The box PA 252 Manuale utente
PA 252
Professional 900-Watt PA Speaker with 2 x 15" Woofers and
1.75" Titani m-Diaphragm Compression Driver
Users manual
DATA-MANFULL_PA252_ENG_Rev_A.PMD 20.02.2006, 14:301
2
PA 252
SAFETY INSTRUCTIONS
1) Read these instr ctions.
2) Keep these instr ctions.
3) Heed all warnings.
4) Follow all instr ctions.
5) Do not se this device near water.
6) Clean only with a dry cloth.
7) Be s re to mo nt yo r speakers on a solid, stable and level base or stand. Vibrating
floors do not provide reliable s pport for speaker enclos res or stacks.
8) Do not install near any heat so rces s ch as radiators, heat registers, stoves, or other
apparat s (incl ding amplifiers) that prod ce heat.
9) Only se attachments/accessories specified by the man fact rer.
10) Use only with the cart, stand, tripod, bracket, or table specified by the man fact rer, or
sold with the device. When a cart is sed, se ca tion when moving the cart/device
combination to avoid inj ry from st mbling over it.
11) Refer all servicing to q alified service personnel. Servicing is req ired when the nit
has been damaged in any way, liq id has been spilled or objects have fallen into the device,
the nit has been exposed to rain or moist re, does not operate normally, or has been
dropped.
12) Do not block any ventilation openings. Install in accordance with the man fact rers
instr ctions.
DATA-MANFULL_PA252_ENG_Rev_A.PMD 20.02.2006, 14:302
3
PA 252
1. CONNECTIONS
Connections
Two ¼ lo dspeaker inp ts are wired in parallel. Yo can alternatively connect one
of the connectors to the o tp t on yo r power amp and tap into the signal from the
amp once again on the second connector, in order to feed this signal into an additional
lo dspeaker.
Two professional speaker inp ts (Ne trik® Speakon®-compatible) are wired in parallel.
The pin designation is pins 1+ and 1-. Yo can alternatively connect one of the
connectors to the o tp t of yo r power amp and tap into the signal from the amp once
again on the second connector, in order to feed this signal into an additional lo dspeaker.
Connector compatible to Neutrik® Speakon®
+ATTENTION: Never connect more than one power amp output to the
loudspeaker system. This may permanently damage your setup.
Speakon is a registered trademark of Neutrik Aktiengesellschaft Corporation.
DATA-MANFULL_PA252_ENG_Rev_A.PMD 20.02.2006, 14:303
4
PA 252
2. POWER AMP RATING
The power rating of yo r amp sho ld be ro ghly twice the speaker load capacity.
ATTENTION!
+When several loudspeakers are wired in parallel the overall impedance
Zges to e handled y the power amp can e calculated, as shown elow,
from the individual impedance values of the connected speakers:
Your amplifier may e damaged if the actual impedance drops elow its
input impedance. Please make sure that the calculated total impedance
Zges is not smaller than the minimum impedance specified for your amplifier.
3. WIRING
In the following example, the main o tp t signal of a mixing console is connected to a power
amplifier. Both the o tp ts and inp ts are stereo. A PA 252 is connected to each of the amp
o tp ts, and these speakers reprod ce the entire freq ency range (f ll range).
Full-range stereo operation
DATA-MANFULL_PA252_ENG_Rev_A.PMD 20.02.2006, 14:304
5
PA 252
4. SPECIFICATIONS
6<67(0'$7$ 3$
Type 2-way full-range speaker
Frequency response 45 Hz - 20 kHz
Power rating (Peak program) 900 W
Impedance 4
:
Sound pressure level (1 W @ 1 m) 98 dB (Full Space)
Dispersion 90° x 40°
Crossover frequency 2.7 kHz
Rigging/fittings 2 x ergonomically shaped handles
&20321(176
HF driver 1.75" Titanium-diaphragm compression driver
Woofer 2 x 15" (385 mm)
',0(16,216:(,*+7
(W x H x D) ca. 21.5" x 43.6" x 19.6"
(545 mm x 1108 mm x 497 mm)
Weight approx. 90.4 lbs. (41.0 kg)
Shipping weight approx. 94.8 lbs. (43.0 kg)
THOMANN MUSIKHAUS is constantl striving to maintain the highest professional standards. As a
result of these efforts, modifications ma be made from time to time to existing products without prior
notice. Specifications and appearance ma differ from those listed or illustrated.
DATA-MANFULL_PA252_ENG_Rev_A.PMD 20.02.2006, 14:305
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