Marshall SN20C Valve Combo
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Marshall
SN20C Valve Combo
Product Info
Article Number:
608459
Brand:
Marshall
Model:
SN20C Valve Combo
Category:
Tube Guitar Combos
Price:
$1,424.50
* Prices may vary. Check retailer for current pricing and availability.
The SN20C is a brilliant little amp – a proper Marshall experience in a compact, manageable form. It's ideal for home practice, smaller gigs, or recording where you want that classic British crunch without needing a massive stack. The build quality is solid, and those tubes give it a seriously warm and responsive voice.
Product Description
- Marshall SN20C Valve Combo
- Tube Combo Amplifier for Electric Guitar
- Two channels
- Power: 20 watts
- Speaker configuration: One 12" Celestion G12T-75
- Preamp tubes: Two ECC83 and one ECC 83 (phase splitter)
- Power tubes: Two 5881
- Controls: Presence
- Bass
- Middle
- Treble
- DI output
- Speaker outputs: Five 6.3 mm jacks
- Dimensions (W x H x D): 510 x 460 x 255 mm
- Weight: 17.9 kg
PROS
- • Classic Marshall tone in a manageable 20-watt package.
- • The Celestion G12T-75 speaker delivers a punchy, responsive feel.
- • ECC83 and 5881 tubes provide warm overdrive and authentic character.
- • Two channels offer clean and driven tones, broadening versatility.
CONS
- • The 20-watt output might be limiting for louder stage environments.
- • 5881 tubes can be more expensive to replace than common alternatives.
- • Limited effects options; primarily focused on core amp tones.
Product Video
Key Features
Power (Watts)
20
Tubes
Preamp: Two ECC83, one ECC83 (phase splitter); Power: Two 5881
Speaker
One 12" Celestion G12T-75
Channels
Two (Clean & Overdrive)
Effects
None (DI output available)
Weight
17.9 kg
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Frequently Asked Questions
It captures the core Marshall essence but lacks the extreme headroom of larger models; expect more natural breakup at higher volumes.
They're not as common as EL34s, but readily available online and from most music stores – just slightly more premium-priced than some other tube types.
The DI is surprisingly good; it delivers a decent representation of the amp's tone, making it a viable option for basic recording.
