Peavey Impulse 115 specifications Specifications, Very compact design Built-inspeaker stand-mount

SPECIFICATIONS Impulse® 115

•Very compact design

•Built-in speaker stand-mount

•Black HammerHead™ polyurethane coating

Description

The Impulse115 incorporates the new high powered Low Rider® 15" woofer and a new compact cabinet design. The Impulse 115 is a direct radiator subwoofer designed specifically for high- end pro audio users.

The new Low Rider 15" driver is a milestone in high powered subwoofer design. An incredible 1,600 Watt program rating and extra-long cone excursion provide amazingly clean, deep bass. This makes the Impulse 115 a superior choice for the bottom end of any high powered sound system, specifically large professional touring shows.

The Impulse 115 is unusually compact for its power handling, SPL output, distortion performance and bass extension. This is made possible by the specially designed Low Rider woofer.

This loudspeaker is well-braced and very stiff, as internal pressures produced by the Low Rider woofer can be very high. The vent design integrated into the enclosure includes a vertical brace to further increase enclosure stiffness.

The Impulse 115 vents a large area and a long path, allowing a large volume of air to move with very low resistance. This is important due to the huge air flow volumes that the Low Rider woofer can produce.

Its premium .720" plywood construction and tough, durable, black HammerHead polyurethane coating make this system

rugged and road-worthy. A 16-gauge powder-coated, perforated metal grille covers the front of the system to protect the speakers from external damage.

Inputs

This system features two four-pin Neutrik® jacks in parallel, an eight-pin Neutrik and a four-pin Neutrik thru jack, which provides bi-amping flexibility while maintaining superior signal integrity. The inclusion of a standard four-pin Neutrik jack in parallel allows for daisy-chaining to another cabinet when bi-amping.

Despite its compact dimensions, this system can put out extremely serious sound levels, resulting in large area coverage with excellent punch and high reliability.

Frequency response

This measurement is useful in determining how accurately a given unit reproduces an input signal. The frequency response of the Impulse 115 is measured at a distance of 1 meter using a 1 Watt swept-sine input signal into the nominal impedance. As shown in Figure 1, the Impulse 115 produces a smooth frequency response.

Power handling

There are many different approaches to power handling ratings. Peavey rates this loudspeaker system’s power handling using a modified form of the AES Standard 2-1984. Using audio band 40 Hz to 400 Hz pink noise with peaks of four times the RMS level, this strenuous test signal assures the user that every portion of this system can withstand today’s high technology music. This rating is contingent upon having a minimum 3 dB amplifier headroom.

Harmonic distortion

Second and third harmonic distortions vs. frequency are plotted in Figures 3 and 4 for two power levels: ten percent (10%) of rated input power and either one percent (1%) of rated input power or 1 Watt, whichever is greater. As shown on the graph, distortion is the difference between the fundamental signal (frequency response) and the desired harmonic. For example, a distortion curve that is down 40 dB from the fundamental is equivalent to 1% distortion.

Architectural and Engineering Specifications

The loudspeaker system shall have an operating bandwidth of 35 Hz to 1.5 kHz. The nominal output level shall be 95 dB when measured at a distance of 1 meter with an input of 1 Watt. The nominal impedance shall be 8 Ohms. The maximum continuous power handling shall be 800 Watts, with maximum program power at 1600 Watts; a peak power input of at least 3200 Watts; and a minimum amplifier headroom of 3 dB. The outside dimensions shall be 24.5" high by 21.00" wide by 26.75" deep. The weight shall be 74 lbs. The loudspeaker system shall be a model Impulse 115.

3 + 2 YEAR LIMITED WARRANTY NOTE: For details, refer to the warranty statement. Copies of this statement may be obtained by contacting Peavey Electronics Corporation, P.O. Box 2898, Meridian, Mississippi 39301-2898.