![ASHLY XR-1001 [4/8] Physical description](/img/pdf.png)
ASHLY XR-1001 [4/8] Physical description
![ASHLY XR-1001 [4/8] Physical description](/views2/2008386/page4/bg4.png)
Page - 4 Operator Manual – XR 1001 Crossover
Copyright© 2012 – Ashly Audio Inc.
Physical Description
The XR 1001 is 1RU, and weighs approximately 10 pounds.
XR-1001 Front Panel
1. Power - Connects AC power to the unit. Power
is indicated by the frequency range LEDs.
2. Input Level - boosts incoming signal up to
+8dB before it reaches the filters, or attenuates
the signal to off. Maximum input level is
+23dBu. The “U” shown at the 12:00 position
indicates “unity gain” of the input section.
3. Crossover Frequency - This infinitely variable
control allows you to select an appropriate
crossover point. A turn clockwise raises the
crossover frequency while counterclockwise
lowers it. Frequencies are marked on standard
ISO 1/3 octave center frequencies with each
octave calibrated. Calibration accuracy is very
good, typically within 1/3 octave or better. If
greater accuracy than this is necessary,
measure the actual crossover frequency with
an accurate oscillator/frequency counter.
To allow a wider tuning range, our crossovers
use a recessed range switch for each
frequency control. LED indicators provide range
status as soon as the unit is powered on. The
range switch divides the frequency indicated on
the frequency control by 10 and gives a total
range of 200:1 for each control. Avoid
accidental damage to speakers by muting the
outputs before changing the range switch.
4. Response - adjusts the damping of the filter
affecting the response shape of the filters at the
crossover point. The dial calibrations refer to
the amount of attenuation effected by the filter
at the crossover frequency, i.e., a setting of
3dB means that the filter’s high-pass and low-
pass outputs are each “rolled off 3dB at the
crossover point”. This describes Butterworth
filter response, or a gentle 3dB peak at the
crossover point where the two filter output
signals overlap. To obtain a flat signal, or
“Linkowitz-Riley” response through the
crossover region, set the Response control to
“6”. To obtain a notch at the crossover point,
turn down the response control past “6” to best
suit your needs. The purpose of this control is
to help offset the inaccuracies inherent in
typical loudspeakers, helping you to achieve a
flat system response.
NOTE: The Response control is not a “slope”
control. The Response control only affects filter
response shape in the immediate vicinity of the
crossover frequency; the ultimate crossover
slope is a fixed parameter.
5. Output Level - The output stage operates at
unity gain with the output level controls set at
“U”. Max gain of the output stage is +15dB. In a
typical setup, power amplifier input level
controls should be run “full-on”, with level
control being accomplished at the crossover.
Note that horn and compression driver
combinations are much more efficient than
cone speakers, often by 12 to 20dB. When
used together, you should expect a much lower
level setting for the horns to obtain proper
balance. Output mute switches allow you to
isolate individual or grouped outputs for
listening tests without affecting the settings of
any other outputs.
6. Clip Indicator - Ashly crossovers feature a
peak detection which monitors signal level at
several critical points. The LED will flash when
signal levels of +20dBu are reached anywhere
in the crossover. Since our crossovers have a
nominal 23dB of headroom referenced to a
standard operating level of 0dBu (.77 Volts), a
flashing LED warns you that you are only 3dB
from clipping. Since peak levels are monitored
at several points, the clip LED can be used to
isolate the source. If the LED flashes even
though all input and output levels are turned
down, the signal feed is excessive. If the LED
flashes when you turn the Input level control up
(with the outputs still turned down), the
overload is occurring in the filter sections, and
you should back the Input level down a bit. If
the LED first flashes when you turn the output
level controls up, then the overload is occurring
in the output stage. In this case, if your power
amplifier controls are at full gain, you are
probably severely overdriving your amplifier.
Introduction - 2
XR Crossovers – 3
Connectors & Cables – 3
Physical Description - 4
Front Panel
Installation – 5
Typical Applications - 6
Troubleshooting - 7
Dimensions - 7
Specifications - 8
Warranty - 9
CAUTION: High
frequency compression
drivers may be destroyed
by the use of too low a
crossover frequency.
Make sure the range
switch is properly set.
You may want to install a
security cover if the unit
is accessible to untrained
p
eo
p
le.
