P.I.P.-ATX - Processeur programmable CROWN - Free user manual and instructions

Product Type	Programmable Input Processor (P.I.P.) Module - Crossover
Model	P.I.P.-ATX (AMC Theatre Crossover)
Brand	Crown
Application	For Crown amplifiers with P.I.P. slot (e.g., Macro-Tech, DC, etc.)
Number of Channels	2 (independent)
Low-Pass Filter	-6 dB at 160 Hz, 24 dB/octave
Band-Pass Filter	-3 dB at 36 Hz and 2200 Hz, 6 dB/octave
High-Pass Filter	-6 dB at 800 Hz, 24 dB/octave
Constant Directivity Horn EQ	+3 dB at 4 kHz
Input Impedance	50 kΩ balanced, 25 kΩ unbalanced
Maximum Input Level	+20 dBu
Maximum Output Level	+20 dBu into 600 ohms
Gain	Unity ±0.5 dB
Frequency Response	±0.1 dB from 20 Hz to 20 kHz
Signal-to-Noise Ratio	>90 dB (20 Hz - 20 kHz)
Total Harmonic Distortion	<0.05% at 1 kHz, +10 dBu input
Common Mode Rejection	>90 dB at 60 Hz
Crosstalk	<90 dB at 1 kHz
Connectors	3-pin removable screw terminals (Phoenix-style)
Dimensions (W x H x D)	6.375 x 1.875 x 3.875 inches (16.2 x 4.8 x 9.8 cm)
Power Source	Powered by amplifier via P.I.P. bus
Configuration	Jumper-selectable output and daisy-chain frequencies per channel
Safety	Install with amplifier turned off and unplugged
Year of Manufacture	1994
Country of Origin	USA (Crown International, Elkhart, IN)

Frequently Asked Questions - P.I.P.-ATX CROWN

What is the Crown P.I.P.-ATX?

The P.I.P.-ATX is a Programmable Input Processor module designed by Crown for use with their premium amplifiers. ATX stands for AMC Theatre Crossover. It provides a two-channel crossover network with constant-directivity horn equalization for triamplified sound systems in AMC movie theatres.

How do I install the P.I.P.-ATX?

First, turn down amplifier level controls, turn off the amplifier, and unplug it from AC mains. Remove the existing P.I.P. module by taking out two screws and pulling straight out. Align the P.I.P.-ATX circuit board with the card rails and firmly slide it in until seated. Secure with the provided screws and lock washers. Connect input/output wiring, then plug in and turn on the amplifier.

What are the jumper settings for each channel?

Each channel has two jumper blocks: OUTPUT SELECT and DAISY SELECT. Only one jumper per block. Positions: HF (high frequencies), MF (mid frequencies), LF (low frequencies), TH (through/full bandwidth). The actual crossover frequencies are defined in the specifications; e.g., HF is high-pass at 800 Hz.

What crossover frequencies are available?

The module provides three filter types: Low-pass (-6 dB at 160 Hz, 24 dB/oct), Band-pass (-3 dB at 36 Hz and 2200 Hz, 6 dB/oct), and High-pass (-6 dB at 800 Hz, 24 dB/oct). It also includes a constant-directivity horn EQ of +3 dB at 4 kHz.

Can I use the P.I.P.-ATX with any Crown amplifier?

The P.I.P.-ATX is compatible with Crown amplifiers that feature a P.I.P. slot, such as many Macro-Tech and DC series models. It is designed specifically for AMC theatre systems but can be used in other applications if the crossover frequencies match the system requirements.

What is the purpose of the daisy-chain output?

The daisy-chain output connector on the P.I.P. module allows sending the selected frequency band to another P.I.P. module or device. The DAISY SELECT jumper determines which frequencies (HF, MF, LF, or TH) are sent to this output.

How do I connect input and output wiring?

Use the 3-pin removable screw terminals (Phoenix-style) for balanced or unbalanced connections. Follow the wiring instructions in the amplifier's owner's manual. Typically, balanced wiring uses pins 2 (hot), 3 (cold), and 1 (ground); unbalanced uses pin 2 (signal) and 1 (ground), with pin 3 connected to ground.

What are the key specifications of the P.I.P.-ATX?

Key specs include: Input impedance 50 kΩ balanced, maximum input/output level +20 dBu, gain unity ±0.5 dB, frequency response ±0.1 dB (20 Hz-20 kHz), S/N ratio >90 dB, THD <0.05%, crosstalk <90 dB, and dimensions 6.375 x 1.875 x 3.875 inches.

