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Tube Technology Fulcrum DAC64 EPROM?
Tube Technology Fulcrum DAC64 EPROM?
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Old 8th February 2015, 09:45 PM   #1
AndrewCee is offline AndrewCee  United Kingdom
diyAudio Member
 
Join Date: Feb 2013
Location: Swindon, UK
Default Tube Technology Fulcrum DAC64 EPROM?

Hi folks,

My Tube Tech DAC 64 EPROM has lost some of its firmware such I see digital noise on the right negative balanced output from the digital board, and the 48kHz decode is now just noise. Has anyone an EPROM copy available, or a file copy I can burn please?

Great dac, better still after my mods to the analogue board. Want to keep it alive if I can....

Thanks,
Andrew
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Old 13th February 2015, 11:04 PM   #2
AndrewCee is offline AndrewCee  United Kingdom
diyAudio Member
 
Join Date: Feb 2013
Location: Swindon, UK
Default DAC64 Crackling on 16bit 44kHz Input

Hi,

Fixed the noisy right negative input to the analogue board - faulty capacitor. Anyone any ideas for stopping crackling on 44kHz input on right channel please? See what look like random spikes on analogue input from digital board output, no obvious loose connections or dry joints anywhere.

Thanks,
Andrew
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