1
Thank you
for purchasing the Model 901 headphone amplifier. It is
designed to be completely reliable and easy to use. However, we ask that you
take the time to familiarize yourself with some of the more important operation
instructions in this manual to avoid most common user problems.
The Model 901 amplifier is an ultra high fidelity monitoring device. By
revealing
all
of the contents of your signal, we hope it helps you achieve a new
level of excellence in your audio recordings.
Feel free to check out our internet web page for the latest information
regarding your amplifier. You can always find the latest owners manuals and
other technical documents at:
http://www.gracedesign.com/documents/docs.html
MODEL 901 FEATURES
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Balanced XLR analog inputs
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Unbalanced RCA analog inputs
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AES, SPDIF and TOS LINK digital inputs
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High current output amplifier drives 8 Ohm loads
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24 position level attenuator with .05dB channel matching
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Internal linear power supply
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High current, low noise torroidal power transformer
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No electrolytic capacitors in the signal path
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Highest quality metal film resistors
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Ultra low distortion 24 bit DAC accepts sample rates up to 96kHz
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Automatic digital de-emphasis filter
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10dB gain boost switch for -10 sources
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Fast, musical transipedance output amplifiers
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Precision instrumentation balanced input amplifiers
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Sealed gold contact relays for input select and gain boost switching
