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Sigtronics Aviation Intercom Technical Information

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INSTALLATION AND OPERATING INSTRUCTIONS
Listed Alphabetically by Model Number

RES
RES Installation and Operating Instructions
Model: RES (Out of Production)
Remote Stereo Music Switcher for Single Seat Aircraft or Non-Sigtronics Intercoms.
Top of Page
RES-2
RES-2 Installation and Operating Instructions
Model: RES-2
Remote Stereo Music Switcher for Single Seat Aircraft or Non-Sigtronics Intercoms.
Top of Page
RES-400
RES-400 Installation and Operating Instructions
Model: RES-400 (Out of Production)
Remote Stereo Music Switcher for SPA-400 Intercoms.
Top of Page
RES-401 / RES-601
RES-401
Installation Instructions
Models: RES-401 and RES-601
Remote Stereo Music Switcher for SPA-400 / SPA-600 Intercoms.
Operating Instructions
Models: RES-401 and RES-601
Remote Stereo Music Switcher for SPA-400 / SPA-600 Intercoms.
Top of Page
RMS-440 / RMS-640
RMS-440 Installation Instructions
Models: RMS-440 and RMS-640 (Out of Production)
Remote Stereo Music Switcher for SAS-440 / SAS-640 Intercoms.
Operating Instructions
Models: RMS-440 and RMS-640 (Out of Production)
Remote Stereo Music Switcher for SAS-440 / SAS-640 Intercoms.
Top of Page
SAS-440 / SAS-640
SAS-440 Installation and Operating Instructions
Models: SAS-440 and SAS-640 (Out of Production)
Panel Mount Intercom with Auto Squelch and Pilot Isolate.
Figure 4 Installation Drawing Modification
Models: SAS-440 and SAS-640 (Diode Mod.)
Figure 4 installation drawing modification for Non Audio Panel, Single Radio installations.
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SCI-S4 / SCI-S6
SCI-S4 Installation Instructions
Models: SCI-S4 and SCI-S6
Panel Mount Intercom with Dual Stereo Music Inputs, Pilot Isolate, and Crew Isolate.
Operating Instructions
Models:SCI-S4 and SCI-S6
Panel Mount Intercom with Dual Stereo Music Inputs, Pilot Isolate, and Crew Isolate.
SCI Panel Template
Models: SCI, SDB, SPA, and Sport 200
Panel Templates for intercoms.
Upgrade Overview
Models: SPA-400 to SCI-S4
Upgrading a SPA-400 intercom system overview.
Upgrade Overview
Models: SPA-600 to SCI-S6
Upgrading a SPA-600 intercom system overview.
Figure 4 installation drawing modification for specified audio panels, radios, and jacks.
Audio Panel: King KMA 24 Audio Panel
Radio: Garmin GNC250/XL
Radio: Terra TX760D
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SCI-4 / SCI-6
SCI-6 Installation and Operating Instructions
Models: SCI-4 and SCI-6
Panel Mount Intercom with Dual Controls, Pilot Isolate, and Crew Isolate.
SCI Panel Template
Models: SCI, SDB, SPA, and Sport 200
Panel Templates for intercoms.
Upgrade Overview
Models: SPA-400 to SCI-4
Upgrading a SPA-400 intercom system overview.
Upgrade Overview
Models: SPA-600 to SCI-6
Upgrading a SPA-600 intercom system overview.
Figure 4 installation drawing modification for specified audio panels, radios, and jacks.
Audio Panel: King KMA 24 Audio Panel
Headset Jacks: U-174/U
Radio: Microair 760
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SDB-K / SDB-KH (SPA-4Si / SPA-4SiH)
SDB-K Installation and Operating Instructions
Models: SDB-K and SDB-KH
Stereo Panel Mount Intercom System for Aircraft with Dual Audio Panels.
SDB Panel Template
Models: SCI, SDB, SPA, and Sport 200
Panel Templates for intercoms.
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SDB-800
SDB-800 Installation and Operating Instructions
Model: SDB-800
Panel Mount Intercom System for Aircraft with Dual Audio Panels.
