OWNER`S MANUAL
OWNER'S MANUAL
IMPULSE i SERIES
OWNER'S MANUAL
IMPULSE i SERIES
Impulse i
Impulse i
Features
Close tolerance and durable components provide increased reliability and greater output.
Accurately machined 15 laminate birch plywood cabinets for superior strength.
Internal Powerdrive type 100 wall bracket mounting plate.
Full Range passive or 2 way Active mode switch on Impulse 4i
Built in Electronic protection device for the HF/MF drivers.
M8 Insert points for fast and accurate installation.
Wide and flat frequency response for unparalleled sound quality.
Handle cover plates and rotatable Logos.
Tough kick proof grills with foam filters protect the components from the heaviest of abuse.
Three year warranty and guarantee.
System Connections
Impulse 5i/8i use pins +1 / -1 for their input. Impulse 4i is wired +1 / -1 when used in full range passive
mode and +1 / -1 for the LF section and +2 / -2 for the HF section when used in 2 way active mode.
Impulse 3i is wired +1 / -1 for the LF section and +2 / -2 for the MHF section. Please make sure the rear
panel switch is set for the correct operating mode. The switch to change operating modes can be
found above the input speakons on the rear panel
All Impulse i series speakon connectors are wired in parallel, so either speakon can be used as the input.
The other speakon can be used as a link output. A positive signal to the + pin gives a forward cone
movement on all Impulse i enclosures.
Notes
Impulse 3i/4i feature a rotatable HF/MHF horn that allows the cabinet to be used in either vertical or
horizontal positions. To change the dispersion first loosen the screws that hold the grill in place.
Remove the grill and undo the screws holding the HF horn in place. Rotate the HF horn by 90 degrees
and replace the screws that hold it in place. Attach the grill and tighten the screws that hold it in place.
The HF/MHF horn on Impulse 3i and 4i are factory aligned for vertical cabinet positioning.
The Logos on Impulse 3i/4i are spring loaded and rotatable. This allows the logo to be displayed
upright when the cabinet is used in either vertical or horizontal positions. The handle cover plates can be
attached with the supplied screws if the handles are not required.
Precautions
Please consider the following precautions during use :
1. Install Impulse i series enclosures in a dry environment, do not expose the cabinets to rain or
moisture.
2. When flying or mounting Impulse 3i or 4i enclosures ensure safe working practices and follow the
recommended rigging guidelines.
3. Impulse series enclosures contain very powerful magnets. Do not locate an enclosure near any
sensitive equipment such as; VDU monitors, CRT TV's or high gain preamplifiers.
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Reference Manual
Impulse i
TECHNICAL SPECIFICATIONS
Frequency Response :
Impulse 3i
Impulse 4i
60 Hz - 21 KHz -3dB
65 Hz - 20 KHz -3dB
LF : 98 dB 1w/1m
MHF : 106 dB 1w/1m
101 dB 1w/1m
LF/MHF 8 ohms
LF/HF 8 ohms
LF : 500 watts rms
MHF : 300 watts rms
500 watts rms
128 dB cont
131 dB peak
127 dB cont
130 dB peak
60 h x 35 v
90 h x 50 v rotatable
800 Hz active
2.8 KHz passive
1.4 KHz active
1.4 KHz passive
1 x 12" : 1 x 6.5" : 1 x 1" neo
1 x 12" : 1 x 1.5" neo
MF/HF - Electronic device
HF - Electronic device
12 x M8 inserts
1 x Powerdrive type 100 plate
12 x M8 inserts
1 x Powerdrive type 100 plate
18 mm 15 laminate birch
18 mm 15 laminate birch
Textured polyurethane
Textured polyurethane
Perforated steel - foam filter
Perforated steel - foam filter
2 x 4 pole speakon
2 x 4 pole speakon
468 mm wide
760 mm high
430 mm deep
370 mm wide
620 mm high
375 mm deep
37.0 Kg net
42.6 Kg shipping
28.0 Kg net
31.3 Kg shipping
Sensitivity :
Impedance :
Power Handling :
Maximum Output :
Dispersion :
Crossover Point :
Driver Configuration :
Protection :
Rigging, Mounting :
Construction :
Finish :
Grill :
Connectors :
Dimensions :
Weight :
Page 4
Reference Manual
Impulse i
TECHNICAL SPECIFICATIONS
Impulse 5i
Frequency Response :
Impulse 8i
55 Hz - 165 Hz -3dB
45 Hz - 145 Hz -3dB
105 dB 1w/1m
106 dB 1w/1m
4 ohms
4 ohms
1200 watts rms
1600 watts rms
