The Lexicon PCM91 is a professional-grade multi-effects processor that combines both analog and digital technologies to produce high-quality reverb effects. With two channels, this rack-mounted unit is designed for use in professional audio settings and is ideal for musicians, sound engineers, and recording studios. The Lexicon PCM91 is a versatile and powerful tool that can enhance any audio signal with its rich and complex reverb effects.


Analog Audio Input    XLR and 1/4" balanced (T/R/S)
Input Level    -2dBu to +20dBu, balanced;<br>-22dBu to 0dBu, unbalanced
Input Impedance    100k&Omega;, balanced;50k&Omega;, unbalanced
Analog Audio Output    XLR and 1/4"T/R/S balanced
Output Level    +18dBm, balanced;+4dBm, unbalanced
Output Impedance    125&Omega;, balanced
Digital Audio Input    XLR, AES/EBU;<br>Coaxial RCA, S/PDIF
Format    AES/EBU, balanced;<br>S/PDIF, unbalanced
Sample Rate    44.1kHz and 48kHz
Digital Audio Output    XLR, AES/EBU;<br>Coaxial RCA, S/PDIF
Format    AES/EBU, balanced;<br>S/PDIF, unbalanced
Sample Rate    44.1kHz and 48kHz
Conversion    24-bit A/D;24-bit D/A
Internal Audio DSP    24-bit (PCM 81);20-bit (PCM 91)
Frequency Response    10Hz - 20kHz &plusmn;.5dB
Crosstalk    -55dB 10Hz to 20kHz
THD    &lt;0.006%, 10Hz - 20kHz
Dynamic Range    D/A:&gt;98dB typical, 10Hz - 20kHz<br>A/D:&gt;105dB typical, 10Hz- 20kHz<br>A/A:&gt;96dB typical, 10Hz - 20kHz
MIDI Interface    5-pin DIN connectors for MIDI IN, THRU and OUT
Footswitch    1/4"T/R/S connector for two independent momentary footswitches (system detects normal-open, or normal-closed on power up)
Foot Controller    1/4"T/R/S connector for foot pedal(100&Omega;- 10k&Omega;impedance)
Memory Card
Connector    PCMCIA type l cards, 68 pins
Standards    PCMCIA 2.0 and JEIDA 4.0
Card Format    Up to 1MB of SRAM (attribute memory not required)
Power Requirements    100 - 240 volts AC;50 - 60Hz;35 watts<br>Automatic switching (3-pin IEC connector)
Remote Power In    2.5 mm 9 volts AC (not included)
Dimensions    19" W x 1.75" H (1U) x 12" D<br>(483 x 45 x 305 mm), rack mount standard
Weight    6.4 lbs.(2.9 kg)
Operating Temperature    32&deg;to 104&deg;F (0&deg;to 40&deg;C)
Maximum Humidity    95% without condensation