LINE AUDIO DESIGN

SPECIFICATIONS 2MP & 8MP Preamplifiers:
Power requirement:     15-18VAC 15-20VA, 50-60Hz
External 230VAC transformer included (can be excluded on special order)

Frequency response:    5Hz - 100 KHz +-0.5dB
Gain:                            60dB with balanced output. (with unbalanced output 54dB)
                                     The gain of the input stage has two fixed settings giving max 60dB or 40dB gain.
Harmonic distortion:    0.002% at -6dB below max level, at full gain of input stage
                                     0.005% at -3dB below max level, at full gain of input stage
Input noise level:       -128 dBU/dBm (100ohm termination, 20-20KHz B/W) -133 dBV (input shorted)
Highpass filter:            100Hz, 12dB/oct switchable. Other frequency on special request

Phantom power:          +48V through fed through 2 x 6.8 Kohm resistors
Phantom current:         10mA per channel, all channels loaded

Inputs:                     Electronically balanced
Input impedance:     >10Kohm
Input level:            max 3.2V RMS / 320 mVRMS (-20dBPAD / no PAD)

Outputs:                    Electronically balanced.
Output impedance:     300 ohm (150ohm+150ohm)
Output level:               max 15V RMS
Output DC offset:       max 1mV at 40dB gain, max 10mV at 60dBgain

XLR Polarity:             Pin 1 ground, pin2 positive, pin 3 negative.
For unbalanced output: use pin2 for signal and pin1 for signal ground (pin 3 ahould be left unconnected).

This product is designed and manufactured in Sweden.
Specifications may be subject to change without previous notice.

No Longer manufactured earlier version:
OMP/DMP SPECIFICATIONS:
Eight- / Dual Channel Microphone Preamps
(Made november 2005-June 2006, serial no 6001 an up)
Power requirement 15-18VAC DMP:7VA / OMP:15VA
External 230VAC transformer
Frequency resp. 10Hz - 100 KHz ± 0.5dB
Gain 60dB (Gain at max setting)
Mic inputs Electronically balanced
Input impedance >10Kohm
Input level max 3VRMS (300mV RMS with -20 disabled/out)
Outputs Electronically balanced
Output impedance 600 ohm (minimum recommended load 600ohm)
Output level max 15V RMS (electronically balanced)
Output DC offset max 1mV at 40dB gain, max 10mV at 60dBgain
Harmonic distortion: <0.005% at 0dBU with -20dB PAD enabled (0.005% @ -25dBU at full gain input stage)
Input noise: 128 dBm/dBu (100ohm termination 20KHz B/W)
Input noise: 133dBV (input shorted 20KHz B/W)
XLR Polarity Pin 1 ground, pin2 hot +, pin 3 cold -
No Longer manufactured version!

------------
No Longer manufactured earlier version:
made 2001 to november 2005 these had no serial no:
OMP/DMP SPECIFICATIONS
Eight- / Dual Channel Microphone Preamps
Power requirement 15-18VAC DMP:7VA / OMP:15VA
External 230VAC transformer included
Frequency resp. 15Hz - 100 KHz ± 0.5dB
Gain 60dB (Gain at max setting)
Mic inputs Electronically balanced
Input impedance >10Kohm
Input level max 1.8VRMS (180mV RMS with -20 disabled/out)
Outputs Electronically balanced
Output impedance 600 ohm (minimum recommended load 600ohm)
Output level max 15V RMS (electronically balanced)
Output DC offset max 1mV at 40dB gain, max 10mV at 60dBgain
Harmonic distortion: <0.005% at 0dBU with -20dB PAD enabled (0.005% @ -25dBU at full gain input stage)
Input noise: 128 dBm/dBu (100ohm termination 20KHz B/W)
Input noise: 133dBV (input shorted 20KHz B/W)
XLR Polarity Pin 1 ground, pin2 hot +, pin 3 cold -
Specifications may be subject to change without previous notice.
No Longer manufactured version!