1/4″ insert voltage preamplifier Norsonic Nor1205

Name: 1/4″ insert voltage preamplifier Norsonic Nor1205
Brand: Norsonic
SKU: Nor1205
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Specification

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Description product
Accessories

Mirophone/preamplifiers Nor1205

Nor1205 ¼″ insert voltage microphone preamplifier with insert voltage calibration and LEMO connector. This preamplifier is designed for calibration purposes using the insert voltage technique.

The insert voltage technique is used for determine the open circuit voltage of a microphone cartridge.

Specifications

Frequency range: 2Hz to 200kHz ±0.2dB

Input impedance: 20 Gohms, 0.2pF
Output impedance: 55 ohms @ 1kHz, CS: 20pF
Noise, A-weighted, CS 20pF: <3µV
Noise linear, CS 20pF: <6µV
Gain, typical: -0.15dB
Temperature, operation: -40 to +60°C
Temperature, storage: -40 to +85°C
Humidity, operation and storage: 0 to 95% RH
Current consumption (120V or ±60V): 2.5 mA
Current consumption (28V or ±15V): 0.7 mA