KV2 audio KPAK2600 K RIG Series Subwoofer User Guide

KPAK2600 K RIG Series Subwoofer

K-RIG Series

User Guide

· KT2.0 · KT2.15 · KPAK2600

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.

K-RIG · Important Safety Instructions

Important Safety Instructions

Before using your K-RIG, 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.

3. Respect and review all warnings.

4. Follow all instructions.

5. Do not use this unit near water, in unprotected out door areas or in rain or wet conditions.

6. Clean only with dry cloth.

7. Do not block any ventilation openings.

8. Install in accordance with KV2 Audio’s recommended installation instructions.

9. Do not install near any heat sources such as heat radiators, heat registers, stoves or other apparatus  that produce heat.

10. Do not defeat the safety purpose of the grounding type plug. A grounding type plug has two blades  and a third grounding connector. The third connector is provided for your safety. If the provided plug   does not fit into your outlet, consult an electrician for replacement of the obsolete outlet.

11. Protect the power cord from being walked on or pinched, particularly at plugs, convenience receptacles.  The AC mains plug or appliance coupler shall remain readily accessible for operation.

12. Only use accessories specified by KV2 Audio.

13. Install the product only with rigging specified by KV2 Audio, or sold with the loud speaker.

14. Unplug this loudspeaker during lightning storms or when unused for long periods of time.

15. Refer all servicing to qualified service personnel. Servicing is required when the loudspeaker has been  damaged in any way, such as when the power-supply cord or plug has been damaged; liquid has been   spilled or objects have fallen into the loudspeaker; rain or moisture has entered the loudspeaker;   the loudspeaker has been dropped; or when for undetermined reasons the loudspeaker does not operate   normally.

16. Do not remove front or back panels. Removal of the panel will expose hazardous voltages.
    There are no user serviceable parts inside and removable may void the warranty.

17. An experienced user shall always supervise this professional audio equipment.

CAUTION: TO REDUCE THE RISK OF ELECTRIC SHOCK, DO NOT REMOVE THE PANELS.

NO USER-SERVICEABLE PARTS INSIDE. REFER SERVICING TO QUALIFIED PERSONNEL.

WARNING:  To prevent fire or electric shock, do not expose this equipment to rain or moisture.

K-RIG Series · Introduction

Introduction K-RIG Series
Thank you for purchasing this KV2 Audio – K-RIG system, consisting of the KPAK2600 controller/amplifier unit, KT2.0 Mid/Hi
speakers and one or two KT2.15 subwoofers per side of the stereo system. The K-RIG system has been developed as a high
output, easy to use system, where a competitive price is important. The K-RIG system has purposely been designed to be
used as a ground stack, accordingly the KT2.0 cannot be used separately without the KT2.15 and K-RIG must be assembled as
described in the enclosed user guide part “Using the system”.
Similar to our popular ES range, the K-RIG cabinets are fully active – driven by a proprietary amplifier, which delivers
equalized, and time aligned accurate signal to each of the components. One KT2.0 mid hi enclosure and up to two KT2.15
subwoofers can be driven by a single KPAK2600 Amplifier, which houses all signal processing and amplification, as well as
providing signal outputs for external additional subwoofer cabinets if required.
Please take some time to read this manual, to familiarize yourself with the advanced features of this system.

The amplifier compliment inside the KPAK2600 Amplifier is configured as:

• High Frequency – 200-watt, Class AB, Push pull, Low intermodulation design
• Mid Frequency – 500-watt, Class AB, High efficiency, Switch mode, Low intermodulation design
• Low Frequency – 1600-watt, High-efficiency, Current-enhancing switch mode with Linear

Active Filter

In most cases it would be advisable to use a KV2 Audio Line driver, (LD4) in addition between the mixer outputs and KPAK2600 Amplifier, to ensure that the line to the amplifier is driven correctly and the signal integrity maintained. Although this system is simple to operate, improper use can be dangerous. This is a very high-powered device that can put out high voltages and sizeable currents. Always use safe operating techniques with the K-RIG system.

FOR YOUR SAFETY, READ THE IMPORTANT PRECAUTIONS SECTION AS WELL AS THE INPUT, OUTPUT AND POWER CONNECTION SECTIONS OF THIS MANUAL.