SDB Panel Template
Models: SCI, SDB, SPA, and Sport 200
Panel Templates for intercoms.
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SPA-400 / SPA-400N
SPA-400 Installation and Operating Instructions
Model: SPA-400
Panel Mount Intercom, Standard 4 Place.
Installation and Operating Instructions
Model: SPA-400N
Panel Mount Intercom, 4 Place High Noise Version.
Comm Radio Transmit
Models: SPA-400 and SPA-400N
Comm Radio Transmit Trouble-Shooting Guide
Helpful Hints
Model: SPA-400N
Helpful Hints for Communicating in Unusually High Noise Environments.
SPA Panel Template
Models: SCI, SDB, SPA, and Sport 200
Panel Templates for intercoms.
Figure 4 installation drawing modification for specified audio panels, radios, and jacks.
Audio Panel: King KA 134 Audio Panel
Audio Panel: King KMA 20 Audio Panel
Audio Panel: King KMA 24 Audio Panel
AUX Audio: Auxiliary Audio Input
Headset Jacks: U-174/U
Radio: Apollo SL-40
Radio: Becker AR 3201
Radio: Becker AR 4201, 6201
Radio: Com 120
Radio: Flightline FL-760
Radio: Funkwerk ATR833
Radio: Garmin GTR 225
Radio: Garmin GNC250/XL
Radios: ICOM A-200 and A-210
Radios: ICOM A20 and A21
Radios: ICOM A3, A6, A15, A22, and A24
Radio: King KX 125
Radio: King KX 155 and KX 165
Radio: King KX 170B
Radio: King KY 97A
Radio: King KY 195B
Radio: King KY 197A
Radio: MGL V6
Radio: Microair 760
Radio: Narco COM 810
Radio: Narco COM 810+
Radio: Narco MK12D
Radio: Sporty's SP-400
Radio: VAL Com 760
Radio: VAL Com 2000
Radio: Yaesu FTA-550
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SPA-4S / SPA-4SN
SPA-4S Installation Instructions
Model: SPA-4S and SPA-4SN (Current Production)
Panel Mount 4 Place Stereo Intercom. Standard and High Noise Versions.
Operating Instructions
Model: SPA-4S and SPA-4SN (Current Production)
Panel Mount 4 Place Stereo Intercom. Standard and High Noise Versions.
Installation Instructions
Model: SPA-4S and SPA-4SN (Out of Production)
Serial Numbers: 4603444 and lower.
Panel Mount 4 Place Stereo Intercom. Standard and High Noise Versions.
Operating Instructions
Model: SPA-4S and SPA-4SN (Out of Production)
Serial Numbers: 4603444 and lower.
Panel Mount 4 Place Stereo Intercom. Standard and High Noise Versions.
Helpful Hints
Model: SPA-4SN
Helpful Hints for Communicating in Unusually High Noise Environments.
SPA Panel Template
Models: SCI, SDB, SPA, and Sport 200
Panel Templates for intercoms.
Figure 4 installation drawing modification for specified audio panels, radios, and jacks.
AUX Audio SPA-4S: Auxiliary Audio Input
AUX Audio SPA-4SN: Auxiliary Audio Input
Headset Jacks: U-174/U
Radio: Garmin GNC250/XL
Radios: ICOM A3, A6, A22, and A24
Radios: ICOM A-200 and A-210
Radio: King KY 97A
Radio: Microair 760
Radios: TERRA TMA 330D, TMA 340D, and TMA 350D
Radio: Apollo SL-40
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SPA-4Si / SPA-4SiH (SDB-K / SDB-KH)
SPA-4Si Installation and Operating Instructions
Models: SPA-4Si and SPA-4SiH
Stereo Panel Mount Intercom System for Aircraft with Dual Audio Panels.
SPA Panel Template
Models: SCI, SDB, SPA, and Sport 200
Panel Templates for intercoms.
Top of Page
SPA-600 / SPA-600N
SPA-600 Installation and Operating Instructions
Model: SPA-600
Panel Mount Intercom, Standard 6 Place.