Содержание
- Ashly audio inc 1
- Xr 1001 electronic crossover operating manual 1
- About ashly 2
- Ashly audio was founded in 1974 by a group of recording engineers sound professionals and electronics designers the first products were custom consoles for friends and associates but business quickly grew the philosophy established from the very beginning holds true today to offer only the highest quality audio tools at an affordable cost to the professional user ensuring reliability and long life many years later ashly remains committed to these principles 2
- Congratulations on your purchase of an ashly xr 1001 crossover this crossover is the product of an intensive research effort which combined a reexamination of traditional crossover theory with practical field use over the years refinements and new models have been added to our crossover series but the original design goals have remained the same to produce a crossover which is sonically accurate is flexible enough to suit a wide variety of systems and affords maximum protection for speakers and drivers we are confident that you will be pleased with the high performance superb sound quality and reliability that ashly is known for 2
- Copyright 2012 ashly audio inc 2
- Fcc compliance 2
- In order to minimize the risk of injury damage or hearing loss please read the entire owner s manual before connecting to a sound system 2
- Introduction 2
- Page 2 operator manual xr 1001 crossover 2
- Safety 2
- The lightning flash with arrowhead symbol within an equilateral triangle is intended to the lightning flash with arrowhead symbol within an equilateral triangle is intended to alert the user to the presence of uninsulated dangerous voltage within the product s enclosure that may be of sufficient magnitude to constitute a risk of electric shock to persons the exclamation point within an equilateral triangle is intended to alert the user to the presence of important operating and maintenance instructions in the literature accompanying the device 2
- To reduce the risk of electric shock do not remove cover no user serviceable parts inside refer servicing to qualified service personnel to reduce the risk of fire or electrical shock do not expose this appliance to rain or moisture to reduce the risk of fire replace only with same type fuse refer replacement to qualified service personnel 2
- Warning this apparatus must be grounded through the supplied power line cord 2
- Connectors cables 3
- Inputs 3
- Operator manual xr series crossovers page 3 3
- Outputs 3
- Xr crossovers 3
- Copyright 2012 ashly audio inc 4
- Page 4 operator manual xr 1001 crossover 4
- Physical description 4
- The xr 1001 is 1ru and weighs approximately 10 pounds 4
- Xr 1001 front panel 4
- Ac power 5
- All rights reserved 5
- Before connecting to mains power make sure that the switches are set to the configuration needed for your particular application always switch the crossover off before making substantial changes to the settings especially the range failure to do so could result in damage to the unit or other components in your system use four screws and washers when rack mounting for mobile use the unit should be further secured as appropriate 5
- General requirements 5
- Installation 5
- Operator manual xr series crossovers page 5 5
- Xr 1001 back panel 5
- Xr crossovers have specific physical electrical and signal requirements for proper operation these requirements will vary depending on your specific application setup and the settings on the unit when setting up and testing your system please take special care to double check all connections and settings please refer to the specifications section of this manual for specific input output and other figures 5
- Your xr crossover should be connected to a standard 3 wire grounded electrical outlet supplying 100 240 volts 50 60 hz to reduce the risk of ground loop hum connect all audio equipment to the same electrical power source do not remove the ac plug ground pin as a potential shock hazard could result this unit will perform normally within the ac voltage range specified above voltages less than this as found in brown out conditions may reduce performance no user serviceable parts are inside the chassis refer all servicing to qualified service personnel overall power consumption is less than 30 watts note the power switch does not isolate the appliance from mains make sure the mains power socket or an alternative disconnect device is near by and easily accessible when the product is connected to mains the line filter and the input of the fuse are energized 5
- Connecting to a sound system 6
- Page 6 operator manual xr 1001 crossover 6
- Speaker placement 6
- Typical applications 6
- Xr 1001 mono 3 way operation 6
- Xr 1001 stereo 2 way operation 6
- All rights reserved 7
- Dimensions 7
- Inches millimeters 7
- Note unshielded cables improperly wired connections and cable with broken strands shorts etc are the most common problems make sure you use good quality cable with connectors soldered firmly on the correct pin when in doubt get in touch with your ashly dealer 7
- Operator manual xr series crossovers page 7 7
- Situation action 7
- Specifications 7
- Troubleshooting 7
- Limited warranty usa only 8
- Page 8 operator manual xr 1001 crossover 8
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