The beautiful Pioneer SA-9800 integrated amplifier is a classic in terms of styling and performance. Come along as I give this one a major service. PS: Look out for the legendary CTF-1250 cassette deck I repaired, at the end! The Pioneer SA-9800 integrated amplifier is, without a doubt, one of Pioneer’s greatest integrated amplifiers and […]
I recently repaired this Rogue Audio Sphinx hybrid valve / class-D integrated amplifier. The repair also reminded me of a valuable lesson in always checking the obvious! The Rogue Audio Sphinx is a nicely made amplifier, hand-built in the USA which is a good thing. The amplifier features an unusual topology, consisting of a tube preamplifier,
These Pioneer SX-1250 Replacement Power Supply Capacitors are serious capacitors! These Nippon Chemi-Con parts have just arrived from my supplier and I’m now ready to restore the power supply of the big Pioneer SX-1250 ‘monster receiver’. Read about this complete restoration here. New Caps I’ve selected new capacitors that have a greater capacitance than the original
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This video documents my comprehensive overhaul and restoration of a gorgeous Krell KSA-150 class-A power amplifier. This wonderful KSA-150 developed a serious fault at some point in the past. This had been quickly fixed and was sold to me in very poorly repaired condition. Because of this, I decided to completely overhaul the amplifier and
