Soundcraft GB2R

Terug

Frequency Response
Mic/Line Input to any output, 20Hz - 20kHz....................................................<1dB
THD + N
Mic sens. -30dBu, +10dBu at all outputs @1kHz...........................................<0.006%
Noise
Measured RMS, 22Hz to 22kHz Bandwidth
Mic E.I.N. @ unity gain,150Ohm source impedance.......................................-128dBu
Mix Output, 16 inputs routed to mix................................................................<-86dBu
Group & Centre Outputs.................................................................................<-86dBu
Aux Outputs....................................................................................................<-86dBu
Crosstalk (@1kHz, typical)
Input Channel Mute........................................................................................<-97dB
Input Fader cut-off..........................................................................................<-95dB
Pan isolation...................................................................................................<-77dB
Mix route isolation...........................................................................................<-97dB
Group route isolation......................................................................................<-97dB
Adjacent channel crosstalk.............................................................................<-99dB
Group to Mix...................................................................................................<-89dB
Aux Send pots offness (typical)......................................................................<-84dB
CMRR
Typical @ 1kHz...............................................................................................90dB
Input & Output Max Levels
Mono & Stereo Mic Inputs..............................................................................+15dBu
Mono & Stereo Line Inputs.............................................................................+30dBu
Stereo Returns & Insert Returns.....................................................................+20dBu
Any output.......................................................................................................+20dBu
Nominal Operating Level................................................................................0dBu
Headphone Power..........................................................................................2 x 250mW into 200Ohms
Input & Output Impedances
Mic Inputs........................................................................................................2kOhms
Line Inputs and Stereo Returns......................................................................10kOhms
Input channels Insert Return...........................................................................5kOhms with EQ in, otherwise 3kOhms
Mix, Group, Aux, Matrix & Direct outputs........................................................150Ohms
Insert sends....................................................................................................75Ohms
Recommended Headphone Impedance..........................................................50-600Ohms
EQ (Mono input)
High pass filter (Mono input)..........................................................................100Hz, 18dB/octave
HF...................................................................................................................13kHz, +/-15dB, 2nd order shelving
Hi-Mid.............................................................................................................550Hz-13kHz, +/-15dB, Q=1.5
Lo-Mid.............................................................................................................80Hz-1.9kHz, +/-15dB, Q=1.5
LF...................................................................................................................80Hz, +/-15dB, 2nd order shelving
Metering
Input channels................................................................................................Single LEDs, Signal Present & Peak
Outputs...........................................................................................................2 tri-colour 12-segment LED bargraphs
Power
AC mains supply (internal PSU)......................................................................90V-240V AC, 50/60Hz universal input
Power consumption........................................................................................Less than 100W
Operating conditions
Temperature range.........................................................................................-10ºC to +30ºC
Relative humidity.............................................................................................0% to 80%
Note: These figures are typical of performance in a normal electromagnetic environment. Performance
may be degraded in severe conditions. All measurements refer to electronically balanced inputs and
outputs.