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The LM-512CA is Line Magnetic’s flagship preamplifier. This preamplifier uses two 6KZ8 tubes for voltage amplification, two 6922 tubes for the driver stage and American RCA 22DE4 tubes for high voltage rectification.

Available on back-order

SKU: LM-512CA Category:


A selector on the rear of the preamplifier allows the user to select the phase of the XLR input, allowing connection of almost any source.

Nothing but top grade components are used in the LM-512CA preamplifier, such as American RTX Multicap capacitors, Danish Jensen capacitors, German Mundorf MCap capacitors, NCC capacitors, Nichicon capacitors, Kiwame capacitors, a Motorola high current rectifier bridge and Panasonic relays.

Line Magnetic’s LM-512CA preamplifier received the German Red Dot award In March 2017. This award is informally recognised as the “Oscar for International Industrial Design” rating this preamplifier among the best in the world.

Some Highlights
– Point-to-point wiring
– High quality components
– “Hot” phase selector for XLR input

Tubes used in this preamplifier
2x 6KZ8 (Mullard)
2x 6922 (Genalex)
2x 22DE4 (American RCA)

Hand-made construction with the finest point-to-point wiring
SoftStart and time-delay circuit – 30 seconds

Tubes supplied         Common replacements
6922                             ECC88, E88CC, CV2492

THD: 0,5% (1KHz)
Signal/Noise ratio: 90dB
Frequency response: 15-30,000 Hz (-1.5dB)
Input sensitivity: 1000mV
Input Sensitivity RCA: 150mV
Input Impedance: 600kΩ

3x Line inputs RCA (pair)
1x Input XLR (pair)
1x Output RCA (pair)
1x Output XLR (pair)

Included Accessories
2x Fuses
1x Remote control
1x Detachable power cord

Dimensions (W x H x D)
Dimensions: 430 x 196 x 383 mm
Weight: 20 Kg
Finish: Silver

Additional information

Weight 24 kg
Dimensions 54 × 48 × 30 cm


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