The PCM 91 offers Lexicon’s highest quality reverbs in a compact, affordable package with a powerful interface which allows both easy access and a wealth of programming capabilities for the sound designer. All of the features of the acclaimed PCM 90 are included, plus full AES/EBU I/O, Dual Reverb algorithms, and presets with dynamic spatialization effects for 2-channel or surround applications (available for the PCM 90 on a PC card).

One of the stunning advances in the PCM 91 is the ability to create incredibly realistic small spaces. For both music and film sound, it is often vital to have the ambiences of a phone booth or very small drum room. In the PCM 91 you can create them with a reality never heard before from any processor other than a Lexicon.


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)

Lexicon PCM-91 Reverb


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