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kr20a [2007/04/12 13:55]
n5na
kr20a [2007/05/20 19:44] (current)
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 ====== Single Paddle Keyer Model KR20A ====== ====== Single Paddle Keyer Model KR20A ======
 {{kr20a.jpg?​150|}}{{kr20arear.jpg?​150|}} {{kr20a.jpg?​150|}}{{kr20arear.jpg?​150|}}
 +
 +===== Description =====
 +
 +Paddle actuation force is factory adjusted for rhythmic smooth keying. ​ Contact adjustments on front. ​ Weighting factor factory set for optimum smoothness and articulation. ​ Over-ride "​straight key" conviently located for emphasis, QRS sending or tune-up. ​ Reed relay output. ​ Side-tone generator with adjustable level. ​ Self-completing characters. ​ Plug-in circuit board. ​ For 117 VAC, 50-60 Hz or 6-14 VDC.  Finished in etched aluminum panel and black textured top and sides.
 +
 +===== Specifications =====
 +
 +  ***Keyed Output:** Reed Relay: 15 volt-amp contacts, 400 volts, max.
 +  ***Speed Range:** 6 to 50 WPM.
 +  ***Time Base:** Keyed to start with paddle actuation.
 +  ***Character Generation:​** Self-completing dits and dahs.
 +  ***Weighting:​** Dit length increased approximately 10% @ 20 WPM. (Can be changed internally.)
 +  ***Sidetone:​** Sawtooth waveform. ​ App. 1 volt peak-to-peak,​ open circuit, max.  Frequency app. 500 Hz, internally changeable. ​ Output impedance 15 ohms.
 +  ***Power:** 105 - 125 VAC, 50 - 60 Hz or 6 to 14 VDC @ 125 - 190 ma.
 +  ***Semiconductors:​** 1 Integrated Circuit, 9 Transistors,​ 13 Diodes.
 +  ***Size:** HWD, 2.5" x 4" x 6"
 +  ***Weight:​** 2.5 lb.
 +

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