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The Mocker
The fuzz inside our 1966 VOX UL730 expanded to take it further.
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THE STORY
Built from the real thing
The Mocker is based on the built-in fuzz circuit of our own 1966 VOX UL730, S/N 3042. Over the decades, a component in our amp had drifted out of spec, giving its fuzz a distinctive gated and spluttery character. Instead of correcting it, we decided to preserve it.
A Bias control lets you move from that underbiased character to the original 1966 fuzz response and take the circuit even further.
Discover the VOX UL730 story →PRODUCT OVERVIEW
Key features
Built from the real amp
Based on the built-in fuzz circuit of our own 1966 VOX UL730, S/N 3042.
New Old Stock OA200 diodes
The same Philips diode type used in the original VOX UL series.
Bias control
Move from gated and spluttery to the original open 1966 fuzz response and beyond.
Tone control
Shape the fuzz response to work across different guitars, amps and setups.
Flexible signal-chain placement
The Mocker is not particularly affected by buffers and can be placed anywhere in your signal chain.
Relay True Bypass
Relay-based true bypass switching.
HEAR IT
Demos
TECHNICAL DETAILS
Specs
Weight
410 g (0.90 lb)
Dimensions
13.6 × 8.7 × 5.5 cm (5.4" × 3.4" × 2.2") with knobs
Effect
Fuzz
Power
9V DC · Center Negative · 50 mA minimum
Current draw
≈12 mA
Bypass
Relay True Bypass
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What customers think about this product?
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From BARCELONA to the Planet 
Excellent sound, but the “limited edition” history needs a straight answer
I own The Mocker serial no. 307, in the earlier enclosure revision with the side Smart Track holes. Musically, it is an excellent pedal: distinctive, inspiring and genuinely enjoyable to play. My rating is not a complaint about its sound or basic build quality.
The problem is its provenance and Aclam’s lack of transparency.
At launch, Aclam stated that it had found 400 NOS Philips OA200 diodes and that The Mocker would therefore be limited to only 200 pedals. The scarcity of those diodes and the resulting collector status were explicit parts of the product’s presentation.
However, production continued beyond 200 using the same serial-number sequence. My pedal is no. 307. Aclam’s current history says that another stock of NOS diodes was later found, while an older product description stated that the company was working on a way to replicate the NOS components and re-release the pedal.
This leaves some very reasonable questions for owners of pedals numbered above 200:
Does serial no. 307 contain genuine NOS Philips OA200 diodes? At what serial number did the original stock end and the later stock begin? Were any replicated, substituted or electrically equivalent components used? How many Mockers have now been produced, and in what meaningful sense is the pedal still limited?
I posted these questions directly to Aclam on both Instagram and Facebook. As of writing, I have received no answer.
When a pedal is marketed as a limited collector’s item specifically because of scarce NOS components, accurate production records and a clear answer to owners are not optional. The Mocker sounds excellent, but the product history and customer communication do not currently meet the standard set by its original marketing.
If Aclam provides a clear, serial-specific explanation, I will gladly update this review. Until then: five stars for the musical idea, but only three stars overall because buyers deserve transparency about what they actually purchased.