Lexicon MPX 100 User Manual

Rear Panel Connections
4
MIDI
Two 5-pin DIN MIDI connectors
are provided for MIDI IN and soft-
ware selectable MIDI OUT/THRU.
POWER
Use Lexicon 9VAC power pack.
OUPUT
Single-ended (unbalanced) stereo outputs provide +8dBu
typical output level. Use the right output connector for mono
output. If no connection is made at the right output, the left
output can be used to drive headphones at modest volume.
FOOTSWITCH
1/4" TRS connector, for momentary con-
tact footswitch, allows footswitch control
of front panel Tap and Bypass functions.
INPUT
Single-ended (unbalanced) inputs accept levels
as low as -30dBu. Input impedance is 500 kΩ. Use
the right input for mono sources. Can be used as
direct input for guitar.
DIGITAL OUTPUT
RCA S/PDIF connector.

Lexicon MPX 100 Specifications

Audio Inputs and Outputs

audio input level	-30dBu to +4dBu
audio input impedance	500K unbalanced
audio output level	+8dBu typical
audio output impedance	75Ω for Headphone output

Digital Audio

digital audio output	20-bit Digital S/PDIF
sample rate	44.1kHz
conversion	20 bits A/D, 20 bits D/A

Frequency and Distortion

frequency response	20Hz-20kHz, ±1dB
thd+n	<0.05%, 20Hz-20kHz
dynamic range A/A	>95dB typical, 20Hz-20kHz, unweighted
dynamic range A/D	>100dB typical, 20Hz-20kHz, unweighted
crosstalk	45dB

Power and Environment

power requirements	9VAC wall transformer
operating temperature	32° to 104°F (0° to 40°C)
relative humidity	95% non-condensing

Weight and Dimensions

dimensions	19"W x 1.75"H x 4"D (483 x 45 x 102mm)
weight	2 lbs, 2 oz (0.959kg)
internal audio data path	DSP: 24-bit