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manual abstract
•Synthesizer ON/OFF for each string. STANDARD CONNECTIONS MIXED OUTPUT............... GUITAR SYNTHESIZER OUTPUT BASIC SETTING........... PRODUCING SOUND......... VCF........................ ENVELOPE GENERATOR..... VCO VIBRATO............... PITCH SHIFT................ STRING SELECTOR.......... USING ATTACHMENTS....... SAMPLE SOUNDS............. SAMPLE NOTES.............. SPECIFICATIONS............. V_ 2 Before Starting...... •Use a transformer to produce the correct line voltage if the line voltage in your area does not match the value specified on the nameplate. »Keep away from fluorescent lamps, neon lights, and high-power transformers as these will induce high noise levels in the Guitar Synthesizer. •Avoid the use of this instrument in places that are dusty, of high temperature or high humidity. •Clean the control panel with neutral detergent. Use a soft, dry cloth for the wooden parts. Do not use solvents such as paint thinner. •The GR-33B Bass Guitar Synthesizer has been designed to work with the G-33 or G-88 Bass Guitar and will not work with the GR-500 and GR-300. •The length of the sound may be shorter than normal, or the synthesized sound may be one octave higher than normal with certain styles of picking and stopping the strings. STANDARD CONNECTIONS GUITAR CONNECTIONS CONNECTOR LOCK Connect the G-33 or G-S8 as shown in the drawing using the chrome guitar connector. The connector is keyed and must be inserted correctly (lock lever up) for a proper fit. (The NORMAL OUTPUT jack on the Bass Guitar is not connected to the Bass Guitar Synthesizer.) MIXED OUTPUT USING ONE AMPLIFIER GUITAR OUTPUT USING TWO AMPLIFIERS BASS AMP Note: The GR-33B out-' puts are set at guitar evel for use with guitar amplifiers. When using the AUX IN of a hi-fi type amplifier, a preamp may be necessary in order to bring the sound level up to the desired listening level. BASS I guitar! SOUND I |baVs“gu !TA fTa~mp' * 1 FOR BASS GUITAR * SOUND. SYNTH SOUND BASS GUITAR AMP FOR SYNTH SOUND HI-FI AMP When there is no connection to the BASS GUITAR OUTPUT jack on the rear panel of the Bass Guitar Synthesizer, the output at the MIX/SYNTH jack consists of an equal mixture of the guitar and synthesizer sounds. (AUX) When both output jacks are used, the outputs are separated with the bass guitar sound at the OUTPUT jack and the synthesizer sound at the MIX/SYNTH jack. These separate outputs can be passed through separate effects devices and amplifiers for stereo sound. STANDARDSETTING G-33/88 GR-33B BTRHMC3 SELECT 1 t o o o o Dass Guitar Synthesizer QU fVI.TUrVE A*- Ä MAX MAX UNLATCH j EQ3I LATCH AO VCO SCOW FAST M*M MAX RATE DELAY PITCH-► El -#* MAX MAX UNLATCH | ¡¡¡]| LATCH VCF IglAt-aaaBi j I e r-i»cfl9î FILTER MODE WWW* MAM ENV MOO EIMV A tVttlM* MAX ATTACK MIW MAX DECAY GEN B Mirf Wx ATTACK MIM MAX □ECAV Roland GR-33B O O O 0 0 1 , -.....J A--PITCH-►B VCF MOO --ENVA/B-> VCA MOD © © © 1 i © 4 PRODUCING SOUND Set the controls as shown on the left. Set the external amplifier volume at the minimum level and turn on all the power switches. Turn up the volume control; playing the bass guitar should produce the bass guitar sound. If needed, tune the Bass Guitar in exactly the same way as an ordinary electric bass is turned. To produce the synthesizer sound, The sound produced now is the unprocessed sound from the synthesizer VCO's (voltage controlled oscillators). The VOICE SELECT switch at the DUET position, adds the fundamental pitches of the bass guitar strings to the VCO sounds to produce a chorus effect. It is necessary to tune the VCO's using the MASTER TUNNING, controls so that they match the pitches of the strings. For accurate tuning use at least ten minutes for a warm-up period after first turn on the power switch. Turn the BALANCE control, counterclockwise to increase the normal bass guitar sound. Setting the BALANCE CONTROL, at "0”, will produce the normal bass guitar sound only. USING THE VCF Let's try the VCF (voltage controlled filter) section next. Set the BALANCE control at “10”. Try slowly lowering the Bass Guitar CUTOFF FREQ control to “0”. Note that the sound becomes softer with fewer harmonics. The purpose of the VCF is to control the tone color of the synthesizer sound. Next, raise the Bass Guitar RESONANCE control a little at a time while trying different positions of the CUTOFF FREQ control. This produces an electronic type of sound usually associated with synthesizers. The two controls, CUTOFF FREQ and RESONANCE combine to control the tone color of the sound passing through the VCF. *VCF Filter Mode This switch changes the roll-off characteristics of the VCF, either -12dB/OCT or -24dB/OCT, and controls the envelope modulation of the VCF. 1. I CUTOFF F**sa DUET VCO •+ IVl.TUfME TUNES VCO’S 9.10 ■\ CUTOFF FREQ RESONANCE If a foot volume pedal (Roland FV-20; sold separately) is connected to the VCF PEDAL jack on the rear panel the VC...