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5

ELECTRONIC SPECIFICATIONS

Input impedance:

2000 ohms

Maximum source impedance:

600 ohms

Output impedance:

200 ohms

Minimum load impedance:

600 ohms

Nominal input level:

1 Volt rms

Gain on each band:

adjustable from OdB to +12dB in 0.25dB steps

Distortion:

less than 0.1%

Connections:

3 pin male XLR

Pin 1: 0 Volts

Pin 2: Left

    

Pin 3: Right

ACOUSTIC SPECIFICATIONS

(When used with Linn Isobarik loudspeakers)

Crossover frequencies: 

bass to middle 200Hz second order

middle to high 2700Hz fourth order

Achievable near field frequency response: 

50Hz to 20kHz +/- 2dB

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.

GENERAL

Mains supply:

100V, 115V, 200V, 220V, 240V  –  50/60Hz

(one voltage per mains module)

Power Consumption:

20 Watts

Dimensions:

320mm W x 265mm D x 75mm H

Weight:

4kg

Summary of Contents for ISOBARIK AKTIV

Page 1: ...ISOBARIK AKTIV CROSSOVER OWNERS MANUAL...

Page 2: ...amplifiers not one send these signals directly to the speaker s respective drive units The advantages are better control of the drive units and more precise separation of the audio frequencies An acti...

Page 3: ...the contacts FAULT FINDING The most likely time for faults or errors to occur is during installation and these will normally be rectified by the dealer Faults can be isolated by determining which cha...

Page 4: ...tape CD etc A Linn LK1 preamplifier A Linn AKTIV Isobarik crossover 3 Linn LK2 power amplifiers A pair of Linn Isobarik loudspeakers Interconnect cables power cables and speaker cables GUARANTEE SERVI...

Page 5: ...ith Linn Isobarik loudspeakers Crossover frequencies bass to middle 200Hz second order middle to high 2700Hz fourth order Achievable near field frequency response 50Hz to 20kHz 2dB Achievable near fie...

Page 6: ...plifier 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 The heat generated by the c...

Page 7: ...ould be on top of the stack Powering up for the first time should be done after double checking all connections especially speaker connection phase IMPORTANT 1 When using a Linn LK1 preamp the ve of t...

Page 8: ...and do not affect the crossover frequencies If the bass setting you want is with switches 4 and 5 on then solder a 750ohm resistor in parallel with a 300ohm resistor across the appropriate solder tags...

Page 9: ...ON To reduce bass level by 2dB requires a gain setting of 2dB Set switch 4 ON Normally adjust both left and right switches to identical settings It is probably best to start with 1dB steps gradually a...

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