Mu-tron Bi-Phase for sale in good condition and perfect working order. Comes with a custom foot switch which allows you to use an expression pedal to sweep the controls instead of the C-100 Opti-pot. Ships freshly serviced and with voltage set for your region.

We love a Bi-Phase (it’s in our top three phasers for sure) and we’re not alone: not only are they a staple effect of many dub reggae producers (Lee Perry most notably), but they’re widely-used with guitars/synths/keys etc in a wide variety of genres. A truly legendary effect, essentially it is two of Mike Beigel’s optical phaser circuits (aka the Phasor II) in one housing, with ability to route the output of one through the other, and link, or not, the sweep rates. Note that you can also use each phaser separately.

For UK/European buyers we will replace the internal transformer so it runs on 220/240v supplies.

Condition: In very good overall condition despite general wear to the faceplate and print on the unit. Some quite significant marks to the faceplate and the knobs are replacements. Please see photos or get in touch if you require more information.

Voltage: Will be set up for either 120 or 240v operation before shipping.

Tax: For sales in UK the price will include 20% VAT. Buyers elsewhere may incur VAT or other local taxes on import.

Shipping: Shipped securely, tracked, and insured worldwide.

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Reverb customers please note:

We are based in the UK and have many years’ experience sourcing, servicing and shipping delicate vintage gear worldwide. You can rely on us to pack your item with care, and deliver swiftly by international courier with full tracking and insurance.

We offer a professional satisfaction-guaranteed service: customer care and attention to detail are paramount. Please message us if you have any questions or feedback. Tony