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.

Register an account to receive our Quarterly Email Newsletter, new product news and exclusive discounts.

Display: List / Grid
Sort By:
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 405 Transformer Replacement
Quad 405 Transformer Replacement Our Quad 405 Transformer Replacement allows a buzzing/humming mains transformer to be replaced with a high quality toroidal type. Comes with custom aluminium mounting bracket. High..
Marantz CD 94 MK2...
Hi Lee,
Just to let you know that the repairs to the Marantz CD94 are working fine and the Quintessence +5 ...»

Steve B... Chester...

Audiolab 8000s St...
«It has transfromed my amp. The separation has markedly increased. Very pleased»

Chris A...

Arcam Alpha 9 CD ...
«Doing business with Red Hill Audio is pretty easy! My CD player had suffered the hum problem, from decaying electrolytics in the power supply, and ...»

Stephen... Ipswich

Red Hill Audio © 2017