2 Channel Amplifier for High Efficiency Professional Applications

Model: K2

Advanced switch-mode worldwide operating power supply technology for high performance and compact size
Power Factor Correction PFC for extremely low mains consumption and extremely wide mains operating range
Variable speed fan for low noise
Low Inrush Limiting reduces AC inrush current, removing the need for expensive power sequencers
XLR female / 6.3mm Jack Neutrik style input connectors with link capability

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The K Series offer various power ratings in 6 models ranging from 2 x 2400 watts/ch. @ 4 Ohm to 2 x 9000 watts/ch. @ 2 Ohm, still maintaining the 1 unit size. The K Series has become the flagship of Powersoft's technologies, ranking in the "Top Class" amplification of the global pro audio market. The K series represents a new milestone of switch mode amplification providing incredible power in 1 rack unit with the lowest weight and highest efficiency. Its sonic performances set a new target for professional audio market. By using the Step-Up procedure it is now possible to increase the output power without having to change amplifier.

Advanced switch-mode worldwide operating power supply technology for high performance and compact size
Power Factor Correction PFC for extremely low mains consumption and extremely wide mains operating range
Variable speed fan for low noise
Low Inrush Limiting reduces AC inrush current, removing the need for expensive power sequencers
XLR female / 6.3mm Jack Neutrik style input connectors with link capability
Built-in defeatable Clip limiters for each channel
LCD matrix interactive display
Digital gain-attenuator control
User selectable maximum output power for each channel
User selectable maximum mains current draw
Comprehensive-user friendly front panel display menu
Fully protected circuitry design including DC, infrasonic, high frequency, thermal overload and short circuit
Temperature forecast with LCD traced historical behaviour
Downloadable log file of functional fault events with time related trace
Load impedance measurement / display for each channel
Output power measurements / display for each channel
Mains voltage and current measurements / display
Defeatable gate selection for each channel
Gain/sensitivity user selection capability
Hardware monitor available for fast local diagnostic
Fixed frequency switchmode output stage for high grade sound accuracy
Compact size - all models only 1 RU for reduced rack cost and space
Light weight - for easier racking and shipping: 8 Kg / 17.6 lbs for K3 and K2, 12 Kg / 26.5 lbs for K20, K10, K8, and K6
Built in Remote Control ( RS 485 interface ) for full diagnostic, operational setting and system monitoring
Smart Card settings , parameters and upgrades functionality
Lockable set-up by user selectable access key code
DSP option capability
Ethernet option capability
Full remote control and monitoring
via Armonía Pro Audio Suite™ software
Interface available
for MediaMatrix, Crestron, AMX, and Q-Sys control and monitoring systems

Amplifier Signal Type - Audio
Amplifier Type - Power Amplifier
Amplifier Type - Other
Warranty - Yes
Spec Sheet available - Yes
Spec Sheet available - Yes

Mounting Width: 0.25 in
Shipping Weight: 26.46 lbs
Operating Temperature (Maximum): 113 F
Operating Temperature (Minimum): 32 F
Maximum Frequency Response (Bandwidth): 20 kHz
Maximum Frequency Response (Bandwidth): 20000 Hz
Minimum Frequency Response (Bandwidth): 20 Hz
Minimum Frequency Response (Bandwidth): 0.02 kHz
Impedance: 100 ohm
Signal to Noise Ratio: 106 dB
AC Voltage (Maximum): 240 Volts
AC Voltage (Minimum): 100 Volts
Depth: 18.70 in
Height: 1.75 in
Width: 19 in
Warranty (Length/Type): 4 year
2-Channel mode(2ohm): 2x2400 W
2-Channel mode(4ohm): 2x1950 W
2-Channel mode(8ohm): 2x1000 W
Mono-Bridge mode(4ohm): 1x4800 W
Mono-Bridge mode(8ohm): 1x3900 W
Crosstalk separation: > 66 dB @ 1 kHz
THD+N/SMPTE IMD/DIM 100 IMD: <0.5% from 1 W to full power (typically <0.05%)
Slew Rate: 50 V/s @ 8 ohm, input filter bypassed
Damping factor @ 8 ohm: >5000 @ 20-200 Hz
A/D Converter: Dual 24bit 96 kHz Tandem® architecture with 127 dBA of dynamic range and THD <0.005% (20 Hz - 20 kHz)
D/A Converter: Dual 24bit 96 kHz Tandem® architecture with 122 dBA of dynamic range and THD <0.003% (20 Hz - 20 kHz)
Memory: 8 MB (RAM) plus 2 MB (flash for presets)
Presets: 50 stored locally + 150 stored on a smartcard
Digital audio input: AES3 (glitchless fallback to analog audio selectable)
Delay for time alignment: up to 4 s on the input section, up to 32 ms per output, sample-by-sample stepping
Crossover Filters: Butterworth, Linkwitz-Riley, Bessel, Arbitrary Asymmetric, 6dB/oct to 48dB/oct (IIR), linear phase (FIR), hybrid (FIR+IIR)
Output Equalizer: 16 fully parametric filters per channel, IIR: peaking, hi/lo shelving, hi/lo pass eq, band pass, band stop, all pass. Custom FIR up to 384 taps @ 48 or 96 kHz
Input Equalizer: Three layers (PEQ, raised cosine, shelving), 32 filters each + group filters, up to 256 filters per channel
Cable compensation network: up to 2 ohm negative/positive wire compensation (Active DampingControlTM)
Limiters: Power limiter (TruePower™, RMS voltage, RMS current) + Peak Limiter
Indicators: 7 meter LEDs: 5 x green, 1 x yellow, 1 x red, top yellow and red show alarm with protect description on LCD panel
Controls: 4 pushbuttons, function depending on user menu
Power Switch: Mains switch
Network data port AESOP incl. AES3: 2 x RJ45 with activity LEDs
Maintenance: SmartCard reader/writer for firmware updates and preset storage. Easily accessible dust filter foam behind two steel covers
Audio signal input connectors: Analog: 2 x balanced Neutrik® Combo XLR female/1/4” jack; AES3: use channel 2 XLR
Loudspeaker output connectors: 2 x Neutrik® Speakon NL4MD
Network data port Ethernet: 2 x RJ45 with activity LEDs
Aux voltage: 1 x 2-pin Phoenix P. 3.81mm
AC Mains: AMP CPC 45A on rear panel; AMP CPC 45A connector mounted on a 3 x 5mm2 (10AWG) cable
Chassis: 1 mm / 0.04” steel chassis and removable dust cover ; 3 mm / 0.12” steel front panel, screw hole protection, side reinforcement & rear support

powersoft_k2_data_en_v1.2.pdf 196 kb - Data Sheet

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powersoft_k2_data_en_v2.5.pdf 863 kb - Data Sheet

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