Upgrades

Articles about upgrades and improvements to hi-fi equipment, the focus on modifying and improving electronics for better performance.

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Fidelity Research FR-1 Mk3 Cartridge + RS-141

I’ve been ‘secretly’ acquiring some vinyl goodies including a mint Fidelity Research FR-1 Mk3 moving coil cartridge… I followed that up with a matching Fidelity Research RS-141 one-piece milled aluminium headshell. These wonderful pieces of Japanese analog engineering partner up with my Jelco SA-750D tonearm, Kenwood KD-600 direct-drive turntable and (of course) Fidelity Research XF-1 […]

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Legendary Yamaha NS-1000M Loudspeaker Review & Upgrades

The legendary Yamaha NS-1000M loudspeaker is an iconic design that, in many ways has almost no peers even today, 50 years on. Yamaha’s NS-1000M is lauded by those who have heard them and loved by many thousands of owners, who, like me, appreciate their unique attributes. I own the pair of NS-1000s featured in this article,

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Musical Fidelity Tri-Vista 21 Tube DAC Modifications, Part 3

I recently finished another round of modifications to my Musical Fidelity Tri-Vista 21 Class A Tube DAC. In this post, I go into details about the changes and the MIL-spec vintage parts I’ve used! Actually, I will do some more power supply modifications in 2018, more on that when it happens. This is part three,

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Musical Fidelity X-CAN V3 Headphone Amplifier Upgrades

I recently modified a Musical Fidelity X-CAN V3 headphone amplifier. My goal was to see what sort of improvements I could make without spending too much cash. The Musical Fidelity X-CAN V3 uses bipolar output devices, with a tube driver stage. The tube driver stage is a JAN (Joint Army/Navy) 6922 mil-spec dual-triode tube, per

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