UPJ-1P Loa nguồn điểm 10" Meyer Sound

ACOUSTICAL1

Operating Frequency Range2

55 Hz - 20 kHz

Frequency Response3

66 Hz - 18 kHz ±4 dB

Phase Response

750 Hz - 18 kHz ±45°

Linear Peak SPL4

125 dB with 18 dB crest factor (M-noise),  122.5 dB (Pink noise), 125 dB (B-noise)

COVERAGE5

80° x 50° (rotatable horn)

TRANSDUCERS

Low Frequency

One 10-inch cone driver with neodymium magnet; 4 Ω nominal impedance

High Frequency

One 3-inch diaphragm compression driver; 16 Ω nominal impedance

AUDIO INPUT

Type

Differential, electronically balanced

Maximum Common Mode Range

±15 V DC, clamped to earth for voltage transient protection

Connectors6

XLR 3-pin female input with male loop output; optional 5-pin XLR connectors accommodate both balanced audio and RMS signals

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)7

Case: Earth ground and chassis

Nominal Input Sensitivity

0 dBV (1.0 V rms) continuous is typically the onset of limiting for noise and music

Input Level

Audio source must be capable of producing of +20 dBV (10 V rms) into 600 Ω to produce the maximum peak SPL over the operating bandwidth of the loudspeaker.

AMPLIFIER

Type

Two-channel complementary MOSFET output stages (class AB/bridged)

Total Output Power7

550 W peak

THD, IM, TIM

< 0.02%

Cooling

Forced air cooling over amplifier heat sink

AC POWER

Connector

powerCON 20 input with loop output

Automatic Voltage Selection

90–264 V AC

Safety Rated Voltage Range

100–240 V AC, 50–60 Hz

Turn-on and Turn-off Points8

90 V AC turn-on, no turn-off; internal fuse-protection above 265 V AC

CURRENT DRAW

Idle Current

0.41 A rms (115 V AC); 0.33 A rms (230 V AC); 0.42 A rms (100 V AC)

Maximum Long-Term Continuous Current (>10 sec)

3.2 A rms (115 V AC); 1.6 A rms (230 V AC); 3.7 A rms (100 V AC)

Burst Current (<1 sec)

5 A rms  (115 V AC); 2.5 A rms (230 V AC); 5.8 A rms (100 V AC)

Maximum Instantaneous Peak Current

17 A pk (115 V AC); 8.5 A pk (230 V AC); 20 A pk (100 V AC)

Inrush Current

15 A pk (115 V AC); 13 A pk (230 V AC); 15 A pk (100 V AC)

RMS NETWORK (OPTIONAL)

Equipped with two-conductor twisted-pair network, reporting all operating parameters of amplifiers to system operator’s host computer.