THERMION Heartbreaker

Squeeze the best British blues and rock tones out of any Amp with Heartbreaker. Dynamics, crunch and delicious overdrive in the ultimate preamplifier for classic sound lovers.

Heartbreaker is a versatile tool that will turn any amplifier into a roaring rock and blues machine with the best classic British sound. Authentic boutique tone packed with two gains, dynamic and compressed, that will get that tone that you've been looking for so many years.

Satisfying even the most exquisite ears, Heartbreaker is built one by one using high quality components and adjusting each gain stage, so the sound is optimal in every unit.

Equipped with SE2 technology, it can be used to record through any audio interface. Just open your favorite DAW and load the impulse responses, exclusively designed for Heartbreaker, to turn it into a multitude of British amplifiers that will take your recordings to the next level.

If you want a robust, versatile and exclusive overdrive, get your Heartbreaker.


  • Three bands EQ: Bass, Mid, Treble.
  • Dual gain control: Pre-Amp, Master.
  • Volume control.
  • Three modes swtich: Modern, Raw, Vintage.

You'll like it if you look for...

You are looking for a versatile, exclusive effect with really unique tone. You like British mid-gain tones. An overdrive that sounds good on virtually any amplifier. A dynamic overdrive. You are looking for an overdrive that is transparent to your picking style.

Technical specifications

Three ways VRM switch
Standard pedal power: 9V ‘center negative’ 2.1mm DC jack
Polarity inversion
AC connection
Momentary Overvoltage
True Bypass.
Possibility of use as effect or preamplifier.
Equipped with SE2 (Studio Environment Emulation) technology with dedicated impulse responses for professional recording.
Anodized metal printing for maximum durability.
Wired, soldered and built by hand according to our quality standards.
Max current consumption
Entrada >1MΩ
Output <1kΩ
Dimensions and weight
Dimensions (WxHxD) 10x12x5.5cm
Weight 390gr