Category Archives: Equipment

Rare Musical Fidelity Tri-Vista 21 192K Tube DAC for Sale!

Here is your chance to own a very rare and extensively upgraded Musical Fidelity Tri-Vista 21 192K Tube DAC, in almost pristine, unmarked condition. Priced @ $1750.

One of only 1500 made, this Tri-Vista 21 Tube DAC has been mine for the last 7 years. This is a late production unit, numbered 1419/1500.

Specifications, courtesy of Musical Fidelity:

DAC architecture: 24-bit Delta-Sigma (Bitstream) Dual differential
8 times oversampling, 96/192kHz switchable
Sampling frequencies: 8 to 108kHz
Data types: 16, 20, 24 bit word lengths
Inputs: RCA 75W, S/PDIF, TOSLINK optical
Outputs: RCA left and right analog audio, RCA digital loop out
Output impedance: 50 Ohms
Frequency response: 10Hz to 20kHz ± 0.0dB
Signal/noise ratio: 114dB “A”- weighted
Total harmonic distortion: < 0.0025% 10Hz to 20kHz
Total correlated jitter: < 135pS
Channel separation: < 109dB 20Hz to 20kHz
Linearity: < 0.2dB down to -100dB
Audio output at digital 0dB level: 2.17 Volts RMS at 1kHz nominal
Power requirements: 100, 115 or 230Volts AC 50/60Hz, 30 Watts
Dimensions: 440mm, 17.3 inches wide, 105mm, 4.13 inches high, 375mm, 14.8 inches deep (including terminals)
Weight: 13.15kg, 29lbs unit only

Musical Fidelity have a link to the owner’s manual here.… Read more

Denon DP-30L Direct-Drive Turntable Service & Repair

I work on quite a few of these lovely Denon decks. Here’s a closer look at a Denon DP-30L I serviced recently, and a reminder of why it’s important to take your deck to the right person for work.

For more Denon DP-30L goodness, check out this service and review article. This particular unit came to me having just had an Ortofon 2M Red moving magnet cartridge fitted, plus a new lead-out cable.… Read more

Quad 44 Preamplifier Service

I’ve just serviced a Quad 44 preamplifier. In this article, I’ll show you what the 44 looks like inside and explain some of its features.

Along with a Quad 405 power amplifier, I recently serviced this Quad 44 preamplifier, both owned by the same customer. I’m told he purchased them after a chat we had about resurrecting his KEF speakers, and purchasing some Quad gear to power them!… Read more

Quad 405 Amplifier Service & Refresh

Visitors to my site will already know how much I like the Quad 405. A recent conversation with a customer inspired him to acquire some Quad gear, including this lovely, original 405. In this article, I cover a Quad 405 service.

Talk about great sounding amps. This particular 405 was completely original, with its original capacitors and connectors.… Read more

Sound Foundations Record Stabilizing Ring Clamp Review

Record clamps are an important part of a good vinyl system. For most people, these take the form of center clamps or spindle clamps. I was keen to find a good, affordable peripheral or ring clamp that I could recommend. I have – read on.

A while back I was searching online for a peripheral or ring-type record clamp to review, and I stumbled across Sound Foundations, operating out of Mumbai, India.… Read more

Luxman PD-171A Turntable On-Site Installation – Luxman Super-System!

I’ve just finished a fascinating on-site system installation with a colleague of mine. My job was to commission and set-up a Luxman PD-171A turntable, plus Ortofon Cadenza Black cartridge, as part of a Luxman super-system!

My colleague and good friend, Kent, owns Douglas Hi-Fi, a famous Perth hi-fi store and one of the few places still selling stereo hi-fi gear.… Read more

Sansui BA-F1 Power Amplifier Restoration Update

I’ve now finished restoring a lovely Sansui BA-F1 DC power amplifier. The Sansui BA-F1 is another beast of an amplifier from the golden era of hi-fi.

This Sansui BA-F1 has had a hard life, but will be good as new, once I’ve finished this restoration. I’m replacing all board-mounted capacitors, along with a few semiconductors. I am also cleaning and tidying up wiring and board goofs made by whoever repaired this previously.… Read more