Quad Upgrade Modules

Quad Upgrade Modules

Quad Upgrade Modules

We have recently started taking a more modular approach to our upgrade services.

Featuring bespoke circuits, carefully laid out on high-quality printed circuit boards & of course, using the finest quality components for the best sound.

These modules are now available for you to fit inside your own equipment.

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Quad 405 Dual Mono PSU
Quad 405 Dual Mono PSU Our Quad 405 Dual Mono PSU makes a big improvement to this fantastic amplifier. Bass grip, definition and control is improved along with clearer and better defines mids and treble. This version of..
Quad 66 Stage 1 U...
Hi Lee,
Just a short message to say thanks ...»

John Wi...

Audiolab 8000a
Dear Lee, 
I’ve been meaning to drop you a quick email to say thank you once again for fixing the old Audiolab amp. It arrived saf ...»

Peter M...

Quad 306 Upgrade
hello Lee,

yes I am thoroughly impressed by the clarity and space around the instruments and voices, like clear water. 
I am ex ...»


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