K-array KK102 User Manual

Kobra

KK52/KK102

USER’S MANUAL

English

Contents

SYMBOLS 5

1. INTRODUCTION 7

2. APPLICATIONS 7

3. KEY FEATURES 7

4. UNPACKING 8

5. WARRANTY 8

6. SAFETY 8

7. PHYSICAL 9

8. REAR PANEL 11

9. COVERAGE 12

10. WIRING 14

11. PROTECTION CIRCUITRY 14

12. ACCESSORIES AND CONFIGURATIONS 15

K-Fly2 16

K-Joint2 16

K-Wall2L 17

K-Wall2 17

K-KCluster2 / K-PCluster2 18

K-Foot2 18

K-KStage2 / K-PStage2 19

13. SERVICE 19

14. SPECIFICATIONS 20

K-Base2 15

KK52/KK102

REV. A

3

KK52/KK102

REV. A4

KK52/KK102

SYMBOLS

K-array declares that this device is in compliance with applicable CE standards and
regulations. Before putting the device into operation, please observe the respective

country-specic regulations!

WEEE

Please dispose of this product at the end of its operational lifetime by bringing it to your local
collection point or recycling center for such equipment.

This symbol, wherever it appears, alerts you to important operating and maintenance
instructions in the accompanying literature. Read the manual!

REV. A

Warning! Dangerous voltages: RISK of electric shock.

This symbol alerts the user to the presence of recommendations about the product’s use
and maintenance.

This device complies with Restriction of Hazardous Substances Directive.

5

KK52/KK102

REV. A6

KK52/KK102

1. INTRODUCTION

The K-array Kobras are passive speaker systems, comprised of 2 ” neodymium magnet transducers housed

in an elegant and sturdy stainless steel chassis. Available in t wo lengths, the KK52 features 8 drivers in a 0.5

m (19.7”), while the K K102 features 16 drivers a 1 m (39.4”) chassis. The ver tical dispersion pattern can be

switched for wide or narrow c overage, allowing for a great variety of applications. The Kobra’s closely spaced

cone drivers provide phase coherence, low distortion and focused listening both up close and at a distance.

To accommodate a range of applications, the vertical dispersion pattern c an be switched for either wide or

narrow coverage. Optional rigging and linking accessories allow multiple speakers to be interconnected,

creating a wide array of vertical and horizontal conf igurations for temporary or per manent installation.

For integration with other speakers or amplif ier s, the KK52 an d KK102 offer se lec table impedance (16Ω /6 4Ω

for the KK52 an d 8Ω /3 2Ω for t he K K102). Set to 64Ω up to ei ght KK52s can be powered via a singl e am plifier

channel, simplifying installation of wider distributed installed systems.

Kobras are able to reproduce the entire vocal frequency range with excellent intelligibility, star ting from 150 Hz.

Integrating powered subwoofers from K-array’s Redline series (KMT12, KMT18, KMT21) ensures excellent

coverage of the entire musical frequency range.

K-array ’s KA amplifier series also features custom presets, optimized for use with the Kobra series.

All Kobra components are designed by K-array and custom-made under K-array’s quality control system.

2. APPLICATIONS

• Theatres, Club, Churches

• Front ll and under-balcony ll

• Portable and installed AV systems

• Stage and AV studio monitoring

REV. A

3. KEY FEATURES

• Unique performance-to-size ratio

• Vertical, Horizontal and 3D line-array applications

• Multiple 2” long-excursion full-range cone drivers

• Wide horizontal coverage

• Electronically protected

• Selectable impedance (KK52: 16 / 64 Ω,
KK102: 8 / 32 Ω)

• Selectable vertical pattern (Spot / Flood)

• Weather proof, suitable for outdoor installations

• Available in black or white

7

KK52/KK102

4. UNPACKING

Each K-a rray lou dspeaker is built to t he highe st standard and thoroughly inspec ted befo re leavin g the factory. Upo n arriva l,
carefully insp ect the shipping c arto n, then exa mine and te st your new l oudspe aker. If you fi nd any damag e, immediately
notif y the ship ping co mpany. Only t he consignee may institute a claim pr ocedure regarding the system’s elec tronic e quipme nt.

