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vkung 13th August 2019 04:49 AM

PARTTIME AUDIOPHILE - SPARKLER AUDIO
 
PARTTIME AUDIOPHILE - REVIEW BY JOHN RICHARDSON

Sparkler Audio Spiral, Ether | Review | Part-Time Audiophile

abraxalito 13th August 2019 06:21 AM

Very interesting to see a CD player using the TDA1543. As the partnering 7W integrated amp has a 'current mode' input, what's its current sensitivity (or transresistance if you prefer)?

vkung 13th August 2019 07:08 AM

model S502i ― for current-mode signaling
Input: RCA jack (unbalanced), current-mode (0Ω) 2, voltage-mode (680Ω) 1

abraxalito 13th August 2019 07:12 AM

Thanks for that - do I take it that 'zero ohms' means the input's the -ve input pin on an I/V opamp?

Incidentally 'voltage mode' looks a lot too low impedance at 680ohm.

No indication then how much current input is needed to drive the amp to full power?


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