====== Power Supply / Speaker Model 255 ======
{{255.jpg?150|}}

===== Description =====
Designed to match the OMNI Models 545 and 546 transceivers.  Deluxe power supply with metered output, high current, and built-in speaker. Integral overload current protection circuit is activated when more than 20 amperes are drawn from the supply.  The electronic circuit breaker is latching type, requiring manual reset.  Over-voltage protection is integral.  Primary power is switched from the front panel or remotely from the transceiver.

===== Mods & Tips =====
  *[[255vibration|Cure for Physical Hum]]

===== Specifications =====

  ***Input Voltage:** 105 - 125 VAC, 50-60 Hz
  ***Output Voltage:** 13.5 VDC +/- 0.5 V
  ***Regulation:** Better than 1% no load to full load @ 117 VAC
  ***Output Current:** Zero to 18 amperes, full load, 20 amperes maximum.
  ***Ripple:** Less than 60 mV p-p @ 18 A and 117 VAC
  ***Circuit Breaker:** Electronic latching.  Factory set at 20A.
  ***Over-voltage Protection:** Trips above 16V output.
  ***Panel Meter:** 0 - 25 amperes.
  ***Speaker:** 3" x 5" oval, 8 ohm, ceramic magnet.
  ***Output Connectors:** Attached 3' cable with  four pin AMP MATE-N-LOK connector for high current and remote on/off switching.  Two phono connectors for low current.  Attached 3' cable with 1/4" phone plug for speaker input.  Front panel PHONES jack.
  ***Finish:** Satin etched and extruded panel trim, dark painted front panel, dark textured top and bottom.
  ***Size:** HWD 5-7/8" x 8-1/4" x 12".
  ***Weight:** 16 lbs.