Technology
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