Amplifier R12 - Bose(R), Multi-Pin Connector Assignments

Amplifier R12 - BOSE(R), Multi-pin Connector Assignments

Amplifier R12 with 25-pin multi-pin connector

NOTE: Terminals which are not listed are vacant/unassigned.







Multi-pin connector, 25-pin
1. Inside Loudspeaker R70 (+)
2. Inside Loudspeaker R70 (-)
6. Line output Ground from Radio R
7. Line output - right rear, from Radio R
8. Line output - left rear, from Radio R
9. Line output - right front, from Radio R
10. Line output - left front, from Radio R
11. Ground (GND) - Terminal 31
13. Battery positive (B+) - Terminal 30
14. Bass Loudspeaker R100 (+)
15. Bass Loudspeaker R100 (-)
16. Left front loudspeaker (-)
17. Left front loudspeaker (+)
18. Right front loudspeaker (+)
19. Right front loudspeaker (-)
20. Left rear loudspeaker (+)
21. Left rear loudspeaker (-)
22. Right rear loudspeaker (+)
23. Right rear loudspeaker (-)
25. Switched positive from Radio R

Amplifier R12 with 32-pin multi-pin connector

NOTE: Terminals which are not listed are vacant/unassigned.







Multi-pin connector, 32-pin
1. Battery positive (B+) - Terminal 30
2. Ground (GND) - Terminal 31
3. Bass Loudspeaker R100 (+)
4. Left rear loudspeaker (-)
5. Right rear loudspeaker (+)
6. Switched positive from Radio R
7. Line output Ground from Radio R
11. Left rear Bass Loudspeaker (+) (not used)
12. Left rear Bass Loudspeaker (-), (not used)
13. Inside Loudspeaker R70 (-)
14. Inside Loudspeaker R70 (+)
15. Bass Loudspeaker R100 (-)
16. Left rear loudspeaker (-)
17. Right rear loudspeaker (-)
19. Line output - left front, from Radio R
20. Line output - right front, from Radio R
21. Line output - left rear, from Radio R
22. Line output - right rear, from Radio R
24. Audio Pilot off - bridge to PIN 6 (not used)
26. Right front loudspeaker (-)
27. Right front loudspeaker (+)
29. Internal microphone R74 (+)
30. Internal microphone R74 (-)
31. Left front loudspeaker (+)
32. Left front loudspeaker (-)