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Manual de usuario Yorkville Sound, modelo BASS MASTER 400

Fabricar: Yorkville Sound
Tamaño del archivo: 652.29 kb
Nombre del archivo: ombm400.pdf
Idioma del manual:enfr
Enlace gratuito para este manual disponible en la parte inferior de la página



Resumen del manual


It also features a passively cooled high efficiency amplifier. This two rack–space amplifier can be mounted in a standard 19" rack. We believe you will find your YORKVILLE BASS MASTER 400 to be dependable and versatile for years to come. Volume / Gain Use the 0dB INPUT for passive bass guitars, the -6dB INPUT for bass guitars with active electronics. To obtain the maximum signal to noise ratio, follow the procedure described below: i. Set the amplifier VOLUME control to 2. ii. Set your bass guitar controls to FULL. iii. Set the amplifier GAIN control to 5, then play the bass guitar as hard as you would expect to. (If pre-amplifier distortion is heard, the GAIN should be reduced until it disappears. If distortion is not heard, turn up the GAIN control until it occurs, then reduce the GAIN until it disappears). iv. Set the VOLUME control for the level of sound desired. Use the VOLUME control for additional sound level changes. Graphic EQ The ten graphic equalizer controls are optimized for bass guitar signals. The center detente on the EQ sliders allow rapid resetting to a flat response. Do Not boost at 40Hz unless your speakers can handle the low frequencies. Most speaker systems are not designed to handle a lot of low frequency signals and damage may result. To obtain the best results from the equalizer, keep the EQ sliders balanced around 0 and away from the extremes. The EQ switch enables the equalizer (the green LED lights when the equalizer is active). The EQ LEVEL controls the overall level of the equalized signal. This control is used to balance the equalized and flat sound levels. Moving the slider up (+) increases the equalized sound level, moving the slider down (–) decreases the equalized sound level. The EQ LEVEL control can be used as a “solo” or an . There are a few examples of GRAPHIC EQ settings at the end of the manual. Limiter The LIMITER prevents audible power-amplifier clipping. Just before clipping occurs the signal is reduced to prevent audible clipping. The LIMITER allows clear playing at higher output levels. Contour The CONTOUR control produces an unique sound alternative. The CONTOUR attenuates the midrange and boosts a band of high frequencies. The yellow front panel LED lights when the CONTOUR is active. The CONTOUR control may be used in conjunction with the GRAPHIC EQ control (in this case the GAIN control may need readjustment). Line Out The LINE OUT phone plugs are balancedwith the Tip in phase (0°), the Ring out of phase (180°), and the Sleeve is ground (GND). A standard two conductor phone plug can be used if desired (however, the other LINE OUT will be unbalanced. The LINE OUT signal is post-effects and it’s level is not changed by the VOLUME control. Footswitch The CONTOUR and GRAPHIC EQ can be activated remotely via a footswitch. When a footswitch is connected, the front panel switches are deactivated. When the YORKVILLE BASS MASTER 400 is used with a YORKVILLE dual-footswitch, (LEDs in parallel with switches,) the red LED (yellow front panel LED) lights when the CONTOUR is on, the green LED lights when the GRAPHIC EQ is on. additional channel Volume control. EFX Send / Return loop. The phone plug ring is EFX SEND and the tip is EFX RTN, the sleeve is ground. FRONT The signal at the EFX SEND jack is used to feed an external effects device. The EFX RTN jack, when used, disconnects the original signal going to the power amplifier as well as the Line Output, the signal is replaced with the signal from the EFX RTN jack. Together, both jacks form the effects loop. The effects loop Level is 1Vrms. REAR PANEL The rear panel effects-loop is post front panel effects Power The red LED above the power switch will light when the BASS MASTER 400 is ON. Output Jacks Two parallel power amplifier output jacks are located on the back panel. The minimum impedance of the external speaker load is 4 Ohms. The power amplifier is electronically and thermally protected against unsafe loads. If the thermal protection activates, reset will occur when the heatsink has slightly cooled. Specifications Input 0dB Effects ReturnDC Offset Hum and Noise Power > 725W, 4 Ohm load 1kHz, 2 cycle burst 750W typical > 400W, 4 Ohm load 1kHz, continuous at 5%THD 440W typical >300W, 8 Ohm load 1kHz, continuous at 5%THD 315W typical * Measurements made with regulated 120V supply. Sensitivity < 25mVrms < 1Vrms 750mVrms typical < 60mV 15mV typical > -90dB below max output voltage, unweighted -94dB typical * Measurements made with GAIN and VOLUME at 5, CONTOUR and EQ off. GRAPHIC EQUALIZER SETTINGS Use the following EQ settings as a general guide. Adjust the controls to suit your bass guitar and tonal preference. • Use the 40Hz, 80Hz sliders for Bottom-End. • Use the 1.3kHz slider for Attack. • Use the 2.5kHz slider for String & Fret Noise. • Use the 10kHz slider for Hiss. Reggae Bright Rock R&B / Funk Latin Fusion / Jazz Country / Blues BASS MASTER 400 Concu pour le bassiste professionel, le YORKVILLE BASS MASTER 400...


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