1/2″ Insert voltage preamplifier Norsonic Nor1203

Name: 1/2″ Insert voltage preamplifier Norsonic Nor1203
Brand: Norsonic
SKU: Nor1203
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Specification

Data is being updated

Description product
Accessories

Mirophone/preamplifiers Nor1203

Nor1203 1/2″ insert voltage 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.

The key components that determines the accuracy of a sound level meter is the measurement microphone and its associated preamplifier. The effectiveness of these components in converting the acoustic signal into an electrical analogue set the maximum accuracy that can be achieved by the ensuing signal processing. Norsonic have a carefully balanced range of measurement microphones to suite a range of applications that complement modern instrumentation yet maintain traditional values.

We offer a broad range of 1/2″ and 1/4″ microphone preamplifiers.

Broad frequency response
Low noise
High input impedance
Low output impedance for driving long microphones cable without any loss in performance.
High dynamic range

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

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