Hiwatt T40/20C-112 12"
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Information
Manufacturer Information
Hiwatt
https://www. hiwatt.co.uk
sales@hiwatt.co.uk
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Safety manager:
Algam SAS
Email: contact@algam.net
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Historical Context and Positioning in the Range
Designed in the UK, the T40 is part of Hiwatt's T series as a "pivot" model: powerful enough to maintain headroom and definition, while remaining usable at realistic volumes thanks to power reduction. The 2024 redesign of the series emphasizes a more effective EQ and a reworked overdrive channel, offering a modern amp in use while retaining Hiwatt's DNA: sharp attack, presence, and clarity in the mix.
Who This Amp Is For
The Hiwatt T40 targets guitarists seeking a versatile tube amp: from detailed cleans for pedals, to punchy crunch, up to denser saturation via the overdrive channel. It suits both intermediate players looking for a first "real" amp with character, and advanced players needing a reliable combo for rehearsal, studio, and small to medium stages. Style-wise, it excels in blues, rock, pop, indie, and any context where a solid clean foundation, touch-sensitive dynamics, and an overdrive responsive to your guitar's volume are desired.
Technical specifications
| Effects | Reverb, Looper | Pedalboard included | No |
| Category | Guitar combo | Category | Amplifier |
| Technology | Tubes | Number of channels | 2 |
| Input | jack, aux minijack, effect loop jack, footswitch | Speaker diameter | 12" |
| Output | DI jack, Cabinet jack | Number of speakers | 1 |
| External cabinet output | Yes | EQ | 3 channels |
| Effects loop | Yes | Headphone output | No |
| Reverb | Yes | Color | Black |
| Footswitch input | Yes | Power output | 40 W |
| Amp tubes | 4 x EL84 | Weight | 12.7 kg |
| Pre-amp tubes | 12AU7, ECC82, 2 x ECC83 | Dimensions (mm) | 490 x 540 x 250 |
| Cabinet impedance (Ω) | 8 Ω | ||
Questions frequently asked
Hiwatt T40/20C-112: what power for rehearsals and stage?
The 40 W / 20 W switch allows adapting the power to the use. The 40 W mode favors headroom, while the 20 W mode promotes faster crunch and compression.
Does the Hiwatt T40 have a clean channel and an overdrive channel?
Thanks to its two channels, Normal and Overdrive, this amp covers defined clean tones and more intense distortions. Each channel has its dedicated gain, with a Master Volume for the overall level.
What is the tube configuration of the combo?
A power section equipped with 4 x EL84 tubes is paired with one 12AU7, one ECC82, and 2 x ECC83 tubes in the preamp.
Can effects be connected to the Hiwatt T40/20C-112?
The effects loop via jack allows inserting delays, reverbs or modulations after the preamp. A spring reverb with a dedicated volume is already integrated. An auxiliary input in minijack format is also present.
Can an external speaker cabinet be connected to the T40?
The combo format includes a 12-inch speaker and offers an external speaker output. The indicated speaker impedance is 8 Ω.



