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, new Dual Reverb algorithms, and new presets with dynamic spatialization effects for 2-channel or surround applications. All of the Dual Reverb algorithms and presets (available for the PCM 90 on a PC card) are built into the PCM 91.
450 presets provide sounds for real-world applications
Technical Info
Connectors: Combined 3-pole XLR and 1/4 in.
T/R/S phone jacks (2)
Impedance:
0dB/BAL switch position: 100k, balanced
20dB/UNBAL switch position:50km unbalanced
A/D Performance
THD: <0.003%, 10Hz to 20 kHz
Dynamic Range: >105 dB
Conversion: 24 bits, 128x oversampling
Levels:
0dB/BAL switch position: 2dBu min full scale, +20dBu max
20dB/UNBAL switch position: 22dBu min full scale, 0dBu max
Audio Output
Connectors: 1/4 in. T/R/S phone jacks (2); balanced
XLR connectors (2)
Impedance: 125, each side, balanced
D/A Performance
THD: <0.005%, 10Hz to 20 kHz
Dynamic Range: >98 dB
Conversion: 20 bits, 128x oversampling
Levels: +18dBm max, full scale
(+4dBu
setting)+4dBm max, full scale
(10dBu setting)
Muting: Relays provided for output muting
during power on/off
Analog Audio
InterfaceFrequency Response: 10Hz to 20kHz +/-0.5dB
Crosstalk: 55dB max, 10Hz to 20kHz
S/N Ratio: 90dB min, 20kHz bandwidth
THD: <0.006% max, 10Hz to 20kHz
Dynamic Range: >96 dB
Sample Rates: 44.1kHz, 48kHz
InterfaceConnectors: Coaxial, RCA Type (2); Balanced,
XLR (2)
Format: S/PDIF (IEC-958) consumer and
AES/EBU (AES3-1995) professional
interface
Sample Rates: 44.1kHz, 48kHz
Conversion Data Path: 20 bits
DSP Data Path: 20/24 bits
Audio Memory
ConfigurationBase Memory: Two 256KB x 18 DRAMs (PCM 81)
Two 256KB x 20 DRAMs (PCM 91)
External Memory
CardConnector:Accepts PCMCIA Type 1 cards,
Standards: PCMCIA 2.0/JEIDA 4.0
Card Format: Supports up to 1MB SRAM
Control Interface
MIDI: 5-Pin DIN for MIDI IN, OUT, THRU
Footswitch: 1/4 in. T/R/S phone jack for 2 independent
momentary footswitches
Footpedal: 1/4 in. T/R/S jack (Z=10k* - 100k*)
General
Dimensions:(WxHxD) 19.0 x 1.75 x 12.0 in.
19 in. rackmount standard, 1U high
Weight: Net 6.4 lbs
Power Requirements: 100-240vac, 50-60 Hz, 35 W, 3-pin
IEC power connector
RFI/ESD: Conforms to FCC class B
EN55022 Class B (CE), IEC 801-2,
IEC 801-3
Environment:
Operating Temperature: 32
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