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| + | ====== CW Filter Model 208A ====== | ||
| + | {{208a.jpg?150|}} | ||
| + | ===== 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]]. | ||