5. WARRANTY

K-array systems are warranted against manufacturing defects in materials or craftsmanship over a period of 2
years from the date of original purchase. During the warranty period K-array will, at its discretion, either repair or
replace products which prove to be defective provided that the product is returned in its original packaging, shipping
prepaid, to an authorized K-array service agent or distributor. K-array cannot be held responsible for defects caused

by unauthorized modications, improper use, negligence, exposure to inclement weather conditions, acts of God

or accidents, or any use of this product that is not in accordance with the instructions provided by K-array. K-array
is not liable for consequential damages. This warranty is exclusive and no other warranty is expressed or implied.
This warranty does not affect your statutory rights.

6. SAFETY

WARNING

• Only install the speaker in a location that can

structurally support the weight of the unit. Doing
otherwise may result in the unit falling down and
causing personal injury and property damage.

• Professional loudspeakers are capable of

producing extremely high sound levels and should
be used with care. Hearing loss is cumulative and
can result from extended exposure to levels in
excess of 90dB.

• Do not operate the speaker for an extended period

of time with the sound distorting.This is an indication
of malfunction, which can cause heat build-up and

result in a re.

• Never stand close to loudspeakers driven at high level.

• Suspending the system should only be done by
qualied personnel, following safe rigging practices.
Secure xings to the building structure are vital.

If there is any doubt, seek professional help from
architects, structural engineers or other specialists.

• No open ame sources, such as lighted candles,

should be placed near the device.

• Do not attempt to disassemble the unit. The unit
contains no user serviceable parts. Repairs should
be performed only by factory trained service
personnel.

REV. A8

7. PHYSICAL

KK52/KK102

12 cm

4.72”

5.9 cm

2.32”

50 cm

19.7”

KK52

REV. A

8.1 cm

3.19”

weight: 2.3 kg (5.07 lbs)

9

KK52/KK102

2.75 cm

1.08”

12 cm

4.72”

5.9 cm

2.32”

KK102

100 cm

39.4”

2.75 cm

1.08”

8.1 cm

3.19”

weight:

4.8 kg (10.58 lbs)

REV. A10

8. REAR PANEL

KK52/KK102

REV. A

1 12

1) Mounti ng screw h oles. M ost K-ar ray mount ing or fl ying acc essor ies are d esigne d to screw i nto the spe akers

using th ese holes. The KK 52 is equip ped wit h two scr ew holes , while th e KK102 is equip ped with f our.

2) I mpedan ce switc h. Selects the im pedanc e of the speaker. Impedance must be set to hig h (64 Ω for K K52 and

32 Ω for KK102) when s peakers are drive n by KMT active modu les. Low im pedanc e may be use d when spe akers are

driven by m ost KA s eries a mplif iers (K A3, K A7, KA10). Please refer to your amplifier’s spec ific ations t o selec t the
correct speaker impedance for your configuration.

3

3) C overage s witch. S elects the vertical di spersion of the s peaker. Floo d coverage sets a wi de vert ical

diffusion an gle of 60° (KK52) / 35° (KK102). Flo od cover age is su ggeste d for sin gle speakers in di ffus ed (image 1)

shor t throw applicat ions, to o btain ma ximum di ffusion with a m inimum fo otpri nt. Spot c overage s ets a narr ower

verti cal dif fusi on angle of 10° (KK 52) / 7° (KK102). Sp ot coverage is recommended for long thr ow or mon itoring

applications (image 2). In most mul ti-speaker applicat ions, set coverag e to Spot (image 3). A c ombina tion of Fl ood
and Spot m ay also be ef fective for dow nfill ap plications (image 4).

