TBX-303 - SynthDIY.com
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1. ANALOGUE SOLUTIONS TBX 303 Trans Bass Xpress user manual ANALOGUE SOLUTIONS TB X V2 e amp oe c 24 10 2007 ss SSeJdx ssvgj SUD lt mi P2JONUO Jaindwo oo NP cocxgl KI AWNIOA amp on ru NZ 7 NIN XVN 7 NIN h SUI SSDEJ n SNOLLITTOS i INDOTIN Y WvVdDOdd ASL OV indino SJNOHd IOW NI IGIW NAHL IAIN NI XIW v v v v N v v ANALOGUE SOLUTIONS TB X V2 e amp oe c 24 10 2007 CONNECTIONS AC15V x 1 AC Adaptor Jack 15VAC 500mA Output x 1 Regular 1 4 6 35mm Jack Output Impedance 10K Ohm Headphone x 1 Stereo 1 4 Jack 8 30 Ohms mono signal MIDI MIDI In x 1 MIDI Thru x 1 MIX IN x 1 Regular Jack Impedance 100K Ohms Input Output Level 1 1 POWER AC ADAPTOR Uses 2 1mm diameter barrel type DC connector VOLTAGE 12 15VAC AC NOT DC CURRENT DRAIN approx 400mA maximum PHYSICAL DIMENSIONS 307mm x 148mm x 60mm WEIGHT 1500grams Specifications subject to change without notice ANALOGUE SOLUTIONS TB X V2 e amp oe c 24 10 2007 TBX 303 INTRODUCTION The TBX is a bass machine that can play a bass line via a MIDI device We have tried to accurately duplicate the analogue voice circuitry of the TB303 using the same discrete components where possible We have also tried to duplicate the look where possible though high manufacturing costs have prevented us having an identical case and knobs Note the sequencer has not been re created2. We have not duplicated the sequencer this is a MIDI only device know that won t please everyone so we apologies here to those KEY FEATURES OF TBX 303 Pure analogue voice circuitry Accurate TB303 circuitry clone Physically the same size and layout Extra tone controls and circuits for more sound variety e g LFO CrossMod Rugged steel construction MIDI In for software sequencer control BASS AND THE TBX Amusical bass line involves many complex factors such as different pitches and beats and consequently it is a difficult thing to reproduce automatically It may vary depending on the rhythm chord progression style of music and the character of the musician Sometimes it can take the role of a low melody then it might outline the chords or be come a strong rhythmic influence in an ensemble But overall it is a very important part of the rhythm section following the chord progression mainly using the root and fifth note The TBX cannot memorise the tone colour it has no memories just like all the classic synthesisers of old The bass sound is changed using the TONE CONTROL SEC TION In this way the TBX can create an appropriate Bass sound for the bass line you have written HOW TO USE THIS MANUAL The switches and control knobs may have more than one use so operating the TB X may seem difficult at first because it is so different from a Bass Guitar or keyboard instrument So it is advised you read through the
3. lenghts Don t stick to 16x 16th notes in a bar Try 10 11 5 or what ever Accents and slides in unusual places Odd musical patterns Nothing to tuney Basically the original sequencer was a pig to program Not many can program exactly what they have in their head into the sequencer think in most cases the programmer s end results are by accident or flook and a pat tern is almost create accidently but the quirkiness of it makes it appealing So when you are using your computer MIDI sequencer think about the original and try to stay within the sequencing abilities of the original Do not approach programming in the same manor as you would any other sound modules And of course if you want to be truly authentic then don t use the included extra features like LFO ANALOGUE SOLUTIONS TB X V2 e amp oe c 24 10 2007 6 TONE CONTROL SECTION This section is really a small synthesiser control panel for creating sounds to suit your music First the standard TB 303 controls are included 1 CUTOFF FREQ Cutoff Frequency This knob controls the tone colour By Turning it counter clockwise it will begin to shave off the upper harmonics of the sound making the tone softer and reducing the volume 2 RESONANCE Resonance emphasises certain frequencies The effect will become stronger when this Knob is rotated clockwise 3 ENV MOD Envelope Modulation This knob controls the tone movement of a note The effect will be
