1521-B: Difference between revisions
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The {{Title|General Radio 1521-B Graphic Level Recorder}} was introduced in {{Catalog S}} and remained available through {{Catalog 1978}}. | The {{Title|General Radio 1521-B Graphic Level Recorder}} was introduced in {{Catalog S}} and remained available through {{Catalog 1978}}. | ||
Description Pending. | |||
==Specifications== | ==Specifications== | ||
Revision as of 18:23, 10 June 2024
The General Radio 1521-B Graphic Level Recorder was introduced in Catalog S (1965) and remained available through Catalog 1978.
Description Pending.
Specifications
- Recording Range: 40 dB full scale with standard potemtiometer
- Frequency Range: 7 Hz to 200 kHz
- Maximum Input Voltage: 100 V ac
- Input Attenuator: 60 dB in 10-dB steps
- Input Impedance: 10,000 Ω for ac level recording; 1000 Ω for dc
