3
K-framework3
WINDOWS and OSX software
Introduction
The Thunder-KS subwoofers are available in two versions:
self powered (active) and passive loudspeakers. The former
implement 4-channel power amplifier module with built-in
DSP, the latter shall be driven by either an external K-array
power amplifier or by another Thunder-KS active subwoofer.
Getting Started
According to the version and model, follow these steps to
make the system operating:
Active Subwoofer (KS1 I, KS2 I, KS3 I, KS4 I)
1. Connect the input and output signal cables according to the
configuration you want to achieve (see “Wiring”, page 6).
2. Connect the power cord to an AC mains socket outlet and to the
powerCon TRUE connector on the Thunder-KS rear panel: the
Thunder-KS switches on when the powerCon TRUE connector is
locked and electricity flows from the AC mains.
3. Hold your mobile device (smartphone or tablet):
a. ensure the Wi-Fi connectivity is on;
b. in Android based systems the app looks for any Wi-Fi network
whose SSID name starts with “K-array”; swipe down to force
refresh the list of available networks;
c. if the list of available devices is empty touch the SCAN QR CODE
button and use the mobile device camera to frame the QR code at
the top left corner of the Thunder-KS rear panel: this provides the
mobile device to connect to the Thunder-KS Wi-Fi network;
d. enter the password to connect to Thunder-KS active subwoofer
(see “Connection and Discovery”, page 8 for details).
4. In the K-array Connect app bottom menu, select PRESET and touch
the compass button in order to check or set loudspeaker configuration
(see “Output configuration”, page 11), i.e. that the presets match the
actual configuration of passive subwoofer and Hi/Mid-range speakers
connected to the Thunder-KS rear speakON connectors.
5. Design the signal routing from the input channels to the output
channels in the ROUTING menu (see “Signal Routing”, page 11).
6. Check signal volume in the VOLUME tab (see “Volume”, page 12)
7. Enjoy K-array sound!
Passive Subwoofer (KS1P I, KS2P I, KS3P I, KS4P I)
A. Connect a proper speaker cable to the SpeakON connector on the
Thunder-KS rear panel (see “Wiring”, page 6).
B. Connect the other side of the speaker cable to a power amplifier or to a
Thunder-KS active subwoofer.
C. On the active driving unit load the proper device preset according to
the Thunder-KS passive subwoofer model (see “Output configuration”,
Active sub
woofer
Amp module
Power Rating
Thunder-KS1 I
12”
4-ch class-D
1500W @ 4Ω
Thunder-KS2 I
18”
4-ch class-D
1500W @ 4Ω
Thunder-KS3 I
21”
4-ch class-D
2500W @ 4Ω
Thunder-KS4 I
2x18”
4-ch class-D
2500W @ 4Ω
Passive sub
woofer
Impedance
Power Handling
Thunder-KS1P I
12”
8 Ω
1200W
Thunder-KS2P I
18”
8 Ω
1400W
Thunder-KS3P I
21”
4 Ω
2800W
Thunder-KS4P I
2x18”
4 Ω
2800W
The active subwoofers implement multichannel amplifier
modules with DSP that features up to four power output
channels available to drive further passive loudspeakers.
The K-array Connect app and the K-framework3 software
provide access to the DSP features for managing the output
section and signal routing, making any Thunder-KS active
subwoofer a flexible driving unit.
In order to remote control any Thunder-KS active unit download
the K-array Connect app or the K-framework3 software:
Thunder-KS
User Guide
P R E L I M I N A R Y