135 dB cont
138 dB peak
138 dB cont
142 dB peak
Omni
Omni
80 - 140 Hz active
80 - 140 Hz active
2 x 15"
2 x 18"
N/A
N/A
N/A
N/A
18 mm 15 laminate birch
18 mm 15 laminate birch
Textured polyurethane
Textured polyurethane
Perforated steel - foam filter
Perforated steel - foam filter
2 x 4 pole speakon
2 x 4 pole speakon
1150 mm wide
536 mm high
710 mm deep
1200 mm wide
636 mm high
820 mm deep
100.0 Kg net
113.4 Kg shipping
131.0 Kg net
142.8 Kg shipping
Sensitivity :
Impedance :
Power Handling :
Maximum Output :
Dispersion :
Crossover Point :
Driver Configuration :
Protection :
Rigging, Mounting :
Construction :
Finish :
Grill :
Connectors :
Dimensions :
Weight :
Page 5
Reference Manual
Impulse i
Service
This unit has very sophisticated circuitry and should only be serviced by a fully trained
technician.
No user serviceable parts inside
Refer servicing to a qualified technician
Worldwide Service
Service may be obtained from your local authorised service centre. To obtain service,
simply present your sales receipt as proof of purchase along with the defective unit to
an authorised service centre. They will handle the necessary paperwork and repair.
Remember to transport your unit in the original factory packaging.
1. When sending an Impulse Series product to an authorised service centre for service,
please write a detailed description of the fault and list any other equipment used in
conjunction with the faulty product. Send the fault description with the faulty product,
do not send it separately.
2. Ensure safe transportation of your unit to the authorised service centre. Ship it in the
original factory packaging if possible.
3. Do not ship the unit in any kind of rack. Ignoring this warning may result in extensive
damage to the unit and the equipment rack. Accessories are not needed. Do not
send the instruction manual, cables or any other hardware.
4. Before returning your faulty product for repair, please remember to get a return
authorisation number from the dealer whom you purchased your product from.
Failure to do so could delay the repair of your product.
Warranty Registration
Please take time to fill out the warranty registration form at the back of this manual and
return it to Void Acoustics.
Environmental
WEEE Mark
If you want to dispose of this product, do not mix with general
household waste. There are separate collection systems for used
electronic products in accordance with legislation under the WEEE
Directive (Directive 2002/96/EC) and is effective only within the
European Union.
This product is Rohs compliant
Page 6
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Reference Manual
Impulse i
LIMITED WARRANTY
THE WARRANTY
For a period of three (3) years from the date of delivery to the original purchaser (as shown
on the original invoice or sales receipt), Void Acoustics (hereinafter "Void") warrants to the
ORIGINAL OWNER of each new impulse Series product (provided it was purchased at an
Authorised Void Dealer) that it is free of defects in materials and workmanship and that each
product will meet or exceed all factory published specifications for each respective model.
Void agrees to repair or replace (at its discretion) all defective parts at no charge for labour or
materials; subject to following provisions:
WARRANTY VIOLATIONS
Void shall take no responsibility for repair or replacement as specified under this warranty, if
the damaged product has been subject to misuse, accident, neglect or failure to comply with
normal maintenance procedures; or if the serial number has been defaced, altered or
removed. Nor will Void accept responsibility for, or resulting from, improper alterations or
unauthorised parts or repairs. This warranty does not cover any damage to speakers or any
other consequential damage resulting from breach of any written or implied warranty.
VOID WARRANTY PROVISIONS
Void will remedy any defect, regardless of the reason for failure (except as excluded) by
repair, or replacement. Void will remedy the defect and ship the product within a reasonable
time after receipt of the defective product at an Void Authorised Service Centre.
