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For many years we have specialised in the custom upgrading of hifi equipment. The knowledge and experience gained over the years allows us to produce the finest sound-per-pound upgrades & products for your HiFi.Please Note: This is an upgrade module for DIY Fitment. If you’d like us to fit it for you please get in touch.
We have developed this extremely easy to fit, and incredibly effective upgrade module for the Marantz C10 cd players.Replacing the three main voltage regulators (7809, 7909 & 7505) with low noise, discrete versions developed from our Clarity HC circuits brings huge, instant improvements to all aspects of sound quality. More clarity and definition with extra detail and vastly improved dynamics are immediately noticeable, and with extended use you’ll hear a whole load of subtle cues which also really enhance your listening experience.These regulators supply the servo & laser, and the 7805 supplies the main bulk of the +5v feeds inside the machine.Low Noise, Discrete & Fast Response Voltage Regulator CircuitsHigh Current FET Output DevicesVery Low Noise Voltage ReferencesLow Noise Error Amps with Very High PSRR (Power supply noise rejection)Low Noise, Thin Film Precision ResistorsSeparated Ground Planes for each regulator (3x) for superb noise rejection
To fit the module, you don’t even need to remove the lid! Simply unplug your machine from the mains, give it a few minutes for the circuits to fully discharge and then remove the two screws on the rear panel holding the heatsink. Next you just reach inside, undo the connector and remove the original board together with the heatsink. Once removed, undo the three screws holding the original, standard regulators to the heatsink and fit the new module to the heatsink. Then plug in the new module (the connector only fits one way around) and re-attach the heatsink to the chassis. That’s it! Enjoy your newly upgraded CD94 and the enhanced sound quality
CUSTOMER TESTIMONIALSI can recommend him whole heartedly and feel sure that despite the cost involved even vintage gear such as the preamp I described can sound absolutely fantastic and represents great value for money. For many cash strapped audiophiles( such as me!) I think this is the way to go! Musical Fidelity The Preamp Stage 2 Upgrade – Bob Leslie
Hi Lee,
Just to let you know that the repairs to the Marantz CD94 are working fine and the Quintessence +5v Regulator upgrade has made an amazing difference. There is much more detail and it is far more open now. It seems to have brought out the best in the various previous “upgrades” you have done for me 🙂
First chance I get I will let you have my Amplifier to go through as you suggested…!
All the very best
Steve
Audiolab 8000s Stage 2 UpgradeIt has transformed my amp. The separation has markedly increased. Very pleased
Audiolab 8000a Upgrade – Stage 2 + Stage 2 Phono Stage Upgrade
Hi Lee, I must say, the amplifier sounds really lush, the knobs work without distortion, the sound is to die for! The bass has improved as well as the mids and highs. My system now plays music! Wow! I can’t wait to her what it sounds like after I get to the 300 hour mark!Lee, I can’t thank you enough! Thank you very much for this! With Kind regards, James
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Category: Sound and Vision:Home Audio and HiFi Separates:CD Players and Recorders
Location: Grimsby