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Фрагмент инструкции
With it, you have in your hands an extremely effective -nand reliable-tool for studio mixing applications. Highlighting its many features is versatility. Yamaha has designed the RM 1608 for use with either 8 or 16-channel multitrack tape recorders, and a wide range of outboard sound enhancement equipment, such as echo units or delay machines, may be easily connected with no special wiring modifications needed. In the practical world of studio operations, this Yamaha mixer displays its real utility. Precisely-calibrated fader controls feature a long 100 mm stroke and are designed so that Master takes priority over the Inputs, allowing you to retain individual microphone, etc., positions and still have full control over the output volume. Metering system features LEDs to warn against over-level clipping. All channels are equipped with Insert IN/OUT and Direct out, plus an independent 2-channel system for special effects. To enable rapid communication between the performers and the control room, full attention has also been given to the design of the Talk Back module and Send controls. Unrivalled technological know-how in studio system design, the product of decades of specialization in audio engineering, has made it possible for Yamaha to offer creative sound engineers the finest recording mixers available today. In order to make the most of the RM 1608’s multitude of features, Yamaha recommends that you thoroughly cover the contents of this manual before commencing operation. CONTENTS SPECIFICATIONS, INPUT/OUTPUT SPECIFICATIONS................................................2 CONTROL PANEL OPERATION INPUT MODULE................................................3 TALK BACK MODULE........................................5 MASTER MODULE............................................7 SUBMODULE....................................................9 VU METER/PATCH BAY....................................10 REAR PANEL......................................................11 BLOCK DIAGRAM ..............................................13 LEVEL DIAGRAM................................................14 DIMENSIONS.................................15 1 SPECIFICATIONS, INPUT/OUTPUT SPECIFICATIONS ■ RM1608 TOTAL HARMONIC DISTORTION (T.H.D.) Less than 0.1% at +4dB *'output, 20Hz to 20kHz (all Faders and controls at nominal) HUM & NOISE (20Hz to 20kHz) Rs=150 ohms INPUT GAIN "-60" — 128dB Equivalent Input Noise (E.I.N.) —95dB residual output noise: all Faders down. —80dB (84dB S/N) PGM Master volume control at maximum and all CH PGM assign switches off. —64dB (68dB S/N) PGM Master volume control at maximum and one CH Fader at nominal level. —73dB (77dB S/N) STEREO Master Fader at maximum and all CH STEREO level controls at minimum level. —64dB (68dB S/N) STEREO Master Fader at maximum and one CH STEREO level control at nominal level. —80dB (70dB S/N) ECHO SEND volume at maximum and all CH ECHO volumes at minimum level. —75dB (65dB S/N) ECHO SEND volume at maximum and one CH ECHO volume at nominal level. CROSSTALK —70dB at 1kHz: adjacent Input. —70dB at 1kHz: Input to Output. MAXIMUM VOLTAGE GAIN (INPUT GAIN "-60") PGM 74dB: MIC IN to PGM OUT. 24dB: TAPE IN to PGM OUT. 34dB: ECHO RETURN to PGM OUT. 14dB: PGM SUB IN to PGM OUT. STEREO 74dB: MIC IN to STEREO OUT. 24dB: TAPE INto STEREO OUT. 34dB: ECHO RETURN to STEREO OUT. ECHO 70dB: MIC IN to ECHOSEND. C/R 74dB: MIC IN to C/R OUT. 24dB: 2 TRK IN to C/R OUT. STUDIO 74dB: MIC IN to STUDIO OUT. 24dB: 2 TRK INto STUDIO OUT. CHANNEL EQUALIZATION ±15dB maximum HIGH: FROM 2k to 20kHz PEAKING. MID: FROM 0.35k to 5kHz PEAKING LOW: FROM 50 to 700Hz PEAKING. HIGH PASS FILTER — 12dB/octave cut off below 80Hz. TALKBACK Microphone, preamp, level control, and push-to-talk switch, to PGM busses, STEREO busses, ECHO busses. OSCILLATOR Switchable sine wave 100Hz, 1kHz, 10kHz VU METERS 12 illuminated meters, PGM 1 ~ 8, STEREO L,R (OVUp +4dB) ECHO 1, 2 (OVU=—10dB) PEAK INDICATORS LED (red) built Into each Channel Input turns ON when the pre-Fader level reaches 3dB below clipping. LED (red) built Into each VU meter turns ON when post-Master Fader level reaches 6dB below clipping. PHANTOM POWER 48V DC is applied to XLR type connector's 2 pin and 3 pin for powering condenser microphone. DIMENSIONS (WxHxD) 953 mm x 279.6 mm x 769 mm (37-1/2" x 11" x 30-1/4") WEIGHT 41 kg (90.2 lbs) ■ POWER SUPPLY PW1600 POWER REQUIREMENTS U.S. & Canadian Models: 120V, 60Hz General Model: 110-120/220-240V, 50/60Hz POWER CONSUMPTION U.S. & Canadian Models: 120W General Model: 120W DIMENSIONS (WxHxD) 480 mm x 140 mm x 300 mm (18-7/8" x 5-1/2" x 11-3/4") WEIGHT 8 kg (17.6 lbs) * Hum and Noise are measured with a —6dB/octave filter at 12.47kHz; equivalent to a 20kHz fitter with infinite dB/octave attenuation. ' * OdB is referenced to 0.775V RMS. • Sensitivity is the lowest level that will produce an output of — WdB 1245m V), or the nominal output level ...