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KK52/KK102

9. COVERAGE

Img1: Flood coverage

Img2: Spot coverage

REV. A12

Img3: Array - spot cover age

KK52/KK102

REV. A

Img4: Array - D ownfill applic ation

13

KK52/KK102

10. WIRING

Kobra KK52 and KK102 internal wiring is designed to pick up audio power signal from pins 1+ / 1- of a NL4

connector. 2+ and 2- pins, such as 1+ and 1-, are directly wired from one socket to the other, so signal can
pass through multiple KK modules without additional external cabling.

11. PROTECTION CIRCUITRY

Speakers are electrically protected from brief power overloads, within a reasonable range. Overloading the
speaker for extended periods of time can cause damage, so proper system design is strongly advised.

REV. A14

KK52/KK102

12. ACCESSORIES AND CONFIGURATIONS

K-array offers a variety of dedicated accessories to mount and interconnect KK (Kobra) and KP (Python) series

speakers for a wide array of possible congurations.

K-Base2

Standing accessory for KK/KP speakers. For proper installation and operation, use with K-Foot2 and K-Joint2.

TIPS: where possible, screw the feet of K-Base2 to the ground.

REV. A

K-Foot2 K-Joint2

WARNING

Before connecting KK/KP series speakers to a K-Base 2, check the stability of the

ground where K-Base 2 is to be placed.

K-Base 2 should not be placed in a zone accessible to the audience.

Take maximum precaution in highly windy locations, especially when screwing the
K-Base2 to the ground is not possible.

15

KK52/KK102

K-Fly2

Flying accessory set for KK/KP speakers.
For proper installation and operation, use with K-Joint2.

WARNING

Consult the dedicated product manual for
safety information and operation details.

K-Joint2

K-Joint2

Attachable joint to link a KK/KP speaker to most accessories
or to another KK/KP speaker with continuously variable

angle (-10° <.... > 10°).

REV. A16

KK52/KK102

K-Wall2L

Wall / stand mounting accessory for KK/KP speakers with bi-dimensional tilting features.

K-Wall2L is designed to be screwed directly to the mounting screw holes of KK/KP speakers. When used with

KK102 it can be screwed to the internal or the external screw holes depending on the width of the desired angle.

K-Wall2

Wall mounting accessory for KK/KP speakers with full 3-dimensional tilting features.

K-Wall2 is designed to be screwed directly to the mounting screw holes of KK/KP speakers. When used with

KK102, the K-Wall2 can be screwed to either internal or external screw holes, depending on the width of the
desired angle.

REV. A

17

KK52/KK102

K-KCluster2 / K-PCluster2

Wall mounting accessory for a horizontal cluster of three KK52/102 speakers.

K-KCluster 2 / K-PCluster 2 comes in a set of three different models: one with no angle between the three hanging

speakers, one with a 30° angle between speakers, one with a 60° angle between speakers.

0°

30°

60°

0°

30°

60°

K-Foot2

35 mm pole mounting accessory.
A 35 mm threaded pole is included for connecting additional K-array products such as KMT subwoofers or K-Base2.

REV. A18

KK52/KK102

K-KStage2 / K-PStage2

Ground laying accessories for KK/KP series speakers.

K-KStage 2 / K-PStage 2 allow users to safely lay KK / KP series speakers on the ground with three different
angles: 0°, 30° and 45°. Ideal applications are monitoring and front-ll.

13. SERVICE

To obtain service:

1) Contact the ofcial K-array distributor in your country. Your local distributor will direct you to the appropriate

service center.

2) If you are calling for service, please have the serial number(s) of the unit(s) available for reference. Ask for Cus-

tomer Service, and be prepared to describe the problem clearly and completely.

3) If the problem cannot be resolved over the phone, you may be required to send the unit in for service. In this

instance, you will be provided with an RA (Return Authorization) number which should be included on all shipping
documents and correspondence regarding the repair. Shipping charges are the responsibility of the purchaser.

