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manual abstract
Louis, MO 63146, USA Production Facility: 700 Hwy 202 W, Yellville, AR 72687, USA Shipping Facility: 1400 Ferguson Ave., St. Louis, MO 63133, USA Office Facility: 1400 Ferguson Ave., St. Louis, MO 63133, USA Product Type: Audio Amplifier Complies with Standards: LVD: 92/31/EEC, 93/68/EEC, & 73/23/EWG Safety: EN60065 EMC: EN55013, EN55020, EN55022, EN61000-3-2, & EN61000-3-3 Supplementary information provided by your local Sales & Services Office or: SLM Electronics - R & D Engineering 1901 Congressional Drive, St Louis, MO 63146, USA Tel.: 314-569-0141, Fax: 314-569-0175 BASS AMPLIFIER BASS AMPLIFIER The Front Panel: 1. INPUT: Use this 1/4” jack to connect your bass to the amplifier by means of a shielded instrument cable. 2. GAIN: Use this control to adjust the amount of distortion for the Distortion/A channel. As you rotate the control clockwise the amount of distortion increases. 3. SHAPE: Use this control to adjust the tone of the Distortion/A channel, from a studio “V”-shaped tone to a more “live,” more present sound. 4. LEVEL: Use this control to adjust the output level of the Distortion/A channel. 5. CHANNEL SWITCH: Use this switch to select either channel. With the switch in the out position, the Clean/B channel is selected. When the switch is depressed, the Distortion/A channel is selected. The adjacent LED illuminates when the Distortion/A channel is selected. NOTE: When using the footswitch (#18): when this switch is depressed, the footswitch switches between the Distortion/A channel and the Clean/B channel; when this button is in the out position, the Clean/B channel is always active, and the footswitch turns the Distortion/A channel on and off, allowing you a blend of both channels. 6. LEVEL: Use this control to adjust the output level of the Clean/B channel, and as part of the Octave level control (see #11). NOTE: The BX25DLX/BX50DLX employs an internal noise gate to keep residual noise to a minimum. Regardless of which channel is selected, the Clean/B channel’s Level control (#6) must be turned up above “0” in order for the noise gate to trigger. 7. LOW: Use this control to adjust the low frequency level of the Clean/B channel. 8. LOW MID: Use this control to adjust the lower-midrange frequency output of the Clean/B channel. 9. HIGH MID: Use this control to adjust the upper-midrange frequency output of the Clean/B channel. 10. HIGH: Use this control to adjust the high frequency output of the Clean/B channel. 11. OCTAVE: The BX25DLX/BX50DLX features internal circuitry which creates a second signal which is one octave lower than the input signal. Use this control in conjunction with the Clean/B channel’s Level control (#6) to adjust the level of the octave signal. 12. MASTER: Use this control to adjust the overall output level of the amplifier. BASS AMPLIFIER BASS AMPLIFIER 13. CD INPUT: Use these RCA jacks to connect the line level (or headphones) output of a CD player, tape deck or rhythm machine to the amplifier. The signal level from these jacks is adjusted by the Master control (#12). If the signal from the source connected to these jacks is too strong, use the output level control on the source to adjust the signal to obtain the proper level for a good mix. 14. HEADPHONES: Use this jack to listen to the amplifier through a pair of stereo headphones. The internal speaker is disconnected when the headphones jack is used. CAUTION: To avoid possible damage to your hearing, do not use headphones for extended periods of time at extremely loud listening levels. 15. POWER: Use this switch to turn the amplifier on and off. The adjacent LED illuminates when the amplifier is turned on. 16. ELECTRONIC TUNER (top panel): This active electronic tuner is on whenever the amplifier is turned on, allowing you constant, “real-time” tuning. The tuner is fully chromatic – use the flat and sharp indicators until the LED between them illuminates, indicating proper tuning. 17. AC LINE CORD (rear panel, not shown): The grounded power cord should only be plugged into a grounded power outlet that meets all applicable electrical codes and is compatible with the voltage, power, and frequency requirements stated on the rear panel. Do not attempt to defeat the safety ground connection. 18. FOOTSWITCH (rear panel, not shown): Connect a two-button footswitch (such as the Crate CFP-2) here for remote control of the channel selection/“blend” (see #5”) and octave on/off. (When the Channel Switch [#5] is depressed, the footswitch switches between the Clean/B channel and the Distortion/A channel; when the switch is in the out position, the Clean/B channel is always active, and the footswitch turns the Distortion/A channel on and off, allowing you a blend of both channels.) 19. EXTERNAL SPEAKER (rear panel, not shown): Use this jack to connect the amplifier to an external speaker cabinet (BX25DLX = 4. minimum, BX50DLX = 8. minimum). The internal speaker is disconnected when the external speaker jack is used. BASS AMPLIFIER 6 S...