PedalBro

Overdrive · Formula B

Formula B Super Plexi

The Formula B Super Plexi is a two-channel JFET overdrive inspired by the Marshall JTM45, combining a plexi-style drive circuit with a clean boost channel.

  • 9V DC · center −
  • 10 mA
  • Analog
New
from $214.79
Used (asking)
No listings yet

The rundown

Highlights

  • Two-channel design with plexi drive and clean boost
  • JFET-based overdrive circuitry
  • Controls for Level, Tone, Gain, Boost Volume, and channel switching
  • Compact size at 122.7 x 70.9 mm
  • Runs on 9V DC, 10 mA

Best for

Players seeking a two-channel overdrive that blends vintage plexi-style drive with a clean boost option.

Quick facts

Power
9V DC
Current draw
10 mA
Polarity
Center negative
Dimensions
122.7 × 70.9 mm
Controls
Level, Tone, Gain, Boost Volume, Order toggle
Status
In production

Where to buy Formula B Super Plexi

$214.79 lowest new price · Reverb

Current offers
SellerConditionPriceLink
ReverbNew$214.79View
ReverbNew$221.32View
ReverbNew$249View

Prices last checked 22 hours ago. Links to sellers are affiliate links.

Frequently asked questions

What power supply does the Formula B Super Plexi use?

The Formula B Super Plexi runs on a 9V DC supply drawing 10 mA.

What controls does the pedal have?

The Formula B Super Plexi features Level, Tone, Gain, Boost Volume controls, and an Order toggle to switch between its two channels.

How big is the Formula B Super Plexi?

The Formula B Super Plexi measures 122.7 x 70.9 mm.

Similar pedals

Same type, similar features.

Specs from pedalfilter. Summary written by PedalBro from those specs and public descriptions.

Page last updated September 29, 2026.