Crown P.I.P.-ATNb Handleiding


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© 1996 by Crown International, Inc., P.O. Box 1000, Elkhart, IN 46515-1000
U.S.A. Telephone: 219-294-8000. Fax: 219-294-8329. Crown
P.I.P.
modules
are produced by the Professional Audio Division of Crown International, Inc.
Trademark Notice:
Crown
®,
Com-Tech
®,
Macro-Tech
® and
P.I.P.
® are
registered trademarks of Crown International, Inc. Other trademarks are the
property of their respective owners.
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Programmable
Input Processor (P.I.P.)
+ –
ATTENUATION ATTENUATION
ATN
B
B
B
B
C H - 2 I N P U T C H - 1 I N P U T
+
Page 2
P.I.P.–ATNB
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Programmable
Input Processor (P.I.P.)
+ –
ATTENUATION ATTENUATION
ATN
B
B
B
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C H - 2 I N P U T C H - 1 I N P U T
+
BA B A
Fig. 1.2 Bottom View
Fig. 1.1 Front View
D
S2 S1
FLAT
50 Hz
100 Hz
300 Hz
ON
OFF
EQ2
OFF / ON
EQ1
OFF / ON
DC
Page 3
P.I.P.–ATNB
Facilities
A. Balanced Input
These removable barrier-block con-
nectors (Figure 1.1) make it quick
and easy to attach an input cable
with just three screws. Once the
cable is attached, the connector can
be quickly unplugged and, if desired,
moved to a different amplifier.
B. Input Attenuators
Each channel has a calibrated at-
tenuator (Figure 1.1) for accurate
level adjustment. They have 21
detented positions which “click” into
place for ease of use.
C. Subsonic/Bass Switch
A 4-position slide switch for each
channel (Figure 1.2) controls the sub-
sonic/bass filter. This filter is an 18
dB/octave Butterworth high-pass fil-
ter which can be selected to attenu-
ate frequencies below 50 Hz, 100 Hz
or 300 Hz. It can also be switched off
(FLAT). The switch positions are la-
belled on the circuit board between
the two switches.
D. Horn Equalization Jumper
A jumper is provided for each chan-
nel (Figure 1.2) to enable/disable the
constant-directivity horn equalization.
The jumper for channel 1 (EQ1) is
shown in the ON position while the
channel 2 jumper (EQ2) is shown in
the OFF position. This equalization
circuit is a 6 dB/octave shelving net-
work with a 3 dB rise at 3.2 kHz and
a peak boost of 12.5 dB at 24 kHz.
1 Welcome
Thank you for purchasing the Crown
P.I.P.–ATNB
accessory.
P.I.P.
® (Pro-
grammable Input Processor) mod-
ules are designed to quickly install in
the rear panel of Crown
Com-Tech
®,
Macro-Tech
® or
Studio Reference
se-
ries amplifiers. Their versatile fea-
tures expand the capabilities of your
amplifier and enable you to custom-
ize it for your particular needs.
You should find these items when you
unpack:
P.I.P.–ATNB Module
Two 8-32 Phillips Machine Screws
Two Lock Washers
Two Quick-Disconnect Barrier
Blocks
This Reference Manual
Features
Balanced inputs with 1:1 isolation
transformers to minimize input noise.
RFI filter for attenuation of unwanted
ultrasonic frequencies. The RFI filter
is a 12 dB/octave, Bessel-tuned low-
pass filter with a 3 dB roll-off point at
33 kHz.
Switchable subsonic/bass filter with
the following settings: flat, 50, 100, or
300 Hz roll-off.
Switchable constant-directivity horn
equalization network.
Calibrated 21 position attenuators
give accurate level control of the in-
put signal.
Removable barrier block connectors
provide greater wiring flexibility and
easy installation.


Product specificaties

Merk: Crown
Categorie: Niet gecategoriseerd
Model: P.I.P.-ATNb

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