Crown MTBB Owners manual

MT

–

BB

MT-BB

© 1996 by Crown International, Inc., P.O. Box 1000, Elkhart, IN 46515-1000
U.S.A. Telephone: [phone]. Fax: [phone].
produced by the Professional Audio Division of Crown International, Inc.
Trademark Notice:
registered trademarks of Crown International, Inc. Other trademarks are the
property of their respective owners.

Crown Audio Division Technical Support Group

Plant 2 SW, 1718 W. Mishawaka Rd., Elkhart, Indiana 46517 U.S.A.

Phone: [phone] (North America, Puerto Rico and Virgin Islands) or 219-294-8200

Fax: [phone] Fax Back: 800-294-4094 (North America only) or 219-293-9200

CH-2 INPUT CH-1 INPUT

CSL

™ is a trademark and

For Technical Support contact:

Internet: http://www.crownintl.com

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Crown

®

and

P.I.P.

modules are

Micro-Tech

®

are

Printed on

recycled paper.

100501-1

8/96

MT–BB

MT-BB

CH-2 INPUT CH-1 INPUT

Fig. 1.1 MT-BB

1 Welcome

The

MT–BB

Accessory Panel is de-

signed to give your

Power Base

or
block type inputs for permanent
installatons. Installing it requires the
access of the top side of the Main Cir­cuit Board and should only be at­tempted by a qualified technician.

The barrier block connector is wired
as follows:

– Negative Input

(inverting)
Signal Ground

+ Positive Input (non-

inverting)

Both balanced and unbalanced input
wiring are shown in Figures 1.2 and

1.3 opposite. Please note the jumper
between pins 1 and 3 when connect­ing an unbalanced line to the input.

Micro-Tech

™

CSL

amplifier barrier

–+–+

CH-2 INPUT CH-1 INPUT

®

,

Fig. 1.2 Balanced Input Wiring

CH-2 INPUT CH-1 INPUT

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Page 2

Fig. 1.3 Unbalanced Input Wiring