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Ibanez TN120 Thermion

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Page last updated Aug 10, 2025

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Description

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Unlock the full potential of your guitar's sound with the Ibanez TN120 Thermion guitar amplifier head. Engineered for the discerning musician who appreciates both power and precision, this amplifier head delivers a pristine, all-tube tone that is both warm and articulate. Featuring a 120-watt output, it provides ample volume for live performances while retaining clarity and definition in every note.

The TN120 Thermion is equipped with dual channels, offering a seamless transition between clean and overdriven sounds. Its robust construction and high-quality components ensure reliability and longevity, making it an ideal choice for both studio recordings and live gigs. With a comprehensive EQ section, musicians can tailor their sound to perfection, whether crafting intricate solos or laying down heavy riffs.

The built-in effects loop allows for easy integration of external effects, providing enhanced flexibility and creativity in tone shaping. Designed with the modern guitarist in mind, this amplifier head combines traditional tube warmth with innovative features, making it a versatile addition to any musician's gear collection.

Key Features:

120-watt all-tube amplifier head
Dual channels for clean and overdriven tones
Comprehensive EQ section for precise sound shaping
Built-in effects loop for external effects integration
Durable construction for reliable performance
Ideal for both live performances and studio sessions

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GuitareTV

test ibanez thermion

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NEVER TOO EXTREME Episode 24: Ibanez Thermion

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Owner Insights

We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about Ibanez TN120 Thermion.

Comparisons

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The Thermion TN120 is likened to the Traynor for its underrated status, yet some feel it lacks premium build quality.
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The Ibanez Thermion TN120 head is noted to pair well with an ENGL cab, particularly when mixed with Celestion V12-60 and Vintage 30 speakers for a balanced tone.
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Features and functionality

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The TBX150, noted as an underground classic, offers four channels: Clean, Overdrive, High Gain, and Boosted High Gain, but lacks an included foot switch.
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The V12-60 speakers in the E 412 cab are described as brighter, lacking the low-mid thickness of V30s, resulting in a slightly scooped sound ideal for certain amps.
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User experience

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A user found a NOS Thermion TN120, still sealed after 10 years, highlighting its rarity and potential for collectors.
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Users considering mixing speakers should ensure impedance compatibility; mixing 8 ohm and 16 ohm drivers in one cab can lead to load mismatches.
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Mods and upgrades

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Owners have found that mixing speaker types, such as Celestion V12-60 with Vintage 30s, brightens darker amps and tames mid-forward tones.
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Critic Reviews

Ibanez TN120 Thermion Amplifier & TN412 4x12 Cabinet | Guitar World

guitarworld.com

Ibanez finally delivers a formidable tube amp with the TN120 Thermion, boasting impressive high-gain tones that can stand toe-to-toe with pricier boutique options. Its rugged build and clever design make it a dream for gigging musicians, ensuring durability and ease of transport. However, while the Vintage channel offers smooth clean tones, the bright setting can be harsh and piercing at high volumes, which may not suit every player's taste. Overall, the Thermion is a powerful addition to any metal guitarist's rig, but users should be cautious about the treble settings.

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Fredrik Thordendal

Guitarist

Meshuggah

Verified

In this Instagram post, Fredrik Thordendal can be clearly seen playing guitar in front of his signature Fortin amplifier. In the bottom right corner of his amp rack, you can just about see an Ibanez TN120 Thermion amplifier, easily distinguishable by its unique appearance. However, Fredrik not only isn’t using the amp in the video, but also does not give any detail about if/how the amp was used at all.

Neil Citron

Guitarist, Music Producer

Quiet Riot

Verified via EMusician

Mentioned in this electronic Musician article.

From the personal settings on his customized Carvin® Legacy, Ibanez® TN120 Thermion and modified ‘60s 100W Marshall® Plexi amps, to his vintage handmade cabinets and hand-picked microphones, Citron’s unmatched expertise and years of experience bring new dimensions to GTR3. Waves precision-modeled Citron’s unique amp configurations and studio techniques, which deliver a realistic, nuanced sound that few producers have been able to achieve. In the modeling process, the amps were miked and sampled using Neve mic-pres and EQ’d exactly the way Citron would record them in a tracking session. Six models resulted from this process: “Clean” and “Crunch” Legatron (based on a customized Carvin Legacy), “Clean” and “Crunch” Thermitron (based on an Ibanez TN120 Thermion) and “Clean” and “Crunch” Plexitron (based on a modified 1960s 100W Marshall Plexi).