Peavey PV 1015 D Manuel D'utilisation page 22

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The amplifier in the PV 1015D is equipped with DDT and an LED indicator to show that DDT has engaged. If the
sound seems heavily compressed, check this indicator; if it is blinking RED more than occasionally, then the
drive level from the mixer (or the level control on the PV 1015D) needs to be reduced.
When first turning on the sound system, switch on all upstream electronics first, then the PV 1015D with its level
control fully counterclockwise (all the way down). Begin checking levels with the mixer output level controls all
the way down, and bring them up slowly with the PV 1015D level control set to the desired setting (one-third of
the way up is recommended as a starting point).
Using the SPEAKER OUT jack
The PV 1015D has a SPEAKER OUT, a 1/4" phone jack output on the rear panel. An external full-range passive
speaker system (such as a PV 1015) can be connected to this jack, and powered by the internal amplifier. This
external speaker must be an 8-ohm impedance or higher. YOU CANNOT CONNECT A 4-OHM SPEAKER TO THIS
JACK. IT WILL CAUSE THE AMPLIFIER TO SHUT DOWN. Impedances lower than 8 ohms nominal are not allowed.
For best results when using this jack, the external speaker connected to it should be of a similar sensitivity to
the PV 1015D, which has a sensitivity around 95 dB for 1w/1M. If the external speaker has a higher sensitivity, it
will play louder than the PV 1015D, and make it hard to balance the sound in the room. If the external speaker
has a lower sensitivity, then it will play softer than the PV 1015D does at any given Level setting.
Another consideration is to place the external speaker as far away as practical, to increase the overall coverage
of the room, and to minimize the interference patterns that occur when two loudspeakers are near one another
and radiating the same signal. Placing the external speaker at least 20-25 feet away from the PV 1015D would
be a good practice. This would correspond to an example of having the PV 1015D on one side of a room, and the
external speaker on the other side.
USE WITH A PASSIVE ADD-ON SUBWOOFER
Non-powered subwoofers that have a built-in high-frequency roll-off (often referred to as "add-on" subwoofers),
can also be used with this output, as long as the nominal impedance is 8 ohms or above.
The PV 118 Sub is in this category, and can be used with this output jack. Normally, the closer to the PV 1015D
the Sub is placed, the better it will work WITH the PV 1015D to increase bass output. Since the PV118 Sub has
a built-in pole guide for placing a pole stand for the PV 1015D, this makes use of a PV 118 Sub a natural for use
with the PV 1015D.
Use of the PV 1015D with a powered Subwoofer
Powered subwoofers often have a built-in electronic crossover to allow a high-pass filtered signal (lows rolled-off)
to be sent to the upper range speaker. The PV 118D Sub is such a subwoofer. When using the PV 1015D with this type
of powered subwoofer, first run the signal from the mixer or signal source to the powered sub input, then come out
of the combo jack labeled "THRU/HPF" and send that signal to the PV 1015D input jack. On the PV 118D Sub, the
button to the far left labeled THRU/HPF should be pushed in to engage the high-pass filter (HPF). On other powered
subwoofers, if they have a similar high-pass filter function, then send the signal in and out of the subwoofer
according to the manufacturer's instructions, which should be similar to the instructions as outlined above.
Use of the PV 1015D with a Speaker Stand
The PV 1015D has a stand mount cup on the bottom so that the system can be stand mounted on a standard 1 3/8"
(36mm) diameter stand pole.
When using stands or poles, be sure to follow these precautions:
A. Check the stand or pole specs to make sure that it can support the weight of the PV 1015D (56 lbs./25.4 kg), and
observe all safety precautions stated by the stand manufacturer, including the maximum height the stand is rated for.
B. Always place the stand on a flat, level and stable surface, and be sure to fully extend the stand legs as per
the stand manufacturer's instructions.
C. Try to make sure that the stand legs are oriented for the least danger of tripping to those in the vicinity of the
stand. Never block a doorway or hallway with the legs of a stand.
D. Try to route cables so that people will not trip over them, or tip over the speaker. Use of duct tape, cable
channels or guards, or other appropriate tie-down/cover up devices should be carefully considered and
implemented.