Wiring & Amplification - Adamson IS Series User Manual

Wiring & Amplification
Wiring
The IS118 (992-0010) comes with 4x Neutrik Speakon™ NL4 connections, wired in parallel. The 2 rear connections
pass pin 1 +/- to the driver and the 2 front connections pass pin 2 +/- to the driver.
IS118 Rear
IS118 Front
The IS118b (992-0011) comes with an external barrier strip mounted to the rear grill. Terminals 1, +/- are passed to the
driver, terminal 2, +/- are not connected.
IS118b Rear
To operate the IS118b in FB or FBF cardioid mode, swap the front and rear grills by:
1. Removing the six screws holding each grill to the side rigging pieces
2. Unclipping the grill with the barrier strip from the rear PCB, and swapping the grills
3. Re-clipping the grill with the barrier strip to the front PCB and affix with the same screws
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