Horrothia Effects

Horrothia Berkeley Uni-Vibe

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A modern re-imagining of the 1960s Uni-Vibe!

The Berkeley is the result of 2 years of rabid fascination with the original 1960s Uni-Vibe circuit.

From the get go, Horrothia elected against creating another clone of this classic design.

Horrothia wanted to design a brother in arms to their Type One Chorus.

Their version had to include a slew of modern updates, but an entirely old-school analog signal patch.

First, Horrothia set out to fix some of the original Vibe’s oddities.

Their Vibe had to be louder, smaller, brighter in tone and very consistent from unit to unit.

Then, Horrothia set out to define the exact factors that created the original Vibe’s unmistakable ‘chocolate smoke’ tone.

Original units were measured, scientific papers were read and prototypes ensued.

Enter the Berkeley! Its signal path is almost exactly identical to the original late-1960s vibe.

The pedal’s loaded with Carbon film resistors, Mylar caps and transistors with similar characteristics to the originals’.

Some small key changes have been made (in line with mods that were done in the late-1960s) to open up the low-end and add more liquid movement.

Hand chosen Vactrols are matched one by one to make sure that every component works within a well defined ‘sweet spot’ range. No guessing here!

As every original vibe was different, there are 3 trimmers inside the Berkeley to tune its behavior to your idea of the perfect vibe.

Lets check out the controls.

Turning up Input Impedance brings brightness and volume.

You’ll find a more modern sound at one extreme and a warmer and chewier sound at the other.

Phase Notch Depth lets you fine tune the balance between the wet and dry signals in chorus mode.

The Voicing control is more complex. At one extreme, the LFO shows the full idiosyncratic behavior of the vintage units.

Dialing it back to the other extreme, the Berkeley shows less and less of these characteristics and the depth becomes as wide as the unit can operate.

Wider sweeps paint a more contemporary picture.

All of these controls are continuous, so dial in YOUR position.

Modern features.

Another Berkeley evolution is the choice of bypass modes.

Originals just switched off the LFO, so audio still passed through the circuit when bypassed.

By holding down the footswitch on power up, the Berkeley changed to relay True Bypass.

The Footswitch jack also allows you to plug in a TRS expression pedal and control the speed like an old vibe.

Even bringing the heel back switches the LFO off / bypasses the unit like an old one!

Horrothia FX Berkeley Vibe features:

• Inspired by the beloved 1960s Uni-Vibe.

• Controls: Intensity, Volume & Rate.

• Chorus / Vibrato switch.

• Foot control or CV operation.

• Choose your preferred Bypass mode.

• Made with high grade and robust components.

• Handmade in the UK.

• Power: 9V DC.

• Current Draw: 200mA.

• Dimensions: 9.5cm X 12cm.




Type Uni-Vibe
Condition New
Power 9V DC
Current Draw 200mA
Power supply included No
Manufacturer Warranty 1 year
Shipping & Return


  • Free shipping within Canada.
  • Free shipping to the USA.
  • Free shipping on international orders over 399$.

    Visit the Shipping page for more infos.

Fast Delivery

  • Canada : 1 - 2 business days
  • USA : 1 - 2 business days
  • Rest of the world: 3 - 5 business days.

Hassle-Free Returns

You have 45 days to test your new gear.
If you choose to return it, we’ll send a full refund.
It’s that simple: no bogus restocking fees or charges.

Visit the Returns page for more infos.


Frequently Asked Questions

  • Q : Is this item in stock? +

    A : On product pages, you can find an availability status.

    Products with the mention 'In stock' are in stock and ready to ship.

    Products with the mention 'Out of stock' are not currently in stock.

    For out of stock products, you can ask to get notified as soon as the item is back in stock.

    Enter your email in the ‘Email me when available’ field and you’ll be kept in the loop.

  • Q : Where are you located? +

    A : We’re in Blainville, Quebec, Canada.

    Contact us to schedule an appointment if you’d like to meet.

  • Q : When will my order ship? +

    A : Orders placed before 3pm EST ship on the same business day.

    An update with tracking details will be sent shortly after purchase.

    (Please note: business days don’t include weekends and holidays)

  • Q : How much does shipping cost? +

    A : Shipping to Canada and the USA is free on most orders.

    Shipping to the rest of the world is free on orders over 399$US.

    Visit the Shipping page for more infos.

  • Q : What shipping method do you use? +

    A : We ship with UPS.

  • Q : What payment methods do you accept? +

    A : We accept credit cards and Paypal.

  • Q : Do you charge sales taxes to Canadians? +

    A : Canadian residents are asked to pay sales taxes:

    Alberta: 5%.

    British Columbia: 5%.

    Manitoba: 5%.

    New Brunswick: 15%.

    Newfoundland and Labrador: 15%.

    Northwest Territories: 5%.

    Nova Scotia: 15%.

    Nunavut: 5%.

    Ontario: 13%.

    Prince Edward Island: 15%.

    Quebec: 14.975%.

    Saskatchewan: 5%.

    Yukon: 5%.

  • Q : Are there import charges on orders shipped to Canada? +

    A : No. Canadian customers will not be charged import fees.

  • Q : Are there import charges on orders shipped to the USA? +

    A : No. USA residents will not be charged import fees.

  • Q : Are there import charges on International shipments? +

    A: Shipping prices do not include VAT or other import taxes.

    Customers outside of Canada and the USA are responsible for duties and taxes.

    Orders that come back to the shop as refused by the customer will be refunded minus shipping.

    Please track your shipment to be aware of customs processing and delivery attempts.

  • Q : Can you declare a lower value on customs documents? +

    A : We understand that import fees are an annoying part of international purchases.

    However, we cannot offer to declare a lower value on customs forms.

    Customers outside of Canada and the USA are responsible for any fees that may be charged by their government.