Meyer Sound UPA-2C - Manual (Page 2)

Acoustical – UPA-2C/M-1A System
Frequency Response
1 80 to 18,000 Hz +4 dB
-6 dB at 60 Hz and 18 kHz
Maximum SPL 2
Continuous 125 dB
Peak 132 dB
Peak Music 132 dB
HF Coverage
Horizontal 45 degrees
Vertical 45 degrees
UPA-2C Loudspeaker
Transducers
Low Frequency MS-12 12-inch cone driver, 8 ohms nominal
High Frequency MS-1401B 1.4-inch throat driver, 16 ohms nominal
High Frequency Horn Aspherical waveguide
HF Network Y-1PD
Function DC blocking and damped band-elimination filter
Enclosure 0.8 cu. ft. vented, multi-ply Finnish birch
Finish Black textured, weather protected (optional)
Protective Grill Perforated steel screen, charcoal-grey foam covering
Connector EP-4 male (EP-5 male, Europe only)
Rigging Aircraft pan fittings, or 3 ⁄ 8 "-16 or M10 x 1.5 nut plate
Physical Dimensions 14 1 ⁄ 2 " W x 22 3 ⁄ 8 " H x 14 1 ⁄ 2 " D
Weight 67 lbs. (30 kg)
M-1A Control Electronics Unit
Input Type
Balanced (active), 47K ohms
Output Type Active push-pull, will drive 600 ohms
Maximum Input/Output Level
Balanced +26 dBu
Unbalanced +20 dBu
Hum and Noise 3 -90 dBV
Dynamic Range 120 dB
Sense Inputs 10k ohms true differential, opto-isolated
Crossover Frequency 1600 Hz
Low Frequency Delay Type Active all-pass
Driver Protection Circuitry
Low Frequency RMS limiter
High Frequency RMS limiter
VHF Peak limiter
Indicators
Sense; Hi and Lo Green LEDs
Limit; Hi, Lo, and VHF Red LEDs
Safe Green LED
Power Supply, Positive and Negative Green LEDs
Controls
Front Panel Input level control, AC on/off switch
Preset Panel VHF control, Lo Cut switch, Safe switch and VHF switch
Connectors
Balanced Inputs/Outputs 3-pin XLR (A-3), RTS 1 ⁄ 4 " phone jacks
Subwoofer Circuit Input Unbalanced, 1 ⁄
4
" phone jack (inserts Lo Cut,
disables Level control)
Sense Inputs Banana jacks
UPA-2C Specifications
Note 1:
Measured 1 meter from center
of cabinet face, half-space
conditions, pink noise input,
network set to FLT, with one-
third octave frequency resolu-
tion on ISO center frequen-
cies. Low frequency response
dependent on load conditions.
Note 2:
Loudspeaker driven with
amplifier rated at 350 W/ch at
8 ohms, pink noise input.
Note 3:
“A”- weighted, unbalanced.