Amplifiers

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

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Fantastic Pioneer A-X540 Amplifier for Sale

New from Liquid Audio, a stunning little Pioneer A-X540, 85 watt per channel integrated amplifier. Asking just $295. 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 and a great buy. UPDATE […]

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Musical Fidelity X-CAN V3 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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Restored Krell KSA-150 Amplifier For Sale!

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

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Primare R32 Phono Preamplifier for Sale

Lovely Primare R32 Phono Preamplifier for Sale This Primare R32 comes complete, with box, original packaging, power cord and manual and has seen only very light use. UPDATE – Sold!! Lots has been written about the Primare R32 phono preamplifier and I have comprehensively reviewed it here. The R32 is an all-discrete, high-precision dual-mono MM/MC

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BAT VK-500 MOSFET Power Amplifier Repair

Come with me as I repair this amazing Balanced Audio Technology BAT VK-500 MOSFET power amplifier. Technically speaking, the BAT VK-500 MOSFET amplifier is an amazing design. It uses only MOSFET devices in the driver and output stages and a large bank of smaller, paralleled filter capacitors to create power supply rails of exceptionally low

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Stunning Marantz 1152DC Amplifier For Sale

I’m excited to present this absolutely stunning, completely overhauled and restored Marantz 1152DC integrated amplifier for sale. I’m asking just $1295! UPDATE – Sold! This 1152DC would suit a collector or vintage audio lover, it’s easily the nicest example I’ve seen. The Marantz 1152DC is a legendary Marantz integrated amplifier. It’s a rare and collectible

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Amazing Kenwood L-1000 System Service

Wow, I’ve just serviced a complete Kenwood L-1000 hi-fi system! This is incredible gear, beautifully constructed, with stellar build quality. The Kenwood L-1000 series are becoming rare now, so to find a complete system in the hands of its original owner is something pretty special. This stack of gear consisted of the Kenwood L-1000M power

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Yamaha CA-610 and CA-710 Integrated Amplifier Service & Repair

Recently, two friends with lovely vintage Yamaha CA-610 and CA-710 integrated amplifiers sought my assistance to have them repaired. One was dead, the other was not working well. The Yamaha CA-710 had blown one channel. One of the original output devices, a Sanken 2SA745, had a collector to base short and it had taken out

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Class-A Amplifiers and the Krell KSA-150

Regulars will know how much I love Krell’s class-A amplifier designs. The Krell KSA-150 power amplifier is a great example. In this article, I discuss the basics of class-A amplifiers, with particular reference to the gorgeous KSA-150. You may have already watched my restoration video, where I completely refurbish one of these beasts, if not,

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