Aclam Guitars

Aclam Dr Robert Overdrive

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Your secret weapon for Beatles tones!

The Aclam Guitars Dr. Robert is based on the Normal channel of the mythical Vox UL730.

The Vox UL700 amp series were the secret weapon used by The Beatles to achieve the unique guitar tones on Revolver and part of Sgt. Pepper.

Introduced in 1966, these state-of-the-art guitar amps mixed a solid-state preamp with a tube power amp section.

Thanks to the relatively new transistor technology, lots of features could be added.

Top of the line models included two channels with three band eq each, distortion, tremolo and reverb.

Only a small number of UL730 units survived: attaining the title of being the most collectable Vox amps, with prohibitive collector pricing.

Now they are the missing link between tube and solid-state amps!

The most accurate replica of the classic Vox UL730 preamp.

To accurately replica the amp's soul and character, Aclam Guitars traced the circuit board and measured each component's value in their original UL730.

One of the keys of the UL730's tone is its “Middle” control which is one of the most interesting mid-range EQ ever found in an amp.

By turning it counterclockwise, a great amount of mid-frequencies will be subtracted: creating a scooped sound.

On the other hand, when it's turned clockwise, it will bring out all the mids and the signal will build up in gain.

By tailoring the “Middle” knob you can control both midrange and saturation.

To achieve more distortion, Aclam Guitars added a custom FET saturation engine which mimics the attributes of the tube power amp section.

Aclam Guitars went even further: adding a "Mach Shau!" section.

This section adds saturation to your main sound and includes an independent volume control: allowing you to have a rhythmic and a solo tone.


Aclam Guitars Dr Robert V2 Pedal Features:

• The most accurate replica of the original Vox UL730 preamp.

• The Vox UL700 amp was the secret weapon used by The Beatles on their Revolver album.

• "Mach Shau!" function: Extra saturation available via a footswitch with an independent volume control.

New internal Gain Trimmer for the "Mach Shau!" section: fine-tune the saturation for smoother tones.

• Circuit tailored for both guitar and bass.

• Made with high-end components.

• Locks safely to your pedalboard via the thumb screws.

• Dimensions: 5.4" x 3.4" x 2.2".

• True Bypass.

• Power: 9V DC.

• Current draw: 100mA.



Type Overdrive
Condition New
Power 9V DC
Current Draw 100mA
Power supply included No
Manufacturer Warranty 2 years
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.


Customer Reviews

Based on 2 reviews

Superb overdrive/fuzz
Überfast delivery


It’s awesome. Easy ordering and super fast delivery. Thanks Electric Mojo. I’ll be a repeat customer.