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Owner’s Manual
Owner’s Manual

Specifi cations

Frequency Response :

Mic Input to any Output: (Trim at 0 dB):+0, –1 dB
20 Hz to 20 kHz
Line/CD Input to any Output: ±0.5 dB
20 Hz to 20 kHz
Phono input to any Output: ±1 dB of RIAA EQ curve

Distortion (THD and IMD):

THD @ Main Output, 20 Hz to 20 kHz
Mic Input @ 30 dB Gain: Less than 0.0075%
Line/CD Input @ 0 dB Gain: Less than 0.0075%
Phono Input: Less than 0.01%
THD @ Phones Output, 20 Hz to 20 kHz
Line Input @ 0 dB Gain: Less than 0.03%
SMPTE IMD @ +4 dBu Output:
Mic Input @ 30 dB Gain: Less than 0.008%
Line/CD Input @ 0 dB Gain: Less than 0.008%

Common Mode Rejection Ratio (CMRR):

Mic Input (Gain = maximum) Greater than 60 dB
@ 1 kHz

Crosstalk:

Adjacent Inputs or Input to Main Output:
Less than –85 dB
@ 1 kHz

Noise Characteristics:

Equivalent Input Noise (E.I.N.) (20 Hz to 20 kHz):
Mic Input (150 Ω source impedance): Less than –123 dBu
Phono Input (500 Ω/500 mH source impedance):
Less than 0.3 µV
CD/Line Input (150 Ω source impedance):
Less than –110 dBu
Dynamic Range (Main Out): Greater than 100 dB

Maximum Input Levels (rated at 1% THD):

Mic Input (Gain @ minimum): +9 dBu
CD and Line Inputs (PGM Gain = 0 dB):
+22 dBu
FX Input: +22 dBu
Phono Input: 78 mV @ 1kHz

Input/Output Characteristics:

Input Gain Control Range:
Mic Input: +13 dB to +63 dB
PGM Input: OFF to +13 dB
FX Return: OFF to +13 dB
Appendix C: Technical Info

Input Impedance:

Mic Input: 2.4 kΩ balanced
CD/ Line Input: 20 kΩ balanced
FX Return: 20 kΩ balanced
Phono Input: 47.5 kΩ shunted with 200 pF

Maximum Output Levels:

XLR Main Output: +22 dBu
RCA Main Output: +22 dBu
Booth Output: +22 dBu
FX Send: +22 dBu
Phones: 15 volts rms into 8Ω (28 watts)

Output Impedance:

Main XLR/RCA Output: 150 Ω
Booth Output: 150 Ω
FX Send: 150 Ω
Phones: 25 Ω

Equalization

Mic Channel
Low: ±15 dB @ 80 Hz
Mid: ±15 dB @ 2.5 kHz
High: ±15 dB @ 12 kHz
PGM Channel
Low: +10/–inf dB @ 300 Hz
Mid: +10/–inf dB @ 1 kHz
High: +10/–inf dB @ 4 kHz

VU Meters

12-segment pre-fader PGM meters
12-segment pre-fader Main Mix meters
OL (+20), +10, +7, +4, +2, 0, –2, –4, –7, –10, –20, –30
0 LED = +4 dBu
Mic Input Signal Present LED (Sensitivity): –20 dBu

continued