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Advanced Flight Systems Avionics
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Sigtronics Avionics ST-440 - ST-640 Four and Six Place Stereo Intercoms
Sigtronics Avionics ST-440 - ST-640 Four and Six Place Stereo Intercoms
Alternative Views:
Auto Squelch System
The ST-440 / ST-640 models are full stereo versions of the SAS-440 / SAS-640 auto squelch intercoms and include the remote music switcher ( RMS ) unit.
Pilot Isolate
Pilot isolate allows your passengers to listen to music or converse with each other while you talk to ATC without interruption. Even if the intercom is off, our fail safe feature allows the pilot to always hear and transmit on the radio.
Music Inputs
The ST-440 and ST-640 accept input from a CD player, AM / FM stereo receiver or MP3. Music is muted when the VHF / Comm is transmitting or receiving, or when speaking on the intercom. Passengers can also be put on uninterrupted music if they desire.
Push-Button Auto Squelch.
Pilot fail safe feature allows pilot to always hear radios.
Use Satellite Radio, MP3 or CD players as audio source.
Installation hardware included, including jack kit and pre-wired harness.
WARRANTY: Five years parts and labor.
Product Code:
SIGTRONICS-AVIONICS-ST-440-640
Models
ST-440 [$418.00]
ST-640 [$461.00]
Qty:
Features
Technical Specs
Information
Features
ST-440
ST-640
Headset Positions:
4
6
High Noise:
No
No
Stereo:
Yes
Yes
Size SAS Unit:
6" x 2.5" x 1"
6" x 2.5" x 1"
Size RMS Unit:
4" x 2.9" x 2"
4" x 2.9" x 2"
Weight SAS Unit:
6.4 oz.
6.4 oz.
Weight RMS Unit:
7.5 oz.
7.5 oz.
Weight Jacks/Harness:
5.5 oz.
5.5 oz.
Warranty:
5 Years
5 Years
Price:
$418.00
$461.00
ST-440 / ST-640 PDF Instructions
Installation Instructions
Model:
ST-440 / ST-640
Panel Mount Intercom with AutoSquelch, Pilot Isolate, and Remote Stereo Music Switcher, 4 and 6 Place.
Operating Instructions
Model:
ST-440 / ST-640
Panel Mount Intercom with AutoSquelch, Pilot Isolate, and Remote Stereo Music Switcher, 4 and 6 Place.
Figure 4 Installation Drawing Modification
Models:
ST-440
and
ST-640
(Diode Mod.)
Figure 4 installation drawing modification for Non Audio Panel, Single Radio installations.
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