Yamaha NEXO Alpha & Alpha E Series Owner's Manual download pdf (Page 20)

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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.

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Yamaha NEXO Alpha & Alpha E Series Owner's Manual Page 20

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