CADENBACH ACOUSTICS GAJA User manual

GAJA Manual volume: E 0.1

GAJA 2x 12 inch 3 way FIR point source horn loudspeaker
Safety precautions
YOU ART. WE SOUND.
Potential risk of personal injury
Never stand in the direct sound beam close to a loudspeakers driven at a high level.
Professional loudspeaker systems can cause sound pressure levels that could harm
human health. Noncritical sound levels at about 90 dB can cause hearing damage if
people are exposed to it over a longer period.
In order to prevent accidents when deploying loudspeakers on the ground or when
own, please take note of the following:
• When setting up the loudspeakers or loudspeaker stands, make sure they are
standing on a rm surface. If you place several systems on top of one another, use
straps to secure them against movement.
• Only use accessories which have been tested and approved by Cadenbach Acous-
tics for assembly and mobile applications. Pay attention to the correct application
and maximum load capacity of the accessories.
• Ensure that all additional hardware, xings and fasteners used for installation or
mobile use are of an appropriate size and load safety factor. Pay attention to the
manufacturers instructions and to the relevant safety guidelines.
• Regularly check the loudspeaker housings and accessories for visible signs of
wear and tear, and replace them when necessary.
• Regularly check all load bearing bolts in the mounting devices.
Potential risk of material damage
Loudspeakers produce a static magnetic eld even if they are not connected or not
in use. Therefore make sure when erecting and transporting loudspeakers that they
are not near equipment and objects which may be impaired or damaged by an ex-
ternal magnetic eld.
WARNINGS ON THE SPEAKERS BACK PLATE:
THIS EQUIPMENT CAN GENERATE EXTREME SOUND PRESSURE LEVELS THAT CAN LEAD TO
PERMANENT HEARING DAMAGE.
THIS SURFACE MAY REACH HIGH TEMPERATURES WHILE IN USE.
TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK DO NOT EXPOSE THIS EQUIPMENT TO
RAIN OR MOISTURE.
NO USER SERVICEABLE PARTS INSIDE. REFER SERVICING TO QUALIFIED PERSONNEL.
ONLY PERSONAL CERTIFIED TO BE TRAINED BY CADENBACH ACOUSTICS, HAVING PASSED
S1 COURSE SHOULD SETUP THIS SYSTEM, OTHERWISE ANY WARRANTY IS VOID. SEE COR-
RESPONDING MANUAL.
MADE IN GERMANY / EU
www.cadenbach.eu

Product description
YOU ART. WE SOUND.
Overview
GAJA is a 3 way point source full horn loaded loudspeaker where two 12 inch speakers are
working into the same horn as the coaxial mid high section build into an acoustical optimise
trapezoid design with integrated absorber chamber. GAJA offers 6 aero mounting points for
maximum mounting freedom. Even full active equipped GAJA is still light wight for it’s size
and offers in all version more than 143 dB SPL at 1 meter. This enables the system to be
used as main Loudspeaker system either as single speaker or in multiple horizontal speaker
array arrangement.
GAJA was designed for high efciency high power sound reproduction keep high resolution at
any time. The full horn loaded CD design of GAJA offers constant directivity and dispersion
control with 65° horizontal and 40° vertical dispersion, where exceptional dispersion control
is already reached at 250 Hz.
The total symmetric D’Appolito construction of the double 12 inch Low frequency neodymium
cone with it’s 3 inch voice coil and coaxial Mid To High 1.5 + 1.0 inch exit driver section is full
horn loaded an both section are working into the same horn main horn. The coaxial 2 way
ring radiator design of the Mid to High compression driver has got a 3.5 inch Mid frequency
and a 1.75 inch High frequency voice coil delivering extra high excursion possibilities and
radiates distortion free sound from 600 Hz up to 35 kHz.
HORUS is the dedicated low frequency extension with offers full ground stack support for
GAJA, anyway all cadenbach acoustic sub woofers can be chosen to run with GAJA.
On order GAJA incorporates a very power full two channel frequency modulated oating
modulator amplier. Due to it’s advanced high efciency power technology it runs at any mo-
ment at very low temperature and needs no fan cooling at all.
Operation
The frequency and phase response of GAJA is exceptional smooth at very low THD. GAJA can
run full passive or 2 way active in linear phase mode by using Cadenbach Acoustics FIR lter
of the HEIMDALL D1 digital controller. It’s full horn loaded design offers CD dispersion control
in normal horizontal point source mode.
Applications
• Medium to bigger tents or concert halls, theatres and houses of worship.
• Medium to bigger main system sound reinforcement.
• Side or front ll system, distributed system, ground stack system.
Features
• Trapezoid design with very high output level, with optional integrated amplier
• Optimal integration with HORUS sub woofer for various ground stack congurations.
• Full horn loaded CD design and Cadenbach Acoustics FIR lters.
• Six integrated aero ying points for various own congurations
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GAJA 2x 12 inch 3 way FIR point source horn loudspeaker

