Category Archives: Upgrades

Articles about upgrades to hi-fi equipment and where the main focus is on modifying and improving hi-fi electronics.

Marantz 125 AM/FM Stereo Tuner Alignment & Upgrades

I recently treated my Marantz 125 AM/FM Stereo Tuner to a very careful alignment and upgrade. This beautiful tuner, with upgraded power supply and output buffer, is easily the best sounding tuner I have had the pleasure of listening to.

After modification and alignment, I compared Marantz 125 to a Sansui TU-717 and several modern digital tuners including the gorgeous Kenwood L-1000T.… Read more

Musical Fidelity Tri-Vista SACD Player Restoration & Modification

I have just finished the restoration and modification of a Musical Fidelity Trivista SACD Player for a client in Alice Springs.

This particular Musical Fidelity Trivista SACD Player was to receive an update of critical signal path and DAC electronics and involved changing many dozens of parts, including eight op-amps and what seemed like hundreds of electrolytic and ceramic capacitors!… Read more