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EX Series Subwoofers
User Guide
· EX1 .2MkII · EX1 .5 · EX1 .8 · EX2.2 · EX2.5MkII
The Future of Sound.
Made Perfectly Clear.
At KV2 Audio our vision is to constantly develop technologies
that eliminate distortion and loss of information providing
a true dynamic representation of the source.
Our aim is to create audio products that absorb you,
place you within the performance and deliver a listening
experience beyond expectations.
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Related Manuals for KV2 Audio EX Series
Summary of Contents for KV2 Audio EX Series
- Page 1 · EX1 .2MkII · EX1 .5 · EX1 .8 · EX2.2 · EX2.5MkII The Future of Sound. Made Perfectly Clear. At KV2 Audio our vision is to constantly develop technologies that eliminate distortion and loss of information providing a true dynamic representation of the source.
- Page 2 EX Series Subwoofers · Important Safety Instructions Important Safety Instructions Before using your EX Series Subwoofers, be sure to carefully read the applicable items of these operating instructions and the safety suggestions. 1. Read all product instructions. 2. Keep printed instructions, do not throw away.
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Page 3: Table Of Contents
EX Series Subwoofers · Contents Contents EX1.2MkII Overview 4 - 5 AC Power Requirements 6 - 7 Audio Signal 8 - 9 Specifications Configurations Drawings EX1.5 Overview 13 - 14 AC Power Requirements 15 - 16 Audio Signal 17 - 18... -
Page 4: Ex1.2Mkii
The EX1.2MkII is a small single 12" active subwoofer system. Employing passive cooling the EX1.2MkII boasts output that belies its compact, low profile cabinet size, as with all KV2 Audio products. The enclosure dimensions makes it ideal for discreet installations, as it can be installed either horizontally or vertically under seating and in furniture surrounds. - Page 5 EX1.2Mkll · Overview Acoustic Components The EX1.2Mkll's woofer technology is based around high efficiency, high power woofer designs. The device features: high temperature polymide voice coil assemblies that undergo multiple baking and curing processes as well as advanced magnetic structures with complex cooling systems. The woofer cones have been specially developed to withstand the demanding environment created by the high acoustic loading inside the EX1.2Mkll chambers.
- Page 6 EX1.2Mkll · AC Power Requirements AC Power The EX1.2Mkll is an advanced self-powered loudspeaker system with on-board amplication and control systems. Understanding power distribution, voltage and current requirements, as well as electrical safety issues, is critical to the safe operation of the EX1.2Mkll. The EX1.2Mkll uses a PowerCon 3-pole AC main system with locking connectors to prevent accidental disconnection.
- Page 7 EX1.2Mkll · AC Power Requirements Current Requirements Each EX1.2Mkll requires approximately 115V AC for proper operation. This allows two EX1.2Mkll to be powered from one 16A breaker at 115V and up to four subwoofers at 230V. The EX1.2Mkll presents a dynamic load to the AC mains, which causes the amount of current to fluctuate depending on quiet or loud operating levels.
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Page 8: Audio Signal
10 units consisting of EX1.2Mkll subwoofers produces an input impedance of 2000 ohms (20kOhms divided by 10). The source equipment should have output impedance of 200 ohms or less. This is also true when connecting EX1.2Mkll's in parallel (loop out) with other KV2 Audio amplifiers, active speakers and subwoofers. - Page 9 The audible effect of the rms limiter is a lowering of overall output level. The rms limiter will disengage only if the input level is turned down. Please contact KV2 Audio or a local service representative should the system enter a thermal condition under normal operating conditions.
