Impulse®12 D
Bi-amplified Class D powered speaker system
Operating
Manual
www.peavey.com
Intended to alert the user to the presence of uninsulated “dangerous voltage” within the product’s enclosure that may be of sufficient magnitude to constitute a risk of electric shock to persons.
Intended to alert the user of the presence of important operating and maintenance (servicing) instructions in the literature accompanying the product.
CAUTION: Risk of electrical shock — DO NOT OPEN!
CAUTION: To reduce the risk of electric shock, do not remove cover. No user serviceable parts inside. Refer servicing to qualified service personnel.
WARNING: To prevent electrical shock or fire hazard, this apparatus should not be exposed to rain or moisture‚ and objects filled with liquids‚ such as vases‚ should not be placed on this apparatus. Before using this apparatus‚ read the operating guide for further warnings.
Este símbolo tiene el propósito, de alertar al usuario de la presencia de “(voltaje) peligroso” sin aislamiento dentro de la caja del producto y que puede tener una magnitud suficiente como para constituir riesgo de descarga eléctrica.
Este símbolo tiene el propósito de alertar al usario de la presencia de instruccones importantes sobre la operación y mantenimiento en la información que viene con el producto.
PRECAUCION: Riesgo de descarga eléctrica ¡NO ABRIR!
PRECAUCION: Para disminuír el riesgo de descarga eléctrica, no abra la cubierta. No hay piezas útiles dentro. Deje todo mantenimiento en manos del personal técnico cualificado.
ADVERTENCIA: Para prevenir choque electrico o riesgo de incendios, este aparato no se debe exponer a la lluvia o a la humedad. Los objetos llenos de liquidos, como los floreros, no se deben colocar encima de este aparato. Antes de usar este aparato, lea la guia de funcionamiento para otras advertencias.
Ce symbole est utilisé dans ce manuel pour indiquer à l’utilisateur la présence d’une tension dangereuse pouvant être d’amplitude suffisante pour constituer un risque de choc électrique.
Ce symbole est utilisé dans ce manuel pour indiquer à l’utilisateur qu’il ou qu’elle trouvera d’importantes instructions concernant l’utilisation et l’entretien de l’appareil dans le paragraphe signalé.
ATTENTION: Risques de choc électrique — NE PAS OUVRIR!
ATTENTION: Afin de réduire le risque de choc électrique, ne pas enlever le couvercle. Il ne se trouve à l’intérieur aucune pièce pouvant être reparée par l’utilisateur. Confiez I’entretien et la réparation de l’appareil à un réparateur Peavey agréé.
AVIS: Dans le but de reduire les risques d’incendie ou de decharge electrique, cet appareil ne doit pas etre expose a la pluie ou a l’humidite et aucun objet rempli de liquide, tel qu’un vase, ne doit etre pose sur celui-ci. Avant d’utiliser de cet appareil, lisez attentivement le guide fonctionnant pour avertissements supplémentaires.
Dieses Symbol soll den Anwender vor unisolierten gefährlichen Spannungen innerhalb des Gehäuses warnen, die von Ausreichender Stärke sind, um einen elektrischen Schlag verursachen zu können.
Dieses Symbol soll den Benutzer auf wichtige Instruktionen in der Bedienungsanleitung aufmerksam machen, die Handhabung und Wartung des Produkts betreffen.
VORSICHT: Risiko — Elektrischer Schlag! Nicht öffnen!
VORSICHT: Um das Risiko eines elektrischen Schlages zu vermeiden, nicht die Abdeckung enfernen. Es befinden sich keine Teile darin, die vom Anwender repariert werden könnten. Reparaturen nur von qualifiziertem Fachpersonal durchführen lassen.
WARNUNG: Um elektrischen Schlag oder Brandgefahr zu verhindern, sollte dieser Apparat nicht Regen oder Feuchtigkeit ausgesetzt werden und Gegenstände mit Flüssigkeiten gefuellt, wie Vasen, nicht auf diesen Apparat gesetzt werden. Bevor dieser Apparat verwendet wird, lesen Sie bitte den Funktionsführer für weitere Warnungen.
