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K-Array KA7-7 350-Watt Class D 4-Channel Power Amplifier with DSP Controls

B&H # KAKA77 MFR # KA7-7
K-Array KA7-7 350-Watt Class D 4-Channel Power Amplifier with DSP Controls

K-Array KA7-7 350-Watt Class D 4-Channel Power Amplifier with DSP Controls Front View Side View Back View

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Ship Time: 7-10 business days 
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Product Highlights

  • 4 Channels with 350W Each @ 4 Ohms
  • Powers Left & Right plus 2 Subwoofers
  • Onboard DSP w/ Real-Time Control via USB
  • Optical Limiters to Prevent Overload
  • Aluminum Frame & Top Quality Components
  • Remote controllable via USB or RS485
  • High Efficiency & Very Light Weight
  • Compact Design
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You Pay: $2,294.95

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The KA7-7 350-Watt Class D 4-Channel Power Amplifier with DSP Controls by K-Array adds to its extensive feature set with a lightweight, efficient, and rackmountable build. Its stereo input feeds four internal amplifiers, which power left and right mains, plus two mono-summed subwoofer channels.

The KA7-7 has two balanced XLR inputs with a switchable ground lift and a rotary input pad ranging from unity gain to infinity. It provides a USB output as well as dual RS485 jacks for PC connectivity. Built for daisy chaining, the KA7-7 has XLR link outputs for program signal, and a PowerCon output to link power. A dip switch on the rear panel allows up to 30 unique ID assignments for remote controlling arrays via software. The dual Speakon outputs each carry two channels, a side of the stereo signal and a mono sum of both sides. An optical input limiter automatically protects the system from dangerous peaks.

The K-Array KA7-7's most intriguing feature is, without a doubt, the built-in DSP input processing. The eDSP software installs on your Windows PC from the included CD-ROM and connects to the amplifier via USB or RS485. eDSP boasts real-time controls for EQ, dynamics, and signal level. The software's 4-band parametric equalizer is enough to manage a problem space, or just make simple sonic enhancements. The EQ, and a level control ranging from -infinity to +6dB, can be stereo-linked or controlled separately per input channel. The dual-channel compressor utilizes global settings for both input channels, providing dynamics control in addition to the amplifier's built-in limiter.

The KA7-7 by K-Array is designed for touring and installation applications in which a large amount of power and maximum flexibility are needed.

KA7-7 350-Watt Class D 4-Channel Power Amplifier with DSP Controls
  • Top quality components for outstanding performance
  • Compact design and high efficiency operation
  • Left, right, and 2 mono-summed channels
  • DSP onboard to drive all K-array products
  • Lightweight: less than 13 pounds
  • Optical limiter per channel
  • Electronically protected
  • Aluminum frame
Outputs
Maximum Output Power @ 4Ω: 350 W x4
@ 8Ω: 190 W x4
Connectors 4-pin Speakon x2
Wiring Speakon 1: pin 1+,1- = CH1 pin 2+, 2- = CH3
Speakon 2: pin 1+,1- = CH2 pin 2+, 2- = CH4
Performance
Slew Rate 30V/µS
S/N Ratio > 113 dB/A
THD < 0.005%
Input Impedances 20kΩ balanced
10kΩ unbalanced
Gain 32 dB
Output Unbalanced to ground
Bandwidth 3 Hz - 45 kHz
Damping Factor 8Ω @ 100 Hz: > 1000
Protection Thermal Protection: Yes
Short circuit / overload: Yes
Clip limit, analog signal limit: Yes
Audio Input
Connectors Input: Balanced XLR-f x2
Link: Balanced XLR-m x2
Wiring Pin1 = Ground / Pin2 = hot (+) / Pin3 = cold (-)
Software
Operating System Windows XP / Vista / 7
System Requirements CPU: 300 MHz or better
RAM: 128 MB required, 512 MB recommended
General
Remote Control Input RJ45 / USB
Remote Control RS485 / USB
Power Connector PowerCon x2 (in/out)
AC Voltage Input Range 90 - 260VAC 50-60 Hz with PFC (auto range)
Nominal Voltage 140VA
Maximum Input Voltage 265VAC
Power Factor 1/2 max out @ 8Ω: 0.97
Minimum Required Voltage 70 VAC
Dimensions (W x H x D) 7.87 × 3.5 × 10.63" (20 × 8.8 × 27 cm)
Weight 12.13 lbs (5.5 kg)
K-Array KA7-7 350-Watt Class D 4-Channel Power Amplifier with DSP Controls
  • CD-ROM
  • 1.6 ft (50 cm) CAT 5 Cable
  • 1.6 ft (50 cm) XLR Cable
  • Power Link Cable
  • Rack Adapter Kit
  • 2-Year Limited Warranty
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