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262m [2007/02/14 15:59] n5na created |
262m [2007/04/12 18:53] n5na |
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===== Description ===== | ===== Description ===== | ||
For use with Models [[540]] and [[544]]. Fully voltage regulated to provide highly stable, pure DC (225 watts) from 117 VAC. Panel DC ammeter. Instantaneous overload protection circuit prevents damage caused by excessive current drain; reset by momentary turn-off. Includes a complete VOX system. VOX controls are located on front panel. Low frequency components invoice below cut-off frequency of speaker actuate T/R function. | For use with Models [[540]] and [[544]]. Fully voltage regulated to provide highly stable, pure DC (225 watts) from 117 VAC. Panel DC ammeter. Instantaneous overload protection circuit prevents damage caused by excessive current drain; reset by momentary turn-off. Includes a complete VOX system. VOX controls are located on front panel. Low frequency components invoice below cut-off frequency of speaker actuate T/R function. | ||
+ | |||
+ | ===== Specifications ===== | ||
+ | ***Input:** 117 VAC, 50-60 Hz | ||
+ | ***Output Voltage:** 13 VDC +/- 0.5 V | ||
+ | ***Regulation:** Better than 1% NL to FL @ 117 VAC | ||
+ | ***Output Current:** Zero to 18 A, built-in ammeter | ||
+ | ***Ripple:** Less than 60 mV p-p @ 18 A and 117 VAC | ||
+ | ***Circuit Protection:** Breaker trips at 20 A (manual reset) | ||
+ | ***Semiconductors:** 4 transistors, 1 SCR, 7 diodes | ||
+ | ***Size:** HWD 4.5" x 8" x 13" | ||
+ | ***Weight:** 16 lbs | ||
+ | |||
+ | ===== VOX Specifications ===== | ||
+ | ***Mic Input Impedance:** 2 Megohms, min. for crystal, ceramic, or hi-Z dynamic microphones | ||
+ | ***Gain:** Unity | ||
+ | ***Max. Mic. Level:** 250 mV, rms | ||
+ | ***VOX Sensitivity:** Less than 1 mV @ 200 Hz trips T/R | ||
+ | ***Delay:** Adjustable from 0.1 to 1 sec. | ||
+ | ***Semiconductors:** 1 IC, 10 transistors, 3 diodes |