The LM-503PA mono power amplifier has been inspired by an original design of Western Electric. It uses a single ended 845 output stage with a 300B driver and 5U3C rectifier. The pre-amplifier stage use a special Line Magnetic tube, the 310A.
The power line is filtered by two special chokes. Bias is easily adjusted for the 845 tube with a specific vu meter located on the top plate.
Line Magnetic’s LM-503PA mono power amplifier received the German Red Dot award In March 2017. This award is informally recognised as the “Oscar for International Industrial Design” rating this amplifier among the best in the world.
- Hand-made construction with the finest point-to-point wiring
- SoftStart and time-delay circuit – 30 seconds
- Specially designed EI transformer for power supply
- Two EI output transformers with wide bandwidth
Class A amplifier – 1x 24W RMS
THD: 1% (1kHz)
Signal/Noise ratio: 87dB (Weighted A)
Frequency response: 15 – 35,000 Hz (-1.5 dB)
Sensitivity: 1000 mV
Input Impedance: 100kΩ
Load impedance: 4/8/16Ω
1x Line input RCA
1x Line input XLR
1x Screw terminals compatible with banana plugs
1x Remote control
1x Detachable power cord
Dimensions (W x H x D)
Dimensions: 287 x 279 x 574 mm
Weight: 30 Kg
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