Altec Lansing Industrial Professional Sound Products Spec site

ALTEC LANSING INDUSTRIAL PROFESSIONAL SOUND PRODUCTS MICROPHONE LIST

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AL40ND Instrument/Vocal SuperCardioid Neodymium Dynamic Microphone

 

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1597B Passive Monitor Panel

KEY FEATURES
• Maximum Positioning Flexibility
• Broad Rising Presence Peak
• Open Transparent Sound
• Large Reinforced Diaphragm
• Reduced Proximity Effect

PRIMARY SPECIFICATIONS
Frequency Response,
Close Response: 30 to 22,000 Hz
Far Response: 60 to 22,000 Hz

Polar Pattern: SuperCardioid

Open Circuit Voltage 3.1 mV/Pascal @ 1000 Hz

Sensitivity: -51 dB
(where 0 dB = I mW/10 dynes/cmZ)

Dynamic Range: 144 dB

Equivalent
Output Noise: 14 dB
(0 dB = .0002 dyne/cm2)

Impedance: 150 ohms balanced(Lo-Z)

Weight: 6.7 ounces(190 grams)

Dimensions,
Height: 4.55 inches(] 15 mm)
Diameter: 2.85 inches(72 mm)
Shank: 2.75 inches(70 mm)

The Altec Lansing AL40ND is a supercardioid dynamic microphone utilizing a revolutionary neodymium alloy magnet with four times the power potential of conventional microphone magnets. With a computer optimized design, the AL40ND magnet structure provides unprecedented sensitivity while the more uniform magnetic field lowers distortion during peak sound pressure levels.
The AL40ND represents a radical departure from conventional vocal/instrument microphone designs. The unique pivoting yoke configuration allows maximum flexibility in positioning the microphone near a sound source.
The large diaphragm contains 50 percent more surface area than conventional designs and is-" reinforced to prevent "breakup." The result is an extended high-frequency response with an open, transparent sound quality.
The exceptional sensitivity of the AL40ND combined with the inherently low noise of a dynamic transducer insures a superior signal-to-noise ratio ready for digital recording and sampling. To further reduce noise, a highly effective hum-bucking coil is used to cancel hum from lighting and other sources.
The AL40ND microphones utilizes an advanced vibration-isolation material. This unique foamed elastomer specifically formulated for vibration control. A foam pop filter is included to reduce both wind noise and "P-pop" breath sounds.
The uniform supercardioid polar pattern of the AL30ND insures superior gain-before-feedback in live applications and better isolation in the studioat all frequencies-compared with other directional microphones with widely varying polar characteristics.



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