Re: Audio levels for camcorders and other electronics
- From: "PeteS" <ps@xxxxxxxxxxxxxxxxxxx>
- Date: 22 Nov 2005 07:46:15 -0800
Most audio drivers for headphone are designed for either 16 or 32 ohm
loads. The typical outputs depend on the load configuration.
I have a couple of devices I use (where I have the data, although I am
not using the outputs into low impedance loads)
A codec specifies max ~100mW -> 16 ohm, bridge tied load
An AC97 device I am using specifies 20mW with -70dB THD into either 16
or 32 ohm.
Some devices are configured for either / both headphones and speakers,
with typical speaker outputs at 8 ohm. Where there's an integral
speaker (rather than headphones) it's likely to be 8 ohm typical,
although 16 ohm is also quite common.
Hope that helps
Cheers
PeteS
.
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