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Boost · Catalinbread

Catalinbread Epoch Bias

The Epoch Bias is a boost pedal built around an Echoplex preamp circuit, featuring a bias control to shape the character of the amplification. It offers up to 22V of internal boost and aims to deliver the warmth and presence associated with vintage tape echo units.

  • 9V DC · center −
  • 18 mA
New
from $179
Used (asking)
from $115

The rundown

Highlights

  • Echoplex preamp circuit with adjustable bias control
  • Up to 22V internal boost voltage
  • Four controls: Preamp, Bias, Boost, and Filter
  • Runs on standard 9V DC power (18 mA)
  • Made in the USA

Best for

Players seeking a boost pedal with vintage preamp character and tonal shaping options.

Quick facts

Power
9V DC
Current draw
18 mA
Polarity
Center negative
Dimensions
68.6 × 114.3 mm
Controls
Preamp, Bias, Boost, Filter
Status
In production

Where to buy Catalinbread Epoch Bias

$179 lowest new price · Reverb

Used listings asking $115–$185.42, median $178.95 (4 listings, small sample). Asking prices, not sold prices.

Current offers
SellerConditionPriceLink
ReverbUsed$115View
ReverbUsed$178.95View
ReverbUsed$178.95View
ReverbNew$179View
ReverbNew$179.99View
ReverbNew$179.99View
ReverbNew$179.99View
ReverbB-stock$179.99View
ReverbNew$179.99View
ReverbNew$179.99View

Prices last checked 20 hours ago. Links to sellers are affiliate links.

Frequently asked questions

What power does the Epoch Bias require?

The Epoch Bias runs on a 9V DC supply with center-negative polarity and draws 18 mA.

What controls does the Epoch Bias have?

The Epoch Bias features four controls: Preamp, Bias, Boost, and Filter.

What are the dimensions of the Epoch Bias?

The Epoch Bias measures 68.6 x 114.3 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.