KPAK2600 · Introduction

KPAK2600 – part number
KVV 987 324 (250V)
KVV 987 317 (230V)
KVV 987 323 (115V)

Application

Specifically designed as the amplification and control elements for the K-RIG loudspeaker systems

• Portable PA
• Dance clubs
• Reproduced music

Introduction

KPAK2600 is a three-way, active control and amplification unit specifically designed for the K-RIG Groundstack loudspeaker system. It houses all signal processing and three individual amplifiers in a road-rugged enclosure with built in cable storage compartment with suspension system and passive heat sink along with two demand-sensitive fans for added reliability.

Features

• 3-way, 2300W Control and Amplification system for use specifically with KT2.0 and KT2.15 speaker cabinets
• High Frequency, 200W, Class AB, push-pull, low intermodulation amplifier with transformer balanced outputs
• Mid frequency, 500W, Class AB, high efficiency, switch mode, low intermodulation design amplifier
• Subwoofer, 1600W, high efficiency, current enhancing, switching amplifier
• Complete, on board speaker management system including equalization, time alignment, crossover filters, amplifier overdrive protection, harmonics and output level controls
• AC soft start circuitry with ON/OFF AC breaker switch provides thorough power protection
• Passive heat dissipation design with demand-sensitive forced cooling back-up system
• Removable front cover provides storage of all AC and speaker cables
• Bass Character- Attack or extension switch alters the low frequency character
• Includes all speaker cables for a single stack K-RIG system

Unpacking

Unpack the KPAK2600 and check to see if there is any damage to it. If you find any damage notify your supplier immediately.
Only the consignee may institute a claim with the carrier for any damage incurred during shipping. Be sure to save the carton and all packaging materials for the carrier’s inspection. Should you ever need to ship the unit, only use the original factory packing. If the shipping carton is unavailable, contact your supplier to obtain a replacement.

KPAK2600 · Overview

Mounting
For additional reliability, the amplifier unit is mounted on a suspension system that isolates it from the shocks and impacts typically encountered on the road. For installations, use the EPAK2500 Wall mounting kit KVV 987 024.

The K-RIG Ground stack carton should contain:
• KPAK2600 Amplifier unit
• KT2.0 – Ground stack Active-Driven Mid-Hi module
• KT2.15 – Ground stack Active-Driven Bass module
• PowerCon detachable power cable
• Speakon cable 4.15 – 1,5m 4pin Speakon cable
• Speakon cable 4.40 – 4m 4pin Speakon cable for KT2.15
• Speakon cable 8.60 – 6m 8pin Speakon cable for KT2.0

KPAK2600 · Getting started

AC Power requirements
The KPAK2600 uses a standard PowerCon connector. The device must be connected to a suitable mains socket outlet with protective earthing connection.

Caution
The PowerCon is a connector without breaking capacity, i.e. the PowerCon should not be connected or disconnected under load or while it is alive. Always isolate your AC supply before disconnecting the PowerCon connector. If the On LED does not illuminate or the system does not respond to audio input remove AC power immediately. Verify that the voltage is within the proper range. If the problem persists, please contact KV2 Audio or an authorized service center.

Voltage requirements
Your KPAK2600 will be supplied pre set to the voltage used in your area. The table below provides typical current draw figures for the KPAK2600.

Cooling
The KPAK2600 has a comprehensive passive cooling system with demand-sensitive forced cooling backup, via speed controlled fans.

This means that the cooling system never drives air across PCB boards, connectors or components, ensuring prolonged electronic component lifespan and minimizing maintenance cycles.

It is important to have an adequate air supply around the amplifier allow the cooling air to flow. Do not expose the amplifier heat sink to direct sunlight.
If the heat sink gets too hot, its sensing circuit will open the output relay, disconnecting the load.

