LVC-25 - 25W Volume Control on UK single-gang plate
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LVC-25 - 25W Volume Control on UK single-gang plate
LVC-25 - 25W Volume Control on UK single-gang plate
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Communication Technology - LVC-25

25W Volume Control on UK single-gang plate

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Product Description

A range of 50/70/100v line remote volume controls for loads of 25, 100 and 300W with provision for local volume restoration for paging announcements by built-in 24v relay override.

Each control has been designed to provide excellent frequency
response with minimum quiescent power loss, using uniquely wound auto-transformers for maximum efficiency.

Both controls are suitable for low frequency and DC line surveillance monitoring systems, normally associated with Voice Alarm facilities and are site adjusted.

  • A rugged, stepped, user control
  • Collet fixed knobs
  • Permanent push-on wiring connectors conveniently at one end of the PC board
  • Easily adjustable, colour coded, on-board header receptacles for option selection (300W excluded, use terminal selection)
  • Detailed diagrammatic instructions make preparation and installation easy
  • Also suitable, by on-board option selection, for three wire amplifier sourced paging override systems, TRI-WIRE
  • LVC25 volume controls are fitted to ivory ABS UK switchplates
  • Various metal front panel options are available at extra cost
Description LVC-25
Rated Input 25W, 100v
Maximum Load 30W
Maximum Input Voltage 100v, RMS 140v Peak (intended for use on 50, 70, 100v line distribution systems)
Minimum Nominal Input Voltage 50v
Control Attenuation 60dB, in 12 steps, including Off
Paging Attenuation 12dB, in 4 steps (relay override function only)
Operating Frequency Range 150Hz ~ 15KHz
Override Relay: Consumption 400mW
Termination Push-on screw terminations, fixing to PCB header pins. max cable size 2.5mm², stripping length 6mm
Finish Ivory plate with grey rotary switch
Dimensions 87(W) x 87(H) x 38(D) mm
Weight (Net) 0.20kg
Weight (Gross) 0.25kg
  • UVDB Registered
  • PLASA Member
  • Member of BESA
  • BSI 9001
  • ISCE supporting member