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Load:
Size:
The INW-2 switches up to 2 pairs of 4 Ohm or higher impedance speakers in any
combination, while maintaining a safe load to the amplifier of 4 or 8 Ohms.
The load protection is achieved by use of an impedance matching transformer,
which offers several significant advantages. First, there is little or no heat developed
whether one or two speakers pairs are operating simultaneously, so no fire hazard exists
with the in-wall switcher. Second, all switching can be elegantly contained in a single in-wall junction
box without modification.
The INW-2 is normally supplied with the impedance matching jumper connected to the X2 position,
which multiplies the speaker impedance to 2 times the nominal value. Thus if 2 pairs of 4 Ohm speakers
are switched on at the same time, the parallel impedance load would be 2 Ohm. The transformer setting
multiplies the impedance by 2, so the total load to the amplifier appears as 4 Ohms. The jumper settings
can be adjusted to accommodate different situations.
The wiring diagram illustrates connections to the INW-2. Note that all the LEFT speaker and
amplifier LEFT channel connect to one side of the unit, and the RIGHT to the other. Wires should be
stripped about 1/4", inserted in the appropriate connector opening, and the screw tightened. Check to be
sure that no stray strands stick out to cause short circuits!
Installation MANUAL
TECHNOLOGY
INW-2
IN-WALL STEREO SWITCHER
Transformers rated at 72 Watts RMS continuous (216 Watts audio)
35Hz-20kHz.
4 or 8 Ohm speakers.
INW-2 fits most single wall junction boxes.
Screw type connectors.
X0
X2
X4
X8
X16
X0
X2
X4
X8
X16
Jumper settings when only
one switchbank is used (X2).
INSTALLATION
AUDIOPLEX TECHNOLOGY
404 GWH, P.O. BOX 440
MELVIN VILLAGE, N.H. 03850
1-800-257-2077 IN N.H. 1-603-544-8601
FAX: 1-603-544-8901
L
R
2000 - 6/20/00
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Summary of Contents for Audioplex INW-2
- Page 1 Connections: Screw type connectors. The INW-2 switches up to 2 pairs of 4 Ohm or higher impedance speakers in any combination, while maintaining a safe load to the amplifier of 4 or 8 Ohms. The load protection is achieved by use of an impedance matching transformer, which offers several significant advantages.
- Page 2 Any defects will be remedied without charge for labor or parts. Damage incurred by shipping or accident is not considered to be a defect, and not covered by this warranty. AUDIOPLEX TECHNOLOGY, is not responsible for defective operation caused by abuse or by modification or service by any unauthorized person or agency.
- Page 3 The unit must be properly installed and operated according to instructions for the warranty to apply. Any necessary servicing must be done by AUDIOPLEX TECHNOLOGY. The unit must be returned expenses prepaid, with written authorization from the company. The product must be shipped with the proof of purchase and in the original carton and packing material to avoid damage.
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Page 4: Wiring Diagram
WIRING DIAGRAM AMPLIFIER OUTPUTS INW-4 BACK VIEW IN R+ IN L+ IN L- IN R- 1 RO+ 1 LO+ 1 LO- 1 RO- 2 LO+ 2 RO+ 2 LO- 2 RO- 3 LO+ 3 RO+ 3 LO- 3 RO- 4 LO+ 4 RO+ 4 LO- 4 RO-... - Page 5 The unit must be properly installed and operated according to instructions for the warranty to apply. Any necessary servicing must be done by AUDIOPLEX TECHNOLOGY. The product must be returned expenses prepaid, with written authorization from the company. The product must be shipped with the proof of purchase and in the original carton and packing material to avoid damage.
- Page 6 1 RO- 2 LO+ 2 RO+ 2 LO- 2 RO- + L - + L - INWNP-2 (Front View) 2000 - 6/20/00 AUDIOPLEX TECHNOLOGY 404 GWH P.O. BOX 440 MELVIN VILLAGE, N.H. 03850 1-800-257-2077 IN N.H. 1-603-544-8601 FAX: 1-603-544-8901 E-MAIL: sales@audioplex.com...
- Page 7 The unit must be properly installed and operated according to instructions for the warranty to apply. Any necessary servicing must be done by AUDIOPLEX TECHNOLOGY. The product must be returned expenses prepaid, with written authorization from the company. The product must be shipped with the proof of purchase and in the original carton and packing material to avoid damage.
- Page 8 + L - - R + + L - - R + + L - - R + AUDIOPLEX TECHNOLOGY 404 GWH P.O. BOX 440 MELVIN VILLAGE, N.H. 03850 1-800-257-2077 IN N.H. 1-603-544-8601 2000 - 6/20/00 FAX: 1-603-544-8901 E-MAIL: sales@audioplex.com...
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