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Tremolo · Seymour Duncan

Seymour Duncan Shapeshifter

A stereo tremolo pedal with wave shaping controls, tap tempo, and phase adjustment that aims to recreate vintage tube amp tremolo characteristics through an all-analog signal path. The pedal has been discontinued.

  • 9V DC · center −
  • 13 mA
  • Stereo
New
from $257.30
Used (asking)
from $109

The rundown

Highlights

  • Stereo output capability for wider spatial effects
  • Tap tempo control for syncing tremolo to performance tempo
  • All-analog signal path with wave shaping and phase control
  • Runs on standard 9V DC power or battery
  • Compact footprint at 88.9 x 129 mm

Best for

Musicians seeking classic tremolo textures in a stereo-capable pedal who value tap tempo control and analog circuitry.

Professional reviews

What the press rated it. We link to each review; read the full piece for the details.

Quick facts

Power
9V DC
Current draw
13 mA
Polarity
Center negative
Dimensions
88.9 × 129 mm
Stereo
Yes
Tap tempo
Yes
Status
Discontinued

Where to buy Seymour Duncan Shapeshifter

$257.30 lowest new price · Reverb

Used listings asking $109–$111.24, median $110.50 (2 listings, small sample). Asking prices, not sold prices.

Current offers
SellerConditionPriceLink
ReverbUsed$109View
ReverbUsed$111.99View
ReverbNew$257.30View

Prices last checked 23 hours ago. Links to sellers are affiliate links.

Frequently asked questions

What power supply does the Shapeshifter use?

The Shapeshifter runs on 9V DC with center-negative polarity at 13 mA and is battery-compatible.

Does this pedal have stereo output?

Yes, the Shapeshifter features stereo output.

Can you sync the tremolo speed to your playing tempo?

Yes, the Shapeshifter includes tap tempo functionality.

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.