DESCRIPTION
The 442 AC Amplifier provides a gain of 20 dB (x10) or 40 dB (x100), ±0.2 dB at 1 kHz and a frequency response of ±0.5 dB, 10 Hz to 1 MHz, down 3 dB or less at 5 Hz and 2 MHz. •Output Voltage: 1.5 V rms across 1500 ohms; typically 3 V rms across 1 M? •Output Current: 1 mA maximum •Noise: <75 µV rms referred to input, 100 kohms source •Impedance: >1 Mohms, <25 pF shunt (Input); 50 ohms in series with 100 µF (Output) •Distortion: <.5% (10 Hz to 100 kHz), <1% to 1 MHz •Line/Battery switch, line input 115/230 V, 50 to 400 Hz

Refurbished

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