The complete compact PA solution for acoustic performers and vocalists. The Marshall AS50D features two independent channels—one for high-impedance acoustic instrument inputs and a second XLR channel with phantom power for vocals. Equipped with two 8" speakers and a high-fidelity polymer dome tweeter, it faithfully reproduces the full dynamic range and natural resonance of acoustic guitars. Built-in digital chorus, reverb, and anti-feedback notch filters guarantee clean, studio-grade sound on any stage.

Highlights:

• 50W dual 8" speaker design with dome tweeter for crisp highs.
• Microphone XLR channel with phantom power + instrument channel.
• Anti-feedback phase switch and notch filter for pristine live performance.

Identification Overview

• Model: Marshall AS50D Acoustic Soloist
• Type: Solid-State Acoustic Combo Amplifier
• Series: Acoustic Series (AS)
• Output Power: 50 Watts RMS
• Speaker Configuration: 2 x 8" Custom Speakers + High-Efficiency Polymer Dome Tweeter

Production & Manufacturing

• Year Introduced: 2007 (succeeding the earlier AS50R)
• Country of Manufacture: Manufactured in China / Vietnam (designed and engineered in the UK)

Construction & Format

• Cabinet Material: MDF with Brown/Bronze Vinylex Tolex Covering
• Grille Cloth: Gold/Brown Acoustic Mesh Grille
• Handle: Top Carrying Handle
• Dimensions: 550 mm x 415 mm x 255 mm (21.7" x 16.3" x 10.0")
• Weight: 16 kg (35.3 lbs)

Channels & Inputs

• Channel 1 (Acoustic Instrument):
• • High-impedance 1/4" Jack Input
  • Volume, Bass, and Treble Controls
• Channel 2 (Microphone / Aux):
• • XLR Microphone Input (with switchable Phantom Power)
  • RCA Stereo Auxiliary Inputs (for CD/MP3 players or backing tracks)
  • 1/4" Auxiliary/Instrument Input
  • Volume, Bass, and Treble Controls

Built-in Digital Effects & Anti-Feedback Controls

• Digital Reverb: Master Reverb level control assignable to Channel 1, Channel 2, or Both
• Chorus: Speed and Depth controls assignable to Channel 1, Channel 2, or Both
• Anti-Feedback Controls:
• • Phase Switch (flips signal phase to eliminate low-frequency rumble)
  • Notch Filter (frequency sweep knob with on/off switch to pinpoint and eliminate specific feedback frequencies)

Rear Panel Features

• Direct Output (D.I. Out): Balanced XLR Output for connection to PA systems or audio interfaces
• Line Output: 1/4" Unbalanced Line Out
• Effects Loop: Series 1/4" Send and Return jacks for external effects processors
• Footswitch Jack: 1/4" Jack for optional 2-button footswitch (controls Chorus and Reverb bypass)

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