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208a [2007/05/21 00:41] (current)
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 +====== CW Filter Model 208A ======
 +===== Description =====
 +Audio filter centered at 750 Hz.  Selectable bandwidth of 450, 300, or 150 Hz. Also includes variable notch filter ranging from 200 Hz to 3.5 KHz with a depth to 50 dB or more.  For use with Argonaut Model [[515]]. ​

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