stonz basic manual
Contents
1. point causing you to turn up the volume to compensate In an extended session this can happen repeatedly until the volume is quite high and potentially dangerous e Break up sessions into half hour segments avoid all night jams Take breaks often and choose a maximum volume setting for your amp or mixer Try using very very low volumes as a break e Music can sound quite different at low levels use low volumes for initial setup and routine practice saving high levels for final mixes e If your music starts to sound painful it s most likely causing hearing damage as well Specifications Front Panel Size 5 25 x 3 W Module Depth 5 Phase Shift Stages 4 CV Range 0 10V Signal Level 10V p p typ Power 15 Vdc 65 57 mA Page 3 Calibration There are no calibration points on this module Troubleshooting Repair Warranty If you encounter problems that you can t solve contact us preferably via e mail with a description of the problem Let us know what does and does not work We can then help you get your module working We can fix modules for a minimum fee of 25 The parts contained in this unit have been carefully selected and tested They are guaranteed for 90 days from the date of purchase Page 42. StonZ BLACET RESEARCH MODEL StonZ 2440 VC Phase Shifter Module User Manual cv Oo _ FREQ CV t O Ono OUTA OUTB LFO RATE cv Qo DEPTH EXT MOD Oron MIX BLACET RESEARCH Blacet Research 15210 Orchard Rd Guerneville CA 95446 blacet blacet com http www blacet com 707 869 9164 Contents Copyright Reproduction by any means including the Internet prohibited without permission This document contains proprietary and trade secret information of Blacet Research and is provided as a service to the module owner Any unauthorized duplication or transferral may violate trade secret laws Contents subject to change without notice Page 1 Introduction The StonZ 2440 is a classic four stage phase shifter enhanced with voltage controlled functions such as center frequency regeneration and modulation depth A wide range low frequency oscillator LFO is built in External modulation may be applied to the Frequency jack or the Ext Mod jack which is mixable with the internal LFO Regeneration is phase switchable allowing a classic sound as well as an extra bright phasing effect The regeneration control allows self oscillation at maximum rotation Two out of phase outputs allow stereo imaging with the classic moving sound effect This design offers lower noise and larger signal handling than traditional circuitry Audio Attenuator Audio Input Center Frequency C
3. enter Frequency CV Regeneration CV Regeneration Amount Regeneration Phase OUTA OUT B Audio Outputs FA FA LFO ie A and B out of phase RATE ee LFO Speed cv g Modulation Depth CV Q MOD DEPTH amu Modulation Depth EXT MOD External Modulation Input Q MOD MIX compe Modulation Mixer BLACET RESEARCH Page 2 Controls and Operation IN Jack LEVEL Pot Audio input and attenuator pot Maximum gain is unity FREQ CV Jack and Pot Sets the center frequency of the phasing effect Typically use 0 10V Negative voltages will cancel the effect unless biased with the pot but allow the unprocessed signal through the module Regeneration CV Jack Phase Switch and Pot Controls the bite or regeneration of the phaser As the pot is rotated more toward FCW the amplitude of the phaser output will increase and self oscillation will occur Adjust the Level pot or Regen pot if unwanted distortion occurs The phase switch controls the feedback phase in the regeneration circuit A setting results in a common classic phasing effect while a setting selects a bright sounding effect OUT A OUT B Jacks The StonZ has two out of phase audio outputs for stereo use MOD DEPTH CV Jack and Pot The modulation depth can be voltage controlled or set by the pot The source of modulation voltage is the output of the Modu
4. lation Mixer See below EXT MOD Jack and Pot External modulation can be applied to this jack Typically use 0 10V Negative voltages may cancel the effect but allow the unprocessed signal through the module Note that modulation voltages are internally mixed with the Frequency voltage The pot mixes the internal LFO and external modulation With the pot FCCW only the LFO will modulate the phaser With the pot at FCW only the external modulation will be present Power Input Connector J8 This PCB connector requires a source of regulated 15Vdc and 15Vdc power to run the module Use a Blacet PS500 supply or the equivalent Connections to J8 should be made only when the power supply is OFF and the connector must be positioned correctly on the pins As using the wrong supply can cause damage to the unit please contact us if you have any questions Do not attempt to use wall warts to power the module Safety Information The use of any audio equipment requires some care to avoid potential damage to the hearing of the operator or their audience Even short term exposure to high audio levels can lead to temporary hearing loss and ringing in the ears Repeated exposure can eventually lead to permanent hearing problems Your ears have to last you all your life take a few precautions to keep them happy so that you can enjoy music even when you are older e When using mid to high volume levels be aware that the ear will loose sensitivity at some
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