Skip to main content
Marshall ST20C Studio JTM 20w 1x12 Combo
100% Genuine AU Stock
StarTrack Express Insured
30-Day Returns (eligible items)
Marshall · SKU: marshall-st20c-studio-jtm-20w-1x12-comboIn Stock (Melb Warehouse)

Get Big, Inspiring Tone From the Marshall ST20C Studio JTM 20w 1x12 Combo – 20 W

$1,899.00 AUD(inc. 10% GST)
Pay with Crypto (10% Off):$1,709.10 AUD
Or 4 fortnightly payments of $474.75 interest-free with Pay in 4.
1
Fast DispatchOrders placed before 2:00 PM AEST on business days are normally dispatched the same day via StarTrack Express, signature required.

The Marshall ST20C Studio JTM 20w 1x12 Combo is an amplifier built to help you get the tone you hear in your head — supplied as genuine Australian stock with local warranty. The first JTM amp created a legendary sound that inspired generations of musicians.

Why You’ll Love It

  • Get the tone you hear in your head — in honour of that, the ST20C brings the iconic 60's tone that initially launched Marshall to the present day, in a more…
  • Play at the right volume — whether you're at home, in the studio, or on the big stage – the ST20C can adapt to bring exceptional tone to…
  • Shape your sound easily — this reissue painstakingly reproduces the legendary, warm, and smooth tone of the original Marshall JTM that inspired generations of musicians.
  • Built for gigs and practice — the loud blend of crunch and clean recognised the world over.

Key Features

Design & Materials

In honour of that, the ST20C brings the iconic 60's tone that initially launched Marshall to the present day, in a more compact format. SMALL BUT MIGHTY Packed with the same vintage tones you know and love, just in a smaller package, the ST20C has the power of a classic Marshall amp in a…

Performance Specs

  • Whether you're at home, in the studio, or on the big stage – the ST20C can adapt to bring exceptional tone to any situation…
  • Switch between 20W and 5W at the flick of a switch to allow playing at a lower wattage without compromising on tone
  • 20 W
  • 1x12 magnification and objective

What’s Included

The Marshall ST20C Studio JTM 20w 1x12 Combo as listed in the product name, with the manufacturer’s standard accessories. Ask our team if you need the exact box contents before ordering.

Perfect For

  • Gigging guitarists and bassists
  • Home and studio players
  • Students and teachers

How It Stands Out

Power, speakers and channels are listed so you can match it to the rooms you play. Unlike grey imports, every amplifier we sell is genuine Australian stock with the official local manufacturer’s warranty, priced in AUD including GST. It is in stock at our Melbourne warehouse.

Frequently Asked Questions

Is it loud enough for gigs?

See the wattage and speaker details in Performance Specs.

Can I use headphones?

If a headphone output is listed in the specs, yes.

Is the Marshall ST20C Studio JTM 20w 1x12 Combo genuine Australian stock?

Yes. Every product is 100% genuine Australian stock with the official local manufacturer’s warranty.

How long does delivery take?

This item is in stock at our Melbourne warehouse and ships with StarTrack Express — free on orders over $500 AUD.