IMPORTANT SAFETY INSTRUCTIONS
WARNING: When using electrical products, basic cautions should always be followed, including the following:
1.Read these instructions.
2.Keep these instructions.
3.Heed all warnings.
4.Follow all instructions.
5.Do not use this apparatus near water.
6.Clean only with a dry cloth.
7.Do not block any of the ventilation openings. Install in accordance with manufacturer’s instructions.
8.Do not install near any heat sources such as radiators, heat registers, stoves or other apparatus (including amplifiers) that produce heat.
9.Do not defeat the safety purpose of the polarized or grounding-type plug. A polarized plug has two blades with one wider than the other. A grounding type plug has two blades and a third grounding plug. The wide blade or third prong is provided for your safety. If the provided plug does not fit into your outlet, consult an electrician for replacement of the obsolete outlet.
10.Protect the power cord from being walked on or pinched, particularly at plugs, convenience receptacles, and the point they exit from the apparatus.
11.Only use attachments/accessories provided by the manufacturer.
12.Use only with a cart, stand, tripod, bracket, or table specified by the manufacturer, or sold with the apparatus. When a cart is
used, use caution when moving the cart/apparatus combination to avoid injury from tip-over.
13.Unplug this apparatus during lightning storms or when unused for long periods of time.
14.Refer all servicing to qualified service personnel. Servicing is required when the apparatus has been damaged in any way, such as power-supply cord or plug is damaged, liquid has been spilled or objects have fallen into the apparatus, the apparatus has been exposed to rain or moisture, does not operate normally, or has been dropped.
15.Never break off the ground pin. Write for our free booklet “Shock Hazard and Grounding.” Connect only to a power supply of the type marked on the unit adjacent to the power supply cord.
16.If this product is to be mounted in an equipment rack, rear support should be provided.
17.Note for UK only: If the colors of the wires in the mains lead of this unit do not correspond with the terminals in your plug‚ proceed as follows:
a)The wire that is colored green and yellow must be connected to the terminal that is marked by the letter E‚ the earth symbol‚ colored green or colored green and yellow.
b)The wire that is colored blue must be connected to the terminal that is marked with the letter N or the color black.
c)The wire that is colored brown must be connected to the terminal that is marked with the letter L or the color red.
18.This electrical apparatus should not be exposed to dripping or splashing and care should be taken not to place objects containing liquids, such as vases, upon the apparatus.
19.The on/off switch in this unit does not break both sides of the primary mains. Hazardous energy can be present inside the chassis when the on/off switch is in the off position. The mains plug or appliance coupler is used as the disconnect device, the disconnect device shall remain readily operable.
20.Exposure to extremely high noise levels may cause a permanent hearing loss. Individuals vary considerably in susceptibility to noise-induced hearing loss, but nearly everyone will lose some hearing if exposed to sufficiently intense noise for a sufficient time. The U.S. Government’s Occupational Safety and Health Administration (OSHA) has specified the following permissible noise level exposures:
Duration Per Day In Hours |
Sound Level dBA, Slow Response |
8 |
90 |
6 |
92 |
4 |
95 |
3 |
97 |
2 |
100 |
1 1⁄2 |
102 |
1 |
105 |
1⁄2 |
110 |
1⁄4 or less |
115 |
According to OSHA, any exposure in excess of the above permissible limits could result in some hearing loss. Ear plugs or protectors to the ear canals or over the ears must be worn when operating this amplification system in order to prevent a permanent hearing loss, if exposure is in excess of the limits as set forth above. To ensure against potentially dangerous exposure to high sound pressure levels, it is recommended that all persons exposed to equipment capable of producing high sound pressure levels such as this amplification system be protected by hearing protectors while this unit is in operation.
SAVE THESE INSTRUCTIONS!
