Appendix C: Technical Info
Specifications
Frequency Response (20 Hz to 20 kHz) : |
| Input Impedance: |
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Mic input to any output: |
| Mic input: | 2.4 kΩ balanced | |
Line/CD input to any output: |
| Line/CD input: | 20 kΩ balanced | |
Phono input to any output: | ±0.5 dB RIAA EQ curve |
| FX return: | 20 kΩ balanced |
FireWire output channel 1 or 2 to the |
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| Phono input: | 47.5 kΩ shunted with |
FireWire input of the opposite |
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| 200 pF |
Manual Owner’s
Main output, 20 Hz to 20 kHz
Mic Input,
Line/CD input at unity gain: Better than 0.015%
Phono input,
FireWire direct out, looped back to same
channel’s FireWire input, unity gain: Better than 0.025% Phones output, 20 Hz to 20 kHz, +4 dBu input signal
Line input @ 0 dB Gain: | Better than 0.015% |
Mic input, maximum gain, 1 kHz: | Better than 60 dB |
Signal placed on any channel, transform switch disengaged, opposite channel measured at main outs, channels at unity gain:
Better than
Signal placed on any channel, out and in over FireWire, transform switch disengaged, opposite channel measured at main
outs, channels at unity gain: Better than
Equivalent Input Noise (E.I.N.), 20 Hz to 20 kHz, max gain:
Mic input, 150 Ω source:Better than
Phono input, 500 Ω/500 mH source: Better than 0.3 μV Signal to Noise Ratio:
Main out at unity, 20 Hz to 20 kHz, ref +4 dBu,
all channel gain knobs at minimum: Better than
all channel gain knobs at unity: | Better than |
Main out at unity, 20 Hz to 20 kHz, ref +4 dBu, FireWire inputs selected at both channels and at unity:
Better than
Mic input, preamp gain at minimum: | +9.5 dBu |
Line/CD inputs, preamp gain 0 dB: | +22.5 dBu |
Aux input: | +22.5 dBu |
Phono input: | 185 mV @ 1kHz |
Input gain control range: |
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Mic input: | +3 dB to +50 dB, |
(+10 dB fixed gain, effective range: +13 dB to +60 dB)
PGM input: | Off to +13 dB |
Aux return: | Off to +13 dB |
Output gain control range: |
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Main output: | Off to +12 dB |
Aux output: | Off to +12 dB |
Booth output: | Off to 0 dB |
XLR main output: | +22.5 dBu |
RCA main output: | +22.5 dBu |
Booth output: | +22.5 dBu |
Aux send: | +22.5 dBu |
Phones: | 2.94 Vrms into 32Ω |
| (270 mW) |
Main XLR/RCA output: | 150 Ω |
Booth output: | 150 Ω |
Aux send: | 150 Ω |
Phones: | 25 Ω |
Mic channel |
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Low: | ±15 dB @ 80 Hz |
Mid: | ±15 dB @ 2.5 kHz |
High: | ±15 dB @ 12 kHz |
PGM channel |
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Low: | |
Mid: | |
High: |
Sample rates available: | 44.1 kHz, 48 kHz, |
| 88.2 kHz, and 96 kHz |
Buffer Size: | Adjustable from 2 ms to |
| 20 mS in steps of 1 ms |
Resolution: |
OL (+20), +15, +10, +6, +3, 0,
| |
Mic input overload LED: | +18 dBu |
Power consumption: | 25 watts |
Universal AC Power Supply: | 100 VAC – 240 VAC, |
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| continued |
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| Owner’s Manual |
21