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
Year: 1978… Read more
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!
Platter: 300mm aluminium die-cast
Speed accuracy: within +-0.002%
Wow and flutter: 0.025% WRMS
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
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
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
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
This is a short clip I made, using my USB microscope to obtain high magnification images of my Ortofon MC Jubilee moving coil cartridge.
This wonderful cartridge is now for sale – visit this article for more!