AC Input| Current draw
with amplifier running
at Average Power|

Current draw
with amplifier running
at Peak Power

---|---|---
250V| 8.25A| 12.5A
230V| 9A| 14A
115V| 18A| 28A

KPAK2600 · Features · Upper panel

Upper panel

Input set

1) Main Input
This is the main system balanced signal input connector.
2) Through signal out
Through Signal Output’ connector associated in parallel with Main input for sending unprocessed signal to other devices, such
as more KPAK2600’s to power more KPAK2600’s in a system.
3) Level
Adjusts the output level from -6dB to +6dB. This is the master level control for the system and will act on both the KT2.0
and the subwoofer output for the KT2.15.
4) Harmonics
This level knob serves as a harmonic expander, and adds harmonics to the original sound. This control serves to optimize performance of poor quality recordings, audio sources and devices. The Harmonics knob creates more high frequencies from the mid frequencies and ‘lights up’ the sound, giving an impression of space and improved intelligibility.

Master set

5) Hi Level
This is the level control for the Hi frequency driver output from -6dB to +3dB; it is ‘post’ the Master Level control.
6) Bass Level
This is the level control for the Low frequency driver output from -6dB to +3dB; it is ‘post’ the Master Level control.

System status

7) Attack / Extension
This switch turns on the Low frequency enhancement circuitry (EXTENSION position) which boosts frequencies around 60Hz
to enhance the lowest frequency band.
8) Power ON
This is a dual color LED, when green it indicates that the AC power is on. When red it indicates that the audio bass amplifier
limiter has been activated.
9) Signal preset / Mid – Hi limit
This is a dual color LED, green indicates when audio signal is present at the KPAK2600’s input. When red it indicates that the
audio mid-hi amplifier limiter has been activated.
10) Thermal (auto reset)
When red it indicates that the thermal limit of the KPAK2600 has been exceeded and the unit has shut down because of this.

KPAK2600 · Features · Bottom panel

Bottom panel

1) AC Mains switch
The KPAK2600 has a combination AC Mains switch/circuit breaker on the bottom panel. If the switch shuts off during normal use, push it back to the ON position once. If it will not stay on you should take the unit to qualified service personnel to have it serviced.
2) PowerCon Power Connector
Accepts a standard PowerCon terminated AC cable.
3) Fans
The cooling fans operate continuously while the KPAK2600 is on. An internal temperature sensor increases the speed of the fans during high temperature conditions.
4) Mid/Hi power output connector
Accepts a standard 8-pole Speakon terminated loudspeaker cable for connecting up to a single KT2.0 cabinet.
We recommend using original KV2 Audio cables (1.5m, 4pole Speakon cable – KVV 987 328 or 6m, 4pole Speakon cable – KVV 987 327)
5) Parallel low pass outputs
Allows you to connect additional subwoofers. Output 0° is in phase with the KT2.15 subwoofer output. Output 180° is phase reversed to the KT2.15 subwoofer output.
6) Subwoofer power output connector
Accepts a standard 4-pole terminated loudspeaker cable for connecting up to single KT2.15 or two KT2.15 subwoofers in parallel. We recommend using original KV2 Audio cables (4 Pole Speaker Cable – KVV 987 326 or KVV 987 327).

KPAK2600 · Specifications

Specifications

High Frequency Amplifier Specification
Type Class AB Push-Pull low intermodulation Mosfet design
with transformer balanced output
Rated Continuous Power 200W
Distortion <0.05%
Operating Bandwidth 1.4kHz to 20kHz

Mid Frequency Amplifier Specification
Type Class AB, High efficiency, Switch mode,

Low intermodulation design
Rated Continuous Power 500W
Distortion <0.05%
Operating Bandwidth 180Hz to 1.4kHz
Low Frequency Amplifier Specification
Type High efficiency, Low frequency,
Current-enhancing switch mode
Rated Continuous Power 1800W
Distortion <0.05%
Operating Bandwidth 20Hz to 200Hz

Signal Input
Input Sensitivity 1V RMS
Input Impedance 20kΩ (balanced)

Speaker Output
Speaker Output Speakon 8pin (Mid/Hi), 4pin (Sub)

Power
Power Connector Neutrik PowerCon®
Operating Voltage 100 to 120V@60Hz | 205 to 240V@50Hz | 225 to 260V@50Hz
Recommended Amperage 20A 115V | 10A 230V | 10A 250V

