Pre-Owned EarthQuaker Devices Tentacle

The Tentacle: Classic Analog Octave Up Simplicity

Vintage-Inspired Octave-Up Circuitry

The Tentacle from EarthQuaker Devices is a throwback to the swirling, upper-octave magic found in vintage octave-up effects, reissued as a standalone unit due to overwhelming demand. Originally featured within the Hoof Reaper, this compact stompbox isolates that unmistakable analog octave-up effect for use with any fuzz, dirt, or clean tone you prefer. Whether you're chasing Hendrix-esque overtones or modern layered textures, the Tentacle serves up shimmering harmonic saturation without fuss or frills.

No Knobs, Just Tone

True to its design ethos, the Tentacle keeps things straightforward: no knobs, no toggles, just a footswitch and pure analog bliss. The simplicity makes it a perfect plug-and-play solution. And thanks to Flexi-Switch Technology, you can toggle between traditional latching or momentary operation, giving you real-time control over how and when the octave effect hits.

Best Placement for Maximum Impact

This pedal shines when placed early in your signal chain, ideally before your overdrives or fuzz, where it enhances upper harmonics without muddying up your tone. For the most dramatic results, use your neck pickup and play above the 12th fret. The Tentacle excels at bringing out those bell-like, singing overtones that can elevate solos or ambient textures alike.

Rock-Solid Build with True Bypass

With rugged construction and EarthQuaker's renowned relay-based true bypass switching, this unit is ready for both the studio and the stage. Despite some light to moderate playwear and finish chips along the sides and edges, this pre-owned 2016 model remains fully functional. Velcro is applied to the bottom, making it pedalboard-ready right out of the box.

A Pure, Focused Signal Enhancer

Whether you’re after octave-up accents in a doom-laden fuzz wall or subtle shimmer in a post-rock delay loop, the Tentacle delivers with clarity and charm. If you appreciate tone-focused minimalism and classic analog flavor, this is one for your arsenal.

Specifications:

• Effect Type: Analog Octave Up

• Controls: None

• Switch: Flexi-Switch (Latching or Momentary)

• Input Impedance: 100 kΩ

• Output Impedance:

• Current Draw: 10 mA

• Power: 9V DC, 2.1mm center-negative barrel (Power supply not included)

• Bypass: Relay-Based True Bypass

• Year: 2016

• Condition: Pre-Owned, moderate play wear with some finish chipping; velcro applied to bottom

• Accessories Included: None

This effects pedal ships fully insured with signature required.