LM-300IA Integrated Amplifier – Single-Ended, Pure Class A

The new LINE MAGNETIC LM-300IA pure class A amplifier delivers 10 watts per channel. With a single-phase design and 300B output power tubes, the LM-300IA can be used solely as a power amplifier by disconnecting the preamplifier section. Equipped with a pair of sub outputs, it can be connected to an active subwoofer to reinforce the bass register. The Line Magnetic LM-300IA delivers beautiful timbres and a wide soundstage and will faithfully reproduce your favourite recordings.

Highlights

Pure Class A single-ended design
High-end point-to-point construction
Legendary 300B output tubes
Flexible use as integrated or power amplifier
Subwoofer output for extended bass
Wide and natural soundstage

Main Features

Hand-made construction with high-quality point-to-point wiring
Pure Class A single-ended amplification delivering 10W + 10W
Can be used as a dedicated power amplifier (pre-stage bypass)
Analogue Inputs: 3 × RCA pairs
Speaker outputs: 4 / 8 / 16 Ω
Analogue output: Sub
Wide frequency response: 20Hz–50kHz (–1.5dB)
Soft, natural harmonic structure with low negative feedback
High-quality transformers designed for wide bandwidth
Solid chassis with premium components

Tubes

Input stage: 2 × 12AT7
Drivers: 1 × 6SL7
Power stage: 2 × 300B
Rectifier: 2 × 274B

Technical Specifications

• Output power: 10W + 10W (Class A Single Ended)
• Frequency response: 20Hz - 50kHz (-1.5dB)
• THD: 2% (1 kHz)
• S/N ratio: 87dB
• Input sensitivity: 200mV
• Input impedance: 100kΩ
• Output impedance: 4Ω, 8Ω, 16Ω
• Input stage: 2X12AT7
• Power stage: 2X300B
• Drivers: 6SL7
• Rectifier: 2X274B
• Analogue inputs: 3XRCA(pair) / 4/8/16Ω speaker terminals
• Analogue outputs: Sub
• Dimensions: 430x365x217 mm
  
• Weight: 34 kg