AMS43 Single-Channel Audio Controller | TSO

CANYON AEROCONNECT

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EDMO # AMS43TSO

MFR Part # AMS43 TSO

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Product Description

The AMS43TSO single-channel audio controller provides pilots the ability to control the audio sources within an aircraft. Pilots can select audio from transmit (TX) and receive (RX), LIVE, KEYED, or voice activated (VOX) intercom, in addition, handheld microphone transmission and pilot isolation/emergency operations are also provided.

Features

This AMS43 single-channel audio controller (EDMO# AMS43TSO) is TSO certified.
Features:
Audio Controller provides transmit and intercom capabilities for pilot and co-pilot, plus intercom for four up to passengers
Panel controls include master RX volume, ICS volume, and ICS squelch (VOX adjust)
ICS Tie line provided to allow multiple controllers to be networked
Select between COM1, COM2, AUX, FM1, FM2, PA, NAV1/2, ADF1/2, DME/MKR inputs
Transmit capability for five COM channels with auto-receive functions
Receivers select switches allow for first four COM channels
High headphone output provides up to 500mW per channel
Intercom supports two crew and and passenger stations
Active Noise Filtering (ANF) intercom system
Voice activated (VOX) squelch
Two direct inputs are provided to accommodate functions such as Rad Alt, GPS Alerts, Low
Rotor, or Telephone Ringer
Front panel selectable emergency mode switches the pilot's headphones directly to selected radio
Three internal alert tone generators: single-tone, two-tone, and timed siren

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Specifications

Weight:

2.1 lb (955 g)
Dimensions:

1.9 x 6.82 x 5 in (48.3 x 173.2 x 125 mm)
Mounting:

Dzus rail
Faceplate:

Engraved acrylic edge lit panel
Material/Finish:

Chassis & cover are 5052-H32 brushed aluminum with conversion coating finish
Connectors:

Male 50 pin & 37 pin D-sub connectors with slide locks
Temperature:

-20°C to 55°C, operating -55°C to 85°C, survival
Altitude:

25,000 ft
Input Power:

27.5 VDC @ 0.5 A, nominal
Lighting Voltage:

27.5 VDC @ 150 mA, nominal
Alert Power:

27.5 VDC 150 mA, nominal
INPUT SIGNALS:
Quantity:

13 receive channels 7 Mic channels 1 ICS tie channel 2 direct channels
Audio Level:

2.5 Vrms (receiver inputs) 0.25 Vrms (mic inputs) 0.34 Vrms (ICS tie input) 2.5 Vrms (direct audio inputs)
Impedance:

1KΩ ±10% (receive inputs) 1KΩ ±10% (mic inputs) 1.8KΩ ±10% (ICS tie input) 1.3KΩ ±10% (Direct Audio 1 input) 100Ω ±10% (Direct Audio 2 input)
Circuit Type:

All single ended inputs
Coupling

: < -50dB
Keylines:

Pilot & Copilot Transmit PTT Rear Hand mic Transmit PTT Pilot & Copilot ICS PTT 3 Alerts - active low
OUTPUT SIGNALS:
Quantity:

6 Headset outputs 6 Transmitter mic outputs 5 Transmitter keyline outputs
Rated Level:

Headset: 7.7 Vrms or 100 mW (20 dBm) into 600Ω Direct Audio 1: 10 mW (10 dBm) into 600Ω Direct Audio 2: 0.1 mW (-10 dBm) 0.25 Vrms into 600Ω Alert level: 90mV rms ±10% into 600Ω
Impedance:

65Ω, maximum
Circuitry Type:

Single-ended, except for phones, which are balanced
Frequency Response:

Sidetone: <3 dB from 650 Hz to 1750 Hz Receive inputs: <3 dB from 500 Hz to 2200 Hz Intercom: < 3 dB from 550 Hz to 2400 Hz Alert 1: 1.5kHz + 20% Alert 2: Same tone as Alert #1 but swept @ 2 cycles/sec Alert 3: Approx. same as Alert 2 but on for 2 sec
Distortion:

< 10% THD @ rated power output
Audio Noise Level:

< -50 dB
Coupling:

< -50 dB
Output Regulation:

< 10% distortion and <3 dB max. of rated load output power at 400% and 75% of rated load
Annunciators:

Green LED will light for transmit operation