Up to 15% Off Select Gear with code: ROCKSTAR
Looking for Coupons?Call us 800-449-9128 Hablamos Español
Accessories Sale -Final Day - 15% off qualifying orders $25 or more
Supro Logo
J46377 000000000

Supro 1310 Analog Harmonic Tremolo Pedal

  • Write a Review

The 1310 Analog Harmonic Tremolo is an analog stompbox designed to recreate two of the most desirable vacuum tube based modulation effects found in A...Click To Read More About This Product

In Stock & Ready To Ship

Gold Coverage: (What’s This?)
  • Shipping (48 Contiguous U.S. States)
  • Your Price :
  Add to Cart
Add to Wish List

Earn up to 1,832 reward points.

Special Financing Offer
Musician's Friend Platinum Card

Special -month financing. Valid through 09/30/2017
Get DetailsAbout Special Financing Offers

See All Supro Tremolo & Vibrato Effects Pedals

A versatile tremolo that offers vintage sounds with total control.

The 1310 Analog Harmonic Tremolo is an analog stompbox designed to recreate two of the most desirable vacuum tube based modulation effects found in American amplifiers of the 1960’s. The Supro 1310 Analog Harmonic Tremolo pedal’s AMPLITUDE / HARMONIC switch allows the musician to choose between these distinctly different, vintage effects. AMPLITUDE mode provides the traditional swampy, tremolo sounds generated by bias modulating the power tubes in the original Supro amps. HARMONIC mode provides the psychedelic tones of Leo Fender’s brownface and blonde amps from the early '60s. Supro has implemented Leo’s unique “harmonic tremolo” effect within the output stage of the pedal to create an “amp-like” modulation experience.
The Supro 1310 Analog Harmonic Tremolo pedal features pre-amp and power amp sections, with an actual output transformer deployed to recreate the magnetic saturation and coloration of the original vacuum tube based effects found in these historic amps. Along with the standard modulation controls for speed and depth, the Supro 1310 Analog Harmonic Tremolo also features a gain circuit that allows the musician to overdrive the output stage, right where the modulation effects are created. The GAIN control 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 to grind, with magnetic saturation occurring as the power section is pushed into overdrive. As you crank up the gain, the overall output level of the Supro 1310 Analog Harmonic Tremolo 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 overwhelming increase in audio output level.
SPEED and DEPTH controls determine the rate and amount of modulation present in the effect. An industry-standard TRS expression pedal can be used to control the speed of the Supro 1310 Analog Harmonic Tremolo. When an expression pedal is in use, the onboard SPEED knob is used to set the maximum value. The rate of modulation is indicated by the pulsing LED status indicator. All Supro pedals are assembled in Port Jefferson, NY, USA, featuring custom-tooled, anodized, brushed-aluminum enclosures, 9V battery or AC powered operation, rear-mounted metal jacks, easy-access side-mounted battery drawer and studio-friendly, noiseless (click-free) true-bypass switching.

  • Switchable AMPLITUDE or HARMONIC modes
  • Emulates a Class-A tube amp circuit from end to end
  • Achieves magnetic saturation via output transformer
  • Gain control with auto level compensation
  • Expression pedal control for SPEED
  • Accepts standard 2.1 mm neg. tip power supply
  • Runs on 9V battery (included)
  • Current draw under 30mA
  • Pedal size: 12 cm x 6.5 cm x 6.5 cm
  • Original circuit design by Thomas Elliott

Call or click to order today!


Review Snapshot

by PowerReviews
Supro1310 Analog Harmonic Tremolo Pedal

(based on 1 review)

Ratings Distribution

  • 5 Stars



  • 4 Stars



  • 3 Stars



  • 2 Stars



  • 1 Stars



Reviewed by 1 customer

Displaying review 1

Back to top

(1 of 1 customers found this review helpful)


Beautiful 3-dimensional Tremolo

By Shad

from NJ

See all my reviews

Verified Reviewer


  • Sounds like a classic old amp tremolo


  • Extreme volume boost with Gain turned up

Best Uses

    Comments about Supro 1310 Analog Harmonic Tremolo Pedal:

    This Supro has a fantastic tremolo sound - thick, lush 3D throbbing, pulsating and warm. It has 2 modes. Amplitude is a standard tremolo sound and Harmonic adds a swirling phase effect that is awesome. With the speed turned down & depth turned up, you can get a nice flange sound. The trem speed goes from super slow to ridiculously fast. The pedal does color your tone when turned on. It adds a warm fat tone with accentuated lower mids. I use it sometimes with the tremolo effect off to fatten up a clean rhythm tone. My only disappointment is with the Gain control. The pedal already boosts the volume slightly with the gain on "0" and when turned up, the volume increases massively, making the gain knob unusable for me. Yes, most any stompbox will increase the volume as the gain knob is turned up, but Supro goes out of their way to brag about how the pedal is designed so that the volume does not increase as the gain knob is turned up. For the high price, I was planning on having this pedal do double duty as a tremolo and a low-to-medium overdrive. Its a shame because it does have a nice natural sounding amp overdrive, but the volume boost is so exaggerated that the gain knob stays turned town. Still, the tremolo sounds in this pedal are top notch. If you are looking for a great tremolo that sounds like the old Fender & Vox amps and have the cash to drop, this is the pedal for you.

    • Was this a gift?:
    • No

    Displaying review 1

    Back to top

    You are changing the Ship-To country.

    Our product catalog varies by country due to manufacturer restrictions. If you change the Ship-To country, some or all of the items in your cart may not ship to the new destination.