Hiwatt T20/10 Tube Series MKIII 20/10w 1×12 Amplifier Combo

£629.00

The Hiwatt T20/10 Combo is great for the Studio or performing on Stage. British Engineered to provide 20W (or 10W) of Classic Hiwatt Clean with an additional ‘tube screaming’ Overdrive Channel, this ‘Cathode Biased’ (Class A) Amplifier provides the Guitarist with a ‘touch sensitive’ feel to the amps response. Equipped with a 1×12″ Octapulse speaker, […]

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Description

The Hiwatt T20/10 Combo is great for the Studio or performing on Stage. British Engineered to provide 20W (or 10W) of Classic Hiwatt Clean with an additional ‘tube screaming’ Overdrive Channel, this ‘Cathode Biased’ (Class A) Amplifier provides the Guitarist with a ‘touch sensitive’ feel to the amps response.

Equipped with a 1×12″ Octapulse speaker, this amplifier delivers authentic british tone between its 2 channels with clarity and control.

Key Features

  • Half Power, Full Overdrive – Even when you switch the power from 40w to 20w, the impact of the overdrive still remains pure even with less volume.
  • Built-In Spring Reverb – Dial in crisp spring reverb to enhance the classic British tone this 2-channel amplifier contains.
  • Effects Loop – Place your delays and reverb pedals within the effects loop to achieve clearer tone while using the amp.

Like the Original Hiwatt Custom Shop ‘Studio/Stage’ – this amp allows you to half your power, drive the Tubes harder, and obtain pure, natural Hiwatt Overdrive with less volume. Also features an FX loop and spring reverb.

Specifications

  • Wattage: Switchable — 20W or 10W
  • Channels: Normal, Overdrive
  • Inputs: 1/4″ Normal/Overdrive (Channel Selector)
  • 5mm AUX Input
  • 1/4″ Effects Loop Return
  • 1/4″ Channel/Reverb Footswitch Input
  • Outputs: 1/4″ Extension Speaker, 1/4″ Effect Loop Send, 1/4″ Line Output
  • Preamp Valves: 2 X ECC83 (12AX7), 1 X ECC82 (12AU7)
  • Output Valves: 4 X EL84

Controls

  • Master Volume
  • Reverb Level
  • 3-Band EQ Shared By Both Channels — Treble, Middle (Pull Potentiometer For Tone Shift), Bass
  • Overdrive Gain
  • Normal Gain
  • Normal/Overdrive Channel Toggle
  • Standby — On/Off
  • Mains — On/Off

Dimensions

  • Height: 495mm (~20″)
  • Width: 495mm (~20″)
  • Depth: 250mm (~10″)
  • 16.55 Kg (~37 lbs)

About the manufacturer

Hiwatt

Hiwatt are known for making standout effects pedals and more. Founded with a passion for tone and innovation, their gear has shaped countless records and players’ sounds. Look out for their iconic designs and flagship models — they’ve earned a reputation for reliability and creativity.

More info about this Product

Combo Amps

Combo amps combine an amplifier and speaker into a single, self-contained unit, making them a practical and popular choice for many players. They’re easy to transport, simple to set up, and available in a wide range of power ratings, from small practice amps to powerful stage-ready models. Combo amps come in valve, solid-state, hybrid, and digital designs, often with built-in effects and tone controls. Their all-in-one nature makes them ideal for home use, rehearsals, recording, and live performance where convenience and reliable tone matter.

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