New chime/tone warning amplifier released by Alto Aviation

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A new chime/tone warning amplifier is available from Alto Aviation. The Alto M1285R is a direct-fit, pin-compatible chime amplifier replacement for the Baker M1285 chime/tone warning system, with identical main connector and pinout and an identical mounting footprint.

The unit has 12 tones, which can be triggered by high or low opto-isolated discrete logic inputs. The amplifier has an audio power amplifier output supporting loudspeaker loads down to 4ohms and up to 30W. The amplifier has two line outputs capable of providing 40mW into 600ohms.

The unit is fully configurable via a custom software interface for adjustable custom tone and volume settings. Alto notes the unit is certified to TSO-C-139a, and the software is certified to DO-178B Level D. It carries a five-year guarantee and is available for all aircraft platforms.

July 6, 2016

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Izzy has been part of the Business Jet Interiors International team since its second issue, and the editor since 2011. She also edits Auditoria, Railway Interiors International and Winter Sports Technology International. Outside of work, Izzy is rediscovering her love of art by learning how to paint with watercolors.

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