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UPL-1 & UPL-2
High Definition
Reinforcement
Operating Instructions
Loudspeakers
Acoustical
Specifications
Frequency Response
Phase Response
Maximum SPL
Signal-to-Noise Ratio
Coverage Angle
Electrical
Input Type
Notes:
Amplifier Type
1. Subject to room loading.
Specified for 8 feet actual
distance between loud-
speaker cabinet and a single
boundary surface, measured
Crossover
with one-third octave fre-
quency resolution in fixed
ISO bands.
Power
2. Specified with grill removed.
±
Response tolerance
3 dB
Physical
with grill screen and foam in
Input Connector
place.
Power Inlet
3. U.S. patent #5,185,801 (addi-
Driver Complement
tional patent pending).
4. U.S. patent #4,152,552.
Enclosure
Unless otherwise specified, all
Finish
acoustical measurements are
Dimensions
performed at 1 meter from front
baffle on high-frequency horn
Weight
axis. Acoustical decibels are
Protective Grill
µ
specified re 20
Pa.
Rigging
Maximum
Continuous SPL
by Frequency
05.553.006.01 B
Meyer Sound Laboratories, Inc.
2832 San Pablo Avenue
Berkeley, CA 94702
1
1
UPL-1
UPL-2
Nominal Input Level
Power Output
Low Frequency
High Frequency
THD, IM, TIM
Low Frequency
High Frequency
16k
8k
4k
2k
1k
500
250
125
62
30
90
100
Continuous SPL (dB)
±2 dB from 50 Hz to 18 kHz
-3 dB at 32 Hz and 20 kHz
+60°, -0° from 120 Hz to 18 kHz
124 dB peak @ 1 meter
> 100 dB
90° horizontal by 40° vertical
60° horizontal and vertical
Electronically balanced, 10k ohms impedance
Accepts either +4 dBu or -10 dBV, switchable
Complementary power MOSFET output stages
200 watts burst capability
100 watts burst capability
< .02 %
Optimized pole-zero filter combinations to complement
transducer response and to achieve acoustical transpar-
ency and flat phase
Voltage selector switch for 100/120/220/240 VAC, 50 or
60 Hz (accepts voltages from 90 to 260 VAC), 175 W
maximum
XLR (A-3) female
3-pin IEC male receptacle
10" diameter cone (2" voice coil)
1" titanium dome horn driver (1" voice coil)
1.6 cu. ft. vented, multi-ply Finnish birch
Black textured
14" W x 20
amplifier chassis and 2" for grill frame with foam)
70 lbs (32 kg)
Perforated metal screen, grey foam covering
3
/
"-16 nut plates, top and bottom
8
110
120
© Meyer Sound, 1995.
2
3
4
3
⁄
" H x 14" D (+ 2
1
⁄
" additional depth for
4
2
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