Baron 58 Cockpit Simulator

KMA28 Audio panel

Panel Finalized

Design as made with Frontpanel designer

Assembled PCB and components

Connection diagram

The KMA boasts an impressive feature set:

	Split-COM: allows the pilot to use the #1 radio to talk with air traffic control while the co-pilot uses the #2 radio to check on weather or arrange for a rental car
	Dual entertainment inputs let your passengers listen to something other than what you want to hear, and, when installed with a PA speaker, its public address capability gives you their undivided attention
	Swap mode: remote frequency management
	Background music with automatic muting when a signal is received on the COM
	Ability to interface with an approved airborne telephone
	Emergency mode circuitry that allows COM 1 to operate through the pilot's headphone/microphone if the power fails
	IntelliVox® automatic squelch control, with separate voice-activated squelch circuits for each microphone input to eliminate intercom squelch adjusting
	Convenience of 6 intercom stations
	Stereo entertainment outputs
	Self-contained marker beacon

Specifications

TSO Compliance:

Marker Beacon Receiver: TSO C35d

Audio Amplifier: TSO C50c

Environmental Categories: A1D1/CA(MN)XXXXXXBBBBTBKXX

Physical Dimensions:

Length behind panel: 6.8 in (17.30 cm)

Width: 6.25 in (15.88 cm)

Height: 1.3 in (3.30 cm)

Weight: 1.5 lb. (0.54 Kg)

Temperature Range: -15°C to +55°C continuous

Altitude Range: +50,000 ft. (unpressurized)

Intercom: 6-Place

Entertainment: 2 inputs (Stereo)

Transceivers: 4 (COM 1, COM 2, COM 3, approved airborne telephone)

Receiver Inputs: 5 (NAV 1, NAV 2, ADF, DME, AUX)

Transmit Selections: 6 (COM 1, COM 2, COM 3, COM 1/2, COM 2/1, TEL)

Marker Beacon:

Frequency: 75 MHz

Sensitivity: LO 1,000μv Hard

HI 200μv Hard

Selectivity: 6 db at ±10 kHz

40 db at ±120 kHz

Audio Frequency Response: ±3 dB, 300 Hz–6 kHz

Entertainment Frequency Response: ±3 dB, 100 Hz–18 kHz

Speaker Output: 3 W into 4Ω @ 13.8 V, 10 W into 4Ω @ 28.5 V

Headset Output: 38 mW into impedance of 150Ω, <1% THD,

70 mW into impedance of 150Ω, <10% THD

Power Requirements: 11-33 VDC, 2.5A max

Power Consumption: 600mA (typical with speaker on, 28v)

350mA (typical with speaker off, 28v)

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