Audio Circuit
Topology:
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100% discrete, high-voltage, Class A, Dual-Channel |
Gain:
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Switched 2dB steps, -/+ 0.2dB |
Input Modes (4):
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Line, Instrument-DI, Microphone high-Z & low-Z |
LINE (transformer): |
Balanced 9,000 Ω, XLR~TRS, gain -2dB~+38dB, max. input 47dB |
INSTRUMENT ~ DI:
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Unbalanced 10,000,000 Ω, TRS, gain +2dB~+42dB, max. input 36dB |
MICROPHONE HiZ (transformer):
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Balanced 6,600 Ω, XLR, gain +20dB ~ +60dB, max. input 23dB |
MICROPHONE LoZ (transformer):
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Balanced 1,800 Ω, XLR, gain +26dB ~ +66dB, max. input 19dB |
PAD (passive input attenuator):
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Line -13dB, Instrument -10dB & Microphone -15dB |
Phantom Power:
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48V regulated @10mA, blue=power ON, red=phantom ON |
Thru output:
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Unbalanced, impedance buffered TRS
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Maximum line ouput level:
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+30dB, DC coupled, balanced 600 Ω, XLR~TRS |
Maximum isolated output level:
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+12dB transformer isolated, unbalanced |
Headphone output:
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0.5W, 600 Ω, TRS |
Noise 20kHz, unweighted:
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-98dBu typical, minimum gain |
Noise (EIN) 22Hz-22kHz:
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-128dB @ 40dB gain (low Z microphone output) |
Distortion THD, IMD:
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0.05% at +10dB, 0.5% at +30dBu |
Frequency response, -/+0.5dB:
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5Hz to 20kHz
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Frequency response, -3dB:
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2Hz to 500kHz (internal band limited)
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VU Meter:
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Professional moving coil VU, wide range -33dB ~ +18dB
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Signal LED's:
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LED peak capture, blue=0dB, red=20dB |
High Cut Filter:
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-3dB at 3.7kHz minimum phase design |
Polarity reverse (phase):
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All outputs (relay switched)
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Tone Shape:
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Ten "passive" filter-tone selections |
AC power:
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Internal toroidal AC supply, dual voltage, 115~230v selectable 50/60Hz, 35w max per channel |
Dimensions:
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19 x 3.5 x 12 in (483 x 88 x 305mm) |
Weight-packed:
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24lbs (10.9kg)
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