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286s
MIC INPUT Floating balanced, Pin 2 Hot
Impedance ~ 4.2kΩ Balanced
Maximum Level 0.25Vrms, Gain=30dB
Gain Adjustment Range +0dB ... +60dB
Phantom Power +48VDC, applied to XLR pins 2 and 3 through 6.81kΩ resistors
CMRR >40dB, typically 55dB
EIN –125dBu, 22Hz-22kHz, 150Ω source impedance
LINE INPUT Floating balanced, TIP Hot
Impedance 10kΩ unbalanced, 20kΩ balanced
Maximum Level >+21dBu, balanced or unbalanced
Gain Adjustment Range -15dB ... +45 dB
CMRR >40dB, typically 55dB
INSERT (1/4” TRS phone) Normalled; tip is Send, ring is Return
Ring: Impedance >5kΩ
Maximum Level >+21dBu
Tip: Impedance 100Ω
Maximum Level >+21dBu, >+20dBm (600Ω load)
Noise <-89dBu, unweighted (20Hz-20kHz); LINE GAIN Control set to 0dB
Distortion <0.01% THD, 20Hz-20kHz, +10dBu
LINE OUTPUT (4” TRS phone) Balanced/Unbalanced
Impedance 100Ω unbalanced, 200Ω balanced
Maximum Level >+21dBu, >+20dBm (600Ω load)
Gain Adjustment Range -30dB ... +10dB
Noise <-85dBu unweighted (20Hz-20kHz); Both Gain Controls set for 0dB, all
processing controls OFF
Frequency Response 20Hz ... 20kHz, +0.5, -0.5dB
Distortion <0.08%THD, 20Hz-20kHz, +10dBu, all Processing Controls OFF
COMPRESSOR
Threshold Range -40dBu to +20dBu
Compression Ratio >4:1 For input levels beyond 20dB above threshold
Maximum Compression 30dB
Attack Time Program-Dependent; >1s for small level increases, down to 10ms for
large increases
Release Time Program-Dependent; adjustable between approximately 1dB/Sec and 75dB/Sec
Distortion Typically <0.05%THD, 20Hz-20kHz, 15dB G/R, +10dBu Output, DENSITY @ 0
SMPTE Intermodulation Distortion <0.05%; 60Hz/7kHz 4:1, 15dB G/R, +10dBu Output Level, DENSITY @ 0
DE-ESSER
Characteristic Wideband Gain Reduction
Frequency Range 800Hz to 10kHz High Pass, 12dB/octave
Release Time Program-Dependent; approximately 1ms/dB
Section 6
Technical Specifications