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Anleitung Zusammenfassung
.69 {2} APPLIED METHOD OF THE TB-303 ............................ .....................73 TROUBLE SHOOTING ..................................................................81 SOUND RANGE TABLE .................................................................. .88 SPECIFICATIONS .........................................................................89 IMPORTANT NOTES LOCATION: © Operating the TB-303 near a neon or fluorescent lamp may cause noise interference. If so, change the angle of the TB-303. © Avoid using the TB-303 in excessive heat or humidity or where it may be affected by direct sunlight or dust. POWER SUPPLY: © When using an AC adaptor, use only a BOSS ACA100 or ACA220, 240 depending on your country’s voltage system. CLEANING: ® Use a soft cloth and clean only with a neutral detergent. DO NOT USE SOLVENTS SUCH AS PAINT THINNER. BATTERY REPLACEMENT AND PRECAUTIONS: © Replace the batteries with a complete set of new batteries when the BATTERY CHECK indicator flashes, signalling a drop in voltage, or if the sound becomes inferior. © Replace with four 1.5v dry cell batteries (UM-2). © The TB-303 features a non-volatile memory, which will retain patterns when switched OFF. It relies on its batteries for a backup circuit to protect these memories. © If the batteries are changed within one minute, the memory will hold the DATA. © Be sure to keep the batteries in the housing, even when using an AC adaptor. Then, if the AC adaptor is disconnected, operation immediately changes to battery, allowing continued performance. TB-303 INTRODUCTION The TB-303 is an automatic Bass machine which can memorize the Bass line of a musical piece and replay it automatically. EBASS AND THE TB-303 A musical bass Nine 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 13THE BASIC IDEA BEHIND THE TB-303 In order to memorize a Bass line, divide it into each measure (pattern) and memorize one pattern at a time. Each “pattern” can remember various musical factors, such as ‘pitch’, ‘length of not’ and ‘accent’, individually. After memorizing several patterns, these patterns may be joined in order to produce the Bass line of a musical piece. (Fig. 1 ) The following is a description only of the operation of the TB-303. For precise instructions refer to the Basic Course. become 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. (As shown below) Before you enter the Basic Course, it is necessary to under-stnd the idea behind the TB-303 A. PITCH 1. HOW TO MEMORIZE PITCH Press the key switches on the panel, in order, for one pattern. 2. KEY SWITCHES AND RANGE The key switches have only one octave on the panel, but actually you can play four octaves by using the transpose switches. Then by using these additional switches, the TB-303 can easily cover the essential range of an electric or acoustic bass. B. THE LENGTH OF NOTE m HOW TO MEMORIZE THE LENGTH OF THE NOTES By pressing the correct combination of the switches labelled ^and , the rhythm for one pattern can be memorized. The use of sixteenth notes (J*) as the basic writing tool allows highly technical bass lines to be written into memory, while slower timings can be achieved by using combinations of this basic unit (e.g.j =fffl ). C. ACCENT After memorizing the pitch and length of note (rhythm), particular features of BAss instruments, like accent or portamento (slide), can be written into memory where needed. h HOW TO MEMORIZE ACCENT OR PORTAMENTO Whilst calling back the memorized pattern, place the accent or slide against the required note by using the switches. One complete Bass PATTERN has now been written into memory. D. COMPLETING THE BASS LINE After memorizing several patterns, complete the Bass line for a piece of music by combining these patterns. ■ HOW TO MEMORIZE THE BASS LINE To memorize the Bass line, simply select each measure, in turn, and write them into the memory. One pattern can be chosen several times, and can also be transposed into any other key. Consequently, if the Bass line is simply a repetition of one pattern, or only a transposition of that pattern, then you only need to write one pattern into memory (Fig. 2). One complete Bass Line has now been written into memory. E. CREATING A SOUND The TB-303 cannot memorize the tone colour, but can make a Bass sound, just like a synthesizer, by using the TONE CONTROL SECTION. In this way, the TB-303 can create an appropriate Bass sound for the Bass line you have written, F. HOW TO USE THIS MANUAL The switches and control knobs have several functions, so operating the...