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Riverlethe
4
Apr 22, 2016
Does anyone know the output impedance of the headphone amp?
Genkakuzai
6
Apr 22, 2016
Riverlethe100mW + 100mW output (at 32 ohms load) http://www.teac.com/product/ud-301/
theupandcomingcorey
Apr 22, 2016
GenkakuzaiAll of these companies list the output in different ways. Burson lists one of their headphone amps as outputting 4W at 16 Ohms where this is listed at 100mW + 100mW output at 32 ohms. Can you explain the conversion to me, or how these two specs compare simply in terms of output power?
DaaDaa
61
Apr 22, 2016
theupandcomingcorey4w at 16 ohm = 2w at 32 ohm = 1 w at 64 ohm .... ithe burson is way more powerful. the Teac will be fine with most regular 100 to 300 dollar cans tho
theupandcomingcorey
Apr 22, 2016
DaaDaaThanks. TEAC says it can do 600ohm cans but I bet that's not its strong suit. I like the balanced outputs.
Riverlethe
4
Apr 22, 2016
GenkakuzaiThat obviously doesn't answer the question.
Riverlethe
4
Apr 22, 2016
Why would you assume that? "Compatibility" doesn't mean anything.
chakku
58
Apr 22, 2016
Assuming manufacturers will follow such a vague, non-industry-standard spec is a bad idea.
Riverlethe
4
Apr 22, 2016
All "compatibility" means to me is that hopefully nothing will catch on fire. I'm aware of why output impedance is important, so there's no need to link to a blog on the subject. It's entirely possible that someone in this community has measured it, and some manufacturers will even support their products on this forum. This might be an unrealistic expectation, given that the manufacturer can't even answer such a basic question through their tech support.
Uzuzu
1431
Apr 29, 2016
I've seen manufacturers list compatibility down to 16 ohms in some instances where the amp sucked for anything under around 80....
matusi
0
Nov 18, 2016
RiverletheHi Riverlethe, were you able to find the output impedance of the headphone amp? I've had a similar experience with TEAC's tech support.
Riverlethe
4
Nov 18, 2016
Riverlethe56 ohms
matusi
0
Nov 19, 2016
RiverletheHmm, that seems quite high for a relatively new device. Following the 1/8 rule, one would need a headphone with an impedance of 450 ohms or more to avoid distortion. For comparison, the Audeze Deckard has an OI of 3 ohms, Audioengine D1 10 ohms, Sennheiser HDVD (!) 16 ohms. So seems not a good option with most headphones.
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