ENGLISH
Impulse® 12D
Thank you for purchasing the class D powered Peavey® Impulse® 12D. The Impulse® 12D features a bi-amped power section that provides 1200 watts of peak power for the woofer and 150 watts of peak power for the ribbon driver tweeter, both with Peavey-exclusive DDT™ compression. Featuring a 12” Neo dual voice coil Scorpion® woofer and the RD™2.6 true ribbon driver, the Impulse® 12D provides two independent mixed input channels, each with Gain control and a mic/line gain switch, and each channel features a combo jack with 1/4” TRS & female XLR and a balanced input with volume control.
Features
*Bi-amplified Class D powered speaker system
*1200 watts peak woofer power, both power amps have DDT compression
*No Noisy Fan! Natural air convection cooling is silent.
*12” Neodymium Dual Voice Coil Scorpion® woofer
*Peavey RD™ 2.6 ribbon driver tweeter on a low-coloration waveguide
*Woofer servo for reduced woofer distortion
*DynaQ™ circuit provides tone shaping options, including automatic equal loudness contour
*Peak SPL up to 131 dB with music!
*Two independent mixed input channels, with Gain control and mic/line gain switch
*Each channel features a combo jack with 1/4” TRS & female XLR balanced input
*Input 1 has a Euro-style jack connector and Input 2 has a pair of RCA jacks
*Output connectors include: XLR, TRS ¼”, and Euro-style jack connector
*Mounting bay for optional input function modules
*Hand grips on each front side, and one full handle on the right side
*Perforated steel grille
*Rugged polypropylene molded enclosure
*Pole mount molded-in
*Reduced weight – Only 39 pounds!
*Top, bottom and side flying point insert groups mate with Versamount™ 70
DESCRIPTION
The Peavey Impulse® 12D is a powered, bi-amplified, two-way speaker system engineered to provide very high levels of performance in a compact powered loudspeaker. This two-way powered system is comprised of a 1200 W peak class D power amplifier driving a 12” Neodymium magnet based, dual voice coil Scorpion® woofer. The RD™2.6 true ribbon tweeter is driven by a 150 W peak class D power amplifier, and is coupled to a low coloration waveguide with a coverage pattern of 100˚ horizontal by 15˚ vertical.
The Impulse® 12D is capable of up to 131 dB peak SPL. The enclosure utilizes tough polypropylene in an injection-molded plastic modifiedtrapezoidal form, with a coated perforated steel grille to offer an attractive yet durable powered speaker system. The cabinet and grille are shaded a dark-grey (an off-white version is also available).
Two independent mixed input channels each offer a level control and a balanced input to the preamp/EQ electronics. Each channel has a combo female XLR and 1/4” TRS phone jack. It is switchable between mic-level and line-level sensitivity. Channel one has an additional Euro-style jack connector, while channel 2 has an additional pair of RCA jacks. A line out section has XLR, TRS ¼” phone, and Euro-style jack connectors. These outputs allow linking of additional speaker systems feed of the signal to a powered subwoofer, or etc.
Included in the input panel is a bay for optional function modules such as a Wireless Receiver, Digital Audio Input or a 10-band EQ.
Extensive tone shaping is available via DynaQ™ which offers Bass Enhancement, Contour and a Music or Speech mode. As part of the signal processing available, a woofer servo senses back-EMF that is not a result of the drive signal from the woofer voice coil and subtracts the error so that the woofer cone follows the drive waveform more precisely. The Contour circuit is for accentuating bass and treble at low listening volume levels.
The power amplifiers providing the bi-amplification are low-distortion, Class-D units providing 1200 W peak available power into the nominal 4 ohm load of the woofer, and a 150 W peak available power into the nominal 8 ohm load of the tweeter. The woofer amplifier uses IPR switching technology, and the power supply for both amps is a switch mode type for low weight and high efficiency. Both amplifiers feature
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our patented DDT™ compression, which virtually eliminates audible power amplifier clipping. Cooling is via natural air convection - no noisy fan!
