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THIS IS A REPAIR SERVICE LISTING .
YOU WILL NEED TO POST YOUR SUB TO OUR WORKSHOP .
7DAYS TURN AROUND
We take the following approach to servicing:
Disassemble case
Remove all dust and debris from the circuit boards and chassis
Deep clean the circuit boards with least invasive cleaning agents possible
Check power cord and chassis earthing
Check fuses are of correct value and clean fuse holder
Clean signal and loudspeaker connectors
Carefully inspect all components for signs of damage, malfunction or overheating
Replace any minor suspect components as required and consult on other repairs
Desolder all electrolytic capacitors and replace with uprated equivalents
Double-check polarity of replaced capacitors
Gradually raise mains voltage with variac and dim bulb limiter in series
Rectify any detected issues
Check bias + zero offset and adjust as required
Inject test signals and validate performance
Burn in for 24 hours and retest
Clean case, fascia and controls
Reassemble and polish
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Category: Sound and Vision:Home Audio and HiFi Separates:Speakers and Subwoofers
Location: Northampton