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QLS QA-550

Product: QLS QA-550

By: Thomas

Awesome - much better timing and depth than my modified, Musical Fidelity cd player with digital reclocking output (and many mods).

Best tip - replace the 9v supplied transformer with a 9-12v switching power supply such as you can get cheaply with various external hard drives these days. MUCH less grunge will pass through into your DA player this way.

Many other simple mods are possible with this gadget, such as removing the display and adding heatsinks inside for a surprising improvement. Glad to see the latest bios release too.

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