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Frequency Response:
Mic Input to L - R Output
Line Input to L - R Output
To Power Amplifier Output
20 Hz — 20 kHz +0 dB/-1 dB
20 Hz — 20 kHz +0 dB/-1 dB
20 Hz — 20 kHz +0 dB/-1 dB
Graphic Equalizer:
Filter Bandwidth
Filter Frequencies
Maximum Boost and Cut
1 octave
63, 125, 250, 500, 1 k, 2 k, 4 k, 8 k, 16 k
+12 dB Boost, -12 dB Cut
Total Harmonic Distortion (THD):
< 0.01% 20 Hz — 20 kHz mic input to L/R mon. output at nominal level (20 Hz — 80 kHz BW)
< 0.01% 20 Hz — 20 kHz line input to L/R output at output at nominal level (20 Hz — 80 kHz BW)
< .005% Typical at 1 kHz
XR 800F+ Hum and Noise:
Output Residual Noise Test Conditions
Ref: 0 dBu
Main Left -100 dBu All faders down
and Right
-90 dBu Master fader nominal, channel faders down
-84 dBu All controls nominal, mic gain minimum
Monitor -100 dBu All controls down
-89 dBu Master fader nominal, channel sends down
-81 dBu Master Fader Nominal,
Channel Send Nominal
Effects -87 dBu All channel sends down
-81 dBu All channel sends nominal
(Hum and noise measurements: 22 Hz to 22 kHz BW)
S/N Ratio:
> 85 dB below rated output (500 W/channel), mic/line to speaker output
Equivalent Input Noise (EIN):
-128.5 dBu (Input terminated with 150 ohms)
Crosstalk:
> 80 dB Adjacent Input Channels (20 Hz — 20 kHz)
> 70 dB Left to right outputs (20 Hz — 20 kHz)
Common Mode Rejection Ratio (Mic Input):
50 dB min. (20 Hz - 20 kHz)
60 dB typical @ 1 kHz