Calrec S2 Operator's Manual page 66

S2
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5.1 SPECIFICATION
Measurements are with 22-22KHz filters unless otherwise stated.
All specifications are in the frequency range 40-15KHz unless otherwise stated.
Measurements specified are with equaliser and dynamics out of circuit.
0dBu = 0.775 volts RMS
Inputs
Microphones:
Lines:
Normally fed from source impedance:
Maximum input levels:
Input impedance:
(Electronic balance)
Common mode rejection (CMR)
Mics - hi gain - 200 Ω source
Mics - lo gain - 200 Ω source
& Lines
Other inputs (Insert Returns, Dir I/Ps) -40 Ω source
Outputs
Maximum output levels
Output impedances:
Output balance:
Output common mode rejection:
Outputs can withstand an input of +12dBu from a source impedance of 10 Ω. All main, auxiliary & direct outputs
can withstand phantom power backfeed.
Inputs Headroom
Above any input gain setting up to a max. input of +24dBu:
Fader Tolerances
66
dBq = CCIR QUASI-PEAK
Principal outputs (transformer)
incl. Main Outputs 1&2 (Stereo & Mono)
Other outputs (electronic)
Working range +10dB
Normal operating level = 0dBu (peak +8dBu or +6dBu)
Sensitivity = +18dBu to -78dBu
= +18dBu to -24dBu
200 Ω
Mic =
40 Ω
Line =
Mic & Line = +24dBu
1.2K Ω -24 to -75dBu (Hi gain)
Mic =
10K Ω +15 to -18dBu (Lo gain)
=
10K Ω
Line =
= >75dB at 1KHz
>60dB at 15KHz
= >70dB at 1KHz
>50dB at 15KHz
= >40dB at 1KHz
+24dBu into 10K Ω
+24dBu into 600 Ω at 1KHz
=
+22dBu into 300 Ω at 1KHz
+23dBu into 600 Ω at 1KHz
All auxiliaries =
+22dBu into 300 Ω
+24dBu into 10K Ω
=
+23.5dBu into 600 Ω
=
+20.5dBu into 300 Ω
=
25 Ω Main/50 Ω Aux
Transformer =
40 Ω
Electronic =
Transformer = -40dB at 1KHz
Electronic = -40dB at 1KHz
Transformer = -70dB
Electronic = -50dB
Mics = 36dB with 8dBu auto gain ranging
Other = 28dB
= +0.5dB
-10 to -30dB = 1dB
Below -30dB = +5dB