19
Technical Specifications
Thunder-KS1 I
Thunder-KS2 I
Thunder-KS3 I
Thunder-KS4 I
Type
Active subwoofer
Transducers
12" neodymium magnet
woofer
18” neodymium magnet
woofer
21” neodymium magnet
woofer
2x 18” neodymium magnet
woofer
Frequency Response
1
35 Hz – 150/450 Hz (-6 dB)
crossover dependent
35 Hz – 150/450 Hz (-6 dB)
crossover dependent
30 Hz – 150/450 Hz (-6 dB)
crossover dependent
35 Hz – 150/450 Hz (-6 dB)
crossover dependent
Crossover
DSP-controlled, Low Pass @ 150 Hz up to 450 Hz, preset dependent
Max SPL
2
134 dB peak
137 dB peak
139 dB peak
141 dB peak
Coverage
Omni
Connectors
Line Input
2x XLR-F analog balanced / AES3 input
Mains
powerCON TRUE1 TOP, 16 A true mains
Networking and Data
1x RJ45
4x USB-A
Line Output
2x XLR-M Link analog balanced / AES3 output
Speaker Output
2x SpeakON NL4 (Ch1 1+/1- // Ch2 2+/2-)
DSP
Input gain, routing matrix, delay, full parametric IIR filters (Peaking, Shelving, Hi/Lo pass, Hi/Lo Butterworth),
On-board preset, Remote monitoring
Remote control
Wi-Fi dedicated APP | K-framework3 via wired Ethernet connection
Amplifier module
4-channel switching mode, Class D
Output power
3
4x 1500 W @ 4 Ω
4x 1500 W @ 4 Ω
4x 2500 W @ 4 Ω
4x 2500 W @ 4 Ω
MAINS Operating Range
100-240V AC, 50-60 Hz with PFC
Power Consumption
600 W @ 8 Ω load,
Pink noise, 1/4 rated power
600 W @ 8 Ω load,
Pink noise, 1/4 rated power
600 W @ 4 Ω load,
Pink noise, 1/4 rated power
600 W @ 4 Ω load,
Pink noise, 1/4 rated power
Protections
Over Temp. (Power Limiting – Thermal Shutdown), Short Circuit/Overload Output Protection,
Power Limiting, Clip Limiter/Permanent Signal Limiter, High Frequency Protection
IP Rating
IP53
Dimensions (WxHxD)
500 x 350 x 440 mm
(19.7 x 13.8 x 17.3 in)
650 x 500 x 580 mm
(25.6 x 19.7 x 22.8 in)
735 x 580 x 700 mm
(28.9 x 22.83 x 20.87 in)
1106 x 500 x 580 mm
(43.5 x 19.7 x 22.8 in)
Weight
21,6 kg (47.62 lb)
37,6 kg (82.9 lb)
56 kg (123.4 lb)
60 kg (132.3 lb)
1
Extensible with dedicated preset according to the midrange crossover point.
2
Maximum SPL is calculated using a signal with crest factor 4 (12dB) measured at 1 m.
3
CTA-2006 (CEA-2006) Amplifier Power Standards, single channel driven.
Thunder-KS
User Guide
P R E L I M I N A R Y
