Clear, crunsh transistor.
Its distal tube
80W
Reverb
Loop for inserting external effects (send / return).
Adjusting the volume progressed well (not like Fender).
The volume control is twofold: to sound clear (clear channel gain + master volume).

UTILIZATION

Very simple.
Easily obtained a good sound.

SOUNDS

It is well suited to my style and especially my multi-effect ZOOM G9 (lamp)
I use the clean (solid state) of Marshall.
It's perfect, precise treble.
Versatile for my multi-effect that is expressed very well on this amp on the clean channel transistor.
It works less well on all-tube amps.

Sound distortion (tube) is quite fatty, rich in harmonics, typical of Marshall.

OVERALL OPINION

I use it for more than 10 years.
I tried all-tube Marshalls, which are not for my configuration (JMC800).
I tried Fender amps (also interesting), it's not the same sound (steeper). Fender, the big worry is the volume control (of control).
I also I started a 30W amp low end (I remember the brand (not very well known elsewhere)): I did not play in the same court at that time (the Marshall is so much better).

Build quality + sound quality.
The price / quality ratio is excellent.