is off or at zero.


At volume level zero, when i turn the BALANCE KNOB to Left, there is still sound coming out of the Right Channel. And Left Channel is silent.

What could be the problem with my amplifier?

Note: already clean the Pot (Balance & Volume) using Contact Cleaner but still the problem.exist.

Thank you in advance for the advice..

replace volume pot, its likely misaligned