Does the P.I.P.-ATX require external power?

No, the P.I.P.-ATX is powered directly from the amplifier via the P.I.P. bus. It does not require any external power supply or batteries.

Where is the P.I.P.-ATX manufactured?

The P.I.P.-ATX is manufactured by Crown International, Inc. in Elkhart, Indiana, USA. The unit is built to the high-quality standards expected of professional audio equipment.

USER MANUAL P.I.P.-ATX CROWN

Simple line drawing of a crown inside a rounded square frame (no text or symbols)

P.I.P.-ATX

Programmable Input Processor

OWNER'S MANUAL

©1994 by CROWN INTERNATIONAL, INC.

P.O. Box 1000, Elkhart, IN 46515-1000

Telephone: [phone]

Fig. 1 The P.I.P.-ATX

Welcome

Thank you for purchasing the Crown P.I.P.-ATX. P.I.P. ^ modules are designed to quickly plug into the back of Crown's premium amplifiers. P.I.P. stands for "Programmable Input Processor." P.I.P.s expand the capabilities of your amplifier and enable you to customize it for your particular needs.

ATX stands for AMC Theatre Cross(X)over. It is a custom two-channel crossover network with constant-directivity horn equalization that divides audio signals to properly drive the triamplified sound systems at AMC movie theatres.

Features

☐ 3-pin removable barrier block input and output connectors for each channel.

Each channel's crossover can deliver low, middle or high frequencies independently to the corresponding amplifier channel and to the daisy-chain output connector on the P.I.P. module.

Installation

Before installing the P.I.P. module, you should first configure it.

P.I.P. Configuration

The P.I.P.-ATX has two jumper blocks for each channel on its circuit board. The "OUTPUT SELECT" jumper is used to select the frequencies that will be output from the P.I.P. to the amplifier in which the P.I.P. is installed. The "DAISY SELECT" jumper is used to select the frequencies that will be sent to the output connector on the P.I.P.

Each channel is configured independently. Only one jumper should be installed on each

Fig. 2 P.I.P.-ATX Jumper Locations

jumper block. The jumper positions are labeled as follows: "HF" for high frequencies, "MF" for middle frequencies, "LF" for low frequencies and "TH" is for "through" which provides full bandwidth output. The actual output frequencies for each jumper position are listed in the specifications for the P.I.P.

P.I.P. Installation

1. Turn down the level controls (fully counterclockwise), turn off the amplifier, and unplug it from the AC mains power.
2. Remove the two screws that hold the existing P.I.P. module in place and pull straight out with firm pressure.
3. Align the edge of the P.I.P.-ATX circuit board with the P.I.P. card rails and firmly slide in the P.I.P. until

it is seated solidly in the amplifier.

1. Secure the P.I.P.-ATX with the two provided phillips screws and lock washers.
2. Connect the input and output wiring as required for your application. For help, refer to the balanced and unbalanced input wiring instructions provided in your amplifier's Owner's Manual.
3. Plug in the amplifier and turn it on. Adjust its level controls to a desired setting.

Fig. 3 Installing a P.I.P.

Specifications

Note: All specifications are referenced to a 0.775 volt input signal.

Low-Pass Frequency: -6 dB at 160 Hz (24 dB/octave).

Band-Pass Frequencies: -3 dB at 36 and 2200 Hz (6 dB/octave).

High-Pass Frequency: -6 dB at 800 Hz (24 dB/octave).

Constant Directivity Horn EQ: +3 dB at 4 kHz.

Signal to Noise: Greater than 90 dB from 20 Hz to 20 kHz.

Frequency Response: ±0.1 dB from 20 Hz to 20 kHz.

Harmonic Distortion (THD): Less than 0.05% THD at 1 kHz with a +10 dBu input signal.

Common Mode Rejection: Greater than 90 dB at 60 Hz.

Crosstalk: Less than 90 dB at 1 kHz.

Connectors: 3-pin (Phoenix®) removable screw terminals.

Input Impedance: Nominally 50 K ohms balanced. 25 K ohms unbalanced.

Maximum Input Level: +20 dBu.

Maximum Output Level: +20 dBu into 600 ohms.

Nominal Gain: Unity ±0.5 dB.

Dimensions: 6 38 inch width, 1 78 inch height, and 3 78 inch depth (16.2 x 4.8 x 9.8 cm).