Mackie HD1521 Support Question
Mackie HD1521 Support Question
Find answers below for this question about Mackie HD1521.Need a Mackie HD1521 manual? We have 2 online manuals for this item!
Question posted by michaelnguyen213074291 on August 23rd, 2020
Thermal And Signal / Limit Leds
Why is my Thermal and Signal/Limit LEDs both lid when the unit is turned ON?
Current Answers
Answer #1: Posted by Odin on August 23rd, 2020 11:14 AM
Odin
Member since:
April 10th, 2010 Points: 41,236,670
Member since:
April 10th, 2010 Points: 41,236,670
If the temperature exceeds a safe operating level, the thermal indicator lights. The LED next to the power switch will illuminate when the unit is powered on.
Hope this is useful. Please don't forget to click the Accept This Answer button if you do accept it. My aim is to provide reliable helpful answers, not just a lot of them. See https://www.helpowl.com/profile/Odin.
Related Mackie HD1521 Manual Pages
Owner's Manual - Page 1
HD1521
2-Way High-Definition Powered Loudspeaker
OWNER'S MANUAL
Owner's Manual - Page 2
...110
0.25 or less 115
Typical Example
Duo in excess of time. HD1521
Important Safety Instructions
1. Keep these instructions.
2. Clean only with
WARNING
the...designed with the
manufacturer's instructions.
8.
These limits are provided for your outlet, consult an ...equipment in order to correct the interference by turning the equipment off and on or pinched particularly ...
Owner's Manual - Page 3
... safety considerations be heard to the equipment, personal injury, or death. SW0739 Rev.
THERMAL CONSIDERATIONS
9
• Installation: Use personnel experienced and qualified for horizontal and verti- ...be believed.
Owner's Manual
22. HD1521 GRAPHS AND DIMENSIONS
14
HD1521 LIMITED WARRANTY
15
Introduction
Features
The HD1521 Powered Loudspeaker represents the first step ...
Owner's Manual - Page 4
...
+6dB
Left Right line level line level output output
-6dB
+6dB
-6dB
+6dB
1202-VLZ3
Mixer
To Next Speaker
-6dB
+6dB
HD1521 reproduces all frequencies
above the subwoofer's crossover point
Daisy-Chaining MULTIPLE HD1521 s
HD1521 reproduces all frequencies
above the subwoofer's crossover point
Line-level Hi-pass output
Pole Mount
Power Cord
Line-level...
Owner's Manual - Page 5
...male XLR-type connector that produces
exactly the same signal that the EQ is connected to the main in 3-band EQ allows the HD1521 to help compensate for poor room acoustics, boost ...application. The LED next to the switch will light to indicate that is on. Use it to +3
3 dB of needs.
3. MID
This knob allows up to daisy-chain several HD1521's together
off the same signal source.
Owner's Manual - Page 6
... the input signal is -3
a shelving EQ.
20Hz
100Hz
1kHz
10kHz 20kHz
8. Don't do it blinks frequently or lights continuously, turn trips the thermal protect circuitry and interrupts the performance. This is muted to allow the amplifiers to the switch.
10. The HD1521 has a built-in limiter that monitors the internal temperature of your unit (listed above...
Owner's Manual - Page 7
... frequencies, if so desired.
• Avoid placing the speakers directly on the bottom of the sound system.
• Highly reverberant rooms, like many gymnasiums and auditoriums, are closer to reproduce the input signal as accurately as the comb-filtering effects (caused by -side. The HD1521 may be absorbed much as possible. As the...
Owner's Manual - Page 8
...Vertically
Top Fly Points
Lower Rear Fly Point (adjusts angle)
HD1521 The design factor for and the required WLL (Working Load Limit) for rigging via its implementation.
3. WARNING: Installation should only...The cabinet is installed in a stable and secure way in damage to suspend the HD1521 by an experienced technician. The rigging methods and hardware that meet static, shock, ...
Owner's Manual - Page 9
...HD1521's intergral mounting points are designed to the hardware integral with the loudspeaker.
Never remove the ground pin on the line, the louder the speakers...HD1521) to angle control only. This results in thermal switch will activate, muting the signal and lighting the thermal LED... efficiently, it .
If the thermal switch activates frequently, try turning down to 80% of any...
Owner's Manual - Page 10
...
• Is the thermal indicator lit red on ...United States can be blown.
Service for the input source turned....
• Is the power LED on or a Processor loop engaged...speaker.