Molded-in hand grips on either side of the front and a full handle on the right side provide ease of transport, while multiple mounting points (top, bottom and right side) for the Peavey Versamount™ 70 Plus mounting bracket allow maximum utility.
The combination of the signal-processed servo-controlled woofer with the ribbon tweeter provides a clarity and impact far beyond conventional powered enclosures. The Class D power amps and switch-mode power supply, along with the
neodymium magnet systems on the drivers, provide this high level of technological sophistication at a very light weight and very reasonable cost.
APPLICATIONS
The Peavey Impulse® 12D has a variety of applications, including sound reinforcement, public address, side fill system, karaoke and musical playback.
A typical signal source for the line-level inputs of the Peavey Impulse® 12D would be a sound reinforcement mixing console (mixer) or the output from a CD player, MP3 player or tape deck. A dynamic microphone can be connected directly and used as well.
REAR PANEL BOTTOM
1
2
3
CIRCUIT BREAKER (1)
The unit is AC power line protected from overloads and fault conditions with a 5 amp circuit breaker. This breaker should not trip unless there is a fault in the amplifier circuitry or an abnormal operating condition which causes excessive mains current to flow. If the breaker trips, set the Power switch (3) to OFF, wait a brief period of time for the breaker to cool, then reset the breaker.
If the circuit breaker trips, the center button will pop outward approximately 1/4”, and can be reset by pushing upward and inward. Under normal (not tripped) conditions, the center button is relatively flat.
If the unit continues to trip the breaker, or trips it immediately after being reset, do not keep resetting it. The system should be taken to a qualified Peavey Service Center for repair.
IEC POWER CORD CONNECTION (2)
This receptacle is for the IEC line cord (supplied) that provides AC power to the unit. It is very important that you ensure the proper AC line voltage is supplied to the Impulse® 12D. You can find the proper voltage for your Impulse® 12D printed next to the IEC line (power cord) on the rear panel of the unit.
Please read this guide carefully to ensure your personal safety as well as the safety of your equipment. Never break off the ground pin on any equipment. It is provided for your safety. If the outlet used does not have a ground pin, a suitable grounding adapter should be used and the third wire should be grounded properly. To prevent the risk of shock or fire hazard, always be sure that the mixer and all other associated equipment are properly grounded.
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ON-OFF SWITCH (3)
This rocker switch supplies AC power to the Impulse® 12D when switched to the ON position. The ON position is with the left side of the switch pushed in nearly flush with the rear panel.
REAR PANEL TOP
ACCESS PANEL FOR OPTIONAL EXPANSION MODULE
This panel is to be removed ONLY when installing one of a variety of Optional Expansion Modules that will be available soon for the Impulse® 12D. These Expansion Modules may include such options as a Wireless Input, a 10-Band EQ, a Digital Audio Input, etc.
These Optional Expansion Modules will either work in conjunction with the 2 inputs already present on the Impulse® 12D, or provide an in-line function for input 1, such as a 10-band EQ. Check with your Peavey® dealer for availability and price.
If you are not installing an Optional Expansion Module, then do not remove this cover. Instructions for installing an Optional Expansion Module will come with each Expansion Module and will be specific to that Module.
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GROUND LIFT SWITCH (4)
Switches the XLR (7,8) PIN 1 (shield) from direct contact with ground in the event that hum occurs with the input cables connected. ALWAYS TURN THE GAIN (13 AND 14) DOWN ALL THE WAY BEFORE OPERATING THIS SWITCH TO AVOID LOUD POPS OR BUZZES! Turn the gain back up slowly and cautiously to determine if an improvement in the hum or buzz has been made!
INPUT 1 (A)
Input 1 is switchable between line-level gain and mic-level gain. The line-level input is medium impedance balanced. The jack (7) on the input 1 panel is a combo female XLR and 1/4” TRS connector. Input 1 also has a 3-conductor balanced Euro-style jack connector (9) wired in parallel with the above listed inputs. The signal to input 1 is mixed with the signal from input 2 and fed to the internal crossover and signal processing.
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