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Line Magnetic LM-503PA (SG Series 2.0) Vacuum Tube Power Amplifier

$12,000.00

LINE MAGNETIC LM-503PA (SG SERIES 2.0) MONO POWER AMPLIFIER:

FEATURES:

The Line Magnetic LM-503PA (SG Series 2.0) is a high-end vacuum tube power single ended class A amplifier.

  • Dual mono-block configuration with separate power supplies for each channel
  • Hand-made, the whole machine adopts single copper welding booths
  • Using high-grade special craft and high quality wide range of EI type single-ended output transformer
  • Use 1 only power ring type power transformers
  • Level before using the company design and development of 310A vacuum tubes, promote use 300B level
  • After using 1 only 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
  • On high voltage delay
  • 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 cap

SOUND QUALITY:

SMOOTH AND MUSICAL SOUND:

The LM-503PA’s (SG Series 2.0) single-ended Class A design and use of premium tubes like the 300B and 845 contribute to a smooth, natural, and musical sound signature. Reviews praise its warm, organic, and non-fatiguing presentation.

SUPERB MIDRANG AND IMAGING:

The midrange reproduction of the LM-503PA (SG Series 2.0) to be one of its strongest attributes. It excels at rendering vocals and instruments with lifelike presence and dimensionality. The amplifier’s imaging and soundstage are also highly acclaimed.

REFINED TREBLE AND BASS:

The treble is refined, smooth quality without any harshness. The bass is noted for its weight, control, and natural decay.

TRANSPARENCY AND RESOLUTION:

It has impressive transparency and resolution, revealing nuances and micro-details in recordings.

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LISTEN TO BELIEVE – We invite everyone to visit our shop! We strongly believe in personal experience, trying something out yourself than to take online reviews and word for it.

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Description

SPECIFICATIONS:

  • Single Ended 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
  • Dimension (WxDxH): (287 x 279 x 574) mm
  • Load impedance: 4/8/16Ω
  • Finish: Silver

TUBES BASICS | COMMON REPLACEMENTS:

300B | 600B, 300A, 4300B

845 | 845 A/B/C

310A | Soviet Union/om12C, WE310A

5U4G | 5Z3P, 274B

CONNECTORS:
1x Line input RCA
1x Line input XLR
1x Screw terminals compatible with banana plugs

INCLUDED ACCESSORIES:
2x Fuses
1x Remote control
1x Detachable power cord

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DEVELOPED AND MANUFACTURED IN:

China

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UPGRADED BY:

Singapore, Sg Live Acoustics / Aik Hin Fatt

(SG SERIES 2.0):

Amplifiers labeled with SG Series 2.0 was upgraded by us, SG Live Acoustics. We replace components such as capacitors, resistors, inlet, tube, etc. The sound is meticulously tuned by us, SG Live Acoustics.

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DISTRIBUTOR:

Sole Distributor in Singapore, Sg Live Acoustics / Aik Hin Fatt

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Follow us on our social media platforms, Facebook and Instagram, to stay up-to-date with the latest information regarding our products! 🙂

Facebook – Sg Live Acoustics

Instagram – sgliveacoustics

We highly value our customers and strive to provide top-notch services, including excellent after-sales support. Our goal is to continuously enhance our services to offer customers the best experience possible.

If you are interested in making a purchase or have any questions, please don’t hesitate to reach out to us. We will be more than happy to assist you promptly and ensure smooth transaction.

If you are satisfied with our products and services, we kindly request you to take a few minutes to leave us a review as well as Google review. Your feedback is immensely valuable to us, and we would be eternally grateful for your support 🙂 On the other hand, if you are not satisfied, please contact us directly. We are committed to resolving any issues in a friendly and satisfactory manner, ensuring your utmost satisfaction.

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