MICROPHONE INPUTS
Connectors: Female XLR Pin 2 hot
Type: Electronically balanced/unbalanced
Impedance: 1.70 kΩ
Optimum Microphone Impedance: 150 - 200 Ω
Maximum Input Level: > +13 dBu,or +33 dBu with 20 dB pad engaged
CMRR: > 115 dB at 60 Hz,> 110 dB at 1 kHz,> 75 dB at 10 kHz
LINE INPUTS
Connectors: Female XLR Pin 2 hot and TRS 1/4”
Type: Electronically balanced/unbalanced
Impedance: >40kΩ balanced,>20kΩ unbalanced,or 470kΩ unbalanced with rear-panel
INST switch engaged
Maximum Input Level: > +30 dBu,or +22 dBu with rear-panel INST switch engaged
OUTPUTS
Connectors: Male XLR Pin 2 hot and TRS 1/4”
Type: Servo-balanced/unbalanced,RF filtered
Impedance: Balanced 120W,unbalanced 60Ω
Maximum Output Level: >+21 dBu,balanced or unbalanced
INSERT
Connectors: TRS 1/4”
Type: Impedance balanced/unbalanced (SEND),
Electronically balanced/unbalanced (RETURN)
Impedance: SEND:100Ω balanced/50Ω unbalanced
RETURN:40kΩ balanced,20kΩ unbalanced
Nominal Send Level: +4 dBu
Nominal Return Level: +4 dBu
SYSTEM PERFORMANCE
DRIVE Control Range: +10 dB to +60 dB
LEVEL Control Range: -15 dB to +15 dB
0.5 dB Bandwidth: 15 Hz to > 90 kHz +0/-0.5 dB
Frequency Response: <10 Hz to >200 kHz +0/-3.0 dB
EIN: Typically -126 dBu,150Ω source impedance,unweighted,22 kHz measure-
ment bandwidth
THD + Noise: 0.04% typical at 0 dBu out,1kHz,33 dB gain
(Drive control at minimum,Level control at maximum)
3.5% typical at +21 dBu out,1kHz,35 dB gain
(tube saturation with Drive and Level controls at 50%)
Deviation From Linear Phase: < 20 degrees,20 Hz to 20 kHz.
Interchannel Crosstalk: Typically -98 dB,20 Hz to 20 kHz.
EQUALIZER
LOW Frequency: 80 Hz,shelving filter
HIGH Frequency: 12 kHz,shelving filter
MID Frequency: Sweepable from 100 Hz to 8 kHz, bandwidth 1.5 octaves (WIDE) or 0.5
octaves (NARROW)
Gain (all bands): Sweepable from -15 to +15 dB.
Sppeccificcaattioonss
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