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Product Introduction LM-300IA Plus is a premium Class-A single-ended Vacuum Tube Integrated amplifier, meticulously handcrafted with precision point-to-point wiring to preserve signal purity and ensure long-term reliability. It features high-grade wide-bandwidth EI-core single-ended output transformers for accurate full-range sound reproduction, alongside an EI-type power transformer with ample power margin that delivers stable, low-noise power across all volume levels. Two PSVANE WE300B tubes run in pure Class-A single-ended operation at the output stage, complemented by two 12AT7 and two 6SL7 preamp tubes and two 274B tubes for high-voltage rectification. Sonically, it produces a gentle, pure and smooth presentation that shines across a wide range of musical genres, delivering an authentic, emotionally resonant vacuum tube listening experience for audiophiles. |
| Product Features - Hand made construction with finest point to point wiring. - Output Transformer: High-grade EI-core single-ended output transformers, built with premium materials and wide-bandwidth construction. - Using high-power margin EI-type power transformers. - Power Amplification: Two PSVANE WE300B tubes operating in Class-A single-ended configuration. - Remote control come with volume and mute function. - Japanese ALPS audio grade volume potentiometer is applied. - Handy plug-in type tube cover. - Sonic Character: Gentle, pure, and smooth presentation-suitable for a wide range of musical genres. - Pre-amplifier & Rectification: Two 12AT7 and two 6SL7 tubes in the preamp stage; two 274B rectifier tubes for the high-voltage supply. |
Specification Tube Complement: 274B*2, 6SL7GT*2, ECC81(12AT7)*2, 300B*2 Power output: 3W+3W (Class A Single Ended) Frequency response: 20Hz~50kHz (-1.5dB） S/N Ratio: 87dB Input Sensitivity: 200mV (Integrated) Input Impedance: 100kΩ Output Impedance: 4Ω, 8Ω, 16Ω Power Consumption: 150W THD: 1% (1kHz) Net Weight: 37.6kg Dimension (W×D×H): (440 x425 x 230) mm |
