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A Sneak Pre-View of NX400NL Sub-Woofer Amplifier

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Introducting the NX400NL Sub-Woofer Amplifier
Features include
Power outputs from 200 watts RMS to 500 watts RMS
On board power supply
On board SMD signal conditioning circuit which includes...
Left-Right Input summing
+-6dB input gain adjustment
Phase selection switch
24dB/Octsve Lowpass Filter
Onboard turn on delay and loudspeaker protection
 

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Hi dudaindc

Thanks, I am building 20 of these units as we speak for a client in Melbourne, Australia.
They will be used in surround sound loudspeaker systems he is selling.

To answer your question they will be available as a completed unit only at this time.

It has quite a bit of SMD components onboard on both sides of the PCB.

I am hoping to have them built in an assembly house as even I find them challenging to assemble with the 0805 sized SMD components.

The PCB has 3 x onboard discrete voltage regulators on the bottom side of the board all SMD components.

I will be releasing a full range version which will not have the signal conditioning circuit onboard, just the power supply and turnon delay loudspeaker protection.

I have some more photos on my web site and forum which shows
the module in more detail.
 
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