Line Magnetic LM-503PA vacuum tube 300B 845 Dual Mono-block Power Amplifier
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Line Magnetic LM-503PA Vacuum tube 300B 845 Single-ended Class A Dual Mono-block Power Amplifier 100% Brand new
The price is for a Pair of Line Magnetic LM-503PA Mono-block Audio Power Amplifier.
Line Magnetic LM-503PA Dual Mono-block Power Amplifier come with tube cage covers.
Line Magnetic Audio LM-503PA DUAL Mono-block Audio Power Amplifier
Features: Point to point hand soldering circuit, the whole machine adopts single copper soldering.
Using high-grade special craft and high quality wide range of EI type single-ended output transformer.
Use 1 high-power Toroidal power transformer per channel.
Preamp stage using the company design and development of 310A vacuum tubes, promote use 300B level.
Power stage using one 845 vacuum tubes do class A single-ended power amplifier.
Power tube current tuning knob and current display meter.
The input has sound balance transformer input and RCA input selection.
High voltage delay when turn on.
Set up big negative feedback loop and small loop negative feedback, to adapt to the different requirements of listening.
Convenient installation drawing plug-in valve cage cover.
Voice is soft, pure and smooth, suitable for appreciation of various types of music.
Power output: 24W +24W(Single-ended class a working condition)
Frequency response: 15 hz ~ 35 kHZ (1.5 dB)
S/N Ratio: 87db
Input Impedance: 100kΩ
Output Impedance: 4 Ω, 8 Ω, 16 Ω
Input Sensitivity: 1000 mV
Vacuum Tube: (310A x 1, 300B x 1, 845 x 1, 5U3C x 1) * 2
Dimension (W x D x H) : (287 x 574 x 279) mm *2
Net Weight: 32kg *2 = 64kg
Gross Weight: 34kg *2 = 68kg
Power supply: AC 220V (+-5%) (50Hz)
Power Consumption: 290w
Working conditions: temperature: 0 ℃ to 40 ℃ Moisture: 20% ~ 80%
Storage conditions: temperature: - 20 ℃ ~ 70 ℃ Moisture: 20% ~ 90%