Amplitude Response (1W 1m On-Axis) - Peavey.com · Amplitude Response (1W 1m On-Axis) Figure 1 EQ...

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Transcript of Amplitude Response (1W 1m On-Axis) - Peavey.com · Amplitude Response (1W 1m On-Axis) Figure 1 EQ...

Crossover Slope:12 dB/octave (2nd order) low pass, 12 dB/octave (2nd order) with padding andCD horn EQ high pass

Recommended Active CrossoverFrequency Region and Slope:

Low Frequency - High Frequency:1800 Hz at 12 dB/octave

Time Offset:Low Frequency: 0.00 msHigh Frequency: 0.00 ms

Impedance (Z):Full Range: 4 ohm 8 ohm

Nominal: 4.0 Ω 8.0 ΩMinimum: 3.2 Ω 6.5 Ω

Low Frequency:Nominal: 4.0 Ω 8.0 ΩMinimum: 3.2 Ω 6.3 Ω

High Frequency:Nominal: 8.0 Ω 8.0 ΩMinimum: 5.4 Ω 5.4 Ω

Input Connections: 2x 4-pin Neutrik® & 2x 1/4 in.

phone jack input, 1x 4-pin switching Neutrik® biamp

LF and HF input

Enclosure Materials and Finish:High impact polypropylene finished in blackor white

Mounting Provisions: 2x Versamount® 70 Mounting locations (1 top, 1 bottom) & 1 x stand mount on bottom

Dimensions (H x W x D): Front:

23.69 in. x 17.81 in. x 13.75 in.602 mm x 452 mm x 349 mm

Rear:22.13 in. x 10.00 in. x 13.75 in.562 mm x 254 mm x 349 mm

Net Weight: 42 lbs. (20.0 kg)

Shipping Weight: 47.4 lbs. (21.54 kg)

Additional Remarks:Also available in biamplified powered unit(Impulse® 200P)

Features:• 1000W program power• Sound Guard™

• Black Widow® 15" premium woofer• RX™22 titanium compression driver• Multiple handgrips and stand mount• Peak SPL in excess of 133 dB • Weather-resistant woofer and grille• Top and bottom flying point inserts• Molded-in horn with exceptionally smooth

response and pattern control

DESCRIPTION:The Impulse 1012 is a two-way full-

range speaker system engineered to pro-vide ultra-high performance in a portable,

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Amplitude Response (1W 1m On-Axis)

Figure 1

EQNormal

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Q & Directivity Index

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Figure 2

compact, weather-resistant package. Theenclosure utilizes high-impact polypropy-lene in an injection-molded plastic trape-zoidal shape, along with a coated perforat-ed metal grille to offer a cosmetically ele-gant yet durable system.

The two-way system includes a 12"Black Widow® woofer with a Kevlar®

impregnated cone and a specially treatedsurround, cone and dust cap for excellentweather resistance. The RX™22 compres-sion driver features a 2" titaniumdiaphragm, a patented phase plug (U.S. Patent 6,064,745), and is coupled to an extremely smooth and well con-trolled constant directivity horn, with a coverage pattern of 90 degrees by 45degrees that is molded into the enclosure.Input connection to the system is madevia 1/4" phone jacks (2) or 4-pin Neutrik®

Speakon® connectors. Provisions forbiamplification are made through a 4-pinNeutrik® switching jack. The internal pas-sive crossover features Sound Guard™ toprotect the tweeter, and utilizes high per-formance components and an advancedtopology crossover to provide high powerhandling and a smooth yet clear response.The optimal integration of the crossoverwith the selected drivers results in asmooth frequency response from 75 Hz to18 kHz.

The free-flow vented cabinet offers mounting point inserts top and bottom aswell as a molded-in stand adapter formaximum utility and ease of use.

FREQUENCY RESPONSE:This measurement is useful in deter-

mining how accurately a given unit repro-duces an input signal. The frequencyresponse of the Impulse 1012 (8 ohm) ismeasured at a distance of 1-meter using a1 watt (into the nominal impedance)swept-sine input signal. As shown inFigure 1, the selected drivers in theImpulse 1012 (8 ohm) combine to give asmooth frequency response from 75 Hz -18 kHz.

DIRECTIVITY:Beamwidth is derived from the -6 dB

points from the polar plots (Figure 3)which are measured in a whole spaceanechoic environment. Q and DirectivityIndex are plotted for the on-axis measure-ment position. These are specificationsthat provide a reference to the coveragecharacteristics of the unit. These parame-ters provide insight for proper placementand installation in the chosen environ-ment. The blending of the components ofthe Impulse 1012 (8 ohm) exhibit a desir-able beamwidth and directivity (Figure 3and 4) suitable for sound reinforcementapplications.

