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Power amplifiers stereo — Line Magnetic Audio LM-337N

Description, images, technical data and specifications

Line Magnetic Audio LM-337N
Image source - (c) Line Magnetic Audio

The Line Magnetic LM-337N is a stereo power amplifier listed at 120 W into 8 ohms. It is designed to follow a separate preamplifier and drive a pair of loudspeakers, with enough output for most speaker designs.

Key specs that matter

Input sensitivity is 500 mV. Balanced and single-ended inputs both offer a selectable impedance of 100 kOhm or 600 ohms. Two gain settings are available, listed as 40 and 52. Frequency response runs from 10 Hz to 50 kHz at -3 dB, S/N reaches 90 dB, and THD plus noise is 1 percent with global feedback.

Engineering and use context

The chassis is 483 x 295 x 545 mm and weighs 52 kg. The gain switch and the impedance selector together make it simple to match the amplifier to preamplifiers with very different output levels and output impedances.

Specifications

  • Model name

    LM-337N

  • Input sensitivity (mV)

    500

  • Input impedance (balanced) (Ω)

    100 000 / 600

  • Input impedance (single-ended) (Ω)

    100 000 / 600

  • Output impedance (balanced) (Ω)

    N/A

  • Output impedance (single-ended) (Ω)

    N/A

  • Max current (A)

    N/A

  • Output power (8Ω) (W)

    120

  • Output power (4Ω) (W)

    N/A

  • Gain (dBu)

    40 / 52

  • Frequency response low +/- 3dB (Hz)

    10

  • Frequency response high +/- 3dB (Hz)

    50 000

  • Signal to Noise Ratio (dB)

    90

  • Total Harmonic Distortion + Noise (0% global feedback) (%)

    N/A

  • Total Harmonic Distortion + Noise (100% global feedback) (%)

    1

  • Max power consumption (W)

    N/A

  • Damping factor

    N/A

  • Dimensions (mm)

    483 x 295 x 545

  • Weight (kg)

    52

  • Official link

    https://line-magnetic.eu/collections/all

Line Magnetic Audio LM-335

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