Please note that the Maxon CS-550 works fine with a 9 volt power supply. One of the best sounding chorus pedals especially if you love a clear warm analog sound that doesn't thin out.

🎸 Overview

• The CS-550 is a stereo analog chorus pedal with a vintage-style circuit inspired by the classic Boss CE-1 chorus/vibrato unit but with its own character and expanded tone possibilities.
• It was designed to deliver musical, warm modulation without sounding overly processed or “washed out” — qualities many players feel modern digital choruses sometimes lack.

🛠 Key Features

• Analog bucket-brigade design: Uses a Panasonic MN3207 BBD chip for organic, rich chorusing textures.
• Classic + unique sounds: Capable of traditional lush chorus, rotary-speaker style modulation, vibrato, and even flanger-like tones at extreme settings.
• Spatial effects: When Speed and Depth knobs are low and Delay Time is high, it can create a thick “double-tracked” or spatial feel without the typical chorus wobble.
• Stereo outputs: Lets you run the effect in mono, stereo, or inverted mono configurations for wide modulation effects.
• Blend/Mix control: A rear-mounted control adjusts the balance of dry vs. effected signal.
• True bypass: Maintains signal integrity when the effect is off.

🎛 Controls & Specs

• Standard knobs like Speed, Depth, Delay Time (which influences modulation character), and a Mix/Blend control.
• Stereo outputs and a wide modulation range make it versatile for both classic shimmer and more experimental sounds.

🎧 Sound Character

• Vintage-leaning, bold, and resonant tone — less “digital sheen,” more organic analog warmth.
• Excellent for lush ambience, subtle chorus under clean tones, or thick modulation behind solos.

In short, the CS-550 is valued for its vintage analog chorus tone, stereo flexibility, and creative modulation potential, making it a distinctive choice for players after a classic yet expressive chorus sound.