4. cted devices TBX has a very high dynamic range It is capable of produce loud signals of very high and sub sonic frequencies that could blow inadequate speakers if played too loud It is recommended that input levels to external equipement mixers amp s etc is kept low when first connected and then sowly increased to a userable level Maintenance Instructions Any cleaning of the TB X case should be done with a clean lint free cloth DO NOT USE SOLVENTS OR CLEANERS as this will deteriorate the exterior appearance of the equipment Mounting Mounting does not mean place on the wall or to make love to in this instance Place TB X soundly on any stable surface so he cannot fall off or over causing it or yourself injury POWER Possible sources of US voltage mains adaptors not tested www radioshack com p n 273 1631 or 273 1690 ANALOGUE SOLUTIONS TB X V2 e amp oe c 24 10 2007 5 NO SEQUENCER This may be the wrong decision to some people But we believe as long as you stick to the rules of 303 sequence programming then you can create authentic 303 MIDI se quences believe that in a blind fold test even a purist would not tell the difference To create an authentic 303 style pattern you have to think about how you could program the original Stick within what the original was able to do These are just a few general points Usually notes were programmed as16ths Patterns using triplets are common Unusual pattern
5. f For best effect put RESONANCE and SQUELCH at maximum when using CROSS MOD 10 MIDI MOD This knob controls the amount of MIDI modulation applied to the filter cutoff This has to be balanced with the CUT OFF control for best effect The MIDI MOD source can be any controller or velocity and is set with the MIDI button 11 LFO MOD Left to Centre affects the modulation level of LFO triangle wave to the filter cut off Centre to Right affects the modulation level of LFO square wave to the filter cut off 12 LFO SPEED This knob controls the LFO modulation speed 13 VCA DECAY This knob controls the VCA envelope decay time The standard TB303 VCA decay time is fixed only the envelope mod on the cut off can be changed 14 OVERDRIVE This boosts the final signal level that goes into the VCA The first 90 or so the sig nal is about the same as for a standard TB303 Above this the last 10 boosts the level enough to over ride the VCA giving a distorted and louder sound At the last 10 of travel when overdrive occurs there will be a sharp increase in output level Note keep this control at around 90 just before the signal starts to distort when in general use to keep the signal to noise ratio at a premium ANALOGUE SOLUTIONS TB X V2 e amp oe c 24 10 2007 8 CONNECTION DETAILS MIX IN The input jack accepts other audio signals in order to connect a rhythm machine or an electric guitar the sound then goes through the f
6. ilter section NOTE You cannot use the MIX IN if power to the TB X is off Ensure that the EXT LEVEL control for the MIX IN socket on the TB X is turned up Unlike the original TB 303 the MIX IN signal goes through the filter not direct to the output amplifier This is a more practical solution for modern set ups allowing you to filter external sounds The internal VCO cannot be used at the same time as the MIX IN signal well it can but they are hard to balance HEADPHONES Use headphone to monitor the signal instead of using an amplifier if you wish NOTE Firstly we should mention that when monitoring a bass sound through headphones quite often the pitch will appear incorrect This occurs whenever a bass sound is produced so close to the eardrum To avoid this you might try altering the TONE CONTROLS oth erwise you will have to use a loud speaker AC ADAPTOR JACK Accepts a 2 1mm barrel type plug for 15VAC power 500mA ANALOGUE SOLUTIONS TB X V2 e amp oe c 24 10 2007 9 MIDI MIDI Button This button is used to change the MIDI receive channel and MIDI controller source for the MIDI MOD function Simply press and hold the MIDI button then play a MIDI key or move a controller on your MIDI keybaord The TBX will set itself to the same MIDI channel as the data received Also if a key was pressed MIDI MOD source becomes velocity If a MIDI controller was used such as Mod Wheel then the MIDI MOD source be come
