Musical Fidelity A5cr (choke regulated) Power Amplifier – £800

Musical Fidelity A5cr power amp (255wpc into 8ohms). High damping factor and powerful enough to  drive most difficult loads and low-sensitivity designs such as ATC, B&W etc.

£700 of upgrades by Musical Fidelity expert John Sampson who worked for MF.

The modifications achieve a more natural (i.e. less ‘synthetic’) yet more detailed sound.


Matched low noise driver stage transistors.
Upgraded feedback diodes.
Upgraded power supply capacitors.
Upgraded driver stage supply capacitors.
Upgraded decoupling caps.
Audio grade Bypass caps in all supply and signal caps.
Audio grade Bypass caps on choke regulation.
Burr brown Op-amps.
High current Power cabling and internal speaker cabling.

Additional upgrades are the speaker terminals. The standard terminals fitted on the A5cr are made of brass with gold flash finish . Now has WBT Nextgen terminals, the Nextgen terminals are made of 100% high quality Copper.

Dimensions (HxWxD in cm): 12.5  x 44 x 41.5
Weight: 19.4kg