True to the music – Radial Engineering WORKHORSE 500 SERIES User Manual
Page 18
True to the Music
Radial Engineering Ltd.
Workhorse User Guide
15
SPECIFICATIONS
Circuit type:
Virtual earth mix buss integrated
operational amplifi er - Class AB
Max output level:
+22dB (20Hz to 20kHz)
Voltage Gain:
Up to +23dB on the main output
Distortion:
0.007% @ 1kHz with 10dB in and 10dB
out
0.05% @ 20Hz with 10dB in and 10dB out
Signal to Noise:
-91dB with +20dB output
Card Slot Inputs:
8 x balanced XLR, ¼” TRS, D-SUB
Card Slot Outputs:
8 x balanced XLR, ¼” TRS, D-SUB
Card Slot Impedance:
Depends on modules used
Internal Mix Buss:
4.75k Ohms input coupling resister
Summing Mixer Input:
DB-25, Unbalanced +4dB/-10dB
with up to +20dB capacity;
input impedance = 4.75K Ohms
Main Output:
+4dB balanced stereo XLR and ¼” TRS
outputs; Jensen™ transformer isolated
Main Inserts:
¼” TRS - tip = send; ring = return
Monitor Output:
+4dB balanced stereo XLR and ¼” TRS
outputs; transformerless; +4dB balanced
Headphone Out:
¼” TRS Stereo - 2.8VRMS @ 8 Ohms
(up to 7VRMS depending on headphone
impedance)
Ground:
Red: audio, Black: chassis
Power Supply Input:
100V - 240V AC (50~60Hz)
Power Supply Output:
1600mA - External switching type with
5-pin XLR, +/-16 VDC; 48V phantom
Dimensions:
19” wide x 5.25” tall x 7.44” deep
482.6 wide x 134 tall x 189mm deep
Weight: 22lbs
/
10kg
MONO / STEREO SW
D-SUB INPUTS
D-SUB OUTPUTS
SUMMING MIXER INPUTS
INPUT
OUTPUT
INPUT
OUTPUT
OTHER
INPUTS
4K75
4K75
CHANNEL 8
FEED SW
LINK SW
CARD SLOT
1
OMNIPORT
EXP
A
NSION BUSS
STEREO INPUTS
MIXER CH. 2
LEVEL
MIXER CH. 1
LEVEL
OVERLOAD
LED
MIXER CH. 2
ON/OFF
MIXER CH. 1
ON/OFF
PAN
EXP
A
NSION BUSS
STEREO OUTPUTS
MAINS INSERT
MAINS INSERT
FEED T
O
NEXT
CHANNEL
INSERT: TIP=SEND / RING=RETURN
MASTER BUSS
PIN 11
MIX BUSS
PIN 11
MIX BUSS
PIN 9
PIN 7
PIN 9
PIN 7
HEADPHONE
OUTPUT
MAIN OUTPUT
RIGHT
MAIN OUTPUT
LEFT
MONITOR OUTPUT
RIGHT
MONITOR OUTPUT
LEFT
MONITOR
LEVEL
MONITOR
ON/OFF
MASTER
LEVEL
MASTER
ON/OFF
OMNIPORT
CARD SLOT
2
PAN
OVERLOAD
LED
HEADPHONE
LEVEL
TRANSFORMER
ISOLATION
TRANSFORMER
ISOLATION
WORKHORSE BLOCK DIAGRAM