Line Magnetic LM-300IA Tube Integrated Amplifier 300B

Ten watts per channel, Single Ended design, Pure Class A Integrated Stereo Amplifier with 300B output power tubes.

All tube Integrated with ECC81 Voltage Amplification Stage, 6SL7 Driver tubes, 274B Tube Rectifier and 300B Output tubes.

Well selected and matched tubes. Tubes we chose are Electro Harmonix ECC81, Tungsol 6SL7GT, LINLAI 274B and PSVANE 300B. No matter it is the Pre-stage or power stage of tubes we select and choose the best matching ones to use on the same unit of amplifier to get the best sound quality out of it.

Three pairs of Line inputs and One Pre-In are located on the back panel of the amplifier unit.

Different from other inputs Pre-In offers you a possibility to connect to some other Preamplifier so that you can the LM-300IA as a power amplifier.

One pair of Sub Output is located on the back panel so that if you want to get more Bass you can use the interconnector to connect with your Subwoofer system.

Speaker terminals for 4, 8, 16 ohm speakers are located on the back panel of the Outputs unit.

User bias controls for 300B have been used for bias adjustment and one meter has been added to the top plate to allow you to monitor bias with ease.

External Hum Balance adjustment for sound adjustment.

Specially designed Super big and strong Toroid transformers for power supply and two Audio grade EI types of output transformers with wide bandwidth are applied. All transformers and chokes are encapsulated and installed separately on the amplifier to avoid and lower the disturbance between each other.

Japanese Audio grade ALPS volume potentiometer has been applied. RCA terminals are specially designed by Line Magnetic for the amplifier. It can reduce the signal loss during transition and guarantee the sound quality.

Standard with remote volume control.

Hand made construction with the finest point-to-point wiring.

Solid Aluminum design of the front with Piano lacquer painting of chassis. An elegant combination of black. Nice looking amplifier you do not want to miss.

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Product Specifications

  • Power output: 10W+10W (Class A Single Ended)
  • Frequency response: 20Hz~5kHz (-1.5dB)
  • THD: 2% (1kHz)
  • S/N Ratio: 87dB
  • Input Sensitivity: 200mV
  • Input Impedance: 100kΩ
  • Output Impedance: 4Ω,8Ω, 16Ω
  • Dimension (W×D×H):  (430 x 365 x 217) mm
  • Tube Complement: Electro Harmonix ECC81×2, Tungsol 6SL7GT×2, LINLAI 274B×2, PSVANE 300B×2
  • Net Weight: 34kg
  • Power Consumption: 180W