Technical Specications
Transducers
• Low frequency: 2 x 12 inches
(320 mm) Neodymium
• Mid frequency: 1.5 inches
(38 mm) Neodymium
• High frequency: 1 inches
(25.4 mm) Neodymium
Voice coil size and impedance
• Low frequency: 2 x 3 inches
(101.6 mm) Al, 8 ohms
• Mid frequency: 3.5 inches
(90 mm) Cu, 16 ohms
• High frequency: 1.75 inches
(44.4 mm) Cu, 16 ohms
Diaphragm size
• Mid frequency: 3.5 inches
(90 mm) Polyester
• High frequency: 1.75 inches
(44.4 mm) Polyester
Exit size
• Mid + High frequency: 1.5 + 1 inches
(38 mm) port
Nominal Impedance
• Low frequency: 2 x 8 ohms
• Mid + High frequency: 16 ohms
passive
• Passive: 4 ohms Z=6 ohms
Output at 1m
• 145 dB SPL ( 3 )
driven with PAX P16 143 dB
driven with internal amps 145 dB
Sensitivity (SPL at 1m)
• Low frequency: 106 (300 Hz) dB / 135 dB
cont. at 800 watts
• Mid frequency: 118 (900 Hz) dB / 140 dB
cont. at 150 watts
• High frequency: 119.5 (9 kHz) dB / 138.5 dB
cont. at 80 watts
Power Handling
• Low frequency: 3000 watts peak
800 watts AES
1600 watts program
rec. amp power on 4 ohms
2800 watts
• Mid + High frequency: 1000 watts peak
150 watts AES
400 watts program
rec. amp power on 4 ohms
2800 watts
• Passive: 3000 watts peak
800 watts AES
1600 watts program
rec. amp power on 4 ohms
2800 watts
Data
Crossover type and frequency
• Filter type active / passive: FIR zero phase
Low to Mid: 650 - 850 / 700 Hz
• Filter type passive: None / FIR zero phase
Mid to High: 6 kHz
• Sub to Low: 70 Hz - 130 Hz
Frequency and Phase response
• Usable frequency rang: 45 Hz - 23 kHz ( 1 )
• Free eld frequency response: 68 Hz - 21.5 kHz
(-5 dB) linearity (+/- 0.5 dB)
• Phase response: 0° +/- 2°
from 280 Hz to 23 kHz
Size and weight
• Height: 37.24 inches (946 mm)
• Width: 22.52 inches (572 mm)
• Depth: 22.68 inches (576 mm)
• Weight:
110.23 lbs (50 kg) passive model
114.64 lbs (52 kg) active model
Coverage
• Horizontal coverage:
65°
• Vertical coverage:
40°
Speakers per PAX P16 channel
• For external powered model:
2( 2 ) parallel via link
Connection
• For 2 way external powered model 212HA:
2 x NL4 (1+/1- Low, 2+/2- Mid + High)
• For passive model 212HP:
2 x NL4 (1+/1- Low, 2+/2- sense)
( 1 ) Full-range mode, pro-
viding 121 dB @ 45 Hz
( 2 ) possible only with short
length cables.
( 3 ) SPL max peak, test
signal: pink noise with crest
factor 6 dB.
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GAJA 2x 12 inch 3 way FIR point source horn loudspeaker

Data
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Technical Specications
Internal Amp module
• Type of output stage: free oating
modulator FM out put power stage
• Total output Power and Volts:
into 8 ohms
Music: 2 x 2800 watts at 150 Vpk
RMS: 2 x 1400 watts at 106 V
• Low frequency:
3000 watts peak / 1500 watts rms
• High frequency:
1400 watts peak / 700 watts rms
Audio specications
• IM: 0,05% (SMPTE)
• DIM: 0,005% (DIM 100)
• THD: 0,02% (+N 20 Hz – 20 kHz)
Audio input Connection
• XLR 5 pin, (with internal Controller XLR 3 pin)
female in and male link out
5pin: 1g, 2 LF+, 3 LF-, 4 HF+, 5 HF-,
3pin: 1g, 2 +, 3 -
Audio input Impedance
• 20 kOhms symmetric (between + and -),
• 10 kOhms non symmetric (- grounded).
Ac Power connection
• Powercon 25 A blue in and white link
(max 12,6 A link)
Ac Power specications
• 180 – 265 V AC 50 Hz / 2200 VA
Mechanical specications
• Mounting: 6 Aluminum aero quip
• Working load: 12 x Speaker-weight
• Construction: 15 - 27 mm Plywood
steal grill with foam, powder coated,
inside acoustic carpet,
foam and glue damping.
Internal amp module mounted on 7 mm
aluminum back plate with total passive fan
free cooling.
GAJA 2x 12 inch 3 way FIR point source horn loudspeaker