Nexo Alpha M3

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TECHNICAL SPECIFICATIONS
ALPHA SERIES USER MANUAL V1.0
DATE: 14/01/00 18:27
Alpha B1-15 / B1-18
SYSTEM SPECS
ALPHA B1-15 ALPHA B1-18
Frequency
Response [a]
Wideband: 42 Hz – 180 Hz ± 3 dB
Xover: 80 Hz – 190 Hz ± 3 dB
40 Hz – 230 Hz ± 3 dB
Usable Range @-
6dB [a]
39 Hz – 600 Hz 38 Hz – 600 Hz
Sensitivity 1W @
1m [b]
106 dB SPL 107 dB SPL Nominal
Peak SPL @ 1m
[b]
140 dB Peak 142 dB Peak
Nominal
Impedance
6 ohms (5.2 mini) 6 ohms (4.7 mini)
Recommended
Amplifiers
900 to 1200 Watts into 6 ohms 900 to 1400 Watts into 6 ohms
FEATURES
ALPHA B1-15 ALPHA B1-18
Components 1 x 15" (38 cm) 6 ohms
Folded Horn, Composite Curve
1 x 18" (46 cm) 6 ohms
Folded Horn, Composite Curve
Height x Width x
Depth
600 x 689 x 754 mm
(23 5/8" x 27 1/8 " x 29 11/16")
800 x 689 x 754 mm
(31.49" x 27 1/8 " x 29 11/16")
Shape
22.5° Trapezoid
Weight: Net 51 kg (112 Lb)
With wheel board: 58 kg (128 Lb)
69.9 kg (155 Lb)
With wheel board: 79 kg (175 Lb)
Connectors
2x 4 poles Speakon (In / Out)
1+ & 1- (Sub S2)
2+ & 2- (Bass B1)
Construction
Baltic Birch with Dark Grey carpeting, Structured Black coating painting finish also available.
Handles
2 Metal Bar Handles 4 Metal Bar Handles
Front Finish
Acoustic Foam on hex perforated steel grid (77% transparent)
Flying points
4 Flying Tracks on front (7 positions on
2° steps)
Top to bottom Steel Back plate
4 Flying Tracks on Back (Hinge fixing)
Internal top to bottom Steel links
Painted version without Flying Tracks
also available
Crossbow Flying System cabinet
Hardware:
Optional 4 Flying Tracks on Front
Internal top to bottom Steel links
Optional 2 Flying tracks on back (Hinge
fixing)
Painted version without Flying Tracks
also available
Fixed Installation
The X-BOW Flying Tracks can also receive standard Aircraft Flying Fittings.
As part of a policy of continual improvement, NEXO reserves the right to change specifications without notice.
[a] Response Curves and Data: Anechoic Far Field above 200 Hz, Half-space Anechoic below 200 Hz.
Usable Range Data: Frequency Response Capability with TD crossover slopes removed.
[b] Sensitivity & Peak SPL: will depend on spectral distribution. Measured with band limited Pink Noise.
Refers to the specified +/- 3 dB range. Data are for Speaker + Processor + recommended amplifier combinations.