Installation and Operating Instructions
Model: SPA-600N
Panel Mount Intercom, 6 Place High Noise Version.
Comm Radio Transmit
Models: SPA-600 and SPA-600N
Comm Radio Transmit Trouble-Shooting Guide
Helpful Hints
Model: SPA-600N
Helpful Hints for Communicating in Unusually High Noise Environments.
SPA Panel Template
Models: SCI, SDB, SPA, and Sport 200
Panel Templates for intercoms.
Figure 4 installation drawing modification for specified audio panels, radios, and jacks.
Headset Jacks SPA-600: U-174/U
Headset Jacks SPA-600N: U-174/U
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SPE-2 / SPE-4
SPE-2 Installation and Operating Instructions
Model: SPE-2 (Out of Production)
Permanent Intercom, 2 Place.
Installation and Operating Instructions
Model: SPE-4 (Out of Production)
Permanent Intercom, 4 Place.
Top of Page
SPO-20 / SPO-40
SPO-20 Operating Instructions
Model: SPO-20 (Out of Production)
Transcom Portable Intercom, 2 Place.
Operating Instructions
Model: SPO-40 (Out of Production)
Transcom Portable Intercom, 4 Place.
Top of Page
SPO-23 / SPO-43 / SPO-63
SPO-23 Operating Instructions
Models: SPO-23, SPO-43, and SPO-63
Transcom III Portable Battery Powered Intercom with Aux In and Out Jacks.
Helpful Hints
Models: SPO-23N, SPO-43N, and SPO-63N
Helpful Hints for Communicating in Unusually High Noise Environments.
Radio Receive Adjust
Model: SPO-23, SPO-23N, SPO-43, SPO-43N, SPO-63 and SPO-63N Intercoms.
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SPO-22 / SPO-42 / SPO-62 / SPO-82 / SPO-102
SPO-22 Operating Instructions
Models: SPO-22, SPO-42, SPO-62, SPO-82, and SPO-102
Transcom II Portable Battery Powered Intercom with Aux In and Out Jacks.
Helpful Hints
Models: SPO-22N, SPO-42N, and SPO-62N
Helpful Hints for Communicating in Unusually High Noise Environments.
Top of Page
Sport 200
Sport 200 Installation and Operating Instructions
Model: Sport 200
Panel Mount Intercom, 2 Place, High Noise.
Comm Radio Transmit
Model: Sport 200
Comm Radio Transmit Trouble-Shooting Guide
Helpful Hints
Models: Sport 200 and Sport 200S
Helpful Hints for Communicating in Unusually High Noise Environments.
SPA Panel Template
Models: SCI, SDB, SPA, and Sport 200
Panel Templates for intercoms.
Figure 4 installation drawing modification for specified audio panels, radios, and jacks.
Audio Panel: King KMA 24 Audio Panel
Headset Jacks: U-174/U
Radio: Apollo SL-40
Radio: Becker AR 3201
Radio: Becker AR 4201, 6201
Radio: Filser Electronic ATR 500
Radio: Flightline FL-760
Radio: Garmin GTR 200
Radios: ICOM A3, A6, A14, A22, and A24
Radio: ICOM A4
Radios: ICOM A20 and A21
Radios: ICOM A23 and A5
Radios: ICOM A-200 and A-210
Radio: King KX 99
Radios: King KX 155 and KX 165
Radio: King KX 175B
Radio: King KY 197A
Radio: Microair 760
Radio: Sporty's SP-200
Radio: Sporty's SP-400
Radio: TRIG TY 91
Radio: Vertex Standard VXA-300
Radio: XCOM VHF760
Radio: Yaesu FTA-750
Top of Page
Sport 200 S
Sport 200S Installation Instructions
Model: Sport 200 S (Current Production)
Panel Mount Intercom, 2 Place, Stereo, High Noise.
Operating Instructions
Model: Sport 200 S (Current Production)
Panel Mount Intercom, 2 Place, Stereo, High Noise.
