PedalBro

Modulation · Keeley Electronics

Keeley Electronics 30ms Double Tracker

The Keeley Electronics 30ms Double Tracker is a modulation pedal that creates a studio-quality doubling effect to thicken guitar tones. It offers stereo output capabilities in a compact footprint.

  • 9V DC · center −
  • 65 mA
  • Analog
  • Stereo
New
from $199
Used (asking)
from $109

The rundown

Highlights

  • Studio-quality doubling effect for tone thickening
  • Stereo output configuration
  • Compact size at 69.3 x 114.3 mm
  • Runs on standard 9V DC power
  • Made in the USA

Best for

Guitarists seeking a compact doubling effect to add width and thickness to their tone with stereo capability.

Quick facts

Power
9V DC
Current draw
65 mA
Polarity
Center negative
Dimensions
69.3 × 114.3 mm
Stereo
Yes
Status
In production

Where to buy Keeley Electronics 30ms Double Tracker

$199 lowest new price · Reverb

Used listings asking $109–$109, median $109 (1 listing, small sample). Asking prices, not sold prices.

Current offers
SellerConditionPriceLink
ReverbUsed$109View
ReverbNew$199View
ReverbNew$240.60View

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

Frequently asked questions

What power supply does the 30ms Double Tracker need?

The Keeley Electronics 30ms Double Tracker runs on a 9V DC supply with center-negative polarity and draws 65 mA.

Does this pedal support stereo output?

Yes, the 30ms Double Tracker features stereo output.

How large is the 30ms Double Tracker?

The 30ms Double Tracker measures 69.3 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.