Can I drive headphones directly from the speaker outputs of my amp?
Jan 9, 2010 at 11:46 AM Thread Starter Post #1 of 3

Stormfriend

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Hi guys,

I've resigned myself to the fact I won't be playing music through my normal speaker system for the next few years as anything above whisper quiet seems to annoy my new neighbours (who are very quiet themselves so I shouldn't complain too much). The speakers will therefore sit in the back of a cupboard gathering dust, but it would be a shame to do the same to the amplification if I can avoid it.

The amps are an Audio Synthesis ProPassion pre (single input, passive, balanced) and some ancient Jeff Rowland Model 3 monoblocks (also balanced). I'm running them from a Micromega T-DAC (which has both single ended and balanced outputs).

As I have no headphone output and the only alternative is to buy a dedicated headphone amp, is there any way I can drive a pair of HD650s directly from the Rowlands or would that just kill me (if it didn't kill the headphones first)?

Thanks.
 
Jan 9, 2010 at 12:03 PM Post #2 of 3
Yes, but you may want to use some kind of voltage divider as you otherwise may risk overloading the headphone.

Some info here:
Quote:

Originally Posted by wavoman /img/forum/go_quote.gif
Here's how:

Headphone Adaptor for Power Amplifiers

Terrific concept. I had one custom made for a particular amp, with a switch for two difference impedances, and speaker output pass-thru by Aric at

www.aricaudio.om

Mine is in a solid Hammond black metal case, two sets of binding posts on the rear (from amp, and pass-thru to speakers), 1/4" headphone female jack on the front, and the impedance toggle switch. Non-slip feet, fine build quality.

I actually use the speaker pass thru for my K1000s, and the 1/4" for another HP, with a strong 200 wpc SS amp, and the volume on both phones is matched well. Very pleased with it.



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