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Isabellina HPA Output to Amplifier with AC and DC Coupling Options
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Isabellina HPA Output to Amplifier with AC and DC Coupling Options
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MorganE
Jr. Member
Posts: 27
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Isabellina HPA Output to Amplifier with AC and DC Coupling Options
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on:
26 Nov 2011, 01:16 pm »
Hi Vinnie,
I have the original version of the Isabellina HPA, and want to use the DAC analogue output to connect to another HP amplifier via RCA. I have a choice of AC or DC coupling. Can you please recommend/comment on this for me.
Regards,
MorganE
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Vinnie R.
Industry Contributor
Posts: 4910
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Re: Isabellina HPA Output to Amplifier with AC and DC Coupling Options
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Reply #1 on:
28 Nov 2011, 11:03 pm »
Hi Morgan,
You can try the "DC coupling" setting (which most likely bypasses an input capacitor of the headphone amp), but if you are hearing a turn on POP or turn off POP, then you should switch to AC coupling.
Best regards,
Vinnie
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MorganE
Jr. Member
Posts: 27
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Re: Isabellina HPA Output to Amplifier with AC and DC Coupling Options
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Reply #2 on:
29 Nov 2011, 12:38 am »
Hi Vinnie,
Thanks for your prompt response (as always). No pop, just a click.
Thanks again!
I am attaching a link which explains this for those interested in the subject.
http://www.tangentsoft.net/audio/input-cap.html
Regards,
MorganE
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Isabellina HPA Output to Amplifier with AC and DC Coupling Options