Reviving a Vintage Marshall Amplifier for James Carter

At Computer Assistance, we’ve been fixing audio equipment in Oxford for over 28 years, and nothing beats the thrill of bringing a classic back to life. Recently, James Carter (name changed for privacy) brought us his beloved Marshall JCM800 amplifier—a 1980s icon that had powered countless gigs but was now silent.

James noticed distorted sound and intermittent power issues—common for vintage amps. Our team at 154 Oxford Road, Cowley, Oxford, got to work. We opened the JCM800 and found several degraded capacitors in the power supply section, a frequent culprit in older Marshall amps. These capacitors, which regulate voltage, had dried out over decades, causing instability.

Using precision soldering techniques, we desoldered the old capacitors, taking care not to damage the delicate PCB traces—a skill honed over years of audio repair. We replaced them with high-quality electrolytic capacitors, matching the original specs but with modern reliability. After soldering the new components, we tested the amp’s circuits with a multimeter to ensure clean power delivery. A final sound check revealed that signature Marshall crunch—James was thrilled to hear his amp roar again.

Whether you’re a musician in Oxford or beyond, trust Computer Assistance to revive your Marshall amplifier with expert soldering and component replacement. Book your repair today at 154 Oxford Road or call 01865 717088!

“Bring Your Classic Sound Back to Life—Check Out Our Vintage Amp Restoration Services!”

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