ABACUS Line Driver variable (0-5)

The variable ABACUS Line Driver can replace a preamplifier, where only one audio source is connected to your amplifier or powered speakers. Using the ABACUS Line Driver technology it eliminates the influences of the cables and other connected devices after the Line Driver. 


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  • Linear preamplifier
  • Headphones amplifier
  • Eliminates influences of cables and connected devices
  • Variable gain, 0-5
  • Precision potentiometer (Alps RK27)
  • Compact design
  • Built-in power supply
  • Maximum signal voltage 30V (peak to peak)
  • Gold-plated RCA input jack
  • Stable aluminum chassis
  • Including:
    0,2m RCA cable,
    1,2m Power cord,
    0,2m Headphones adapter cable (6,3mm),
    User manual.

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Delivery content of Line Driver variable


Mains voltage: 230V AC
Power consumption, idle: 2,1VA
Power consumption, maximum: 5,7VA
Gain factor: 0-5
Frequency range: 3-90.000Hz (±3dB)
Input impedance: ca. 47kΩ
Dimensions (w/o connectors & poti) (W x D x H): 60×95×50mm
Total dimensions (W x D x H): 60×105,5×53,5mm
Pack size (W x D x H): ca. 150×200×150mm
Weight: 0,41kg

Buy ABACUS Line Driver variable:

ABACUS Line Driver variable: €200,- (incl. VAT)

Customers from outside of Germany, please contact ABACUS directly via email.


ABACUS LD2-05 vari - Product info, german 
ABACUS LD2-05 vari - User Manual, german