GRAS 26CI 1/2” CCP Preamplifier with BNC Connector, Low Frequency

Typical applications and use

CCP inputs

Prepolarized microphones

1/2″ precision microphones

High levels and high frequencies

Design

The GRAS 1/2″ Preamplifier GRAS 26CI is a small, robust unit and uses a GRAS CCP power supply, e.g. GRAS 12AL. It has a very low inherent noise level, a large dynamic range and a frequency response from 1 Hz to above 200 kHz.

Its small ceramic thick-film substrate has a very high input impedance, and is shielded by a guard ring to minimise the influence of stray capacitance and microphonic interference.

The GRAS 26CI is provided with a built-in TEDS* chip, and can be programmed as a single unit with a microphone fitted. It is primarily intended for the low frequency microphone 46AZ but can be used with all GRAS 1/2″ prepolarized microphones and with adapters with other microphone sizes.

It has an integrated BNC output connector. The casing is made of stainless steel for maximum strength and durability.

* Transducer Electronic Data Sheet – as proposed by IEEE-P1451.4

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