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Page 10: Ac Power Requirements
EX1.2Mkll · Specifications Specifications System Acoustic Perfomance Max SPL Long-term 124dB Max SPL Peak 130dB -3dB Response 38Hz to 120Hz -10dB Response 32Hz to 120Hz Crossover Point 120Hz Low Frequency Section Acoustic Design Twin Asymmetrical loading Woofer Size / Voice Coil Diameter / Design 12"... -
Page 11: Configurations
EX1.2Mkll · Configurations Single Subwoofer Configuration Connection of two mid-hi EX10 cabinets with single active subwoofer EX1.2Mkll and mixing console. The EX1.2Mkll features two channel active crossover, input L and R signals are summed together under crossover frequency and then feeding subwoofer. Signal over crossover frequency are separated and connected through XLR L,R HI PASS outputs Two Subwoofers Configuration Connection of two mid-hi EX10 cabinets with two active subwoofers EX1.2Mkll and mixing console. -
Page 12: Drawings
EX1.2Mkll · Drawings Drawings... -
Page 13: Overview
On-board electronics ensures fast, easy set up and complete control making it easy to set up and provides long-term reliability. An improved version of KV2 Audio's switch mode, current enhancing low frequency amplifier has been specially developed for the EX1.5. The new design improves overall system efficiency to over 90% and delivers 1000 watts of continuous power. - Page 14 EX1.5 · Overview Acoustic Components The EX1.5's woofer technology is based around high efficiency, high power woofer designs. The device features: high temperature polymide voice coil assemblies that undergo multiple baking and curing processes as well as advanced magnetic structures with complex cooling systems. The woofer cones have been specially developed to withstand the demanding environment created by the high acoustic loading inside the EX1.5 chambers.
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Page 15: Ac Power Requirements
EX1.5 · AC Power Requirements AC Power The EX1.5 is an advanced self-powered loudspeaker system with on-board amplication and control systems. Understanding power distribution, voltage and current requirements, as well as electrical safety issues, is critical to the safe operation of the EX1.5. The EX1.5 uses a PowerCon 3-pole AC main system with locking connectors to prevent accidental disconnection. - Page 16 EX1.5 · AC Power Requirements Current Requirements Each EX1.5 requires approximately 10 Amps max at 115V AC for proper operation. This allows one EX1.5 to be powered from one 15 A breaker at 115 V and up to 2 subwoofers at 230 V. The EX1.5 presents a dynamic load to the AC mains, which causes the amount of current to fluctuate depending on quiet or loud operating levels.
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Page 17: Audio Signal
10 units consisting of EX1.5 subwoofers produces an input impedance of 2000 ohms (20kOhms divided by 10). The source equipment should have output impedance of 200 ohms or less. This is also true when connecting EX1.5's in parallel (loop out) with other KV2 Audio amplifiers, active speakers and subwoofers. - Page 18 There are individual LED’s for each the Left and Right signal inputs. The LED turns green when there is audio signal present in the EX1.5. This signal indicator can be used to troubleshoot wiring problems. Please contact KV2 Audio or a local service representative should the system enter a thermal condition under normal operating conditions.
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Page 19: Specifications
EX1.5 · Specifications Specifications System Acoustic Perfomance Max SPL Long-term 127dB Max SPL Peak 133dB -3dB Response 38Hz to 120Hz -10dB Response 34Hz to 120Hz Crossover Point 120Hz Low Frequency Section Acoustic Design Front Loaded, Bass Reflex Woofer Size / Voice Coil Diameter / Design 15"... -
Page 20: Drawings
EX1.5 · Drawings Drawings... -
Page 21: Overview
The EX1.8 can be used in a variety of system applications. It can add high performance bass reproduction to active speaker systems such as KV2 Audio's EX12 loudspeaker, or it can be easily used with passive speaker systems. The built in electronic high pass filter, phase and independent output level controls provide high precision, easy to use system integration circuitry. - Page 22 Polarity that will appear reversed when compared to older existing versions of this model – EX1.8. This has been done to ensure that when used with other models within the KV2 Audio range, (e.g. ES etc.), there will not be any difference in polarity response between models.
