Category Archives: Videos

A Look Inside the Sansui AU-919 Integrated Amplifier

A very quick update to give you a look inside a stunning and very rare Sansui AU-919 integrated amplifier I’ve just serviced.

There’ll be a full article coming soon, but in the meantime, enjoy this look inside the amazing Sansui AU-919!

Specifications (Courtesy of the HiFi Engine)

Power output: 100 watts per channel into 8Ω (stereo)
Frequency response: 20Hz to 20kHz
Total harmonic distortion: 0.008%
Damping factor: 100
Input sensitivity: 0.1mV (MC), 2.5mV (MM), 150mV (line)
Signal to noise ratio: 74dB (MC), 90dB (MM), 100dB (line)
Channel separation: 75dB (MM), 70dB (MC), 80dB (line)
Output: 150mV (line), 1V (Pre out)
Speaker load impedance: 8Ω (minimum)
Dimensions: 430 x 168 x 428mm
Weight: 21.4kg
Year: 1978… Read more

The Gorgeous Technics SL-10 Playing Vintage Vinyl

Just a very quick video post today, showing a stunning Technics SL-10 I’ve just finished  servicing, playing some vintage vinyl.

The Technics SL-10 was and still is a groundbreaking deck in many ways. I’ll be doing a full service article and review soon, but in the meantime, enjoy some specs, and a video!

Specifications

Platter: 300mm aluminium die-cast
Speed accuracy: within +-0.002%
Wow and flutter: 0.025% WRMS
Rumble: -78dB
Tonearm type: Dynamic balanced linear tracking gimbal suspension
Effective length: 105mm
Cartridge type: EPC-310MC moving coil stereo
Frequency response: 10 to 60,000Hz
Dimensions: 315 x 88 x 315mm
Weight: 6.5kg

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Yamaha MX-1 Statement Power Amplifier Repair

I’ve just finished a repair on an amazing power amplifier – the Yamaha MX-1. You can skip to the video now, or read on for more details…

The Yamaha MX-1 was the best and most expensive amplifier in the Yamaha line-up for 1993. I truly had to wrestle this thing around the workshop, it’s so heavy for its size, it feels like it’s made of lead!… Read more

Kenwood KD-600 Direct-Drive Turntable Service & Set-up

In this video, I explain some considerations when correctly setting up a turntable like the Kenwood KD-600.

This particular deck came to me very poorly set-up. The deck’s owner received some very bad advice from, of all people, Ortofon! I’m a big fan of Ortofon gear, but clearly not everyone there knows what they are talking about.… Read more

Marantz PM-8 Esotec Integrated Amplifier Repair & Restoration

I’ve been very busy repairing and restoring this stunning Marantz PM-8 integrated amplifier. In my opinion, this is one of the best integrated amplifiers from the golden era of the 70’s and 80’s.

More photos and details of the Marantz PM-8 restoration soon. You can find my article about the exploded filter capacitors, here!

In the meantime, here’s a video summary of the testing and setup of bias, DC offset and power supply voltage.… Read more