Linn ISOBARIK AKTIV Owner's Manual
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Linn ISOBARIK AKTIV Owner's Manual

Linn ISOBARIK AKTIV Owner's Manual

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ISOBARIK AKTIV CROSSOVER
OWNERS MANUAL

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Summary of Contents for Linn ISOBARIK AKTIV

  • Page 1 ISOBARIK AKTIV CROSSOVER OWNERS MANUAL...
  • Page 2 NTRODUCTION Thank you for buying the Linn AKTIV Crossover. The AKTIV is the culmination of many years of research by Linn. It has long been recognised that active crossover systems can improve loudspeaker performance. This is the first electronic crossover to realise the full potential of an active loudspeaker system.

  • Page 3: Operation

    OPERATION It is recommended that the crossover is turned on first, followed by the power amplifiers individually. The crossover will perform best after about half an hour of warm-up. It will run slightly warm to the touch. The running temperature is independent of programme material or level. As with all electronic equipment do not expose the AKTIV to strong direct, or radiated, heat.

  • Page 4: Installation

    OWNER REGISTRATION Please return the enclosed registration form to Linn Products if you are resident in the UK, or to your local distributor if you are resident outside the UK. We will add your name to our mailing list...

  • Page 5: Electronic Specifications

    Achievable near field phase response linearity. 50HZ to 20kHz +/- 45 degrees Note: when used with Linn LK1 preamp all speaker phases should be reversed at the power amp to maintain absolute phase due to phase inversion in the LK1.

  • Page 6: Dealer Information

    (other than power switches) on the crossover and power amplifiers it may be convenient in some installations to position them remote from the sources and preamplifier. The Linn LK1 preamplifier is capable of driving up to 10 metres of Linn interconnect cable. The reduction in speaker cable length will make for a tidier installation.
  • Page 7 The loudspeakers should be connected to the power amplifiers using Linn K20 cable. When connecting the system to the LK2 power amplifiers we recommend that you connect LEFT BASS and RIGHT MIDDLE to one LK2, LEFT' MIDDLE and RIGHT BASS to the second LK2 and LEFT and RIGHT TREBLE to the third LK2.

  • Page 8: Level Adjustments

    LEVEL ADJUSTMENTS Have the crossover in a position that makes for easy access from the top. This can be a temporary position, but ensure there is no hum. Remove the outer sleeve (four socket head screws underneath). Looking from the front of the crossover you will see the adjust board containing 6 banks of colour coded slide switches.
  • Page 9 THIS SETTING WILL GIVE A FLAT FREQUENCY RESPONSE IN MOST ROOMS First remove the preset resistors relating to the bass switches. This requires a soldering iron and a small pair of pliers to hold the resistors. BE VERY CAREFUL NOT TO SPLASH SOLDER ON TO THE CIRCUIT BOARDS (cover the board with something to be safe).

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