The General Radio 1232A Tuned Amplifier and Null Detector is a battery operated, solid-state amplifier which excels in common applications and fits many unusual requirements with its combined high sensitivity, low noise, choice of narrow or broad bandwidth, high gain, and portability.
- Frequency Response: Tunable Filters - 20Hz to 20kHz in three ranges; 50kHz and 100 kHz Filters
- Sensitivity: 0.1 V
- Bandwidth: Approximately 5%
- Gain: 120 dB