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Power amplifiers stereo — Line Magnetic Audio LM-335
Description, images, technical data and specifications
Line Magnetic Audio LM-335
Image source - (c) Line Magnetic Audio
The Line Magnetic LM-335 is a low-power stereo power amplifier rated at 7 W plus 7 W into 8 ohms. It takes a line signal from a preamp and feeds two speakers directly.
Key specs that matter
Input sensitivity is 250 mV, so full output is reached with a modest input level. Balanced and single-ended inputs each have a selectable impedance of 100 kOhm or 600 ohms. The frequency response spans 20 Hz to 30 kHz at -3 dB, signal to noise ratio is 87 dB, and THD plus noise is 1 percent with global feedback.
Engineering and use context
The unit measures 480 x 255 x 470 mm and weighs 37 kg. The impedance selector lets it accept both ordinary domestic preamplifiers and sources built to drive a 600 ohm load.
Pairing
Given its low rating, the LM-335 calls for high-sensitivity loudspeakers in a modest room.
Key specs that matter
Input sensitivity is 250 mV, so full output is reached with a modest input level. Balanced and single-ended inputs each have a selectable impedance of 100 kOhm or 600 ohms. The frequency response spans 20 Hz to 30 kHz at -3 dB, signal to noise ratio is 87 dB, and THD plus noise is 1 percent with global feedback.
Engineering and use context
The unit measures 480 x 255 x 470 mm and weighs 37 kg. The impedance selector lets it accept both ordinary domestic preamplifiers and sources built to drive a 600 ohm load.
Pairing
Given its low rating, the LM-335 calls for high-sensitivity loudspeakers in a modest room.
Specifications
Model name
LM-335
Input sensitivity (mV)
250
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)
7 + 7
Output power (4Ω) (W)
N/A
Gain (dBu)
N/A
Frequency response low +/- 3dB (Hz)
20
Frequency response high +/- 3dB (Hz)
30 000
Signal to Noise Ratio (dB)
87
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)
480 x 255 x 470
Weight (kg)
37
Official link
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