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Average Price: $135
Standard/Professional
$100
$251+
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Price History
Based on price data from 3 merchants for "T-Rex Engineering Replay Box". Prices shown reflect NEW condition. Tracking began Apr 2, 2026.
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Description
Introducing the T-Rex Engineering Replay Box - a compact yet powerful stereo delay pedal that is a must-have for musicians aiming for dynamic and vibrant sounds. This pedal is designed not just for guitarists, but also for synth players, offering true stereo operation that adds depth and complexity to your sound.
With the T-Rex Replay Box, you can enjoy up to three seconds of delay time, making it versatile for a range of musical styles. The all-analog dry signal path ensures your core tone remains intact, while the tap tempo footswitch provides easy tempo-syncing for precise rhythmic effects.
One of the highlights of this pedal is the subdivision switch, that allows you to select from quarter note, triplet, or dotted eighth note delays, offering you a broad palette of delay effects to experiment with.
Crafted by Danish tone pioneers, T-Rex Engineering, the Replay Box maintains their legacy of producing quality effects pedals that are built to last. So, whether you're a fan of David Gilmour's ethereal solos or John Mayer's bluesy riffs, the T-Rex Replay Box is a reliable addition to your pedalboard.
Key Features: - Stereo delay pedal with Volume, Mix, Repeat, and Tempo controls - Tap Tempo for easy syncing of delay effect - Subdivision switch for quarter note, triplet, and dotted eighth note delays - Up to 3 seconds of delay time - All-analog dry signal path for maintaining core tone - Ideal for both guitars and synthesizers - Requires 9-volt power supply (sold separately) - True stereo operation for intricate soundscapes - Designed and built by T-Rex Engineering, renowned for their quality effects pedals
Product specs
| Pedal Type | Delay |
| Max Delay Time | 3 seconds |
| Inputs | 2 x 1/4" (left, right) |
| Outputs | 2 x 1/4" (left, right) |
| Power Source | 9V DC power supply (sold separately) |
| Batteries | 1 x 9V |
| Height | 2.0" |
| Width | 4.5" |
| Depth | 2.4" |
| Weight | 9.5 oz. |
FAQs
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What is the maximum delay time of the T-Rex Replay Box?
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The T-Rex Replay Box offers a maximum delay time of 3 seconds, allowing for a wide range of delay effects from short slapbacks to long, ambient echoes.
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Does the T-Rex Replay Box support stereo operation?
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Yes, the T-Rex Replay Box features true stereo operation with two 1/4" inputs and outputs, making it suitable for stereo rigs and enhancing spatial effects.
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What power options are available for the T-Rex Replay Box?
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The T-Rex Replay Box can be powered using a 9V DC power supply (sold separately) or a 9V battery, providing flexibility for different performance setups.
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How does the tap tempo function work on the T-Rex Replay Box?
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The tap tempo function on the T-Rex Replay Box allows you to set the delay time by tapping a footswitch in rhythm, enabling precise synchronization with your music.
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Can I adjust the subdivisions on the T-Rex Replay Box?
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Yes, the T-Rex Replay Box includes a subdivision control, allowing you to choose different delay patterns such as quarter notes, eighth notes, and dotted eighths for creative expression.
Videos
T-Rex Effects
T- Rex REPLAY BOX Delay
T- Rex REPLAY BOX Delay
T-Rex Effects
4 sounds with the T-Rex Replay Box delay
Evert Zeevalkink
T-Rex Effects Replay Box Stereo Delay
Pedal of the Day
T-Rex Replay Box Video Test
Musicoff - Where Music Matters
T-Rex Engineering Replay Box Stereo Delay Guitar Effects Pedal
chatreeo
T-Rex ReplayBox Delay Effect // Review + Sound Demo
MusicStoreTV
Replay Box - Stereo delay pedal from T-Rex (Product video)
T-Rex Effects
T-REX Replay Box delay pedal, by Msm workshop
MSMWorkshop
T-Rex - Replay Box
Bass Stuff
Reviews
PROS
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Compact, pedalboard-friendly size
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Stereo inputs and outputs enhance setup versatility
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Tap tempo feature for precise delay control
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Robust and durable build quality
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Offers clean, high-quality delay sounds
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Unique settings with 3rds and dotted 8ths options
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Low power consumption
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Volume knob allows for global volume control after gain pedals
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Attractive price point for its features
CONS
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Lacks ping-pong delay effect for stereo sound manipulation
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Footswitches too close to knobs, risking unintended setting changes
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Volume knob inclusion potentially confusing and risky on a dark stage
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Sound character may not satisfy those seeking distinct analogue warmth or pristine digital repeats
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Requires strong foot press and considerable force to remove cables
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Tempo needs re-tapping with any setting change, affecting live performance ease
Owner Insights
We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about T-Rex Engineering Replay Box.
