Altec Lansing DX1012-8A dimensions Impedance, Architects & Engineers Specification

ARCHITECTS & ENGINEERS SPECIFICATION

The loudspeaker system shall be a two-way multi-purpose type consisting of a 12 inch / 300mm Duplex® loudspeaker component with a 1.4" exit throat compression driver and conical horn. The crossover network shall be a dual- section, 12 dB/octave slope low pass and 12 dB/octave slope high pass with an electro-acoustic crossover frequency of 1,500 Hz. The loudspeaker system shall have an operating bandwidth of 70 Hz - 16 kHz with a sensitivity of 97 dB when measured at a distance of one meter. The power handling capability shall be 300 W AES (1,200 W peak). Nominal impedance shall be 8.0 ohms with a minimum impedance of 6.1 ohms at 190 Hz. The loudspeaker shall have nominal coverage angles of 90 degrees in the horizontal plane and 90 degrees in the vertical plane. The unit shall be a Vented Enclosure,

Frequency Response

	110
Pa)	100
20	90
(ref:
dB SPL	80
	70
	60	50	100	200	500	1 k	2 k	5 k	10 k	20 k
	20

Frequency (Hz)

					Impedance
	100
	50
	30
	20
)
(	10
Z
	5
	3
	2
	1	50	100	200	500	1 k	2 k	5 k	10 k	20 k
	20

Frequency (Hz)

constructed of 18 mm Poplar plywood painted grey or white with a cloth covered metal grille. The cabinet shall include integral suspension points. Forged shoulder machinery eye bolts shall be included to facilitate the suspension of the speaker system. The dimensions shall be

22.00inches high by 18.75 inches wide by 15.00 inches deep. The loudspeaker system shall weigh 55 pounds (25.0 kg). The loudspeaker system shall be the Altec Lansing Professional model DX1012-8AG (charcoal grey) or DX1012-8AW (white).

					Beamwidth
	360
	300
(Degrees)	180
	140
	100
Beamwidth	80
	60
	40	Horizontal
	30
		Vertical
	20	50	100	200	500	1 k	2 k	5 k	10 k	20 k

Frequency (Hz)

Q & Directivity Index

100									20
Q									Di
10									10
1	50	100	200	500	1 k	2 k	5 k	10 k	0
20									20 k

Frequency (Hz)

Harmonic Distortion : 1% Rated Power

	110
	100
Pa)	90
20	80
(ref:	70
dB SPL	60
	50
	40
	30	50	100	200	500	1k	2k	5k	10k	20k
	20
					Frequency (Hz)			2nd Harmonic

Harmonic Distortion : 10% Rated Power

	120
	110
Pa)	100
20	90
(ref:	80
dB SPL	70
	60
	50
	40	50	100	200	500	1k	2k	5k	10k	20k
	20
					Frequency (Hz)			2nd Harmonic

3rd Harmonic 3rd Harmonic