TO OBTAIN WARRANTY SERVICE
In the event that a Void product requires service, the Owner must contact Void or an
Authorised Void Service Centre to receive an R.A.N. (Return Authorisation Number) and
instructions on how to return the product to the Void Authorised Service Centre, or to the
factory. Void (or its Authorised Service Centre) will initiate corrective repairs upon receipt of
the returned product. Please save the original carton and all the packing materials in case
shipping is required. All products being returned to the factory or service centre for repairs
must be shipped prepaid.
If the repairs made by Void or the Void Authorised Service Centre are not satisfactory, the
Owner is instructed to give written notice to Void. If the defect or malfunction remains after a
reasonable amount of attempts by Void to remedy the defect or malfunction, the Owner shall
then have the option to elect either a refund or replacement of said Void product free of
charge. The refund shall be an amount equal to but not greater than the actual purchase
price, not including any taxes, interest, insurance, closing costs and other finance charges
(minus reasonable depreciation on the product). If a refund is necessary, the Owner must
make the defective or malfunctioning product available to Void free and clear of all liens or
other restrictions.
MODIFICATIONS OF EQUIPMENT
Void reserves the right to modify or change equipment (in whole or part) at any time prior to
delivery thereof, in order to include therein electrical or mechanical improvements deemed
appropriate by Void, but without incurring any liability to modify or change any equipment
previously delivered, or to supply new equipment in accordance with any earlier
specifications.
DISCLAIMER OF CONSEQUENTIAL AND INCIDENTAL DAMAGES
YOU, THE OWNER, ARE NOT ENTITLED TO RECOVER FROM VOID ANY INCIDENTAL
DAMAGES RESULTING FROM ANY DEFECT IN THE VOID PRODUCT. THIS INCLUDES
ANY DAMAGE TO ANOTHER PRODUCT OR PRODUCTS RESULTING FROM SUCH A
DEFECT.
WARRANTY ALTERATIONS
No person has the authority to enlarge, amend, or modify this Warranty. This Warranty is not
extended by the length of time which the Owner is deprived of the use of product. Repairs
and replacement parts provided pursuant to the Warranty shall carry only the non-expired
portion of the Warranty.
THIS STATEMENT OF WARRANTY SUPERSEDES ALL OTHERS CONTAINED IN THIS
MANUAL
Technical and design specifications are subject to change without notice
Page 7
Reference Manual
Unit 10B, Dawkins Road Ind Est, Poole, Dorset, BH15 4JD
Tel: +44 (0)870 1651 332 Fax: +44 (0)870 1651 352
Void Acoustics
This warranty in no way affects your statutory rights.
Carriage costs to Void Acoustics will be returned to the
customer if warranty work proves necessary. Packing,
insurance and freight on the return journey will be paid by
Void Acoustics or its authorised dealers.
Do not send goods to Void Acoustics without first obtaining
a return authorisation number.
4. That the product has not suffered damage in transit.
3. That the product has not been modified, disassembled
or tampered with by any person other than Void Acoustics
technical staff.
Tel :
Model
Void Acoustics, Unit 10B, Dawkins Road Ind Est, Poole,
Dorset, BH15 4JD, UK.
Return the product (preferably in its original box) to :
Contact the dealer from whom you purchased the product
and get a return authorisation number.
What to do if your Void product needs repair
Post code :
Suppliers name and address
Serial number
1. This warranty is only valid in the country of purchase.
2. That the product has not been abused or operated in
conjunction with unsuitable or faulty apparatus.
Date of purchase
Warranty Copy
Owner's
This Void Acoustics product is guaranteed against defects
due to faulty materials or workmanship for a period of 3
years from the date of original purchase, subject to the
following restrictions.
Warranty
Void Acoustics
Void Acoustics
Unit 10B
Dawkins Road Ind Est
Poole
Dorset
BH15 4JD
UK
Post code :
Post code :
Tel :
Your name and address
Tel :
Suppliers name and address
Serial number
Date of purchase
Model
Thank you for purchasing this Void product. Please
complete this warranty registration card and cut off this
part and send it to the address overleaf.
Warranty Registration
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