Physical Dimensions
Height 719 mm (28.30″)
Width 478 mm (18.81″)
Depth 305 mm (12.00″)
Weight 38 kg (83.78lbs)

KPAK2600 · Block diagram

Block diagram

KPAK2600 · Using the system

Using the system
The KPAK2600 is designed to actively power one KT2.0 Mid/Hi cabinet and associated one KT2.15 or two KT2.15 subwoofers in parallel.
The K-RIG System is designed to be used as a ground stack. The KT2.15 subwoofers serve as the base for the KT2.0 Mid/Hi cabinet and the KT2.0 and KT2.15 cabinets MUST be installed close together.
If the system were installed separately, it negatively affects the sound quality and dispersion because of the incorrect phase addition of the low mid drivers.

The KT2.0 Mid/Hi can be stacked on the one or two KT2.15 subwoofers.

KT2.0 Mid/Hi with two KT2.15 subwoofers

KT2.0 Mid/Hi with two KT2.15 subwoofers

KT2.0 Mid/Hi with one KT2.15

KT2.0 · Overview

Application
Specifically designed as a Mid/Hi speaker for the K-RIG
loudspeaker systems
• Portable PA
• Dance clubs
• Reproduced music

Introduction
The KT2.0 is the Mid High Module for K-RIG. Its two-way horn loaded design provides optimal output and coverage that far exceeds that of a normal frontloaded 12 and horn box or a number of small line array elements. It consists of a horn loaded high power 12″ mid bass speaker with integral phase plug and a 2.5″ titanium diaphragm compression driver on an 80° H x 40° V constant directivity, wide dispersion horn. The KT2.0 is driven and controlled by two channels of the K-PAK controller amplification system and must be used with two KT2.15 bass speakers. It is constructed of baltic birch to reduce weight for ease of stacking and coated in a heavy-duty, wear resistant polymer coating.

Features

• Professional Baltic birch construction with wear resistant polymer coating
• 132dB sustained output, 135dB peak
• Controlled wide dispersion 80° x 40°
• 2.5″ (64 mm) Titanium diaphragm compression driver with complex geometry phase plug and ferrite magnetic structure
• Horn loaded, 12″ mid-bass driver, with a 2.5″ (64 mm) voice coil and ferrite magnetic structure
• Two way active requirement – 700W from the KPAK Amplifier providing 500W for the 12″ low mid and 200W for the high frequency driver
• Proprietary side handle design for simplified handling and carrying
• High impact low friction feet, for lock-in and easy cabinet movement

KT2.0 · Specifications

Specifications

System Acoustic Performance
Max SPL Long-term 132dB
Max SPL Peak 135dB
-3dB Response (+ 2x KT2.15: 42Hz) 180Hz to 18kHz
Crossover Point 180Hz / 1.4kHz

High Frequency Section
Acoustic Design Horn Loaded
High Horn Coverage Horizontal / Vertical 80° x 40°
Throat Exit Diameter / Diaphragm Size 1.4″ / 2.5″
Diaphragm Material Titanium
Magnet Type Ferrite

Mid-Bass Section
Woofer Size / Voice Coil Diameter / Design 12″ / 2.5″ / Inside Outside
Diaphragm Material Epoxy Reinforced Cellulose
Magnet Type Ferrite

Speaker Input
Speaker Input 2x Neutrik Speakon® – NL8

Cabinet
Cabinet Material Baltic birch
Handles 2
Pole Mount 1
Color “Orange peeled” Matt Black

Physical Dimensions
Height 852 mm (33,54″)
Width 550 mm (21.66″)
Depth 375 mm (14.76″)
Weight 40 kg (88.2lbs)

KT2.0 · Drawing

Drawing

KT2.15 · Overview

Application
Specifically designed as a subwoofer of K-RIG loudspeaker
systems
• Portable PA
• Dance clubs
• Reproduced music

Introduction
The KT2.15 is a subwoofer designed as a part of K-RIG loudspeaker system. Incorporating quality components specially matched with electronics, the unit is designed for varied applications, with extreme output and quality performance when accompanied by the KT2.0 Mid/Hi module as a system. Parts of the Ground stack Active Driven System The KT2.15 double 15″ subwoofer is compact, designed as a part of the K-RIG system Active Driven by the KPAK2600 amplifier / controller.

