Keeley Octa Psi-Transfigurating Fuzz
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Keeley
Octa Psi-Transfigurating Fuzz
Product Info
Article Number:
600997
Brand:
Keeley
Model:
Octa Psi-Transfigurating Fuzz
Category:
Distortion Pedals
Price:
$328.90
* Prices may vary. Check retailer for current pricing and availability.
The Octa Psi is a wild ride, blending a genuinely warm, analog fuzz with surprisingly clean and responsive digital pitch shifting. It's a fantastic tool for experimental guitarists and bassists who want to explore layered textures and evolving soundscapes – think Tosin Abasi meets early Radiohead. Just be prepared to spend some time dialing in your sounds.
Product Description
- Keeley Octa Psi-Transfigurating Fuzz
- Effect Pedal for Electric Guitar
- Polyphonic Pitch Shifter / Fuzz
- Combines a digital pitch shifter section with an analogue fuzz section
- +/- Two octaves range
- Low latency and fast tracking
- Expression pedal control for pitch bending or dive bombs
- Switchable all-wet or wet/dry settings
- 8 Different pitch modes
- Up / Down / Dual modes provide octaving
- Harmonised intervals and modulation effects
- Automatically remembers tilt-control voicing of two- or three-part harmonies
- Analogue fuzz / distortion unit on a discrete transistor basis
- 3-Way bass response switch: Scoop
- Punch or Psi mode for massive sub-basses
- Effect sequence can be changed
- Controls for Blend
- Fuzz
- Level
- Pitch Tone
- Switch for Up / Down / Dual
- Punch / PSI / Scoop
- True Bypass and Buffered Bypass
- Bypass footswitch for each section
- Status LED for each section
- Aluminium housing
- 6.3 mm Mono jack input / output
- 6.3 mm Input (TRS) for expression pedal / switch
- 6.3 mm input (TRS) for external switch
- Power supply via optional 9 - 18V DC power supply unit - 2.1 x 5.5 mm barrel connector
- centre negative
- Power consumption: 150 mA
- Dimensions (L x W x H): 127 x 100 x 68 mm
- Weight: 430 g
- Made in USA
*Note:* no battery operation possible
PROS
- • Exceptional polyphonic tracking for complex, harmonized textures.
- • Discrete transistor fuzz delivers a thick, vintage-voiced distortion.
- • The Psi mode adds truly massive, usable sub-bass frequencies.
- • Expression pedal control unlocks incredible real-time pitch manipulation.
CONS
- • The sheer number of controls can be overwhelming for beginners.
- • The digital nature introduces a slight processing 'gloss' some may find sterile.
- • High-end build quality comes at a premium price point.
Product Video
Key Features
Distortion Type
Discrete transistor fuzz with digital pitch shifting
Controls
Blend, Fuzz, Level, Pitch Tone, Up/Down/Dual switch, Punch/PSI/Scoop switch, Mode selection dial
Bypass Type
True Bypass
Power Supply
9V DC center-negative (requires standard Boss-style adapter, not included)
Connections
1/4" Input, 1/4" Output, 1/4" Expression Pedal Input, DC Power Input
Dimensions
4.75" x 2.625" x 2.75"
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Frequently Asked Questions
Keeley has really nailed the latency here; it tracks cleanly even with fast runs and complex chords, noticeably better than many budget-friendly options.
Psi adds substantial sub-bass, but the Blend control allows you to tame it and integrate it seamlessly with your dry signal without muddiness.
While it's capable of wild sounds, the fuzz circuit itself is a fantastic, usable distortion; it’s versatile enough for classic rock, but the pitch shifting adds a unique dimension.
