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Old 13th April 2009, 10:23 AM   #1
hifiboy is offline hifiboy  Germany
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Default Cello / Apogee DAC series 8.1

Anybody who has more information or even schematics of this DAC? Unfortunately no signal comes out anymore
although the signal is apparently aquired (LEDs show successful aquisition of the signal). Anybody who can help please?
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Old 7th March 2011, 08:01 AM   #2
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I got a malfunctioned Cello 8.1 in hand. It won't lock to input signal. The LEDs keeps blinking.

Anyone familiar with this product? Seems Apogee made this for Cello
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Old 7th March 2011, 08:23 AM   #3
hifiboy is offline hifiboy  Germany
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Default Cello DAC

The Cello is the Apogee DA-1000 with some modifications in the output stage. There is very little information to be found in the web unfortunately and Apogee won't repair this old stuff anymore. Cello does not exist anymore. You can only try to repair it yourself but given that the schematics is not available and it is a multilayer PCB it will be difficult. If you get any information let me know.
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Old 7th March 2011, 08:48 AM   #4
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So that's the situation. Anyone has schematic or service manual for DA-1000?
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