Lexicon PCM91 Digital Reverb Processor

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    Lexicon PCM91 Digital Reverb Processor

    Digital reverberator offers highest quality reverbs in compact, affordable package with powerful interface which allows both easy access and 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-channels. One of the stunning advances in the digital reverberator is the ability to create incredibly realistic small spaces. For both music and film sound, it is often vital to have the ambience of a phone booth or very small drum room. In the digital reverberator you can create them with a reality never heard before from any processor other than a Lexicon.


    • World-class Lexicon reverb
    • Dual proprietary LexiChip®DSP engines
    • 24-bit A/D, D/A, and internal processing
    • 450 presets; 100 user programs
    • Lexicon's "Greatest Hits" reverb algorithms, including Chamber, Concert Hall, Random Ambience, Random Hall, Rich Plate, and Split Chamber
    • Keyword search for quick, intelligent sorting of presets by alphabetical order or application
    • Front panel Adjust knob automatically attaches to one or more parameters in each factory tailored preset
    • PCMCIA card slot for program storage
    • Pro and Go Modes: Go mode allows access to as many as 10 handpicked parameters for any particular preset; Pro Mode allows full access to an Edit matrix of as many as 100 parameters
    • Balanced analog inputs and outputs (XLR and 1/4")
    • S/PDIF and AES/EBU digital inputs and outputs
    • Tap Tempo for instant setting of delay and modulation times
    • Full MIDI control


    • Analog Audio Input: XLR and 1/4” balanced (T/R/S)
    • Input Level:
      • -2dBu to +20dBu, balanced;
      • -22dBu to 0dBu, unbalanced
    • Input Impedance:
      • 100kΩ, balanced;
      • 50kΩ, unbalanced
    • Analog Audio Output: XLR and 1/4” T/R/S balanced
    • Output Level:
      • +18dBm, balanced;
      • +4dBm, unbalanced
    • Output Impedance: 125Ω, balanced
    • Digital Audio Input:
      • XLR, AES/EBU;
      • Coaxial RCA, S/PDIF
    • Format:
      • AES/EBU, balanced;
      • S/PDIF, unbalanced
    • Sample Rate: 44.1kHz and 48kHz
    • Digital Audio Output:
      • XLR, balanced;
      • Coaxial RCA, unbalanced
    • Format:
      • AES/EBU, balanced;
      • 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 ±.5dB
    • Crosstalk:-55dB 10Hz to 20kHz
    • THD: <0.006%, 10Hz - 20kHz
    • Dynamic Range:
      • D/A: >98dB typical, 10Hz - 20kHz
      • A/D: >105dB typical, 10Hz- 20kHz
      • A/A: >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(100Ω- 10kΩimpedance)
    • 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(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(483 x 45 x 305 mm), rack mount standard
    • Weight: 6.4 lbs. (2.9 kg)
    • Operating Temperature: 32° to 104°F (0° to 40°C)
    • Maximum Humidity: 95% without condensation


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