The T-Rex Quint Machine is a T Rex octave pedal, currently around $165. Close alternatives include the Meris MR Hedra and the Death By Audio Micro Harmonic Transformer. It pairs well with the Fender Twin Reverb Head and the Hiwatt Custom DR20H.
T-Rex Quint Machine
T Rex · pedal
The T-Rex Quint Machine is a polyphonic harmonizer from T-Rex Effects (Silkeborg, Denmark), generating five simultaneous harmonized voices from a single note or chord for massive, full harmonic stacking. The Quint Machine provides multi-voice harmonization for players who want rich, stacked harmonic textures beyond conventional single-interval harmonizers.
What stands out
“The T-Rex Quint Machine is a polyphonic harmonizer from T-Rex Effects (Silkeborg, Denmark), generating five simultaneous harmonized voices from a single note or chord for massive, full harmonic stacking”
— from the listing
“The T-Rex Quint Machine delivers polyphonic five-voice harmonization at T-Rex Danish quality for lead, ambient, and experimental players who want massive harmonic stacking from a respected Danish manufacturer”
— from the community notes
“The Quint Machine provides multi-voice harmonization for players who want rich, stacked harmonic textures beyond conventional single-interval harmonizers”
— from the listing
“Use-case wise it suits lead and ambient players who want multi-voice harmony at T-Rex quality”
— from the community notes
“Multi-voice harmonizer requiring careful mix level control”
— from the reviews
Trade-offs
“In the signal chain harmonizer sits after drive”
— from the community notes
- harmonizer
- harmonic
- stacking
- massive
- mix
- experimental
- ambient
- lead
Price updated Oct 24, 2026
Genres the T-Rex Quint Machine is commonly used in
- Experimental
- Ambient
Amps that pair well with the T-Rex Quint Machine
Fender Twin Reverb Head
amplifier
9% matchFender Twin Reverb Head leans toward dynamic, and that's a real, usable character to pair with
Comes later in the signal chain
Hiwatt Custom DR20H
Hiwatt
9% matchHiwatt Custom DR20H's own tight character is the real reason this is worth trying
Comes later in the signal chain
Pedals that stack with the T-Rex Quint Machine
Boss BD-2 Blues Driver
Boss
7% matchBoss BD-2 Blues Driver leans toward full, and that's a real, usable character to pair with
Comes later in the signal chain
Catalinbread Giygas
Catalinbread
7% matchCatalinbread Giygas's own octave character is the real reason this is worth trying
Comes later in the signal chain
Meris LVX Delay
Meris
5% matchMeris LVX Delay's ambient voice goes after T-Rex Quint Machine in the signal chain — it's not there to compete with T-Rex Quint Machine's own harmonically rich character — goes in the amp's FX loop (or last, into a clean amp)
Comes later in the signal chain
Old Blood Noise Endeavors Dark Star V3
Old Blood Noise Endeavors
5% matchKeep Old Blood Noise Endeavors Dark Star V3 after T-Rex Quint Machine in the signal chain, where it won't crowd T-Rex Quint Machine — goes in the amp's FX loop (or last, into a clean amp)
Comes later in the signal chain
Cheaper alternatives
Boutique & premium upgrades
Meris Hedra Shifter
Meris
47% similarityShared character: ambient, overdrive
Alexander Pedals Fever Pitch
Alexander Pedals
41% similarityShared character: ambient, full
Death By Audio Octave Clang v2
Death By Audio
40% similaritySimilar voicing: harmonically rich, ambient
EarthQuaker Devices Rainbow Machine
EarthQuaker Devices
87% similaritysimilar tone character
Similar charactersee all similar tone character →
Meris MR Hedra
Meris
51% similarityShared character: lead
Death By Audio Micro Harmonic Transformer
Death By Audio
44% similarityShared character: ambient, overdrive
Electro-Harmonix Intelligent Harmony Machine
Electro-Harmonix
43% similarityShared character: lead
Walrus Audio Luminary
Walrus Audio
41% similarityShared character: ambient, lead
Hotone Skyline Harmony Pitch Shifter/Harmonist
Hotone
87% similaritysimilar tone character
See all alternatives to the T-Rex Quint Machine (cheaper + boutique) →
Questions people ask
What are good alternatives to the T-Rex Quint Machine?+
The closest matches in character are the Meris MR Hedra, the Death By Audio Micro Harmonic Transformer, the Electro-Harmonix Intelligent Harmony Machine. Budget picks: TC Electronic Quintessence Harmony Intelligent Harmonizer, Boss MO-2. Boutique upgrades: Meris Hedra Shifter, Alexander Pedals Fever Pitch, Death By Audio Octave Clang v2.
What pairs well with the T-Rex Quint Machine?+
Strong matches from rig and tone-complementarity evidence: Fender Twin Reverb Head, Hiwatt Custom DR20H, Boss BD-2 Blues Driver — Fender Twin Reverb Head leans toward dynamic, and that's a real, usable character to pair with.
How much does the T-Rex Quint Machine cost?+
Around $165 (live listing price, updated Oct 24, 2026).