Installation Instructions
Model: Sport 200 S (Out of Production)
Serial Numbers: 4801700 and lower
Panel Mount Intercom, 2 Place, Stereo, High Noise.
Operating Instructions
Model: Sport 200 S (Out of Production)
Serial Numbers: 4801700 and lower
Panel Mount Intercom, 2 Place, Stereo, High Noise.
Helpful Hints
Models: Sport 200 and Sport 200 S
Helpful Hints for Communicating in Unusually High Noise Environments.
SPA Panel Template
Models: SCI, SDB, SPA, and Sport 200 S
Panel Templates for intercoms.
Figure 4 installation drawing modification for specified audio panels, radios, and jacks.
AUX Audio: Auxiliary Audio Input
Radios: Apollo SL-30 and SL-40
Radio: Becker AR 3201
Radio: Becker AR 4201
Radio: Filser Electronic ATR 500
Radio: Filser Electronic ATR 600
Radio: Flightline FL-760
Radio: Funkwerk ATR 833
Radios: ICOM A3, A6, A22, and A24
Radio: ICOM A4
Radios: ICOM A23 and A5
Radios: ICOM A-200 and A-210
Radio: King KX 125
Radio: King KY 97A
Radio: King KY 197A
Radio: KRT 2, KRT 2A
Radio: MGL V10
Radio: Microair 760
Radio: Sporty's SP-200
Radios: Vertex Standard VXA-300 and VXA-710
Radio: XCOM VHF760
Radio: XCOM VHF760 and Auxiliary Audio Input
Radio: Yaesu FTA-550
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SRE-2 / SRE-4
SRE-2 Installation and Operating Instructions
Model: SRE-2 (Out of Production)
Remote Mounted Intercom, 2 Place.
Installation and Operating Instructions
Model: SRE-4 (Out of Production)
Remote Mounted Intercom, 4 Place.
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ST-400 / RES-400
ST-400 Installation and Operating Instructions
Model: ST-400 / RES-400 (Out of Production)
Panel Mount Intercom, Standard 4 Place with Remote Stereo Music Switcher.
Manufactured Before 10/1995
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ST-400 / ST-600
ST-400 Installation Instructions
Model: ST-400 / ST-600
Stereocom Panel Mount Intercom, Standard 4 and 6 Place with Remote Amplified Stereo Music Switcher.
Operating Instructions
Model: ST-400 / ST-600
Stereocom Panel Mount Intercom, Standard 4 and 6 Place with Remote Amplified Stereo Music Switcher.
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ST-440 / ST-640
ST-440 Installation Instructions
Model: ST-440 / ST-640 (Out of Production)
Panel Mount Intercom with AutoSquelch, Pilot Isolate, and Remote Stereo Music Switcher, 4 and 6 Place.
Operating Instructions
Model: ST-440 / ST-640 (Out of Production)
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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MODIFICATION INSTRUCTIONS
Listed Alphabetically by Model Number

SCI-S4 / SCI-S6 / SCI-4 / SCI-6
SCI-S4 Radio Keyline Modification
Model: SPA, SDB, SCI and Sport Intercoms
For KMA-20 Audio Panels and ICOM A220 Radios.
Top of Page
SDB-800
SDB-800 Radio Keyline Modification
Model: SPA, SDB, SCI and Sport Intercoms
For KMA-20 Audio Panels and ICOM A220 Radios.
Sidetone Modification
Model: SDB-800 (Current Production)
Serial Numbers: 1151486 A and B to Current
Panel Mount Intercom Transmit Sidetone Modification for Circuit Board 1528
Sidetone Modification
Model: SDB-800 (Out of Production)
Serial Numbers: 1151004 A and B to 1151485 A and B
Panel Mount Intercom Transmit Sidetone Modification for Circuit Board 1440
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SPA-400 / SPA-600
SPA-400 Dual SPA Installation
Model: SPA-400 and SPA-600 (Current Production)
It allows pilot and co-pilot to transmit and receive on the aircraft radio and intercom between themselves, while back passengers can have a separate conversation without interrupting the front two.
