True to the Music
Radial Engineering Ltd.
mPress™ Owner’s Manual
10
SPECIFICATIONS & bLOCk DIAGRAM
48V PHANTOM
POWER ON/OFF
ACCUSTATE
MIC-PRE
WITH MIC LEVEL
CONTROL
GAIN
CW
Female
Female
FRONT
REAR
REAR
MIC 1 - INPUT
FRONT
MIC 2 - INPUT
HIGH PASS
FILTER
HPF1 ON
LIMITER
THRESHOLD
RELEASE
TIME
CW
CW
CW
CW
CW
CW
SIG PRESENT
/ CLIP LED
2 IN/1 OUT
MIX
3 IN/1 OUT
MIX
MIC 1 ON
SWITCH
MIC 1 LEVEL
MIC 2 LEVEL
MIC 2 ON
SWITCH
LIMITER
SIG PRESENT /
CLIP LED
TEST TONE
ON SWITCH
TEST TONE
GENERATOR
PHONES LEVEL
PHONES
OUTPUT
EXO-POD / GALLERY
OUTPUTS 1 - 2 ON FRONT
OUTPUTS 7 - 8 ON REAR
LOW
OUTPUT
SWITCH
GROUNDS ALWAYS LIFTED
LOW
OUTPUT
SWITCH
EXO-POD / GALLERY
OUTPUTS 3 -6 ON REAR
LOW
OUTPUT
SWITCH
BALANCED
LINE DRIVER
HEADPHONE
AMP
BALANCED
STEREO
OUTPUT
G/L
MAIN ON
SWITCH
MAIN OUT
LEVEL
MAIN OUT
LEVEL
CONTROL
BALANCED
LINE
DRIVER
LOW
OUTPUT
SWITCH
2 IN/1 OUT
MIX
2 IN/1 OUT
MIX
STEREO SOURCE
LEVEL CONTROL
STEREO SOURCE LEVEL
CW
STEREO SOURCE ON
SWITCH
HIGH PASS
FILTER
ACCUSTATE
MIC-PRE
WITH MIC
LEVEL CONTROL
GAIN
CW
48V PHANTOM
POWER ON/OFF
Female
Female
HPF2 ON
STEREO SOURCE
REAR PANEL
1/4” PHONO
INPUT
PHONO
INPUT
FRONT PANEL
1/8” PHONE
INPUT
STEREO SOURCE
FRONT PANEL
PHONO
INPUT
mPress Block Diagram
Audio Circuit Type: ...............................................................................Low Noise Active Buffer
Frequency Response: ..........................................................................20Hz to >20KHz (+0/-1.5dB)
Total Harmonic Distortion: ....................................................................<0.001% @ +4dB
Dynamic Range: ...................................................................................>112dB
MICROPHONE
Input Impedance: ..................................................................................7k Ω
Maximum Gain: ....................................................................................+51dB
Noise Floor: ..........................................................................................-94dBu
Low-cut Filter: .......................................................................................100Hz (12dB/Octave)
Limiter Threshold: .................................................................................-10dBu to +5dBu Output
Limiter Ratio: ........................................................................................>20:1
PROGRAM
Input Impedance: ..................................................................................22K Ω
Maximum Gain: ....................................................................................+19dB
MAIN OUTPUT
Equivalent Input Noise:.........................................................................-111dBu
Clip Level: .............................................................................................+24dBu / +17dBu
Output Impedance: ...............................................................................880 Ω
Intermodulation Distortion:....................................................................0.002%
GALLERY OUTPUT
Output Impedance: ...............................................................................115 Ohms
Noise Floor: (Program in to main out) ..................................................-80 / -92dBu
Phase Deviation: ..................................................................................±15°
Microphone Signal Present LED Threshold: ........................................-70dBu / -54dBu / -42dBu
Phase Deviation: ..................................................................................±15°
GENERAL
Power: ..................................................................................................±15V / +5V Custom Power Supply
Construction: ........................................................................................14 gauge steel chassis & outer shell
Finish: ...................................................................................................Durable powder coat
Size:......................................................................................................L:19” x W:7.25” H:1.75 (482.6mm x 184.15mm x 44.5mm)
Weight: .................................................................................................6.25lb
