Author Archives: mike

Another big Pioneer receiver on the bench and this one is a beast. Pioneer SX-1050 120wpc monster. The receiver was ran up to over 120w and produced clean sine and square waves. Rick would like some preventative maintenance done which … Continue reading →

More parts came in to finish off the electronic work in this Fisher 500c. The power supply was finished with the filter can caps being restuffed with new Nichicon PZ series caps, new bridge rectifier, and new diodes. The phono … Continue reading →

This Yamaha CA-810 integrated amp was sent in for evaluation and some restoration work. It was found that the left channel was clipping slightly quicker then the right. Overall the unit is incredibly clean with no cosmetic defects. The amp … Continue reading →

Here is a before and after shot of an ongoing project restoring a Fisher 500c. The original 0.047uf/600v and 0.047uf/400v coupling caps were removed and replaced with 0.1uf/600v Vishay polypropylene “Orange Drops”. The grid resistors which were 320k ohms were … Continue reading →

This receiver is all set to go home and be enjoyed. The amp section had capacitors and 2SC1451 transistors replaced. TO3 output transistors were removed from heat sinks, tested, thermal grease reapplied, and reinstalled. Controls were bathed in deoxit especially … Continue reading →

This Pioneer SX-1010 receiver is almost complete. Here are a few shots of the rebuilt power supply, protection circuit, and FM muting boards. The power supply as expected takes the most time and care as the most components are replaced … Continue reading →

In for restoration service is Leslie from Long Island’s Pioneer SX-1010. This is a one owner receiver that is in excellent condition and will be having a very thorough restoration to keep it reliable for more years of enjoyment. The … Continue reading →