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Small Stone V3

Small Stone V3
PHASER
Description
Generating lush four-stage analog phase shifting, the stompbox utilizes an operational transconductance amplifier circuit architecture originally designed by engineer David Cockerell. Modulation velocity is governed by a singular, oversized rotary rate potentiometer that transitions smoothly from gentle ambient sweeps to rapid vibrato-like flutter. Harmonic resonance and tonal emphasis are actively reshaped via a two-position color slide switch that feeds processed audio back through the phase stages. Inverting the feedback path with the color switch engaged introduces a pronounced vowel-like sweep while scooping mid frequencies to emphasize sweeping filter peaks. Vintage circuit execution incorporates dual operational transconductance amplifier integrated circuits alongside a dedicated quad operational amplifier managing low-frequency oscillation. Mechanical footswitching toggles between active modulation and bypass inside a classic folded-steel chassis decorated with orange graphics and lacking a status LED.
Media
Videos
Demo by Johan Segeborn (EN)
Reviews

Review by Honest Distortion (EN)

External Link
Technical data
Width
000.00 mm
Depth
000.00 mm
Height
000.00 mm
Weight
000.00 mm
Circuit type
analog
Voltage
9V DC, center negative
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