Page 1: Table Of Contents
It has a customizable loop length of up to 2.5 minutes. Contents - Overview...
Page 2 This module acts as both. loop’s signal flow mimics that of a traditional tape loop system. As tape passes by the position of the record head, the existing audio on the tape is erased and an incoming...
Page 3: Getting Started
Getting started To follow along with the examples below put your loop in the following configuration. We’ll call this the “default configuration”. ● set the audio input level to full by turning the in knob fully clockwise ●...
Page 4 ● set the dry/wet mix to 50% by turning the knob to a 12:00 position , pointing straight up ● put the play head and the record head in the same position by turning the playhead knob fully counterclockwise ● set the record switch to off (down) ●...
Page 5 Set the loop length with the initial recording When you first power on loop , the green and red lights will be alternating slowly. This means that the module is ready to record the initial loop. Start by flipping the record switch on (flipped up) and then, after five or six seconds, switching it off (flipped down) again.
Page 6 In traditional tape loop systems there are two “heads”, one that records audio to a tape and another that picks audio up off the tape and plays it back. The loop module follows the same principle. Audio is recorded to one part of the loop at the record head position and audio is played back from another, the play head position.
Page 7 Setting the knob to 12:00 makes the playback distance equal to half your loop length so the delay is half the time of your total loop. If your loop is six seconds the delay will be three seconds.
Page 8: Detailed Functionality
To abort the initialization before flipping on and off three times, stop flipping and wait two seconds. Once the loop is initialized, the tape is erased and you can record another loop and set a new length.
Page 9 Speed The speed knob sets the speed of the tape. The speed of the tape determines the speed at which the tape moves relative to the record and playheads. If speed is set to 1x when recording then set to 0.5x on playback, what’s played back will sound twice as slow and at a lower pitch.
Page 10 The knob sets the value relative to the length of the loop. If the tape is moving forward (the tape speed is positive), fully counterclockwise will set the playhead in the same position as the record head meaning audio will be played back as soon as it is recorded.
Page 11: Record Switch
Solid green - audio is being played back from the play head position Green blink - when playing, the green light will quickly blink off then on again each time the tape loops. If a loop length is six seconds, it will blink once every six seconds. Record Switch...
Page 12: Jacks
The record switch is used to toggle recording audio to tape on and off. Up is on and down is off. The record switch is also used when erasing and initializing the loop (see “Erasing the loop” below). Note: the minimum length for an initial recording is 0.2 seconds, even if the initial recording is disabled before 0.2 seconds has passed.
Page 13 voltage of -5V subtracts 1x (or adds -1x) to the speed and 0V does not influence the speed set by the knob. Speed Knob Speed CV Tape Speed Feedback Type: CV Range: -5V to 5V Control voltage sent through the feedback jack is combined with the feedback knob to control the feedback level.
Page 14: Erasing The Loop
Dual-mono audio outputs. DC-coupled. 48kHz / 24-bit. Erasing the loop The tape loop can be erased and put in the initial state it was in when the loop module initially started. This can be useful if you want to erase the audio on the tape and/or create a new loop length.
Page 15: Patch Ideas
Patch ideas...
Page 18 - Quantized loop: to keep your loop in sync with the clock, use a gate with the length of a bar or two to create your initial recording. - Bring your own wow and flutter with speed CV. - Quantized playback - Tape speed also determines pitch. As playback slows down, the pitch lowers and as it speeds up, the pitch rises.
Page 19 The voltage changes that you send depend on whether the tape is playing forward (1x) or reverse (-1x). Record a loop to tape and mix it with incoming audio. Set the speed to 1x and use the following table to change the tape speed with control voltage. Drop what’s being played an octave by sending -2.5V to the speed CV.
Page 20: Firmware Updates & Support
5.000 -5.000 Firmware updates & support yo@jroo.co https://jroo.co/products/loop/firmware Acknowledgements Special thanks to Sarah, Nick Brethauer, M.Christian, Christopher H. M. Jacques, Mike Jett, Mike Gintz (Mute City), Fayek Helmi (256k), Ben Rosenbach (benirose), Alex (3hands4milo), Dom at Cicada Sound, Gabriel, Manu and Ottawa Experimental Music Discord, Earth Modular Society, EZBOT, lines, Teletype Study Group, Europi and Winterbloom communities for your support, encouragement and inspiration.
Page 21 Documentation version: 20221015...