Allen&Heath PA28 - Manual (Page 32)

32 PA User Guide
Specifications
Max output level
XLR +23dBu into >600ohm load
TRS +21dBu into >2k load
Nominal output level 0dBu (0.775 Volts rms)
Headroom +21dB
Freq response
+/-1dB 20Hz to 30kHz
Distortion < 0.006% THD+N @1kHz +10dBu
Crosstalk <-90dB Channel to channel @1kHz
<-95dB Mute shutoff
<-95dB Fader shutoff
MIC EIN 22-22kHz
-128dB 150 ohm source
Residual noise < -88dBu
Mix noise < -84dBu
Meters
Peak reading 12 LED
-30 to +16dB
Channel Peak 5dB before clipping
Power Supply
Internal universal input switched mode power unit.
MAINS IN socket
IEC 3 pin
Power lead Country dependent with moulded mains plug supplied
AC mains 100 to 240V AC @ 50/60Hz auto sensing
Consumption 75W max
Mains fuse rating 100-240V AC T1AL 250V 20mm (A&H part number: AL0305)
Mechanical
Mounting Portable with carry handle, freestanding desk or floor
Removable plastic side trims and extruded aluminium armrest
19” rack ears provided with PA12
Rack ears mount in two positions - straight 10U, angled 11U
Panels Controls 10 degrees, top connectors, rear mains, lamp and XLR outputs
Width Height Depth Weight
PA12 (desk) 525 mm (20.6”) 145 mm (5.7”) 539 mm (21.2”) 13 kg (28 lbs)
PA12 (rack) 484 mm (19.0”) 446 mm (17.6”) 145 mm (5.7”) 13 kg (28 lbs)
PA20 733 mm (28.9”) 145 mm (5.7”) 539 mm (21.2”) 17 kg (37 lbs)
PA28 958 mm (37.7”) 145 mm (5.7”) 539 mm (21.2”) 21 kg (46 lbs)
14
5
12
8 50
Channel HPF 100Hz 12dB/octave
Channel EQ 4-Band semi-parametric
+/-15dB gain
HF shelving 12kHz
HM bell 350Hz to 7kHz
LM bell 250Hz
LF shelving 60Hz
Output EQ 4-Band semi-parametric
+/-10dB
HF bell 1k5 to 20kHz
HM bell 500 to 10kHz
LM bell 120 to 2kHz
LF bell 20 to 200Hz
Mono Sub LPF 100Hz 12dB/octave
Faders 100mm Alps
Digital Effects Stereo output
16 presets
MIDI Effects preset select
Effects bypass
Channel number = 1 (00H)