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Norsonic - Model Nor1203 -Half-Inch Preamplifier
FromNorsonic AS
This 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.
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- 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
- Dimensions:
- Length: 77.5mm
- Diameter: 12.7mm
- Weight: 33g
- CE classification, EMC: EN 50081-1, EN 50082-1
- CE classification, safety: EN 61010-1, 1993 portable equipment pollution category 2 Hz to 1MHz ±0.5dB