Photo of GFI System Specular Tempus and more gear in a pedalboard

Photo of GFI System Specular Tempus and more gear in a pedalboard, guitar, and signal chain

GFI System Specular Tempus

^# 48

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$225.00 to $391.00 Price Tier: High-end

5.0 (10)

4 Reviews

Find out who is using GFI System Specular Tempus

3 community setups

13 wishlisted

50 saved

Page last updated Jun 11, 2026

Pricing and availability

We compare 600+ stores and found this item at 2 stores. Prices updated June 11, 2026.

Store

Reviews

Price

5.0 (66)

$225.00 14 available Used

View Deal

4.7 (45)

$391.00

View Deal

Average Price: $308

High-end/Boutique

$100

$276+

Price Tier

In the Reverb Effects Pedals category, GFI System Specular Tempus is priced in the High-end/Boutique range. This premium gear is built to very high standards and offers premium features.

Budget

Standard

High-end

Price History

Based on price data from 1 merchant for "GFI System Specular Tempus". Prices shown reflect NEW condition. Tracking began Apr 25, 2026.

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Description

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Unleash a world of sonic possibilities with the GFI System Specular Tempus, a versatile powerhouse that seamlessly combines studio-quality reverbs and delays into one compact pedal. Designed for musicians who crave both quality and flexibility, this pedal offers a treasure trove of features that can transform your soundscapes.

The Specular Tempus boasts an impressive array of 32 presets and 32 algorithms, allowing you to explore a vast range of ambient textures and rhythmic echoes. Whether you're dialing in a shimmering reverb or a tight slapback delay, this pedal provides intuitive control with knobs for blend, decay/time, param, and intensity/repeats. The tap-tempo function, complete with four subdivisions, ensures your effects stay in perfect sync with your performance.

Connectivity is a breeze with stereo inputs and outputs, alongside versatile MIDI and Aux In/Out options. The pedal's large and bright LCD display makes navigating its features straightforward, even on the darkest stages. For those who love diving deep into their gear, the SpecLab software offers an extended set of parameters for comprehensive algorithm editing.

Designed with the gigging musician in mind, the Specular Tempus includes a kill-dry function, ensuring your dry signal remains untouched when needed. With analog dry-thru, your original tone stays pristine, while effect bypass and preset selection are just a footswitch away.

Key Features:

Studio-quality reverbs and delays in one pedal
32 Presets and 32 Algorithms
Stereo input and outputs
Tap-tempo with 4 subdivisions
Aux In/Out and MIDI capabilities
Kill-Dry function and analog dry-thru
Large and bright LCD display
SpecLab software for extended editing options
Power: 9 V DC (power supply not included)

Product specs

Brand	GFI System
Model	Specular Tempus
Finish	Blacked Out, White
Year	2010 - 2020
Categories	Delay Pedals, Reverb Pedals

FAQs

What are the main effects offered by the GFI System Specular Tempus?: The GFI System Specular Tempus combines high-quality reverb and delay effects in a single pedal, offering a versatile range of ambient sounds for guitarists.
Does the Specular Tempus support stereo operation?: Yes, the Specular Tempus features stereo in/out functionality, allowing for rich, immersive soundscapes in stereo setups.
Can the GFI System Specular Tempus be powered with a standard pedalboard power supply?: The Specular Tempus requires a 9V DC power supply with a negative-center plug, drawing 100mA, which is compatible with most standard pedalboard power supplies.
Is the Specular Tempus compatible with external MIDI controllers?: Yes, the Specular Tempus can be controlled via MIDI, allowing for integration with external MIDI controllers for expanded functionality.
How does the Specular Tempus handle tap tempo?: The Specular Tempus includes tap tempo functionality, enabling users to sync delay times to the tempo of their performance easily.

Videos

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Andertons Music Co

Amazing Ambient Tones - GFI System Specular Tempus Reverb & Delay Pedal

Andertons Music Co

The Specular Tempus: Almost Too Good To Be True

Benn Jordan

GFI System Specular Tempus Review and Demo | Secret Weapons

Mark Johnston

GFI System Specular Tempus = Heavenly Reverbs + Delays!