Radio Keyline Modification
Model: SPA, SDB, SCI and Sport Intercoms
For KMA-20 Audio Panels and ICOM A220 Radios.
Sidetone Modification
Model: SPA-400 and SPA-600 (Current Production)
Serial Numbers: SPA-400 S/N 6069006 to Current and SPA-600 S/N 1102528 to Current
Panel Mount Intercom Transmit Sidetone Modification Circuit Board 1528
Sidetone Modification
Model: SPA-400 and SPA-600 (Out of Production)
Serial Numbers: SPA-400 S/N 6053486 to 6069005 and SPA-600 S/N 1101839 to 1102527
Panel Mount Intercom Transmit Sidetone Modification Circuit Board 1440
Sidetone Modification
Model: SPA-400 (Out of Production)
Serial Numbers: 61960 to 6053485
Panel Mount Intercom Transmit Sidetone Modification Circuit Board 1092-4
Sidetone Modification
Model: SPA-400 (Out of Production)
Serial Numbers: 60975 to 61959
Panel Mount Intercom Transmit Sidetone Modification Circuit Board 1092-3
Sidetone Modification
Model: SPA-400 (Out of Production)
Serial Numbers: 60500 to 60974
Panel Mount Intercom Transmit Sidetone Modification Circuit Board 1092-2
Sidetone Modification
Model: SPA-400 (Out of Production)
Serial Numbers: 60001 to 60499
Panel Mount Intercom Transmit Sidetone Modification Circuit Board 1092
ICS Load Modification
Model: SPA-400 and SPA-600
This modification is used when a Sigtronics SPA Intercom is connected to a radio or audio panel that has a low impedance headphone output (less than 100 ohms).
SPA Intercom and Portable Push-To-Talk Switches
Model: SPA-400 and SPA-600
Installation instructions for the use of Portable Push-To-Talk Switches with a Sigtronics Panel Mount Intercom System.
External Mic Interrupt Modification
Model: SPA-400, SPA-600, ST-400, and ST-600
Problem: The intercom stays hot or live all the time no matter what position the intercom squelch is set to. Most common with Terra radio equipment, King KY-92 radios, and a few others.
Pilot Isolate Option
Model: SPA-400 and SPA-600
Add pilot isolate to a SPA intercom system.
Music Input
Model: SPA-400, SPA-400N, SPA-600, and SPA-600N
Music input options for Sigtronics SPA panel mount intercoms.
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Sport 200
Sport 200 Radio Keyline Modification
Model: SPA, SDB, SCI and Sport Intercoms
For KMA-20 Audio Panels and ICOM A220 Radios.
Sidetone Modification
Model: Sport 200 (Current Production)
Serial Numbers: 6202993 to Current
Panel Mount Intercom Transmit Sidetone Modification Circuit Board 1528
Sidetone Modification
Model: Sport 200 (Out of Production)
Serial Numbers: 6202355 to 6202992
Panel Mount Intercom Transmit Sidetone Modification Circuit Board 1440
ICS Load Modification
Model: Sport 200
This modification is used when a Sigtronics Sport 200 Intercom is connected to a radio or audio panel that has a low impedance headphone output (less than 100 ohms).
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RES-400 / RES-600
RES-400 Low Power Music Source Modification
Model: RES-400 and RES-600 (Out of Production)
Music Switcher low power music source modification; Monaural wiring instructions; Notes on music sources with floating speaker outputs.
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ST-400 / ST-600
ST-400 Dual ST Installation
Model: ST-400 and ST-600 (Current Production)
It allows pilot and co-pilot to transmit and receive on the aircraft radio, listen to music, and intercom between themselves, while back passengers can have a separate conversation and music without interrupting the front two.
Older ST-400 / ST-600 Units and Four Wire Speaker Output Music Systems
Model: ST-400 and ST-600 (Out of Production)
Serial Numbers: RES-400 S/N 1002922 and lower and RES-600 S/N 1050604 and lower
Older ST-400 / ST-600 with the RES-400 or RES-600 stereo music switchers manufactured before 10/1995.
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