20
ONYX 800R
ONYX 800R
Maximum Input Levels
Mic Input:
+22 dBu, Gain @ unity
Inst Input:
+21 dBu, Gain @ –20 dB
Line Input:
> +22 dBu, Gain @ –20 dB
Input Impedance
Ch 1 and 2 Mic Input:
300
Ω
, 500
Ω
, 1.3 k
Ω
, or 2.4 k
Ω
balanced
Ch 3 through 8 Mic Input:
2.4
k
Ω
balanced
Inst Input:
1 M
Ω
Line:
20 k
Ω
balanced, 10 k
Ω
unbalanced
Output Impedance
Line:
100
Ω
balanced
Signal Level LEDs
–20 dBu, 0 dBu (normal operating level), OL = 22 dBu
Sample Frequency Selections
32 kHz, 44.1 kHz, 48 kHz, 88.2 kHz, 96 kHz,
176.4 kHz, 192 kHz, External
Bit Depth Selections
24-bit (full range from converters), 16-bit (dithered)
Analog Input Connectors
Eight balanced XLR mic inputs
Two 1/4" TS high-impedance instrument inputs
One DB25 connector with eight balanced line-level inputs
Analog Output Connectors
One DB25 connector with eight balanced line-level
outputs
Digital Input Connectors
One BNC connector for external word clock input
Digital Output Connectors
Two Toslink Optical Connectors
Both transmit channels 1-8 at 44.1/48 kHz operation
One transmits channels 1-4 and one transmits
channels 5-8 at 88.2/96 kHz operation using
S/MUX
standard
One transmits channels 1-2 and one transmits
channel 3-4 at 176.4/192 kHz operation using
S/MUX
standard
One DB25 Connector
Transmits AES/EBU or S/PDIF formatted digital
audio with single-wire/dual-wire options available at
all sample rates
Appendix C: Technical Info
Onyx 800R Specifi cations
Frequency Response
Mic Input to Line Output (Gain @ unity):
+0, –0.1 dB, 20 Hz to 30 kHz
+0, –3 dB, 10 Hz to 170 kHz
Mic Input to Digital Output (AES, 192 kHz sample rate):
+0, –0.2 dB, 20 Hz to 85 kHz
+0, –1 dB, 10 Hz to 90 kHz
Distortion (THD & IMD)
Mic Input to Line Output (@ +4 dBu output):
THD+N: < 0.0007%, 20 Hz to 20 kHz BW, 1 kHz input
@ +4 dBu, preamp at unity gain
THD+N: < 0.002%, 10 Hz to 30 kHz BW, 1kHz input
@ 10mV rms (–37.8 dBu)
SMPTE IMD: < 0.005% (4:1 IMD)
Mic Input to Digital Output (AES, 48 kHz sample rate):
THD+N: < 0.004%, 10mV rms input,
gain at –1 dB FS output
Dynamic Range
>123 dB (Mic In to Line Out)
>113 dB (through A-to-D converters)
Noise
Signal-to-Noise (A-weighted):
>103 dB (ref. +4 dBu, Mic In to Line Out, Gain @ unity)
Equivalent Input Noise (E.I.N.), 20 Hz to 20 kHz Bandwidth,
150
Ω
source impedance:
–129 dBu @ +60 dB gain
Residual Output Noise:
Line Out: < –102 dBu (Channel Gain at unity)
Digital Out (AES, 48 kHz): < –113 dB FS
Common Mode Rejection Ratio (CMRR)
Mic In: >60 dB @ 1 kHz, Gain @ maximum
Crosstalk
Mic Input to Line Output:
< –100 dB @ 1 kHz, +10 dBu signal on adjacent
input,
150
Ω
source impedance
Input Gain Control Range
Mic In: 0 dB to +60 dB
Line In: –20 dB to + 40 dB
Phantom Power
+48
VDC
Equalization
High-Pass Filter: 75 Hz @ 18 dB/octave
Rated Output
Line:
+4 dBu
Maximum Rated Output:
+24 dBu @ Balanced Line-Level Outputs
