[sdiy] headphone driver for synths

Mike Bryant mbryant at futurehorizons.com
Thu Aug 26 12:08:12 CEST 2021


Agree the 4556 would be better for hi-fi listening as slightly better noise (nobody will hear any distortion from either op-amp), but for the PFL applications I find the 5532 is more than good enough.  For either case if you need more drive simply parallel up more op-amps.

-----Original Message-----
From: Synth-diy [mailto:synth-diy-bounces at synth-diy.org] On Behalf Of Tony Allgood via Synth-diy
Sent: 26 August 2021 08:26
To: synth-diy at synth-diy.org
Subject: Re: [sdiy] headphone driver for synths

I've used one based on the O2:

http://nwavguy.blogspot.com/2011/07/o2-headphone-amp.html

It's very similar to Mike's 5532 op-amp design but this chap uses the 4556.

It's a long wordy (and interesting) blog but the schematic via the 'documentation package' is found on this page:

http://nwavguy.blogspot.com/2011/08/o2-details.html#resources

Tony

www.oakleysound.com
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