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Page 23: Ac Power Requirements
EX1.8 · AC Power Requirements AC Power The EX1.8 is an advanced self-powered loudspeaker system with on-board amplication and control systems. Understanding power distribution, voltage and current requirements, as well as electrical safety issues, is critical to the safe operation of the EX1.8. The EX1.8 uses a PowerCon 3-pole AC main system with locking connectors to prevent accidental disconnection. - Page 24 EX1.8 · AC Power Requirements Current Requirements Each EX1.8 requires approximately 10 Amps max at 115V AC for proper operation. This allows one EX1.8 to be powered from one 15 A breaker at 115 V and up to 2 subwoofers at 230 V. The EX1.8 presents a dynamic load to the AC mains, which causes the amount of current to fluctuate depending on quiet or loud operating levels.
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Page 25: Audio Signal
10 units consisting of EX1.8 subwoofers produces an input impedance of 2000 ohms (20kOhms divided by 10). The source equipment should have output impedance of 200 ohms or less. This is also true when connecting EX1.8's in parallel (loop out) with other KV2 Audio amplifiers, active speakers and subwoofers. - Page 26 There are individual LED’s for each the Left and Right signal inputs. The LED turns green when there is audio signal present in the EX1.8. This signal indicator can be used to troubleshoot wiring problems. Please contact KV2 Audio or a local service representative should the system enter a thermal condition under normal operating conditions.
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Page 27: Specifications
EX1.8 · Specifications Specifications System Acoustic Perfomance Max SPL Long-term 131dB Max SPL Peak 137dB -3dB Response 30Hz to 125Hz -10dB Response 27Hz to 125Hz Crossover Point 125Hz Low Frequency Section Acoustic Design Asymmetrical Bandpass Woofer Size / Voice Coil Diameter / Design 18"... -
Page 28: Drawings
EX1.8 · Drawings Drawings... -
Page 29: Overview
The EX2.2 can be used in a variety of system applications. It can add high performance bass reproduction to active speaker systems such as KV2 Audio's EX12 loudspeaker, or it can be easily used with passive speaker systems. The built in electronic high pass filter, phase and independent output level controls provide high precision, easy to use system integration circuitry. - Page 30 Polarity that will appear reversed when compared to older existing versions of this model – EX2.2. This has been done to ensure that when used with other models within the KV2 Audio range, (e.g. ES etc.), there will not be any difference in polarity response between models.
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Page 31: Ac Power Requirements
EX2.2 · AC Power Requirements AC Power The EX2.2 is an advanced self-powered loudspeaker system with on-board amplification and control systems. Understanding power distribution, voltage and current requirements, as well as electrical safety issues, is critical to the safe operation of the EX2.2. The EX2.2 uses a PowerCon 3-pole AC main system with locking connectors to prevent accidental disconnection. - Page 32 EX2.2 · AC Power Requirements Current Requirements Each EX2.2 requires approximately 10 Amps max at 115V AC for proper operation. This allows one EX2.2 to be powered from one 15 A breaker at 115 V and up to 2 subwoofers at 230 or 250 V. The EX2.2 presents a dynamic load to the AC mains, which causes the amount of current to fluctuate depending on quiet or loud operating levels.
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Page 33: Audio Signal
(20kOhms divided by 10). The source equipment should have output impedance of 200 ohms or less. This is also true when connecting EX2.2's in parallel (loop out) with other KV2 Audio amplifiers, active speakers and subwoofers. If the loudspeaker produces noises such as hiss and popping, disconnect the audio cable from the loudspeaker, if the noise stops, then most likely the problem is not with the loudspeaker. - Page 34 The rms limiter will disengage only if the input level is turned down. Please contact KV2 Audio or a local service representative should the system enter a thermal condition under normal operating conditions.
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Page 35: Specifications
EX2.2 · Specifications Specifications System Acoustic Perfomance Max SPL Long-term 130dB Max SPL Peak 136dB -3dB Response 45Hz to 125Hz -10dB Response 40Hz to 125Hz Crossover Point 125Hz Low Frequency Section Acoustic Design Twin Asymmetrical loading Number of Drivers Woofer Size / Voice Coil Diameter / Design 12"... -
Page 36: Drawings
EX2.2 · Drawings Drawings... -
Page 37: Ex2.5Mkii
The EX2.5Mkll can be used in a variety of system applications. It can add high performance bass reproduction to active speaker systems such as KV2 Audio's EX12 loudspeaker, or it can be easily used with passive speaker systems. The built in electronic high pass filter, phase and independent output level controls provide high precision, easy to use system integration circuitry. - Page 38 EX2.5Mkll · Overview technology, the EX2.5Mkll amplifier provides extremely high efficiency with low losses and delivers the highest woofer control by delivering higher current levels under "phase shift" conditions. The new conguration improves overall system efficiency and increases output allowing passive radiation of heat to take place through a unique "fin-less"...