Features

• Professional, Baltic birch construction with wear resistant polymer coating
• 130dB sustained output, 133dB peak
• Excellent reproduction of bass frequencies with high transient content at high output levels
• 2 x 15″ high output, low frequency driver with 3″ (75 mm) inside/outside, epoxy baked, high temperature, voice coil assembly and ferrite magnetic structures
• Two recessed side handles for simplified handling and carrying

KT2.15 · Specifications

Specifications

System Acoustic Perfomance
Max SPL Long-term 130dB (133dB 2 Units)
Max SPL Peak 133dB (133dB 2 Units)
-3dB Response 42Hz to 180Hz
Impedance 8Ω

Low Frequency Section
Acoustic Design Twin Asymmetrical loading
Woofer Size / Voice Coil Diameter / Design 15″ / 3″ / Inside Outside

Speaker Input
Speaker Input 2x Neutrik Speakon® – NL4

Cabinet
Cabinet Material Baltic birch
Handles 2
Pole Mount 1
Color “Orange peeled” Matt Black

Physical Dimensions
Height 1000 mm (39.37″)
Width 550 mm (21.65″)
Depth 570 mm (22.44″)
Weight 61 kg (134.5lbs)

KT2.15 · Drawing

Drawing

K-RIG Series · Accessories

Cart Wheels
part name: Cart Wheels (Cart 0009)
part number: KVV 987 128
description: –with bolts nut kit
–4 pcs in pack, rotating, blue
–16x M8x 35mm Screw Countersunk Hexagon Socket Head
–16x Nut Hexagon with blue plastic insert M8

Short joining bracket for K-RIG
part name: Short joining bracket for K-RIG
part number: KVV 987 318
description: –2 pcs in pack
–4 pcs Quick-lock-pins 6mm included
–4 pcs M10 hex screws with a hole included

K-RIG Security pole
part name: K-RIG SECURITY POLE
part number: KVV 987 325
description: –used to fix KRIG speakers among themselves
–4 pcs in pack

Bass speaker cable Speakon 4.40
part name: CABLE SPEAKON 4.40
part number: KVV 987 327
description: –4 wire speaker cable
–Speakon NL4 connectors
–4m (13ft)
— for K-RIG Bass Module hook-up

KT2.15 Wheels kit
part name: CRT 009 KT2.15 Whl kit
part number: KVV 987 355
description: –4x Wheel (2x with brake)
–16x M8x16mm Screw Hexagon Head
–16x M8 Washer Serrated

Wallmount bracket for KPAK2600/EPAK2500

****part name: Wallmount bracket for EPAK2500
part number: KVV 987 332
description: –wall mounting kit for installing an EPAK2500 or KPAK2600
— for 1pc EPAK2500 or KPAK2600

Bass speaker cable Speakon 4.15
part name: CABLE SPEAKON 4.15
part number: KVV 987 326
description: –4 wire speaker cable
–Speakon NL4 connectors
–1,5m (5ft)
— for K-RIG Bass Module hook-up

Mid/Hi speaker cable Speakon 8.60
part name: CABLE SPEAKON 8.60
part number: KVV 987 328
description: –6 wire speaker cable
–Speakon NL8 connectors
–6m (20ft)
— for K-RIG Mid/Hi Module hook-up

K-RIG Series · Basic Configurations

Basic Configurations

Two KT2.0 with two KT2.15 with external subwoofer 1x KT2.15 per side

Number of bass boxes and SUB LEVEL setup – depend on music style.
One side of stereo single system.

K-RIG Series · Warranty · Service

Warranty
Your K-RIG Series is covered against defects in material and workmanship.
Refer to your supplier for more details.

Service
In the unlikely event that your K-RIG Series develops a problem, it must be returned to an authorized 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.
If the unit needs to be shipped back to the factory, it must be sent in its original carton. If improperly packed, the unit may be damaged.
To obtain service, contact your nearest KV2 Audio Service Centre, Distributor or Dealer.

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

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