KS Aktiv 3 specifications

Category : Active speakers

General

Connections

Tech nical data

Special equipment

Other models of the same series:

• Manufacturer: KS - "Kücke & Schmidt" - AudioTeam
• Model: Active 3
• Years of construction: 1984
• Made in: Germany
• Color: Oak, Wenge, walnut natural, ash, cherry, mahogany, teak, walnut black, walnut white
• Dimensions: 240 x 500 x 325 mm (W x H x D)
• Weight: 16 kg
• Original price approx.: 2800,- DM (RRP pair)

• Number of inputs:
  • NF 2.1V/47 kOhm (on the power amplifier)
  • LS 2.1V/1 kOhm (on the preamplifier)
• Number of outputs:
  • none

• NF 2.1V/ 47 kOhm (on the power amplifier)
• LS 2.1V/1 kOhm (on the preamplifier)

• none

• Type of construction: 3-way compact loudspeaker, closed, active
• Chassis:
  • Woofer: 200 mm (coated diaphragm)
  • Midrange: 51 mm supronyl dome
  • Tweeter: 25 mm hardened aluminium dome with supronyl clamping
• Output power amplifiers: total. 240 Watt Sine Wave (IHF)
  • Woofer: 80 Watt Sine wave
  • Midrange: 80 Watt Sine wave
  • Tweeter: 80 Watt Sine wave
• Frequency response: 37 - 22,000 Hz ±3 dB
• Transition ranges: (for LS with multiple chassis)
• Input sensitivity: 2.1V / 90dB / 1000Hz
• Maximum power consumption : 360 Watts

• Woofer: 200 mm (coated diaphragm)
• Midrange: 51 mm supronyl dome
• Tweeter: 25 mm hardened aluminum dome with supronyl clamping

• Woofer: 80 watt sine
• Midrange: 80 Watt sine
• Tweeter: 80 Watt sine

• 3 built-in power amplifiers --> separately controlled chassis to increase dynamics and resolution.

• Switchable bass attenuation at 38Hz : Switch position 0, 1 and 2 cause a bass level reduction by 0dB, 3dB or 6dB so that room adjustments can be realized.

• Fully compatible,- and power amplifier compatible, because the 5-pin DIN socket installed for connection has a contact routed via a series resistor provided for this purpose. --> Pin.2 = [Ground]  ; Pin.4 = [LS+]. --> With a "5-pin Din to 2 times RCA" adapter : black/white connector. (the preamplifier is operated via the red side)

• Intelligent automatic switching on and off --> The LS only switches on when there is a frequency mixture below 850Hz, not when there is a network crack or other interference signals. The automatic shutdown takes place after an 8-minute signal break. In addition, the KS Aktiv 3 switches off to protect the chassis if the level or voltage peaks are too high and reactivates itself automatically after a few seconds.

• discretely constructed power amplifiers --> no power amplifiers IC's

• 1% tolerance on metal film resistors used ; 5% tolerance on installed film capacitors of the frequency diverters.

• The front of the LSs is provided with a velvet-like flocking to avoid sound losses due to reflections and the resulting interference formation on the baffle.

• Optional : A base frame suitable in style and wood design to expand the installation possibilities of the "power dwarf" designed as a compact or shelf speaker.

• KS Active 4

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