Chords Of Orion

GFI System Specular Tempus Delay & Reverb (Stereo)

Do Noise

GFI System: Specular Tempus Reverb/Delay

Brett Kingman

Top 10 Sounds | GFI System Specular Tempus

R.J. Ronquillo

GFI System Specular Tempus (Using 1 Algorithm For P&W Reverb & Delay)

Guitar Emerge

Amazing Reverb AND Delay - Specular Tempus by GFI System

marbinmusic

Reviews

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PROS

Reverb and delay algorithms offer high-quality, out-of-this-world sounds
Compact size with a multitude of tonal options
Robust metallic casing ensures durability
Stereo spread and plate reverbs are especially praised
Useful for both studio recording and live performances
Compatible with SpecLab software for deeper sound customization
Offers unique sounds like Spatium, Anti-Shimmer, and freeze reverb
Can be easily integrated into existing pedalboards without requiring much space
Low current draw compared to similar pedals
Excellent value for the quality of tones

CONS

Swapping banks and accessing certain functions can be cumbersome
Interface and navigation can be tricky, especially for beginners
Kill dry function buried in submenus, lacking practicality
Limited onboard controls due to compact size
Learning curve to fully explore secondary features
Needs external footswitch for more intuitive live use
Cannot stack certain effects within the pedal itself
Limited preset slots compared to available algorithms
Some users find the reverb and delay tones to be sterile
Trails can end abruptly if not managed carefully

Owner Insights

We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about GFI System Specular Tempus.

Features and functionality

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Some users note the removal of certain algorithms like the Infinity and anti-shimmer, which will be added in future firmware updates.
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It's noted that the Specular Tempus can operate in either one stereo or two mono algorithms, although this feature is not clearly detailed in the manual.
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The Specular Tempus requires a USB B cable for software access to features like tap tempo, FX loop, and aux in/out, which are not accessible out of the box.
Source

Comparisons

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Mentioned as comparable to Empress' Echosystem, particularly praised for its dual-engine delay capabilities in a compact form.
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The Tempus is compared to the Source Audio Collider, with the latter favored for its ability to run delay and reverb simultaneously, offering greater algorithm flexibility.
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An owner with extensive experience in big-box pedals found the Tempus less compelling due to its algorithm limitations, favoring the Collider for broader tonal applications.
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The Specular Tempus' delays are noted to lack sufficient repeats compared to other models, but its reverb algorithms are highly regarded.
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Compared to the Strymon NightSky, the Tempus offers less algorithm flexibility, but its shimmer effect is a standout feature for many users.
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User experience

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Owners appreciate the compact size of the Specular Tempus, making it pedalboard-friendly while offering ambient delays, reverbs, and looping features.
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Some owners appreciate the Tempus aesthetically but feel limited by its inability to pair algorithms freely, prompting comparisons to other versatile options like the Synesthesia.
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Software and compatibility

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It's noted that the anti-shimmer effect is integrated into the shimmer algorithm as an octave down parameter, though some wish for more algorithm options.
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The device's editing software is essential for unlocking its full potential, although some users find the necessity of additional hardware and software cumbersome.
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Build quality

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The FX loop uses 1/8 inch jacks, which may require bulky adapters or hard-to-find right-angle cables, impacting ease of integration on pedalboards.
Source

Use cases and applications

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Users appreciate the Spatium algorithm for its lush reverb, and the adjustable shimmer effect is praised for integrating well into mixes without overpowering.
Source

Value and pricing

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In Europe, the Specular Tempus is priced close to competitors like the Strymon Big Sky, affecting its perceived value relative to other regions.
Source

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5.0 out of 5

Based on 4 Reviews and 10 Ratings

5 star

4 star

3 star

2 star

1 star

the_last_factory

1798

over 5 years ago

The best reverb & delay combo that I've ever owned.

This pedal is what I have been looking for in a reverb pedal. It's got the best plate reverb I've ever heard in my life. It has an all encompassing algorithm called Spatium that can be any big reverb you want it to be (which I have no idea how to pronounce that word). It's got amazing atmospheric reverbs like Vortex which I think is amazing for drums, bass, synths and my glitchtar. It's also got this deep algo called Anti-Shimmer that yields itself to becoming a beautiful pad for Dark Ambient soundscapes which I use constantly. The reverb delay and diffuse delays are to die for. The delay algorithms are just as amazing and I love the sounds that I can generate from the Ambiental algo (shimmer reverb-esque delay), the Transposer algo is an amazing pitch-shifted delay that adds more color to my palette with chromatic echoes! I'm only scratching the surface in here describing the pedal, but if you are looking for a high-quality reverb for live sets and studio use this in my humble opinion one of the best.

anyrandomhole

107

over 2 years ago

One of the best pedals ever made.

In terms of pure sound, the Tempus can wrestle with the giants. Spatium, Anti-Shimmer, and that freeze reverb are already worth the price. All that power on a small footprint and even smaller current draw means we have come a long way since the Big Sky, Space, and Reverb.

Roles:

Guitarist Bassist Keyboardist

Genres:

Post-rock Ambient Synthwave

arthur_dutson

201

almost 5 years ago

Best Guitar Pedal

This pedal cannot get enough starts. I can't believe the reverb/delay you get from just this pedal. There are 32 algorithms that are preset on this pedal, and they all sound fantastic. Strymon is great, but if you want to save lots of money and still get tones just as good (if not better) get this!

Roles:

Singer Guitarist

Genres:

Rock Blues Jazz