Niles Audio SI-1230 manual Installation, Bridging Two Channels into One, Step, Description

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INSTALLATION

INSTALLATION

19	Bridging Two Channels into One	23	Line Level Audio Inputs
20	BusMatrixTM Input Switch Setting	23	Cascade Audio Outputs
21	Setting The Turn-On Mode Switch	24	AC Power Plug
21	The Control Output	24	Rail Fuse Holders
22	Speaker Wire Connections

CAUTION! ALL CONNECTIONS AND REAR PANEL SWITCH SETTINGS SHOULD BE MADE WITH THE AMPLIFIER’S FRONT PANEL MASTER POWER SWITCH OFF.

Bridging Two Channels into One

The SI-1230's bridging switches allow you to create a more powerful amplifier channel by combining or "bridging" two adjacent channels.

1					2	Slide the bridg-	When two channels are bridged
		BRIDGED				ing switch in the	together, connect speakers to the
						direction of the	two terminals labeled “Bridged”.
						arrow to bridge	BRIDGED –	-	BRIDGED
										+
										+
	LEVEL		USE CH 2		LEVEL	two adjacent
						amplifier chan-
			WHEN			nels. Set the
			BRIDGED
						controls of the
		L			L	newly bridged
BUS		R		BUS	R	pair by using the
		L+R			L+R	EVEN numbered
		1			2	channel.

STEP	DESCRIPTION
1. Choose which of the six pairs you	The 12 channels are grouped into 6 pairs
wish to bridge and move the bridging	(e.g. 1 & 2). Only the two channels within a
switch for that pair to the "Bridged"	pair can be bridged. Thus, only channels 1
position (toward arrow).	and 2, or channels 3 and 4 could be bridged.
	You cannot bridge 2 and 3 for example.
CAUTION! Do not connect a speaker	A bridged channel on a SI-1230 is
load of less than eight ohms to a	designed for an eight ohm minimum load.
bridged channel.	Connecting a speaker with a nominal
	impedance of less than 8 ohms may cause
	the SI-1230 to go into protection or be
	damaged.

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