A324 DAC | kW DM25 DAC | Tri-Vista 21 choke regulated Dac | X-DACv8
A324 DAC upgrade schedule
Fit new precision clock pcb
Improve digital and analog supply decoupling
Degauss unit
Replace all de-coupling caps with low ESR, high temp. type
Update to the latest software spec
Replace regulators with selected precision type
Replace critical bypass caps from ceramic to polycarbonate/polyester types
Upgrade op amps to professional spec type
Replace all audio path electrolytics with low ESR, high temp. type
Replace PSU caps with low ESR, high temp. type
Log owner name, model and serial number in Musical Fidelity archives
Issue certificate signed by Antony Michaelson
Soak test for 48 hours
Cost; £499 inc VAT
In the UK we will pay freight to your house.
Overseas clients; all freight charges in both directions, customs clearance charges and duties at your cost.
kW DM25 DAC upgrade schedule
Replace all audio path electrolytics with low ESR, high temp. type
Fit new precision clock pcb
Replace 2x (6112) tubes with matched pairs
Heater current, audio characteristics and transconductance matched
Upgrade op amps to professional spec type
Replace PSU caps with low ESR, high temp. type
Replace all de-coupling caps with low ESR, high temp. type
Update to the latest software spec
Degauss unit
Replace regulators with selected precision type
Replace critical bypass caps from ceramic to polycarbonate/polyester types
Improve digital and analog supply decoupling
Extensive choke regulation reworking and alignment
Log owner name, model and serial number in Musical Fidelity archives
Issue certificate signed by Antony Michaelson
Soak test for 48 hours
Cost; £599 inc VAT
In the UK we will pay freight to your house.
Overseas clients; all freight charges in both directions, customs clearance charges and duties at your cost.
Tri-Vista 21 choke regulated DAC upgrade schedule
Upgrade op amps to professional spec type
Replace 4x Trivista (2703) tubes with matched pairs
Heater current, audio characteristics and transconductance matched
Fit new precision clock pcb
Replace PSU caps with low ESR, high temp. type
Replace all audio path electrolytics with low ESR, high temp. type
Replace all de-coupling caps with low ESR, high temp. type
Update to the latest software spec
Extensive choke regulation reworking and alignment
Replace critical bypass caps from ceramic to polycarbonate/polyester types
Replace regulators with selected precision type
Degauss unit
Improve digital and analog supply decoupling
Log owner name, model and serial number in Musical Fidelity archives
Issue certificate signed by Antony Michaelson
Soak test for 48 hours
Cost; £599 inc VAT
In the UK we will pay freight to your house.
Overseas clients; all freight charges in both directions, customs clearance charges and duties at your cost.
X-DACV8 upgrade schedule
Update to the latest software spec
Replace all de-coupling caps with low ESR, high temp. type
Fit new precision clock pcb
Degauss unit
Replace critical bypass caps from ceramic to polycarbonate/polyester types
Replace 2 output tubes with matched pairs
Heater current, audio characteristics and transconductance matched
Improve digital and analog supply decoupling
Upgrade op amps to professional spec type
Replace all audio path electrolytics with low ESR, high temp. type
Replace regulators with selected precision type
Replace PSU caps with low ESR, high temp. type
Log owner name, model and serial number in Musical Fidelity archives
Issue certificate signed by Antony Michaelson
Soak test for 48 hours
Cost; £499 inc VAT
In the UK we will pay freight to your house.
Overseas clients; all freight charges in both directions, customs clearance charges and duties at your cost.