K-Array KRM33 Users Manual
KRM33
Low prole variable coverage speaker
Patent pending
portable
KRM33
KAN200
Features
Selectable horizontal coverage
Extended frequency response
Strong stainless steel chassis
Controlled horizontal dispersion
The KRM33 or “the cheese box” as it has been affectionately nicknamed, is an ultra-compact and low-prole powered wedge
speaker with a controlled horizontal pattern and has an extended frequency response. It is made up of three 3.15” cone
drivers and one 6” passive radiator. This combination guarantees a controlled and linear emission on a really wide range, with
a bass enhancement mode that can go from 70Hz to 18KHz.
The KRM33 is equipped with a two channel amplier and a DSP that can be used to adjust the EQ directly inside the box.
An USB direct connection guarantees an easy plug & play connection. The DSP also offers the possibility of changing the
horizontal pattern of the single speaker and its bass response, two buttons located at the back of the box are used to quickly
change these settings without the need of a computer.
The controlled horizontal dispersion gives the possibility of creating horizontal arrays which increase the SPL and the coverage
while maintaining a high and constant signal-before-feedback within all the cluster’s beams.
The stainless steel chassis is a sturdy and durable box solution which is also remarkably short in height. Thanks to this
feature the KRM33 can be easily and discreetly integrated in scenography designs, broadcast studios as well as under-balcony
speakers in theaters.
All the components of the Redline KRM33 are designed by the K-array R&D department and made in Italy under the K-array
quality control system.
Applications
Arrayable wedge monitor
Ceiling and under-balcony speaker
Corporate installations
House of worship
Small clubs
Theatrical sound reinforcement
KRM33
portable
Speaker power handling
Frequency range
SPL 1W/1mt
Maximum SPL
Horizontal
Vertical
Type
Frequency
Horizontal pattern
Response
Analog connector
Connector
Connector
Type
Nominal power output
Protection
Frequency response
Damping factor 8Ω, 100 Hz
THD+N 1KHz, 1 W
Nominal voltage
Operating range
I. Nom
Quiescent power (with no signal in)
1
/8 rated power (pink noise) @ 4 Ω
Peak power
Dimensions
Weight
KRM33 specs
Acoustics
(AES)
180 W
70 Hz – 18 KHz +/- 3dB
93 dB
115 dB (cont.) – 121 dB (peak)
Coverage
DSP controlled (30° / 70° selectable)
90°
Crossover
DSP controlled
70 Hz minimum (preset dependent)
Transducers
3 X 3,15” Neodymiun cone driver with 1” voice coil
1 X 6” passive radiator
Selection Switch
Spot – Flood
Bass Enhancer
Audio Input
1 male + 1 female 3-pin balanced XLR
Remote Control Input
1 USB type B
Power Input
2 x PowerCon IN/OUT
Amplier
1 module class D - DSP controlled
2 X 125 W @ 4 Ω 1% THD + NOISE
Dynamic limiter - Over current - Short circuit
20 Hz – 20 KHz, all load +/- 0.5 dB
> 500
0.003%
AC Power
115 / 230 Vac auto switching
85 – 132 Vac 170 – 264 Vac 50 – 60 Hz
2 A / 115 Vac 1 A / 230 Vac
Consumption
10 W
110 W
660 W / 120 ms
Certication
40
IP
Physical
26.6 x 10.3 x 3.02 cm (10.47” x 4.06” x 11.89”)
5.2 Kg (11.59 lbs)
(1)
/ 100 Hz – 18 KHz +/- 3dB
(2)
Notes for data
1. Bass enhancer ON.
2. Bass enhancer OFF.
New materials and design are introduced into existing products without previous notice. Present
systems may differ in some respects from those presented in this catalogue.
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