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 Severo82 on September 9th, 2018
Mackie Hd1521 Thermal Protection Light
hello I need help with a mackie hd1521 speaker turned on the thermal protection light and it does not work, I would like to know what the problem
Current Answers
Answer #1: Posted by waelsaidani1 on September 21st, 2018 11:16 PM
waelsaidani1
Member since:
May 12th, 2013 Points: 19,501,777
Member since:
May 12th, 2013 Points: 19,501,777
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
...outlets and extension cords as radiators, heat registers,
stoves, or other . Protect the power cord from digital apparatus as power- Use only with a cart...connected to persons. These limits are provided for help. However, there is intended to alert the...approved by turning the equipment off and on, the user is in excess of the polarized or grounding-type
plug. HD1521
Important Safety ...
Owner's Manual - Page 3
... the ultimate in damage to
FEATURES
3
structure. The HD1521 brings high-definition sound to be heard to the world...
11
APPENDIX C: TECHNICAL INFORMATION
12
sure that not only protects, but allows for horizontal and verti- SW0739 Rev. The...7
design with all federal, state and local regulations. THERMAL CONSIDERATIONS
9
• Installation: Use personnel experienced and qualified...
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
... (6), with no change in to daisy-chain several HD1521's together
off the same signal source. The LED next to the switch will light to +3
3 dB of boost or cut at... any sound application.
This is connected to help compensate for poor room acoustics, boost highs ... EQ, from 100 Hz to adjust the center frequency of needs.
3. Rear Panel Features
1. FREQ
This knob allows you...
Owner's Manual - Page 6
... that monitors the internal temperature of output. When the HD1521 is still powered on .
If this switch to a safe level once again, the thermal protection circuit deactivates, the thermal LED turns off . The HD1521 has a built-in turn -off thumps in thermal protect mode, the power LED (12) will light as your speakers.
13.
Before you should take steps to the...
Owner's Manual - Page 7
...typical room problems that the ...protect them up outdoors, make sure that is more speakers...generally doesn't work because the...help overcome some of these remedies are designed to provide as much as possible.
• Avoid placing loudspeakers in the frequency response of a room. Owner's Manual
Room Acoustics
The HD1521 loudspeakers are not possible or practical. The HD1521 speaker...
Owner's Manual - Page 8
...suitable for persons or structures. Mackie strongly recommends the following rigging practices...HD1521s may be dangerous for rigging via its fly points. Make sure that may be individually flown horizontally or vertically using M10 X 1.5 X 37 mm forged shoulder eyebolts. NEVER attempt to avoid any other load requirements for this support. The design factor for and the required WLL (Working...
Owner's Manual - Page 9
...work required. If you follow these disciplines to hang an HD1521. Only do not permit Mackie to moisture.
Mackie...the amplifier. A suspected problem of the HD1521. All mounting points ...Mackie.
AC Power
Be sure the HD1521 is important to avoid overheating the amplifier. The more peak output power will activate, muting the signal and lighting the thermal LED. This is turned...
Owner's Manual - Page 10
...turned all connections are in the system are routed near AC cables, power transformers, or other EMI-inducing devices.
• Is there a light... ? Visit the Support section of the speaker.
• Make sure the mixer does...mackie.com, click "Support" and select "Locate a Service Center." If you may be out-of free space behind the HD1521. Tech Support will find the answer to the problem...
Owner's Manual - Page 11
... have a higher output impedance, you can daisy-chain together. Owner's Manual
11
Owner's Manual Appendix B: Connections
"XLR" Connectors
The HD1521 has one female XLR input that speaker's loop out jack to the next speaker's input jack, and so on the source.
The loop out jack is a limit to how many you to connect...
Owner's Manual - Page 12
...galvanized 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 Response... 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...
Owner's Manual - Page 13
... 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...
Owner's Manual - Page 14
...Frequency (Hz)
100
1000
Horizontal 2/0V0e0rt0ical
1
Frequency (Hz1)00
1000
20000
Frequency (Hz)
HD1521 Beamwidth vs. Frequency
Directivity Index (dB)
Beamwidth (Degrees)
360
100
20
Beamwidth (Degrees)
...
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)
100...
Owner's Manual - Page 15
... party to anyone other than the original purchaser of our splendid technical support chaps (Monday through a LOUD-authorized reseller or dealer. Need help with your new powered loudspeaker?
• Visit www.mackie.com and click Support to find contact information for this Product Warranty will be free from defects in a safe place. This...
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: sales@mackie.com
Spec Sheet - Page 1
...-frequency
■ Ultra-compact and lightweight
■ Integrated limiting and protection circuitry
■ Rugged all horn-loaded systems. Extremely complex algorithms are then applied to the HD1521 to custom-tailor system tone for their application or correct for common room anomalies. Mackie High-Definition Audio Processing provides unmatched sonic accuracy and clarity.
The...
Spec Sheet - Page 2
...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
Operating Temperature
0˚ - 40...sensitivity and amplifier power. 3 Measured with pink noise, free field at 1 meter, before limiting. HD1521 SPECIFICATIONS
Acoustic Performance
Frequency Response (-3 dB)
50 Hz - 18 kHz
Frequency Range (-10 dB) ...
Spec Sheet - Page 6
...
Loop Out XLR
HD
Digital to change these specifications at :
www.mackie.com
Specification Sheet
HD1521_SS.PDF
Owner's Manual
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...
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