SUPRO TREMOLO User manual
All Contents © Bond Audio LLC 2021
TREMOLO
User Manual
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CONTENTS
1) Introduction
2) Explanation of Controls
3) Warranty
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1. INTRODUCTION
2. EXPLANATION OF CONTROLS
The Supro Tremolo accurately recreates the iconic modulation effects found in American amplifiers of
the 1960s. With both Amplitude and Harmonic modes, the all-analog Supro Tremolo allows players to
switch between swampy tremolo sounds and psychedelic modulating tones. The Supro Tremolo features
preamp and power amp sections, including an actual output transformer deployed to recreate the magnetic
saturation characteristic of historic Supro amps. Along with modulation controls for Speed and Depth, the
Supro Tremolo provides Gain control with automatic output level compensation. Additionally, the pedal
Depth: Sets the overall intensity of the tremolo effect.
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Speed: Sets the rate of modulation.
Amplitude / Harmonic: Selects one of two distinctly different modulation effects. Amplitude mode
provides the traditional power tube tremolo sounds found in the vintage Supro amps from the 40’s.
Harmonic mode features a pair of crossfading filters to recreate the uniquely psychedelic tones of
amps from the early 60’s.
Expression Jack: Accepts a 1/4” TRS cable from a standard expression pedal. This controls
the Speed of the modulation. The on-board Speed control will set the maximum range of the
expression pedal.
battery drawer. A 1/4” TS cable must be connected to the input jack for the pedal to power up.
Gain: Sets the amount of “preamp” gain in the pedal. As you turn the gain up, the “power amp”
circuit will gradually be pushed into overdrive. This control gives you a wide range of sounds from
clean with slight magnetic coloration to the signature Supro power-tube overdrive. As the gain level
is increased, the output level is automatically compensated in order to maintain consistent signal
level. This allows the musician to use the Gain control to alter the texture of the modulation effects
without an unwanted increase in audio output level.
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3. SUPRO LIMITED WARRANTY
Your new Supro product is warranted to be free from defects in materials and workmanship for 1 year from
the original date of purchase. If the product is registered at http://suprousa.com/warranty, coverage is
extended to two years. Tubes and speakers are covered for 90 days. Warranty applies only to the original
retail purchaser of a registered Supro product, subject to the limitations contained in this warranty.
THIS WARRANTY IS EXTENDED TO THE ORIGINAL RETAIL PURCHASER OF SUPRO PRODUCTS BOUGHT
ON OR AFTER JANUARY 1, 2020 ONLY AND MAY NOT BE TRANSFERRED OR ASSIGNED TO SUBSEQUENT
ORIGINAL DATE OF PURCHASE. YOUR PROOF OF PURCHASE OR SALES RECEIPT MUST ACCOMPANY ALL
IF YOU DO NOT REGISTER THE PRODUCT WITHIN 60 DAYS OF PURCHASE, YOUR PRODUCT WILL NOT BE
If your Supro product is destroyed, lost or damaged beyond repair while in the possession of Supro for
repair, Supro will replace that product with one of the same or most similar style of a value not in excess of
the original purchase price of your product. Any insurance covering the product, including but not limited to
collector’s value insurance, must be carried by you at your expense.
This warranty covers the cost of both labor and materials on repairs deemed necessary by our Customer
Service Representative which includes:
tampered with or altered.
service has been performed.
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Product manuals are offered digitally in an attempt to be mindful of our environment.
We ask that you consider the same before printing at home. Thank you!
INCLUDING WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, EXCEEDING
WARRANTY. SOME STATES AND/OR COUNTRIES DO NOT ALLOW THE EXCLUSION OR LIMITATION OF
ANY SPECIAL, INDIRECT CONSEQUENTIAL, INCIDENTAL OR OTHER SIMILAR DAMAGES SUFFERED BY THE
PURCHASER OR ANY THIRD PARTY, INCLUDING, WITHOUT LIMITATION. DAMAGES FOR LOSS OF PROFITS
OR BUSINESS OR DAMAGES RESULTING FROM USE OR PERFORMANCE OF THE PRODUCT, WHETHER IN
THE POSSIBILITY OF SUCH DAMAGES, AND SUPRO SHALL NOT BE LIABLE FOR ANY EXPENSES, CLAIMS,
OR SUITS ARISING OUT OF OR RELATING TO ANY OF THE FOREGOING.
Steps To File for Warranty Coverage:
Register your new product at http://suprousa.com/warranty
Complete the warranty request form available at http://suprousa.com/support and we will handle it from there!
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