Marshall ST20C Studio JTM 20W Combo Tube Amplifier with Celestion G12M-65 Speaker

Marshall Authorised dealer

Marshall ST20C Studio JTM 20W Combo Tube Amplifier with Celestion G12M-65 Speaker

SKU 70st20cef
$2,047.95 RRP $2,899.00 SAVE $851.05 (29%)

Price in AUD, incl. GST

In Stock Online — Ready to Ship Ships from our online warehouse — or order now and we’ll email you when it’s ready to collect in Footscray.


Free Click & Collect in Footscray, or tracked shipping Australia-wide.

The Marshall ST20C Studio JTM is a 20-/5-watt, 2-channel tube combo amplifier that brings the iconic tone of Marshall’s early 2245 model into a compact, modern package. Featuring a single 12" Celestion G12M-65 Creamback speaker, this amp faithfully reprod
The full story

Description

The Marshall ST20C Studio JTM is a 20-/5-watt, 2-channel tube combo amplifier that brings the iconic tone of Marshall’s early 2245 model into a compact, modern package. Featuring a single 12" Celestion G12M-65 Creamback speaker, this amp faithfully reproduces the creamy highs, loose lows, and dynamic overdrive that defined the birth of British blues-rock, while adding contemporary features for today’s players. Dual 5881 power tubes, along with 2 ECC83 preamp tubes and an ECC83 phase splitter, deliver authentic JTM tone, offering expressive response from soft cleans to rich overdrive. Both channels can be patched together to explore endless tonal possibilities, making the ST20C Studio JTM versatile for blues, rock, and beyond. Its vintage-inspired aesthetics, including levant front covering, metal “coffin” logo, gold piping, and finger-jointed plywood cabinet, combine classic style with modern construction for superior sound and portability. Modern convenience comes built-in, with an FX loop for seamless pedal integration, speaker-emulated DI output for recording or direct PA use, and selectable 5-watt power mode for bedroom practice or lower-volume situations. Whether for studio work, rehearsal, or small gigs, the ST20C Studio JTM delivers the legendary Marshall tone in a fully featured, compact combo. Features 2-channel, 20-/5-watt tube combo amplifier inspired by the Marshall 2245/JTM 45 Dual 5881 power tubes, 2 ECC83 preamp tubes, and 1 ECC83 phase splitter Celestion G12M-65 Creamback speaker with slightly enhanced bass and power handling High Treble and Normal channels patchable for flexible tone experimentation 3-band EQ plus Presence knob for precise tonal control Speaker-emulated DI output for direct recording or PA connection FX loop for easy integration of modulation and time-based effects JTM-inspired aesthetics: levant front covering, metal “coffin” logo, gold piping, and fawn fret Premium finger-jointed plywood enclosure for lightweight and superior sound Handbuilt in the UK Marshall factory Specs Type: Tube Number of Channels: 2 Output Power: 20W / 5W selectable Speaker Size: 1 x 12" Celestion G12M-65 Creamback Preamp Tubes: 2 x 12AX7 Phase Inverter Tube: 1 x 12AX7 Power Tubes: 2 x 5881 EQ: 3-band EQ, Presence Control Inputs: 2 x 1/4" (High Treble), 2 x 1/4" (Normal) Outputs: 5 x 1/4" speaker (4/8/16Ω), 1 x 1/4" DI out Effects Loop: Yes, with on/off switch Power Source: Standard IEC AC cable Dimensions: Height: 18.1", Width: 19.7", Depth: 10.4" Weight: 39.2 lbs
The numbers

Full specifications

Specifications · SKU 70st20cef
BrandMarshall
SKU70st20cef
Barcode #930014024306
Shipping Weight21.0000kg
Shipping Width0.400m
Shipping Height0.610m
Shipping Length0.700m
Ways to pay & get it

Delivery & finance options

Calculate Shipping

Standard Shipping — $0.00
Estimated delivery in 4-9 business days
Express Shipping — $18.50 (ETA: 4 days)
Click & Collect — $0.00
You will receive an email / text message once your order is ready for collection.
4.6 4.6★ from 850+ Google reviews — independent Footscray music store since 1997. Read our Google reviews

Own this one? Write the first review →

Buy with confidence

Delivery, returns & warranty

Shipping & delivery

  • Free standard shipping on orders over $150.
  • Most orders dispatched the next business day.
  • Tracked & insured on every order over $30.
  • Free Click & Collect from our Footscray showroom.

Returns

  • Arrived faulty, damaged, or not doing what it should? Return it within 7 days for a refund or exchange.
  • After that, we’ll arrange a manufacturer warranty repair and keep you posted throughout.
  • All we ask is that it comes back in original condition, with all packaging and your proof of purchase.
  • Your Australian Consumer Law rights always apply.

Warranty & support

  • Genuine, Australian-delivered stock.
  • Authorised Marshall dealer.
  • Set up by the manufacturer before dispatch.
  • Real aftercare from real players on 03 4151 5751.
Popular together

Others also bought

Keep exploring

More from this category

Behringer

Behringer A800 Pro 800W Reference Amplifier

THIS PRODUCT IS FOR ONLINE ORDER ONLY.

$367.95 $379.00 Save $11.05

or 4× $91.99 with Afterpay

In stock · C&C Footscray

Make 4 interest-free payments of $91.99 fortnightly and receive your order now.