Any attempt to modify or replace components of the device will invalidate your warranty. Service must be perfor­med by an authorized K-array service center.

Cleaning:

Use only a soft, dry clot h to clean the hous ing. Do not use any solvents, ch emicals, or cle aning solutions
conta ining alc ohol, a mmonia , or abras ives. Do no t use any spr ays near th e produc t or allow l iquids to spill
into any openings.

REV. A

19

KK52/KK102

14. SPECIFICATIONS

Speakers power handling 200 W

Frequency range 150 Hz - 20 KHz .

KK52

Acoustics

(AES)

Max po wer 400 W

Impedance 16Ω or 64Ω (select able)

SPL 1W / 1mt 95 dB

Maximum SPL 118 dB continuo us - 124 dB peak

Horizontal 110 °

Vert ica l 10°- 60° (selectable)

Typ e External Crossover required

Frequency High pass @150 Hz, 24 d B/oct su ggeste d minimu m

Transducers

Full range 8 x 2” Neo dymium magnet wit h 0.75” voice coil

Power Audio Input

Connectors 2 x 4-pin Speakon

Wiring 1+ 1-

(signal IN & LI NK); 2+ 2- (through)

Selection Switch

Vertical pattern Spoot - Fl ood

Impedance 16 Ω - 64Ω

Dimensions 8.1 x 50 x 5.9 cm (3.19” x 19.7” x 2.32”)

Weight 2.3 kg (5.07 lbs)

1. Maximum R MS appli cable pow er for a musi cal signa l, the

referenc e signal is the one pr oposed by EI AJ standard.

2. Measur ed @4 mt then scaled @1 mt

New mater ials and de sign are int roduce d into existi ng

produc ts without previ ous notice. Pre sent systems may dif fer

in some res pects from those p resented in this br ochure.

1

2

Coverage

Crossover

Physical

REV. A20

KK102

Acoustics

Speakers power handling 400 W

Max po wer 800 W

Impedance 8Ω or 32Ω (selectable)

Frequency range 150 Hz - 20 KHz .

SPL 1W / 1mt 98 dB

Maximum SPL 124 dB conti nuous - 130 d B peak

Coverage

Horizontal 110 °

Vert ica l 7°- 35° (selectable)

Crossover

Typ e External Crossover required

Frequency High pas s @150 Hz, 24 dB/oct suggested minimum

Transducers

Full range 16 x 2” Neodymium ma gnet wit h 0.75” voice c oil

Power Audio Input

Connectors 2 x 4- pin Spe akon

Wiring 1+ 1-

Vertical pattern Sp oot - Floo d

Impedance 8Ω - 32Ω

Dimensions 8.1 x 100 x 5.9 cm (3.19” x 39. 4” x 2.32 ”)

Weight 4,8 Kg (10.58 lbs)

1. Maximum R MS appli cable pow er for a musi cal signa l, the

2. Measur ed @4 mt then scale d @1 mt

(signal IN & LI NK); 2+ 2- (through)

Selection Switch

Physical

referenc e signal is th e one propo sed by EIAJ stan dard.

New materials and design are introduced into existing

products without previous notice. Present systems may differ

in some res pects from thos e presented in this b rochure.

KK52/KK102

(AES)

1

2

REV. A

21

KK52/KK102

REV. A22

KK52/KK102

The contents of th is manual a re furn ished fo r inform ationa l purpo ses only. Hp Sound Equipment s.r.l. as sumes no r espons ibilit y
for any er rors or inacc uracies that m ay appear in this m anual. Hp Sound Eq uipment s.r.l. res erves the ri ght to make modif ications
without prior notice.

REV. A

23

UMC029AA01ENA

K-array s.r.l. unipersonale

Via Paolina Romagnoli - 50037
San Piero a Sieve (Firenze) - Italy
tel. [phone] - fax. [phone]
e-mail: [e-mail]

www.k-array.com