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Description
harmonic tremolo pedal Supro Analog Harmonic Tremolo Pedal – SDS AUDIOSBrand: Supro Color: Teal Features: Supro 1310 Harmonic Tremolo Guitar Pedal: 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 1960s Modes: The Supro 1310 Analog Harmonic Tremolo pedals AMPLITUDE HARMONIC switch allows the musician to choose between these distinctly different, vintage effects AMPLITUDE Mode: It provides the
Brand: Supro
Color: Teal
Features:
- Supro 1310 Harmonic Tremolo Guitar Pedal: 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
- Modes: The Supro 1310 Analog Harmonic Tremolo pedal’s AMPLITUDE / HARMONIC switch allows the musician to choose between these distinctly different, vintage effects
- AMPLITUDE Mode: It provides the traditional swampy, tremolo sounds generated by bias modulating the power tubes in the original Supro amps
- HARMONIC Mode: It provides the psychedelic tones of Leo Fender’s brownface and blonde amps from the early '60s
- Features: 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
Binding: Electronics
model number: 0181118090951
Part Number: 0181118090951
Details: The Supro Tremolo accurately recreates the iconic modulation effects found in iconic 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 features an assignable Expression pedal control to adjust the Speed function. Runs on 9-18VDC.
EAN: 0181118090951
Package Dimensions: 5.0 x 3.3 x 3.2 inches
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
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4.9 ★★★★★
Based on 519 reviews
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Product Reviews
★★★★★ 5
Very handy
Color: Sienna
I purchased it because I still use paper boarding passes. With luggage claim paper, your passport and ID card, things could get quite messy if you try to put everything in your bag or backpack’s compartment.
This one organizes all those nicely. Because of its size it accommodates multiple boarding passes and luggage claim papers easily. (They used to get crumpled in international flights, and It annoyed me.). Yet it is compact enough to carry in your pocket.
One negative is its price. It is expensive. But it is a quality product. Nice leather and well made.
If you are willing to spend some $, this will spare you from searching your boarding pass and passport frantically at boarding. Highly recommend.
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Reviewed in the United States on July 4, 2025
★★★★★ 5
Excellent product, great for travel
Color: Cocoa
I just got back from a business trip and this is by far the most useful passport holder/wallet I've ever used. Lots of room for cards, bills, boarding passes, and a second passport and still folds very flat. Leather is good quality, and is very well put together. Since its too big for my pocket and will mostly live in my briefcase, I expect it to last a very long time.
The only drawback is the high price, especially since the leather is probably not full grain (it's not advertised as full grain, so we can assume it's not). But it fits my needs perfectly, even if it is a little overpriced.
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Reviewed in the United States on October 14, 2023
★★★★★ 5
Highly recommend.
Color: Cocoa
My favorite purchase for a recent trip across three continents. Fits in pocket (I mean it’s a tight fit, but it will fit). Perfect in cargo pant pocket. Has two separate compartments for paper bills which is nice - you can keep your home currency in one and travel currency in the other. Really sleek looking. Bought four of these and we all loved ours. Highly recommend.
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Reviewed in the United States on July 15, 2025
★★★★★ 4
Nice wallet. Just received it and used on trip to Italy
Too early to rate for durability, but it came quickly, looks nice, and appears to be well-made. Was a godsend on my trip to Italy and back. With all the times you have to show your passport (usually dragging your luggage with you), my passport was always at the ready, secure in my wallet in my pocket. I would not travel abroad without it. Not only that, it will serve as my daily wallet as well
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Reviewed in the United States on May 31, 2023
★★★★★ 5
Pen holder feature isn't good
Color: Cocoa
Edited review: previously I gave this a two-star review because when I inserted the pen into the pen holder the wallet couldn't close anymore... I tried taking it out putting it back in a few times and it seemed obvious to me that something was wrong and I just could not figure out why the wallet possibly was having an issue closing even though it's designed to hold a pen...
To me it seemed obvious that when inserting the pen you should have the clip on the inside where are the bills go.... That single millimeter of space that that clip takes up in the bill fold causes the wallet to not be able to close properly so it springs open.
Needless to say that felt extremely cheap for a product of this price and I was very unhappy and considering a return and after writing a bad review I happen to see product pictures with the clip on the inside of the wallet where your cards go and it dawned on me that I had just simply put the pen in in the wrong orientation.
That completely solves the issue.
So updated back to five stars, and the wallet is great.
2n update after using it for a week on an international trip so I was carrying my passport.
Worked great - made me feel safe to always have my passport and room for all my most important documents inside a -just- large enough for a passport wallet. I really don't think they could have saved another millimeter and still made such a quality wallet.
Having a micro pen in there is icing on the cake - makes you feel like James bond. I also felt safer having a hidden bill compartment so your not showing a fat stack of foreign currency (I mean depends on your use case but I was in some rather poor areas and this added some peace of mind and 'security' in my opinion). You can just keep some small bills up front and your real stack on the hidden flap.
I won't dock a star for it - but keeping this on a back pocket so you're sitting on it because it's bigger and the way it holds cards after just one week there's already card imprints on the leather (just imagine your older leather wallets where the cards start wearing through the leather)
Also I tested the RFD blocking and it indeed works. I'm unable to scan any cards through the wallet and that was an important feature to me. Even when the wallet is open and I ran scanners directly over cards (in the sleeves) it still didn't pick anything up.
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Reviewed in the United States on February 1, 2026