Lexicon PCM80

• Connectors : Combined 3 pole XLR and 1/4 inch T/R/S phone jacks (2)

• Impedance : 0 dB/BAL switch position : 100kW, balanced /

   

  • -20 dB/UNBAL switch position : 50kW, unbalanced

   

• A/D Dynamic

• Range : 100 dB 1 kHz, signal present, unweighted

• Levels : 0 dB/BAL switch position : -2 dBu min for full scale, +20 dBu max /-

  • 20 dB/UNBAL switch position : -22 dBu min for full scale, 0 dBu max

   

• CMRR : 0 dB/BAL switch position : 40 dB minimum, 10 Hz to 20 kHz

Audio Output

• Connectors : 1/4 inch T/R/S phone jacks (2); balanced XLRs, pin 2 "high" (2)

• Impedance : 125W, each side, balanced

• D/A Dynamic

• Range : 95 dB 1 kHz, signal present, unweighted

• Levels : +18 dBm max, full scale (+4 dBu setting) balanced, unbalanced /

   

  • +4 dBm max, full scale (-10 dBu setting)

   

• Protection : Relays provided for output muting during power on/off

A/D Performance

• Frequency 

  Response : 10 Hz to 20 kHz, ±0.5 dB

   

• Crosstalk : -65 dB max, 10 Hz to 20 kHz

• S/N Ratio : 100 dB min, 20 kHz bandwidth

• THD : 0.004% max, 10 Hz to 20 kHz

• Dynamic 

  Range : >100 dB, 20 kHz bandwidth

   

• Delay : 24 samples (0.54 msec for 44.1 kHz, 0.50 msec for 48 kHz)

D/A Performance

• Frequency 

  Response : 10 Hz to 20 kHz, ±0.5 dB

   

• Crosstalk : -80 dB max, 10 Hz to 20 kHz

• S/N Ratio : 100 dB min, 20 kHz bandwidth

• THD : 0.006% max, 10 Hz to 20 kHz

• Dynamic 

  Range : >95 dB, 20 kHz bandwidth

   

• Delay : 50 samples (1.13 msec for 44.1 kHz, 1.04 msec for 48 kHz)

A/A Performance

• Frequency 

  Response : 10 Hz to 20 kHz, ±0.5 dB

   

• Crosstalk : -55 dB max, 10 Hz to 20 kHz

• S/N Ratio : 90 dB min, 20 kHz bandwidth

• THD : 0.008% max, 10 Hz to 20 kHz

• Dynamic 

  Range : >94 dB, 20 kHz bandwidth, >92 dB per AES-17 section 7.3

   

Digital Audio Interface

• Connectors : Coaxial, RCA type

• Format : conforms to S/PDIF IEC-958 consumer standards

• Sample Rates : 44.1 kHz, 48 kHz

Internal Audio Data Paths

• Conversion : 18 bits

• DSP : 18 to 24 bits

Audio Memory Configuration

• Base memory : Two 256k x 18 DRAMs

• User 

  Expansion : Two SIMM sockets provided for either 1 Meg x 9, 

  4 Meg x 9 or 16 Meg x 9, 70 nsec DRAM modules

   

External Memory Card

• Connector : Accepts PCMCIA Type I cards, 68 pins

• Standards : Conforms to PCMCIA 2.0 / JEIDA 4.0

• Card Format : Supports up to 1MB SRAM (attribute memory not required)

Control Interface

• MIDI : 5-pin DIN connectors provided for MIDI IN, THRU, & OUT

• Footswitch : 1/4 inch T/R/S phone jack provided for 

  2 independent momentary footswitches 

  System detects normal-open, or normal-closed on power up

   

• Foot controller : 1/4 inch T/R/S phone jack provided for footpedal 

  (100W minimum, 10kW maximum impedance)

   

General

• Power 

  Requirements : 100-240 VAC, 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° to 104°F (0° to 40°C)

• Storage temperature : -22° to 167°F (-30° to 70°C)

• Humidity : maximum 95% without condensation