GFI System Specular Tempus


Studio-grade delay and reverb with ultra-compact formfactor, 32 algorithms, 32 presets, stereo, MIDI, tap-tempo and more.

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SKU: 404322

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The GFI System Specular Tempus is a powerful reverb and delay effect processor in a compact pedal. Featuring 32 hand-crafted algorithms, 32 presets. stereo in/out, tap-tempo, and extensive inter-connectivity.

The 32 presets are organized in 4 pages, where each page contains 4 banks, and each bank contains 2 patches, A and B, accessible via each footswitch on the pedal. The GFI System Specular Tempus has been designed with the need to interconnect with the outside world in mind. It features no less than 4 interfaces that greatly expand the specular horizon :

Aux-In – accepts single, dual, or triple buttons switch boxes for versatile external control (tap-tempo, bank up/down, etc).
Aux-Out – provides a switch contact that you can use to control other gears (e.g. switching an amp’s channel).
Effects Loop – create your own unique delay or reverb sounds by inserting other effects into the delay or reverb feedback.
MIDI In – nearly all functions of the pedal are opened to MIDI access, including tap-tempo and expression pedal control.

Tap-Tempo : you can tap in your tempo using an external tap pedal or on the pedal itself (using a special mode). Subdivisions can be specified uniquely for each preset.

Auto knob swell : when you engage this feature, the parameter controlled by one of the knob is slowly swept to the maximum value, hold it there, and then swept back to the original setting. Used judiciously, this feature can introduce dynamic elements to the soundscape.


Highlights Studio-grade reverb and delay in compact form-factor
32 algorithms (effects), 32 presets
Stereo in/out, MIDI in
Tap tempo with 4 subdivisions
Analog dry-thru
Kill-dry for use in effect loop
Aux input and output for external control
External effects loop for stompboxes, i.e. to color delay repeats
Power consumption 9V DC center negative (power supply sold separately)
100 mA
Dimensions H: 5,5 cm (incl. knobs)
W: 12 cm
D: 9 cm
Weight 600 g.