Crown XLS Power Amplifiers Fan Modification
Crown XLS-202-402-602 Fan Issues Having worked on a few 1st generation Crown XLS power amplifiers, it seems that fan problems are common. Either the fan noise is unbearably loud or… Read more >
Crown XLS-402 Power Amplifier Repair
Crown XLS-402 400W 4Ω Power Amplifier I got this Crown XLS-402 on eBay for only $13 +shipping. It looked so bad that nobody was interested. The fans at the rear… Read more >
SAE 3100 Power Amplifier Technical Review & Repair
SAE 3100 Power Amplifier SAE (Scientific Audio Electronics) has a rich history in audio. This particular model, the 3100, was manufactured between 1976~1983. It is one of their smaller power… Read more >
Soundcraftsmen PCR800 Power Amplifier Technical Review
Soundcraftsmen PCR800 The Soundcraftsmen PCR800 is one of a kind. It was introduced sometime in the early 1980s, presumably for the hi-fi market. Till today, there’s nothing like it. What… Read more >
Recycle AB Precedent 400 Power Amplifier
AB Precedent 400 Power Amplifier I bought this amplifier on eBay with the intention of restoring it. Upon removing the top, I discovered that it’s possibly the first version. All… Read more >
Crown XLS-202 Poweramp Repair
When this amp came to me, the complaint was no lights, no fans when switched on. So I did precisely that and nothing happens. Normally, this indicates a blown fuse…. Read more >