Frequency response of an E-MU 1212m? - diyAudio
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Old 7th November 2005, 11:49 AM   #1
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Question Frequency response of an E-MU 1212m?

Does anyone have first hand measurement of the E-MU 1212m frequency response and other measurements in 24bit 192kHz mode?

I'm considering buying the card, but can only find response information for 44.1/48kHz sampling.

I'm primarily interested in the input stage so any measurements of this would be good.
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Old 7th November 2005, 04:10 PM   #2
jcx is offline jcx  United States
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some controversy and info here:

http://forum.rightmark.org/topic.cgi?id=4:472-10

I started reading ~page 10 where a emu rep claims input relies on ADC on chip digital filter which tracks with sample rate

Loop back test frequency response is limited by a fixed frequency analog anti-imaging filter after the DAC

p12-13 reveals possible HF breakthrough on the DAC output - something I've always wanted to see in delta-sigma DAC data sheets is a full output spectrum sweep up to at least the oversampling clock freq (12+ MHz typ)
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