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Analogue Solutions Treadstone User Manual

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Summary of Contents for Analogue Solutions Treadstone

  • Page 1 Treadstone user manual...

  • Page 2: Table Of Contents

    Analogue Solutions | TREADSTONE | Manual Introduc)on ..........................Treadstone Layout ........................Treadstone: ..........................Audio Applica)ons ........................MIDI (DAW Use) or CV & Gate? ....................Circuits Included ......................... Safety Instruc)ons ........................Quick Start ..........................Circuits in Detail ........................VCO - Voltage Controlled Oscillators ..................LFO - Low Frequency Oscillator ....................Envelope Generator ........................NOISE / SUB ..........................MIXER ............................Filter ............................Filtering External Sound Sources ....................VCA ............................

  • Page 3: Introduc)On

    CPUs. Controls are not quantised and read by CPUs. With the exception of the MIDI to CV circuit, which by its nature must have a digital element (and the digital echo of course), Treadstone really is analogue and the sound benefit is immediately apparent! We get many good comments about how good Analogue Solutions products sound.

  • Page 4: Treadstone Layout

    Analogue Solutions | TREADSTONE | Manual TREADSTONE CAN BE AS COMPLEX OR AS SIMPLE AS YOU WANT IT TO BE We have given this synth a large and diverse number of controls, that along side the patch sockets, will give even the best and experienced synthesist endless possibilities.

  • Page 5: Treadstone

    Treadstone: SYNTH – PERCUSSION – AUDIO PROCESSOR Treadstone is a very compact full analogue synthesizer. Analogue - as in really analogue. The synth and modulation element are totally analogue using real transistors and op-amps. There are no CPU stabilised and quantised circuits, no DCOs, no digital LFOs and no digital EGs, as found on other so called analogue synths.

  • Page 6: Midi (Daw Use) Or Cv & Gate

    Audio signals such as the VCO, Noise, external audio are all routed to the VCF via an analogue mixer. Analogue Amplifier The VCA can be set so it is always ‘open’. This allows Treadstone to be used as an effects processor. Analogue Envelope The EG features ATTACK, SUSTAIN, and combined DECAY/RELEASE.
  • Page 7 MIDI Velocity (or a MIDI controller). ‘Patchable’ External CV Control Sockets Treadstone has many input and output audio and CV sockets - to allow the synth to be effectively re-wired to make new sounds. The sockets also enable it to be easily used with Eurorack and other modular systems. They can be patched together.

  • Page 8: Safety Instructions

    Do not use a car wash or jet wash to clean this synth, and of course don’t use a dishwasher or washing machine. PLACE Place Treadstone soundly on a stable surface so it cannot fall off or over, causing it or yourself injury. POWER The unit needs a regulated 12V DC supply, minimum 500mA.
  • Page 9 Analogue Solutions | TREADSTONE | Manual Treadstone - 4 Dec 2017 | Page ! 9...

  • Page 10: Quick Start

    And play!!! POWER Treadstone comes with a power supply. It uses a power supply with a regulated 12V DC output. Do not use PSUs with a lower or higher voltage. Use only regulated 12V DC. Centre is positive.

  • Page 11: Circuits In Detail

    The best way to learn how to use Treadstone is to go straight ahead and play with it. Reading of this manual may only be necessary for finer operational detail.

  • Page 12: Vco - Voltage Controlled Oscillators

    Analogue Solutions | TREADSTONE | Manual VCO - Voltage Controlled Oscillators Treadstone has an analogue VCO. It produces the raw audio sound source for later processing. TUNE Use this control to alter the pitch of the VCO. PWM - Pulse Width Modulation switch Use this switch to apply PWM to the square wave.

  • Page 13: Lfo - Low Frequency Oscillator

    Analogue Solutions | TREADSTONE | Manual LFO - Low Frequency Oscillator Treadstone has an analogue LFO. It has Triangle and Square wave signals. SPEED This control alters the LFO speed / frequency. Treadstone - 4 Dec 2017 | Page ! 13...

  • Page 14: Envelope Generator

    Analogue Solutions | TREADSTONE | Manual Envelope Generator Treadstone features an analogue EG. Although it appears as an ASR type envelope, the ‘R’ also adjusts ‘D’ (decay) so you can get pretty good full ADSR style shapes. Attack This alters the rise time of the Envelope.

  • Page 15: Noise / Sub

    Analogue Solutions | TREADSTONE | Manual NOISE / SUB NOISE There is an analogue white noise generator. Use this for effects, wind, noise, breathe sounds. There is a Sub-Oscillator. This is a square wave signal that derives its pitch from the VCO (it follows the same pitch as the VCO) and is one octave lower.

  • Page 16: Mixer

    Analogue Solutions | TREADSTONE | Manual MIXER Noise / Sub switch Left routes white Noise to the mixer. Right routes Sub-Osc to the mixer. Centre is off. Square / Sawtooth Level Fully left gives you just Saw wave. Fully right gives you just Square.

