Marshall SN20H Studio 900 20W Guitar Amp Head
The Studio 900 brings back the iconic 90s Marshall sound but presents it in a new compact package made for home or studio sessions where you can create your own tone. Its two channels, easily controlled with a footswitch, and its hybrid design blend valve warmth with solid-state reliability, delivering authentic JCM900 crunch even at low volumes. Loaded with two ECC83 preamp valves, two 5881 power amp valves, and one ECC83 phase splitter, it offers versatile control and all-valve tonal possibilities like the classic 100-watt head. Switch effortlessly between 20W, 5W, and
Crafted in Bletchley, England, the Studio 900 embodies Marshall's commitment to high-quality craftsmanship with shared circuit design from larger models, ensuring precise replicas of vintage amplifiers.
HEAD SN20H – TECHNICAL SPECIFICATIONS
AUDIO SPECIFICATION
Power
20W (with power reduction to 5W), <1W
Valves
2 x ECC83, 1 x ECC83 (phase splitter) and 2 x 5881
Channels
2
Equalisation
Treble, middle, bass and presence
Speaker outputs
5 x ¼" jack sockets
(16Ω load / 8Ω load / 4Ω load)
Outputs
DI output, Compensated DI output
PHYSICAL UNIT
Weight
11.2 kg / 24.5 lbs
Width
510 mm / 20.1”
Height
245 mm / 9.6”
Depth
240 mm / 9.4”
- Iconic 90s Marshall sound in compact design
- Versatile control with two channels
- Switchable power output: 20W, 5W, <1W
- Hybrid design for valve warmth and reliability
- Loaded with ECC83 and 5881 valves
- Built-in spring reverb for dynamic depth
- Crafted in Bletchley, England for quality
- Includes DI output for easy recording
| Brand | Marshall |
| Warranty | 1 Year |
| Amp channels | 2 |
| Amp effects | Reverb |
| Amp model | SN20H |
| Amp series | Studio |
| Suitable for | Electric |
| Amp technology | Tube |
| Amp type | Head |
| Wattage | 20w |
| Cabinet speaker | Switchable |
| Brand | Marshall |
| SKU / MPN | BM5030463596975 |
| GTIN / Barcode | 5030463596975 |
| Condition | Brand new, in original manufacturer packaging |
| Availability | In stock — ready to dispatch |
| Dispatch | 1–2 business days after payment confirmation |
| Delivery | Free tracked shipping Australia-wide, typically 1–5 business days in transit (2–7 days total); remote areas may take longer. We ship within Australia only. |
| Returns | 14-day returns — see our Return & Refund Policy. Consumer guarantees under the Australian Consumer Law apply. |
| Warranty | Manufacturer warranty terms vary by brand. If warranty coverage matters for this purchase, contact us before ordering and we will confirm what applies to this item. |