Bell & Howell - Projector - Filmosound 641 - 642 ... - Cine Information
Bell & Howell - Projector - Filmosound 641 - 642 ... - Cine Information
Bell & Howell - Projector - Filmosound 641 - 642 ... - Cine Information
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into it. This internal speaker is auto- Power Output<br />
matically disconnected when an external<br />
speaker is plugged into the output sockets. 15 watts (Speech and Music)<br />
14 watt8 (Continuous Sine Wave)<br />
Controls Signal - Noise Ratio (Unweighted)<br />
Better than 65dB<br />
The photocell and microphone stages<br />
areprovided with separate volume controls. Frequency Response<br />
The Twin Tone controls provide means ———————————<br />
of lifting or cutting bass and treble (Dependent on Tone Control Setting),<br />
independently.<br />
Mic. 50 - 10 Kc/s<br />
General <strong>Information</strong> Optical 5 0 - 7 Kc/s<br />
Sensitivity<br />
Mic. Socket Min. 8mV Max. 200mV.<br />
Mic. Socket Input Impedance - High.<br />
47<br />
Output Impedance to match 8 ohms or<br />
16 ohms.
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