Features and functionality
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A T-Rex Replay Box owner experienced weird noise on the repeats, affecting their perception of the pedal's quality.
Source -
The Replay Box has a built-in tap tempo feature, which is rare for its compact size, making it appealing for pedalboard efficiency.
Source -
The volume knob on the Replay Box acts as a slight boost, but the increase is minimal, unlike the more pronounced gain knob on a Deluxe Memory Boy.
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The Replay Box lacks trails, meaning it doesn't continue playing delay repeats after being turned off.
Source
Comparisons
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Some users replaced their T-Rex Reptile 2 with a Source Audio Nemesis for its ability to store multiple presets, indicating a preference for versatility.
Source
Use cases and applications
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The Mudhoney II is praised for its ability to provide both a mild overdrive and a boosted higher gain distortion, ideal for dynamic playing styles.
Source
User experience
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Negative feedback on the T-Rex Replicator highlights issues with calibration using a tiny thumbscrew, leading to poor sound and reliability concerns.
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Clear repeats are achievable on the Replay Box, depending on the mix knob's position, though some users find this clarity subjective.
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Repeats on the Replay Box can become unpleasant if the tap tempo is used more or less than four times, potentially due to power issues.
Source
Setup and maintenance
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Daisy chaining the Replay Box with a One-Spot can cause noise issues, which are expected to be resolved with a dedicated power supply like the Cioks DC5.
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Replacing a damaged 1N4007 M7 diode with a through-hole version is possible by bending leads; excessive flux helps with soldering precision.
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Water damage can be addressed by cleaning with isopropyl alcohol and checking circuit traces for continuity.
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It's suggested to verify voltages on IC pins to ensure components like the D-type dual flip flop are functioning correctly.
Source
Mods and upgrades
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Converting a through-hole 1N4007 diode into an SMT version involves bending and clipping leads to fit the pad distance.
Source
4.5 out of 5
Based on 4 Reviews and 13 Ratings
229
First impression of a delay pedal and I'm very happy :)
I love how it has a tap tempo switch built in compared to how some other delay pedals got to have a seperate switch that has to be plugged in to it. The only thing is that I don't understand the toggle. It has 3 different modes but It doesn't seem to do anything. I always keep it at the bottom mode.
Preferred Settings + Usage:
Volume: 02:30 Mix: 01:00 Repeat: 11:30 Tempo: ignore and use the TAP switch instead.
1549
Possibly too good and too advanced for me :)
I used to own it and frankly speaking it was too complex for my needs, a snow I mostly used a built-in amp delay. But I remember it was a great pedal that even allowed you to get a Van Halen's Eruption ending oscillation noise on the spot with just one click. Quite bulky and cool pedal with lots of complex settings, such as dotted eight delay. Just not really for me...and a bit expensive too naturally.
111
751
Small one Analog Delay untill 3 seconds
Very simple but efficient delay with high quality sounds , 2 stereo inputs outputs sounds great with smooth distortion or overdrive and also in clean sounds
Artist usage
Add artist
Found on Cam's pedalboard on 10/24/21
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Yuji Adachi uses the T-Rex Engineering Replay Box delay pedal, as mentioned on his official website.
Genre Usage
Based on how artists on Equipboard use this gear, it is most commonly found in the following genres.
Used With
Based on how musicians on Equipboard use T-Rex Engineering Replay Box, it is most commonly used with the following gear.
Community setups
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