Main On/Off Power Switch for various NAD Amp Models - diyAudio
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Old 19th November 2010, 05:36 PM   #1
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Location: D-55629 Schwarzerden
Default Main On/Off Power Switch for various NAD Amp Models

I need follow power switch (double switch) for replace by NAD integrated amp model 3130; one half for mains switch ON (active = Power ON, passive = Power-Off) and the other half for switch off the connection between R516 (390R) and neg pole of C520, 47uF at the same time (Active = off, Passive = on).
In my NAD model 3130 this "ON" function after performed "switch-off" serves to avoid buzzing-, bump and noise effects (through switch off the mute jFETs Q303/304, type J111) by the preamplifier output signal at the pre-out female rear cynch plugs so as the power amp input.

Where I can order such kind of doubleswitch - the NAD order code (mentioned in the service manual of 3130) are follow:
L432Y034H01 and L432Y035H01

By a wide range of other NAD models so as other brands this kind of switch is also in use. Thus it must be an universal device and not a custom made device - so I think. But I am not absolutely sure

Thank you very much for appropriate hints about brands and delivery sources so as the the popular name in colloquial english for this kind of "Power-ON" main switch.
Attached Files
File Type: pdf NAD power switch downscale.pdf (25.8 KB, 104 views)
File Type: pdf NAD power switch top view downscale.pdf (13.5 KB, 73 views)

Last edited by tiefbassuebertr; 19th November 2010 at 05:40 PM.
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Old 14th February 2012, 06:12 PM   #2
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Maybe the switch about
NE1839EE C&K Components Pushbutton Switches
is a helpful solution
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Old 2nd November 2012, 08:13 PM   #3
SPL db is offline SPL db  United States
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How about this switch?
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Old 2nd November 2012, 09:58 PM   #4
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if you need "two" switches in can use any DPST switch as above
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Old 3rd November 2012, 10:39 AM   #5
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Location: D-55629 Schwarzerden
Originally Posted by SPL db View Post
How about this switch?
Datasheet from Alps PT series is here:

What must I do to create a switch like that one from page A100 about this URL:
- that is for me the question.

Last edited by tiefbassuebertr; 3rd November 2012 at 10:44 AM.
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Old 1st May 2014, 05:05 PM   #6
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This is late, but what you do is replace the power switch and then use a 12 volt dip relay to spoof the other part of the switch.

Connect the power to the relay from the 12 volt line on the tuner section.
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