- Page 39 EX2.5Mkll · AC Power Requirements Voltage Requirements The EX2.5Mkll operates safely and without audio discontinuity if the AC voltage stays within the operating window of 100V-120V in 115V mode, 205V-240V in 230V mode and 225V-260V when working in 250V mode, at 50 or 60Hz. If the On LED does not illuminate or the system does not respond to audio input, remove AC power immediately.
- Page 40 EX2.5Mkll · AC Power Requirements Current Requirements Each EX2.5Mkll requires approximately 15 Amps max at 115V AC for proper operation. This allows one EX2.5Mkll to be powered from one 15 A breaker at 115V and up to 2 EX2.5Mkll subwoofers at 230V or 250V. The EX2.5Mkll presents a dynamic load to the AC mains, which causes the amount of current to fluctuate depending on quiet or loud operating levels.
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Page 41: Audio Signal
10 units consisting of EX2.5Mkll subwoofers produces an input impedance of 2000 ohms (20kOhms divided by 10). The source equipment should have output impedance of 200 ohms or less. This is also true when connecting EX2.5Mkll's in parallel (loop out) with other KV2 Audio amplifiers, active speakers and subwoofers. - Page 42 This AP4 connector output allows you to connect phase of the high pass audio output signal. Changing the the EX2.5Mkll to one KV2 Audio ES2.6 enclosure thus phase of the output signal serves as a tool for integrating expanding the capability of the EX2.5Mkll. No other...
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Page 43: Ac Power Requirements
EX2.5Mkll · Specifications Specifications System Acoustic Perfomance Max SPL Long-term 132dB (137dB - with Slave ES2.6) Max SPL Peak 138dB (143dB - with Slave ES2.6) -3dB Response 38Hz to 125Hz -10dB Response 34Hz to 125Hz Impedance 8Ω Crossover Point 125Hz Output Channels Number of Channels Minimum load impedance per channel... -
Page 44: Suggested Systems
EX2.5Mkll · Suggested Systems Suggested Systems... -
Page 45: Drawings
EX2.5Mkll · Drawings Drawings... -
Page 46: Accessories
EX Series Subwoofers · Accessories Covers Cover for EX1.2Mkll Heavy duty cover for EX1.5 part name: part name: Cover EX1.2 Cover EX1.5 part number: part number: KVV 987 256 KVV 987 479 description: description: - durable - durable material material Heavy duty cover for EX1.8... - Page 47 EX Series Subwoofers · Accessories Carts Cart for EX1.8 part name: CRT - 0011 part number: KVV 987 230 description: - wheels (KVV 987 031) not included Cart for EX2.2 part name: CRT - 0004 part number: KVV 987 025...
- Page 48 EX Series Subwoofers · Accessories Speaker pole - universal description: part name: KV2-H - Heavy duty telescopic min - max part number: speakerpole 735 mm - 1230 mm 28,937" - 48.425" KVV 987 130 - 0,735 to 1,23 m - diameter 35 mm - weight 2,2 kg - max.
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Page 49: Warranty · Service
Service In the unlikely event that your EX Series Subwoofers develops a problem, it must be returned to an authorised distributor, service centre or shipped directly to our factory. Because of the complexity of the design and the risk of electrical shock, all repairs must be attempted only by qualified technical personnel. - Page 50 The Future of Sound. Made Perfectly Clear. KV2 Audio International Nádražní 936, 399 01 Milevsko Czech Republic Tel.: +420 383 809 320 Email: info@kv2audio.com www.kv2audio.com KVV120116-00-02-0...
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