User’s Guide HDSP System RPM
© RME
6
AD Mic Input
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Resolution AD: 24 Bit
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Frequency response AD @ 44.1 kHz, -0.5 dB: 5 Hz – 20.7 kHz
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Frequency response AD @ 96 kHz, -0.5 dB: 5 Hz - 32 kHz
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Signal to Noise ratio (SNR): 100 dB RMS unweighted, 106 dBA
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THD: < -100 dB, < 0.001 %
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THD+N: < -93 dB, < 0.002 %
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Input: 6.3 mm TRS (stereo) / XLR combo jack, servo-balanced
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Input impedance: 2 kOhm
DA
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Resolution DA: 24 Bit
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Signal to Noise ratio: 108 dB RMS unweighted, 111 dBA (unmuted)
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Frequency response DA @ 44.1 kHz, -0.5 dB: 5 Hz – 20.9 kHz
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Frequency response DA @ 96 kHz, -0.5 dB: 5 Hz - 35 kHz
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THD: < - 98 dB, < 0.0013 %
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THD+N: < -91 dB, < 0.002 %
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Channel separation: > 100 dB
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Maximum output level RCA unbalanced: +8 dBu, 2 V RMS
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Maximum output level TRS balanced: +14 dBu, 4 V RMS
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Output impedance: 220 Ohm
Phones
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Resolution DA: 24 Bit
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Frequency response DA, -0.1 dB: 20 Hz - 20.8 kHz (sf 44,1 kHz)
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Frequency response DA, -0.5 dB: 10 Hz - 44 kHz (sf 96 kHz)
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Signal to Noise Ratio (SNR): 108 dB (RMS unweighted, unmuted), 111 dBA
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THD: < - 98 dB, < 0.0013 %
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THD+N: < -91 dB, < 0.002 %
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Channel separation: > 100 dB
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Maximum output level: +8 dBu
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Ouput impedance: 30 Ohm
5.3 MIDI
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1 x MIDI I/O via 5-pin DIN sockets
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PCI bus based hi-speed operation
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Separate 128 byte FIFO for input and output
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MIDI state machine in hardware for reduced interrupt request load
5.4 Power supply
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The CardBus card does not provide power to the RPM. Therefore a hi-tech switching power
supply is included
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The PCI card operates as power supply for the attached RPM via the FireWire cable
The RPM draws a high startup current of more than 2 A during initialisation. Current at 12 Volt
operating voltage: unloaded 250 mA (3 Watts), loaded 560 mA (7 Watts). Supply voltage range
DC 10 V – 15 V. The center pin of the AUX jack is Plus. The unit includes protection against
reversed polarity of the power supply.
