M-Audio LX4 warranty Appendix A - Technical Specifications, Frequency Response 40Hz - 20kHz

Appendix A - Technical Specifications

Type: 3-way studio reference with subwoofer (2.1 System), expandable to 5.1

Subwoofer Driver: 8 inch diameter, specially-developed curved-profile pulp cone, high-temperature voice coil and damped closed cell foam surround - designed for sub-frequency pressure levels with very high efficiency and extremely low distortion

LF Driver: 4-inch dia.,magnetically-shielded with curved mineral-filled polypropylene cone, high temperature voice coil and damped closed cell foam surround

HF Driver: 1-inch dia., magnetically-shielded; specially-shaped mylar dome

Frequency Response: 40Hz - 20kHz

Crossover Frequencies: 2.9kHz and 140Hz

RMS SPL @ 1 meter: 105dB

Subwoofer Amplifier Power: 60W

Sat Amplifier Power: 27W (Five Sat Amplifiers)

Dynamic Range: >100dB

S/N Ratio: >100dB below full output, 20kHz bandwidth

Input Connectors: Six TRS balanced/unbalanced input connectors (L, R, SL, SR, C & LFE)

Polarity: Positive signal at + input produces outward low-frequency cone displacement

Input Impedance: 20k ohms balanced, 10k ohms unbalanced

Input Sensitivity, Sat: Input 100 mV pink-noise produces 90dBA output SPL @ 1meter w/ vol ctl at max setting

Input Sensitivity, LFE: input 50mV pink-noise produces 90dBA output SPL @ 1meter w/ vol cntrl at max setting

Protection: RF interference, output current limiting, over temperature, turn on/off transient, subsonic filter, external main fuse

Indicators: Green-Orange Power/Protection indicator (Back Panel). When the power switch is switched to ON, the LED will glow “Green”. When the Protection circuitry of power amplifiers is turned on , the LED will glow “Orange.” At the same time, the output level will reduce 12dB.

Power Requirements: Dual-voltage (selectable by rear-panel switch) for either 120V/~60Hz, 230V/~50Hz; powered via detachable 3-circuit line cord

Cabinets: vinyl-laminated MDF

Dimensions - L, R, SL, SR & C: 8.5” (H) x 5.75” (W) x 6.75” (D)

Dimensions - Subwoofer: 15.75” (H) x 9.75 “ (W) x 12.25” (D)

Weight - L, R, SL, SR & C: 4.5 lbs. each

Weight - Subwoofer: 21.9 lbs.

* All specifications subject to change without notice

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