7. manual first to familiarise yourself with its opporation ANALOGUE SOLUTIONS TB X V2 e amp oe c 24 10 2007 4 SAFETY INSTRUCTIONS Please read carefully before using e Only use the correct power adaptor 230V or 115V whatever your country needs with 12 15V AC output 500mA 2 1mm plug e Never handle the adaptor with wet hands e Never excessivly bend the adaptor cable or get it trapped or place heavy objects on it If the adaptor cable becomes damaged replace the adaptor e Ensure the unit is disconnected from the mains before moving or cleaning e Always disconnect the unit from the mains if there is lightning in your area e Ensure the unit is on a stable surface and never place heavy objects on top of it e Never allow young children or animals to operate the unit or adaptor Do not use excessive force when using the controls or inserting cables to the con nectors e The unit should not be operated in the rain or near water and should not be exposed to moisture If the unit is brought from a cold environment to a warm one the unit should be left to reach the ambient temperature e Keep TB X away from heat sources such as radiators ovens heaters etc e Never allow TB X to get wet Do not operate it near water like pools sinks bath rooms etc Do not place beverages on or near it e Never open the case or attempt to make repairs Refer any servicing to a qualified service personnel Preventing damage to other conne
8. rties CE Compliance This unit complies with Complies with EU Directives 73 23 EEC and 89 336 EEC Standards EN55103 1 EN55103 2 EN60065 ANALOGUE SOLUTIONS TB X V2 e amp oe c 24 10 2007 11 TB X user manual c 2007 Analogue Solutions web www analoguesolutions com web www analoguesolutions co uk email semblance Qanaloguesolutions com tel fax 44 0 1384 35 36 94 post 56 kingsley road kingswinford dy6 9rx uk ANALOGUE SOLUTIONS TB X V2 e amp oe c 24 10 2007 12
9. s that controller Range The TBX has an approximately 4 5 octave range Playing outside its range results in the same note being played Accent To activate Accent you must play a MIDI note with a velocity value over 80 Slide To activate Slide you must overlap your notes l e play legate MIDI Mod You can control the filter cut off level using a MIDI controller or Velocity The MIDI Mod control must be turned up to hear an effect The best controller to use is Mod Wheel The controller used is set when programming the MIDI channel ANALOGUE SOLUTIONS TB X V2 e amp oe c 24 10 2007 10 Specification subject to change without notice Warranty TB X comes with a 1 year from purchase date back to base warranty i e customer must arrange and pay for carriage to and from Analogue Solutions or the dealer from which purchased This warranty shall not apply where the product has been subject to alteration misuse accident neglect such as extremes of temperature and or moistur or to wear resulting from normal use We will normally carry out most the labour or repairs free of charge for an extended period of an additional 4 years from purchase date but this may not included cost of any damaged parts which will be charged for 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 pa
10. stronger when the knob is turned clockwise 4 DECAY This knob controls the time a note takes to fade Both the volume and the tone will take a longer time to fade if the knob is turned clockwise 5 ACCENT This knob controls the accent of the Bass Pattern The effect will be stronger when the knob is turned clockwise 6 WAVEFORM The TB X has two waveforms and you can select either one of the The tone colour will be changed by the WAVEFORM switch even if theother dials in the TONE CONTROL SECTION are in the same position Now the extra controls and their function Note if they are left in their zero neutral po sitions they have no effect over the TB X s voice curcuitry This might be neccessary when you wish to accurately re create the original TB X sound as on the original machine ANALOGUE SOLUTIONS TB X V2 e amp oe c 24 10 2007 7 6 SQUELCH This knob extends the range of resonance for full self oscillation and squelchyness Note the RESONANCE control must be up ideally at maximum to hear any affect 7 EXT LEVEL This controls the audio level of the signal coming in to the MIX jack This signal is fed through the filter Note that it is a little difficult to balance the mix between the external signal and the internal VCO 8 VCO LEVEL This knob controls the level of the internal VCO fed into the filter 9 CROSS MOD This knob controls the amount of VCO signal that is used to modulate the filter cut of
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