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Operating Manual - XR1001, XR2001, and XR4001 Electronic Crossovers

INTRODUCTION

Your ASHLY crossover is the product of an in-

tensive research effort which combined a reexamination

of traditional crossover theory with practical field use.

Over the years, a number of refinements and new models

have been added to our crossover series, but the original

design goals have remained the same: to produce a cross-

over which is sonically accurate, is flexible enough to

suit a wide variety of systems, and affords maximum pro-

tection for speakers and drivers.

All Ashly crossovers are based upon the same

powerful state-variable filter circuit, which guarantees that

two adjacent frequency band outputs always remain in

phase. Our crossovers offer a number of useful and un-

usual features, including continuous tuning, a response

control, and a unique output stage which maintains low

noise at any level setting. These models also include a

200:1 tuning range, output mute switches, and both TRS

and XLR connectors. Like other Ashly products, your

crossover features low noise and distortion, active bal-

anced inputs, a peak level indicator, a precision regulated

power supply, protection against abnormal input or out-

put conditions, and rugged mechanical construction.

Conservative design and an unusually thorough procedure

for quality control have earned Ashly a reputation for

dependability in the recording, sound reinforcement, and

broadcast fields.

Due to the similarity of the operating controls on

our various models, we have prepared this one manual to

cover our complete crossover line. Specific notes on each

model will be found in separate application notes. Many

owners are unaware of the ease with which you can

reconfigure your crossover for nonstandard operation. For

example, a 4-way crossover can easily be used as a mono

2-way with tunable subsonic and ultrasonic cutoff filters,

and a stereo 3-way can function as a mono 5-way cross-

over. No internal modifications are necessary, and audio

performance is not compromised. In addition, this manual

covers normal setup and operation and offers troubleshoot-

ing tips. Please take time to read it before

operating your crossover.

UNPACKING

As a part of our system of quality

control, every Ashly product is carefully

inspected before leaving the factory to en-

sure flawless appearance. After unpacking,

please inspect for any physical damage.

Save the shipping carton and all packing

materials , as they were carefully designed

to reduce to minimum the possibility of

transportation damage should the unit again require pack-

ing and shipping. In the event that damage has occurred,

immediately notify your dealer so that a written claim to

cover the damages can be initiated.

The right to any claim against a public carrier

can be forfeited if the carrier is not notified promptly and

if the shipping carton and packing materials are not avail-

able for inspection by the carrier. Save all packing mate-

rials until the claim has been settled.

AC POWER REQUIREMENTS

Unless otherwise indicated on the back of the

unit, all crossovers should be connected to a 3-wire

grounded outlet supplying 120 Volts, 50-60 Hz. Some

export models are 240 volts, and are labeled accordingly.

This unit will perform normally from 92 to 130

volts AC. A "brownout" condition occurs when avail-

able AC power falls low enough to take the unit's DC

power supply out of regulation, increasing noise and low-

ering signal headroom. In general, avoid powering your

audio system with AC circuits that additionally run large

refrigeration compressors, air conditioners, electric heat-

ers, lighting systems, etc.

This unit has an internal line fuse. In the un-

likely event that the fuse should blow, refer the product

to a qualified service technician. Power consumption is

15 watts.

SECURITY COVERS

For installations where it is desirable to protect

the front panel controls from tampering or accidental

misadjustment, use the Ashly security cover, which is

available in both single and double rack space sizes. In-

stallation is simple and does not require removal of the

equipment from your rack. See your Ashly dealer for de-

tails.

Ashly Security Cover Installation