Amplifiers

Articles about power amplifiers, integrated amplifiers, big and small amplifiers, solid-state and tube amplifiers!

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Rogue Audio Sphinx Integrated Amplifier Repair

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, […]

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Fantastic Pioneer A-X540 Integrated Amplifier for Sale

New from Liquid Audio is a stunning little Pioneer A-X540, 85 watt per channel integrated amplifier. Asking just $295. UPDATE – SOLD! This amplifier is perfect for someone looking for a compact, powerful amplifier for a second system, or perhaps looking to set up their first proper system. Again, this is a one owner amplifier

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Musical Fidelity X-CAN V3 Class-A Headphone Amplifier for Sale

Another great piece of audio gear for sale from Liquid Audio, this is a highly regarded, Musical Fidelity X-CAN V3 class-A tube headphone amplifier, in pristine condition, with original packaging. UPDATE – SOLD! This X-CAN V3 class-A tube headphone amplifier is a perfect example of the fine pieces Liquid Audio offers for sale. She comes

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Marantz PM-8 – Dead Filter Capacitors

Just a short post while I am repairing/restoring an absolutely massive Marantz PM-8 integrated amplifier. These main filter capacitors in the Marantz PM-8 sit in the power supply and do all the ‘heavy lifting’ required to make the power supply smooth and quiet. All four 15,000uF capacitors have literally spewed their contents all over the

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Fully Restored Krell KSA-150 Class-A Amplifier for Sale in Near-Mint Condition

This is a once in a lifetime opportunity to own a near-mint, fully restored, KSA-150 class-A power amplifier, with original double boxes and 15 amp power cable. This stunning amplifier also has the very unusual 15-11150 serial number, perfect for a KSA-150! I even have the original owner’s manual somewhere and will try to find

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