Owner’s Manual
PADH21580
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Connections
Your PADH series
speaker has an extremely
flexible connection panel.
There are two Speakon jacks
as well as two ¼” jacks. You
can also hookup your speaker
cabinet using the “Quick
Connect” speaker terminals,
which accommodate either
wire leads or a banana plug.
The jacks are wired in
parallel, which allows you to
daisy chain additional
speakers. Thus you can use one amplifier channel to power multiple
speakers.
Make certain that the wires you are using are at least 12 gauge
unshielded speaker cable (the lower the number, the thicker the wire). Do
not use shielded “instrument” cables.
Hooking speakers up in parallel decreases the overall
impedance, placing a greater load on the amplifier. Check your
amplifier’s specifications to ensure that you are not overloading
the channel.
CAUTION: DO NOT USE MORE THAN ONE JACK AS AN
AMPLIFIER INPUT. DOING SO WILL DAMAGE THE SPEAKER!
Amplifier Requirements
Check the product specifications (page 5) to see the power handling
for your model. There are a couple of considerations to keep in mind when
choosing an amplifier to drive your PADH series speaker. While it is true
that an amplifier with a higher power rating can damage the drivers, under-
powering can be even more dangerous. When an amplifier is overdriven and
starts distorting, it generates transient frequencies that are much louder than
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the program material. These wayward frequencies could damage your
speaker. A proper match is an amplifier which could drive the speaker up to
the cabinet’s RMS rating, without exceeding the amplifier’s own RMS level.
Operation
When powering on your equipment, make sure the volume level on
the amplifier is turned all the way down. This is to avoid the “popping”
noise, which could damage your speaker.
The placement of speakers can be a bit tricky. Besides for the
practical considerations, there are acoustic issues as well. Avoid placing the
speaker in a corner, as this will cause the low frequencies to sound “muddy”.
Similarly, but to a lesser degree, placing the speaker directly against the wall
will exaggerate the low frequencies. You should therefore try to place your
speaker so that it is a few feet away from the wall.
High frequencies are unidirectional while low frequencies are omni
directional. Being that this is a full range enclosure, it is important that the
speaker be placed so that the high frequencies reach the intended listeners
properly. Make certain that no person or object could come to interrupt the
line-of-site between the loudspeaker and the audience.
When using more than one loudspeaker, you have to account for
phase alignment. When the speakers are close together this is not usually an
issue. However, when they are far apart, the sound from one speaker may
reach the ear a fraction of a second before the other. This will cause certain
frequencies to cancel out, resulting in a hollow sound. To avoid this, you
may have to use a delay processor to align the sound from the speakers.
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Troubleshooting
No Sound:
VCheck connections
VTry a different speaker cable
VCheck levels on amplifier
VConfirm amplifier is getting a signal (check signal LED, or use
headphone output)
Intermittent Output:
VCheck connections
VTry a different speaker cable
Weak Bass:
VCheck the polarity of the speaker connection. It may be reversed.
VListen with headphones to confirm the amplifier is being sent a good
signal.
Distorted Sound:
VCheck if the amplifier is overdriven. If it is, you will have to turn the
level down.
VMake sure you are not exceeding the RMS rating of your speaker.
Specifications
Compression
Driver
Frequency
Range
Sensitivity
(1w/1m)
Model
Woofer
RMS
Peak
Connections
Ω
Dimensions
W = 19.7“
Weight
107 lb.
Two (2)
15“
Kapton
10“ x 18“
Titanium
Super Horn
Speakon (2)
³″ (2)
—Quick Connect“
(Wire Lead & Banana)
PADH21580
20-20 kHz 700W 1400W 100 dB
8Ω D = 15.8“
H = 46“
Voice Coil Midrange/Tweeter
5
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Typical Setup
Parallel Setup
6
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Recommended Accessories
PT Series
PPJJ30
°30ft. 12 Gauge
Amplifiers
°Professional Speaker Cable
°³“ to ³“
°
°
°
Professional High-Power amplifiers
8 Models to choose from
All models rack-mountable
in standard ISO 19“ rack
PPJJ15
°Same as above 15ft.
PPSS30
°30ft. 12 Gauge
°Professional SpeakerCable
°Speakon to Speakon
PZR Series
Amplifiers
°
°
°
Professional High-Power amplifiers
3 Models to choose from
PPSS15
All models rack-mountable
in standard ISO 19“ rack
°Same as above 15ft
PPSJ30
°30ft. 12 Gauge Professional
°Speaker Cable
°Speakon to ³“
PPSJ15
°Same as above 15ft.
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