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Фрагмент инструкции
The BXH-220 packs solid performance into a compact head unit, contained in a rugged Tolex® covered cabinet. Its side-mounted handle and heavy-duty rubber feet on two sides (not just the bottom, but also on the end you set it down on in real life) increase its value to those musicians who are always “on the go.” The amplifier will deliver 220 watts into 4 ohms, or 150 watts into 8 ohms. A listing of the features of the amp is given below. Features: Additional information can be found on the pages indicated. • Solid state circuitry for reliable service and incredible tones. • Crate’s APM (Automatic Power Maximizer) limiter circuit for the most output without distortion. • Variable input gain control with -15dB pad switch and 3 input icon LEDs for the best match between your bass and the amplifier (page 4). • Switchable contour control (page 4). • 8-band graphic equalizer for optimum tone control (page 4). • Balanced line out with adjustable level control and “pre/post” switch (pages 4 and 5). • Headphone jack with adjustable level control for private practice sessions (page 4). • Effects loop for noiseless use of your favorite processors and effects (page 5). • Musician made in the U.S.A. • Crate’s exclusive 5-year warranty (U.S. only - see your dealer in other areas for warranty information) 1. INPUT: Connect your bass to the amplifier here. 2. GAIN: Use this control to properly match the output of your bass to the amplifier. With the amp’s Master level control at “0”, begin playing your bass as you normally would. Watch the adjacent LEDs (#4) as you turn up the Gain control: the proper setting for the Gain control is the one where the “OK” LED lights most often while playing. If the “Decrease Gain” LED stays lit even with the Gain control turned down low, press in the -15dB button (#3) and continue adjusting the Gain control until the proper setting is obtained. 3. -15dB: If your bass has active electronics or “hot” pickups, its output signal may need to be padded to get the best signal to noise setting from the Gain control. If the “Decrease Gain” LED stays lit with the Gain control turned down low, press in the -15dB button. 4. LEDs: These three LEDs are your guide to properly setting the Gain control. Follow the steps given for the Gain control (#2) until the “OK” LED lights most often while you play. 5. CONTOUR: This control allows you to make additional changes to your tone and is active only when the Contour On/Off switch (#6) is pressed in. As the “wave” icons indicate you can enhance both the lows and highs at the same time, or add mid punch. 6. CONTOUR ON/OFF: Use this switch to engage the contour circuitry. With the switch pressed in, the Contour control (#5) is active. 7. EQUALIZATION: This eight-band graphic equalizer allows you to custom tailor your tone. Each slider controls the frequency indicated directly below it and offers a cut or boost of 10dB at various frequencies from 40Hz to 16kHz 8. MASTER LEVEL: Use this control to set the output level of the amplifier. This controls the signal level at the Speaker Output jacks (#19), as well as the Preamp Out jack (#17). 9. LIMIT: The amplifier employs Crate’s APM Automatic Power Maximizer protection circuitry to keep the output distortion-free even at high volume levels. Whenever the output nears its clipping point, the limit circuit kicks in to keep the output clean. The Limit LED lights up when the APM limiter circuit is activated. Occasional flashing of the LED is normal. Very frequent flashing or constant illumination indicates the output level is too high; reduce the Master level control and/or your instrument’s output until the LED flashes less. 10. LINE OUT LEVEL: This controls the level of the signal at the Balanced Line Out jack (#20). You may also use this output (or the headphone jack, #14) to run a signal to a tuner. 11. POST/PRE : This switch selects the tap point for the signal at the Balanced Line Out jack. With the switch out, the signal is tapped before the eq, contour and effects loop (“pre”). With the switch pressed in, the signal is tapped after the eq, contour and effects loop (“post”). 12. EFFECTS BLEND: This control proportions the amount of effect added to the signal going to the power amp stage. At the “0” position the signal is “dry” (no effect added); as you bring the control towards “10” the amount of effect applied increases. (“5” is a 50/50 blend of dry signal and effects.) 13. HEADPHONES LEVEL: This control adjusts the signal level at the Headphones jack (#14). 14. HEADPHONES: Plug a pair of stereo headphones in here for private listening. The signal at this jack is post Gain and post EQ. The level of the signal here is determined by the setting of the Headphones Level control (#13). Using headphones does not disable the speaker outputs. You may also use this output (or the line out jack, #20) to run a signal to a tuner. 15. POWER: This two-position switch turns the amp on and off, “on” being the UP position. The sw...