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UPA-2P : Compact Narrow Coverage Loudspeaker

The UPA-2P loudspeaker provides high power output, low distortion, and consistent polar response in a compact, vented two-way enclosure. The loudspeaker features a 12-inch cone low-frequency driver and a 3-inch-diaphragm compression driver coupled with a 45-degree symmetrical high-frequency horn. The versatile UPA-2P has many sound reinforcement applications, as a main front-of-house loudspeaker in smaller venues (as a stand-alone set or in arrays), as a delay or fill loudspeaker in larger systems, and more.

The UPA-2P is distinguished by the extraordinarily smooth and predictable behavior of its proprietary horn. Uniformly predictable polar behavior takes much of the guesswork out of system design, and ensures arrays that exhibit minimal destructive interference.

Each driver is individually powered by a dedicated channel of the proprietary class AB/bridged amplifier with complementary MOSFET output stages. Total power is 550 watts. The incoming audio signal is processed through an electronic crossover and correction filters for flat phase and frequency response as well as for driver protection. Phase-corrected electronics ensure flat acoustical amplitude and phase response, resulting in exceptional impulse response and precise imaging.

Audio input modules accommodate a range of applications. The standard version offers looping XLR input and output connectors, while an enhanced looping version adds polarity switching (the looping output is not affected) and input attenuation (0 dB to -18 dB).

The durable trapezoidal enclosure is covered with a black textured hard-shell finish. A protective hex-stamped steel grille and charcoal grey foam cover are included. Standard rigging points are four ring and stud pan fittings (two on top and bottom) with a load rating of 420 lbs (190.51 kg) at a 5:1 safety factor. The optional 30-degree rigging frame, mounting yoke and pole mount adapters allow fast, flexible installation and easy aiming.



Operating Frequency Range1                                         60 Hz - 18 kHz

Frequency Response2                                                       80 Hz - 17 kHz ±4 dB

Phase Response                                                                    600 Hz - 16 kHz ±35°

Maximum Peak SPL3                                                          133 dB

Dynamic Range                                                                      >110 dB



Horizontal                                                                                 45°

Vertical                                                                                      45°



Frequency                                                                                 1000 Hz



Low Frequency                                                                       One 12" cone driver

Nominal impedance: 2Ω

Voice coil size: 3"

Power-handling capability: 400 W (AES)5


High Frequency                                                                       One 3" compression driver

Nominal impedance: 16Ω

Voice coil size: 3"

Diaphragm size: 3"

Exit size: 1.4" throat

Power-handling capability: 100 W (AES)5


Audio Input:

Type                                                                                               Differential, electronically balanced

Maximum Common Mode Range                                      ±15 V DC, clamped to earth for voltage transient protection

Connectors                                                                                  Female XLR input with male XLR loop output or VEAM all-in-one

(integrates AC, audio and network)

Input Impedance                                                                     10 kΩ differential between pins 2 and 3

Wiring                                                                                           Pin 1: Chassis/earth through 220 kΩ, 1000 pF, 15 V clamp network to

provide virtual ground lift at audio frequencies

Pin 2: Signal +

Pin 3: Signal - (optional polarity reversal switch)6

Case: Earth ground and chassis

DC Blocking                                                                                 Differential DC blocking up to maximum common mode voltage

CMRR                                                                                            >50 dB, typically 80 dB (50 Hz – 500 Hz)

RF Filter                                                                                       Common mode: 425 kHz; Differential mode: 142 kHz

TIM Filter                                                                                    <80 kHz, integral to signal processing

Nominal Input Sensitivity                                                    0 dBV (1 V rms, 1.4 V pk) continuous average is typically the onset of

limiting for pink noise and music

Input Level                                                                                 Audio source must be capable of producing a minimum of +20 dBV

(10 V rms, 14 V pk) into 600 Ω to produce maximum peak SPL over

the operating bandwidth of the loudspeaker



Type                                                                                               Two-channel complementary MOSFET output stages (class


Output Power7                                                                          550 W total

THD, IM, TIM                                                                             <.02 %

Load Capacity                                                                            2 Ω low channel, 16 Ωhigh channel

Cooling                                                                                         Convection; 24 V DC output for optional external fan


AC Power:

Connector                                                                                   PowerCon or VEAM

Voltage Selection                                                                     Automatic, continuous range from 90 V AC to 265 V AC

Safety Agency Rated Operating Range                           100 V AC - 240 V AC; 50/60 Hz

Turn-on and Turn-off Points8                                            90 V AC on, no turn-off, only fuse-protect above 265 V AC

Current Draw:  Idle Current                                               0.25 A rms (115 V AC); 0.13 A rms (230 V AC); 0.3 A rms (100 V AC)

Max Long-Term Continuous Current (>10 sec)         2.8 A rms (115 V AC); 1.4 A rms (230 V AC); 3.2 A rms (100 V AC)

Burst Current (<1 sec)                                                           3.2 A rms (115 V AC); 1.6 A rms (230 V AC); 3.7 A rms (100 V AC)

Ultimate Short-Term Peak Current Draw                      5.0 A pk (115 V AC); 2.5 A pk (230 V AC); 5.8 A pk (100 V AC)

Inrush Current                                                                         <9 A pk (115 V AC and 230 V AC)



1. Recommended maximum operatingfrequency range. Response depends on loading conditions and room acoustics.
2. Free field, measured with 1/3 octave frequency resolution at 4 meters.
3. Measured with music at 1 meter.
4. At this frequency, the mid- and high-frequency transducers produce equal sound pressure levels.
5. Power handling is measured under AES standard conditions: transducer driven continuously for two hours with band-limited noise signal having a 6dB peak-average ratio.
6. Two additional input module options are available with a polarity reversalswitch and an attenuator (0 dB to -18 dB): one looping and one with two inputs for mono summing.
7. Amplifier wattage rating based on the maximum unclipped burst sine-wave rms voltage that the amplifier will produce into the nominal load impedance. Low channel 30 V rms (42 V pk) into 2 ohms; high channel 32 V rms (45 V pk) into 16 ohms.
8. No automatic turn-off voltages. Voltages above 265 V AC are fuse protected but may cause permanent damage to the power supply. Voltages below 90 V AC may result in intermittent operation.