PedalBro

Tremolo · Universal Audio

Universal Audio Flow Vintage Tremolo

This tremolo pedal emulates three different tube amplifier tremolo circuits: optical, harmonic, and bias variations. It includes a tube preamp section and allows you to set the effect speed using tap tempo.

  • 9V DC · center −
  • 250 mA
  • Digital
  • Mono
New
from $149
Used (asking)
from $99

The rundown

Highlights

  • Three tremolo types modeled after tube amp designs
  • Tap tempo control for setting modulation speed
  • Tube preamp section included
  • Runs on standard 9V DC power
  • Compact footprint at 65.5 x 121.2 mm

Best for

Players who want authentic tremolo sounds based on classic tube amplifiers with the convenience of tap tempo synchronization.

Quick facts

Power
9V DC
Current draw
250 mA
Polarity
Center negative
Dimensions
65.5 × 121.2 mm
Stereo
No
MIDI
No
Tap tempo
Yes
Status
In production

Where to buy Universal Audio Flow Vintage Tremolo

$149 lowest new price · Reverb

Used listings asking $99–$156.73, median $123.21 (4 listings, small sample). Asking prices, not sold prices.

Current offers
SellerConditionPriceLink
ReverbUsed$99View
ReverbUsed$104View
ReverbUsed$142.41View
ReverbNew$149View
ReverbNew$169View
ReverbNew$169View
ReverbNew$169View
ReverbNew$169View
ReverbNew$169View
ReverbNew$169View

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

Frequently asked questions

What power does the Universal Audio Flow Vintage Tremolo require?

The Universal Audio Flow Vintage Tremolo runs on 9V DC at 250 mA with a center-negative connector.

Does this pedal have tap tempo?

Yes, the Universal Audio Flow Vintage Tremolo includes tap tempo functionality.

What are the dimensions of this pedal?

The Universal Audio Flow Vintage Tremolo measures 65.5 x 121.2 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.