Instruction/ maintenance manual of the product 400 Hughes & Kettner
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BEDIENUNGSANLEITUNG l!l . 400 WATTS BASSAMPLlFlER MANUAL BASS TECHNOLOGY.
BASSBASE 40 0 - MANUAL 1 .O CONNECTIONS AND CONTROL FEATURES SIGNAL LED: Indicates the presence of an instrument signal at the tube stage. -10 db SWITCH : Lowers the BASSBASE'S input impedance (e.
BASSBASE 400 - MANUAL Red VARIMETRIC LED: Illuminates to indicate the VARIMETRIC EQ is active. FX LOOP ON : Press this button to activate the E parallel FX loop BASSBASE 400’s DYNACLIP LED: Illuminates when the DYNACLI P power amp circuit is active .
BASSBASE 40 0 - MANUAL REAR PANEL: FOOTSWITCH VARIMETRIC: Connect a standard single-channel footswitch to this jack. If you use a HUGHES & KETTNER FS-1, its LED will illuminate when you activate the VARIMETRIC EQ. I TUNER OUT: Output jack for an external tuning device.
BASSBASE 40 0 - MANUAL 2.0 STANDARD SETUP / CABLE CONNECTIONS TUNER EXTERNAL POWER AMP FOOTSWITCH For safety purposes, the BASSBASE 400’s power amp is exclusively equipped wit h Speaker and female XLR jacks. In some cases, you may need to employ an adapter cable.
BASSBASE 40 0 - MANUAL 3.2 THE VARIMETRI C E Q Why call i f "VARIMETRIC" rather than “PARAMETRIC?” The BASSBASE 400 VARIMETRIC EQ and FX LOOP can be switched via the buttons on the front panel or remotely via optional footswitches.
BASSBASE 40 0 - MANUAL 3.3 THE NOTCH FILTER Undesirable frequencies such as those caused by resonant object in the room or floor boards in the stage can be suppressed via the NOTCH FILTER. The NOTCH FILTER operates in extremely narrow bandwidths to avoid altering the overall sound.
BASSBASE 40 0 - MANUAL 4.0 SERVICE AND PREVENTIVE MAINTENANCE The BASSBASE 400 will not require service of any type for many years. Tube fatigue is normal after several thousand operating hours and becomes apparent through treble loss or increased microphonics (audible as a ringing noise reproduced by the tweeter).
BASSBASE 40 0 - MANUAL 6.0 TECHNICAL DATA TUBEPREAMP TUBE TYPE: PREAMP SECTION BASS, FREQUENCY: TREBLE, FREQUENCY: VARIMETRIC EQ LO MID, CENTER FREQUENCY: HI MID, CENTER FREQUENCY: NOTCHFILTER CENTER .
An important point after buying a device Hughes & Kettner 400 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Hughes & Kettner 400 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Hughes & Kettner 400 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Hughes & Kettner 400 you will learn all the available features of the product, as well as information on its operation. The information that you get Hughes & Kettner 400 will certainly help you make a decision on the purchase.
If you already are a holder of Hughes & Kettner 400, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Hughes & Kettner 400.
However, one of the most important roles played by the user manual is to help in solving problems with Hughes & Kettner 400. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Hughes & Kettner 400 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