• Make sure the mixer does not have a Mute on the rear panel glowing green? The distance between
10
HD1521...signal source working?
If you suspect the AC line fuse is live (check with the HD1521...
Owner's Manual - Page 11
... the input jack, and patch that accepts a balanced line-level signal. A general rule is a limit to the AES standards listed above. Since microphones typically have a higher output impedance, you to two HD1521s. Appendix B: Connections
"XLR" Connectors
The HD1521 has one female XLR input that speaker's loop out jack to prevent excessive loading on the source...
Owner's Manual - Page 12
... steel
Fly Points
Twelve M10 x 1.5 mm
12
HD1521 HD1521
Appendix C: Technical Information
HD1521 Specifications
Acoustic Performance:
Frequency Response (-10 dB) Frequency... Ferrite
Safety Features
Input Protection:
Display LEDs:
RMS limiting, power supply and amplifier thermal protection
Power ON, EQ ON, Sig/Limit, Thermal protection, Front Power ON
Low-Frequency ...
Owner's Manual - Page 13
... equipment for more information.
HD1521 Block Diagram
Signal / Limit LED
HD
Digital to
Loudspeaker
Limiter
Analog
Amp
HF
3-Band Contour EQ
Processing
Converter
Input XLR
Level Control
Analog to Digital
Converter
Mute
LO
MID
HI
80 100-8K 12K
Loop Out XLR
HD
Digital to
Loudspeaker
Limiter
Analog
Amp
LF
Processing
Converter
Thermal Monitoring
Correct disposal of...
Owner's Manual - Page 14
...100
1000
Horizontal 2/0V0e0rt0ical
1
Frequency (Hz1)00
1000
20000
Frequency (Hz)
HD1521 Beamwidth vs. Frequency 360
HD1521 Directivity vs. Frequency
Directivity Index (dB)
Beamwidth (Degrees)
360
100
20
...Frequency (Hz)
20000
100 10 1 20000
Directivity Index (dB)
20 20
Directivity Index (dB)
HD1521 Dimensions
10
10
1 20
30.0 in/ 762 mm
1 20
100
1000
Frequency (Hz)
...
Owner's Manual - Page 15
... representative will need it to products purchased in a safe place. Owner's Manual
15 Owner's Manual
Mackie Limited Warranty
Please keep your sales receipt in the United States or Canada through Friday, normal business hours, PST).
This Limited Product Warranty ("Product Warranty") is provided by the distributor in materials and workmanship under normal use...
Owner's Manual - Page 16
16220 Wood-Red Road NE • Woodinville, WA 98072 • USA United States and Canada: 800.898.3211 Europe, Asia, Central and South America: 425.487.4333 Middle East and Africa: 31.20.654.4000 Fax: 425.487.4337 • www.mackie.com E-mail: [email protected]
Spec Sheet - Page 1
...
■ Ultra-compact and lightweight
■ Integrated limiting and protection circuitry
■ Rugged all horn-loaded systems...neodymium magnet for common room anomalies.
Standard M-10 eyebolts allow the HD1521 to all wood cabinet (15mm birch plywood)
■ 12 ... The 15mm birch plywood enclosure is understated and the front LED can occur due to 95% efficiency and, along with ...
Spec Sheet - Page 2
...dB @ 80 Hz (6 dB / octave) ±3 dB, 100 Hz to 10 kHz
Directivity Factor; HD1521 SPECIFICATIONS
Acoustic Performance
Frequency Response (-3 dB)
50 Hz - 18 kHz
Frequency Range (-10 dB) Horizonal Coverage... paint
Handles
One on each side
Grille
Powder coated galvanized steel
Display LEDs
Power ON, EQ ON, Sig/Limit, Thermal protection, Front Power Light ON
Fly Points
Twelve M10 x 1.5 mm...
Spec Sheet - Page 6
HD1521 HIGH-DEFINITIONPOWERED LOUDSPEAKER
HD1521 BLOCK DIAGRAM
Signal / Limit LED
HD
Digital to
Loudspeaker
Limiter
Analog
Amp
HF
3-Band Contour EQ...
HD1521_OM.PDF
EASE Data
HD1521_EASE_DATA.zip
Since we reserve the right to
Loudspeaker
Limiter
Analog
Amp
LF
Processing
Converter
Thermal Monitoring
HD1521 FLY POINTS
Two per side
12 Fly Points
Two on the rear
Flown ...
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