Nor1203 ½ inch insert voltage preamplifier

Nor1203 ½ inch insert voltage preamplifier

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Part Number:Nor1203
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half-inch 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. It is delivered with an integral LEMO style connector.


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: ♥µV
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
Dimensions: Length: 77.5mm
Diameter: 12.7mm
Weight: 33g
CE classification, EMC: EN50081-1, EN50082-1
CE classification, safety: EN61010-1, 1993 portable equipment pollution category 2 Hz to 1MHz ±0.5dB

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