Ashby-8c Loa Âm Trần active Meyer Sound

Acoustical

Operating Frequency Range1   60 Hz - 18 kHz

Frequency Response2    67 Hz - 16 kHz ±4 dB

Phase Response    190 Hz - 16 kHz ± 45°

Linear Peak SPL3  106.5 dB, Pink noise

109.5 dB, B-noise

114.0 dB, M-noise

Coverage

Coverage   100° conical

Transducers

Low Frequency   One 8-in cone driver

High Frequency   One 0.75-in dome tweeter mounted concentrically

in wave guide in front of 8-in driver

Connector Panel

Audio/Power Connector    Two 5-pin female Phoenix (one input and a hard-wired loop output)

Pinout   Two pins for 48 DC power, three pins for balanced audio

Power Wiring   Pin 1: DC Power (-)

Pin 2: DC Power (+)

Audio Wiring  Pin 3: Audio shield, chassis/earth

Pin 4: Signal (-)

Pin 5: Signal (+)

LED   Displays loudspeaker status

Input

Type   Differential, electronically balanced

Impedance   10 kΩ Balanced (AC Impedance)

Nominal Input Sensitivity  -2.5 dBV (0.25 V rms, 1.00 V peak) continuous average is typically

the onset of limiting for noise and music

Where pink noise has 12dB Peak to RMS ratio

Audio Input Source   Audio source must be capable of producing  +16 dBV (6.3 V rms, 9.0 V

peak) into 600 Ω to produce the maximum peak SPL over the operating bandwidth of the loudspeaker with a sine wave.

Amplifier

Type   High efficiency Class D

Output Power4    220 W (440 W peak)

Cooling   Natural convection through the metal enclosure

DC Power

48V DC  Powered from Meyer Sound MPS-488HP Power Supply

Approved for Class 2 Wiring used in conjunction with MPS-488HP

Safety Agency Rated Operating Range5   48 V DC

Current Draw

Idle Current   0.16 A rms

Maximum Long-Term Continuous Current (>3 sec)  0.78 A rms

Maximum Instantaneous Peak Current  3.10 A peak

Meyer Sound Power Supply Required   For information and specifications on the Meyer Sound MPS-488HP

IntelligentDC external power supply, refer to its datasheet.

Compliance

Safety Agency certification:    Standard for audio, video and similar electronic apparatus:

UL 60065, CSA C22.2 NO. 60065-03 (AMD 2),IEC 60065,IEC 62368-1 Fire Rated to UL Standard 2043, Product and Accessories Installed in Air-Handling Spaces

EMC Certification:  CE and FCC Part 15  Emission Class B emission limits applied.

Maximum Cable Lengths6

Number of          Maximum Cable Length (feet) - imperial

Maximum Cable Length (meters) - metric

Speakers      12 AWG

1           1200

2*           600

14 AWG 750 375

16 AWG 475 237

18 AWG 300 150

2.5 mm2 320 160

1.5 mm2

175

87

1.0 mm2

90

45

0.75 mm2

55

27