Yamaha NEXO Alpha & Alpha E Series Owner's Manual download pdf (Page 21)

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TECHNICAL SPECIFICATIONS

ALPHA SERIES USER MANUAL V1.0

DATE: 14/01/00 18:27

Alpha M3 / M8

SYSTEM SPECS

ALPHA M3 ALPHA M8

Frequency

Response [a]

190 Hz – 19 kHz ± 3 dB 190 Hz – 19 kHz ± 3 dB

Usable Range @-

6dB [a]

150 Hz – 20 kHz 150 Hz – 20 kHz

Sensitivity 1W @

1m [b]

110 dB SPL 108 dB SPL

Peak SPL @ 1m

[b]

145 dB Peak 143 dB Peak

Dispersion [c]

35° x 35° 75° x 45° (HF Horn Rotatable)

Directivity: Q & DI

[c]

Q = 32 – DI = 15 dB (Nominal f > 630

Hz)

Q = 20 – DI = 13 dB (Nominal f > 630

Hz)

Nominal

Impedance

MF: 12 ohms (15.5 min)

HF: 12 ohms (8.0 min)

MF: 12 ohms (15.5 min)

HF: 12 ohms (8.0 min)

Recommended

Amplifiers

MF: 650 to 900 Watts into 12 ohms

HF: 350 to 500 Watts into 12 ohms

MF: 650 to 900 Watts into 12 ohms

HF: 350 to 500 Watts into 12 ohms

FEATURES ALPHA M3 ALPHA M8

Components

MF: 2 x 10" (24 cm) 8 ohms 3” Coil Drivers; Dual Ring Phase Plugs

HF: 1 x 3’’ Neodynium Driver, Titanium diaphragm

Coaxial mounted wave guide

Height x Width x

Depth

600 x 689 x 754 mm Carpet version

(23 5/8" x 27 1/8 " x 29 11/16")

Shape 22.5° Trapezoid

Weight: Net

57 kg (126 Lb)

With wheel board: 64 kg (141 Lb)

2 x 8 poles Speakon (In / Out)

1+ & 1- (Sub S2)

2+ & 2- (Bass B1)

3+ & 3- (MF)

4+ & 4- (HF)

Connectors

1 x 4 poles Speakon (to B1 & S2)

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

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

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.

[c] Directivity Curves and Data: 1/3 octave smoothed frequency response, normalised to On-Axis response.

Data obtained by computer processing on off-axis response curves.

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Yamaha NEXO Alpha & Alpha E Series Owner's Manual Page 21

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