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Harmonic Distortion : 1% Rated Power

Figure 6 3rd Harmonic2nd Harmonic

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Harmonic Distortion : 10% Rated Power

Figure 5 3rd Harmonic2nd Harmonic

Harmonic DistortionSecond and third harmonic distortions vs. frequency are plotted inFigures 5 and 6 for two power levels. Ten percent (10%) of rated

input power and either one percent (1%) of rated input power or onewatt, whichever is greater. Distortion is read from the graph as the difference between the fundamental signal (frequency response)

and the desired harmonic. As an example, a distortion curve that is down 40 dB from the fundamental is

equivalent to 1% distortion.

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POWER HANDLING:There are many different approaches to

power handling ratings. Peavey rates thisloudspeaker system's power handlingusing a full-range form of the AESStandard 2-1984. Using audio band 20 Hzto 20 kHz pink noise with peaks of fourtimes the RMS level, this strenuous testsignal assures the user that every portionof this system can withstand today’s hightechnology music. This rating is contingentupon having a minimum of 3 dB of amplifi-er headroom available.

HARMONIC DISTORTION:Second and third harmonic distortions

vs. frequency are plotted in Figures 5 and6 for two power levels. Ten percent (10%)of rated input power and either one per-cent (1%) of rated input power or onewatt, whichever is greater. Distortion isread from the graph as the differencebetween fundamental signal (frequencyresponse) and the desired harmonic. Asan example, a distortion curve that isdown 40 dB from the fundamental isequivalent to 1% distortion.

ARCHITECTURAL AND ENGINEERINGSPECIFICATIONS:

The 4 ohm loudspeaker system shallhave an operating bandwidth of 72 Hz -18 kHz. The nominal output level shall be99 dB when measured at a distance of

one meter with an input of one watt. Thenominal impedance shall be 4.0 ohms.The maximum continuous power handlingshall be 700 watts, maximum programpower of 1,400 watts and a peak powerinput of at least 2,800 watts, with a mini-mum amplifier headroom of 3 dB. Thenominal radiation geometry shall be 90degrees in the horizontal plane and 45degrees in the vertical plane. The outsidedimensions shall be 23.69 inches high by17.81 inches wide by 13.75 inches deep.The weight shall be 44 pounds. The loud-speaker system shall be a Peavey modelImpulse 1012 (8 ohm).

The 8 ohm loudspeaker system shallhave an operating bandwidth of 75 Hz -18 kHz. The nominal output level shall be100.0 dB when measured at a distance ofone meter with an input of one watt. Thenominal impedance shall be 8.0 ohms.The maximum continuous power handlingshall be 500 watts, maximum programpower of 1,000 watts and a peak powerinput of at least 2,000 watts, with a mini-mum amplifier headroom of 3 dB. Thenominal radiation geometry shall be 90degrees in the horizontal plane and 45degrees in the vertical plane. The outsidedimensions shall be 23.69 inches high by17.81 inches wide by 13.75 inches deep.The weight shall be 44 pounds. The loud-speaker system shall be a Peavey modelImpulse 1012 8 ohm.

CAUTION: Beforeattempting to suspend

this speaker, consult a certifiedstructural engineer. Speakercan fall from improper suspen-sion, resulting in serious injuryand property damage. Do notsuspend or mount any productor device from this enclosure!Maximum enclosure angle 45o.Use only the correct matinghardware. All associated rig-ging is the responsibility of others.

THREE + TWO LIMITED WARRANTYNOTE: For details, refer to the war-ranty statement. Copies of this statement may be obtained by contacting Peavey ElectronicsCorporation, P.O. Box 2898, Meridian, Mississippi 39302-2898.

Neutrik® & Speakon® are a registered trademark of Neutrik AG.

250 Hz 315 Hz 400 Hz

Impulse® 1012Horizontal Polar Patterns

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Impulse® 1012Horizontal Polar Patterns

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Impulse® 1012Vertical Polar Patterns

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Impulse® 1012Vertical Polar Patterns

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Impulse® 1012 Biamp Wiring Diagram for Speakon® Use

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Mixer Output

CH A -LowOutput

CH B -HighOutput

HighsPin 2+ (Hi+)Pin 2- (Hi-)

Pin 1+ (Low+)Pin 1- (Low-)

Lows

*CS®800s equippedwith optionalX1 Crossover

Module

*CS®800s

Impulse®1015Impulse® 1012

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Impulse® 1012Top Mounting Dimensions

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Impulse® 1012Bottom Mounting Dimensions

Features and specifications subject to change without notice.

Peavey Electronics Corporation • 711 A Street • Meridian • MS • 39301 (601) 483-5365 • FAX (601) 486-1278 • www.peavey.com

©2000 Printed in the U.S.A. 9/0080304759