  • Page 17: Filter

    Analogue Solutions | TREADSTONE | Manual Filter Treadstone has a 24db low pass SSM style filter. Cut-off Frequency Used to set the frequency cut-off. To get a good setting it must be balanced with the EG and Velocity mod controls (see below).

  • Page 18: Filtering External Sound Sources

    Analogue Solutions | TREADSTONE | Manual Filtering External Sound Sources External sound sources, such as vocals, guitars, mixer sends, samplers, etc. can be sent through the filter for extra treatment. Note, mic's and guitars may need pre•amping if the signal is too quiet.

  • Page 19: Midi Receive Channel

    MIDI receive channel is set to channel one and cannot be changed. MIDI Loop Sequencer Treadstone will always remember the last 16 events received. An event is a MIDI note (96 and 97 have special functions, see below). Analogue Clock...
  • Page 20 Turn MIDI clock transmit OFF on your External MIDI sequencer / DAW if you do not want the Treadstone sequencer to run, and just play using MIDI notes. When using MIDI sync, you will need to set the VCA Mode switch to EG (right) ideally due to the way internal analogue gate signals are generated.

  • Page 21: Echo

    Analogue Solutions | TREADSTONE | Manual Echo Treadstone features a lo-fi digital echo. The left control alters delay time. The centre control alters delay repeat. The far right control alters echo / dry mix level. BYPASS Bypass allows some VCO or Noise audio to be sent direct to the VCA, post-VCF. Ie un-filtered and raw.

  • Page 22: Patch Sockets

    Analogue Solutions | TREADSTONE | Manual Patch Sockets Treadstone features a generous array of eurorack style patch sockets the allow you to further extend the range of sounds possible by doing some simple patches. EG Trig This is a trigger input for the EG. LFO Square can be patched here to trigger the EG or use an external trigger signal from an analogue sequencer or eurorack modular.
  • Page 23 Analogue Solutions | TREADSTONE | Manual VCO Sockets The pitch can be controlled by two external CVs. These are the left two sockets. The top left one also has an attenuator control. DUTY - This CV input is used to modulate the pulse width of the VCO square wave.
  • Page 24 Analogue Solutions | TREADSTONE | Manual VCF CV There are two external CV inputs to control the filter cutoff. The top one also has an attenuator control. CV signals such as the LFO can be patched here for filter modulation effects.

  • Page 25: Patch Examples

    Analogue Solutions | TREADSTONE | Manual Patch Examples Over the next few pages are some cool and essential patch examples. These show some physical patches you can do with patch cables to create additional new sounds. The patches don’t show control positions - so play around here. These are just meant to give you ideas or show you new things.
  • Page 26 Analogue Solutions | TREADSTONE | Manual VCF Cross Mod - Use the VCO audio out to modulate the filter cut-off. Notes: Turn VCF CV Mod attenuator to maximum. Turn Resonance to maximum. Play around with pitch, pulse width, filter cut off to change the effect.
...
  • Page 27 Analogue Solutions | TREADSTONE | Manual Filter Cut Off Modulation - using the LFO triangle to modulate the filter cut off. Adjust the cut off mod attenuator to vary the intensity. Treadstone - 4 Dec 2017 | Page ! 27...
  • Page 28 Analogue Solutions | TREADSTONE | Manual Pitch Sweep - patch EG CV out to Pitch CV in. Adjust the pitch CV mod attenuator to vary the effect. Good for percussive sounds.
 Treadstone - 4 Dec 2017 | Page ! 28...
  • Page 29 Analogue Solutions | TREADSTONE | Manual Filter Cross Mod and Pitch Sweep. This is a combination of two patches covered earlier. Patch VCO Audio out to filter cut-off (the centre cable). Patch EG out to Pitch in. Try some settings suggested in the earlier patches.
  • Page 30 Analogue Solutions | TREADSTONE | Manual Vibrato - patch LFO Triangle output to pitch CV input. Adjust the pitch mod attenuator to vary the effect.
 Treadstone - 4 Dec 2017 | Page ! 30...

  • Page 31: No Signal

    • Check it is connected to your monitoring equipment correctly and that the cable is not faulty. • Ensure the output volume is high enough. • Ensure the Treadstone mixer level controls are turned to some sound source like the VCOs or Noise.

  • Page 32: Specifica)On

    Analogue Solutions | TREADSTONE | Manual Specification Weight: 420g Size: 134 x 125 x 52mm Power: regulated 12V DC output 2.1mm plug 300mA All jack sockets are 3.5mm mono, unbalanced. The MIDI In jack requires a special DIN to jack adaptor. One is included.

  • Page 33: Warranty

    (such as extremes of temperature and/or moisture) or to wear resulting from normal use. At the sole discretion of Analogue Solutions, the warranty is deemed to be void should the unit be or considered to have been opened or any other modifications or tampering be carried out by unauthorised parties.

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