Pre-Owned Marshall AS50R Acoustic Amp - Reverb Not Working

Model - AS50DV

Range - Acoustic

Channels - 2 (Multi)

Technology - Solid State

Output wattage - 50W

Outputs - DI out, line out, effects loop

Inputs - 2x instrument jacks, 1x Phono (Aux) In and 1x XLR, Footswitch 

Controls - Acoustic channel 1 (volume, bass, treble), microphone/aux channel 2 (volume, bass, treble), chorus channel selection, chorus effect speed, chorus effect depth, reverb balance, reverb level, anti-feedback frequency sweep, volume

Effects - Reverb, chorus

Effects loop - Yes, Send/Return

Speaker configuration - 2x8" plus tweeter

Speaker model - Custom speakers (8Ω)

Unit impedance - 4Ω

Weight (KG) - 14.1 kg / 31lbs

Width (MM) - 565 mm / 22.2"

Height (MM) - 415 mm / 16.3"

Depth (MM) - 250 mm / 9.8"