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Hughes & Kettner 250BASS manual

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Table of contents for the manual

  • Page 1

    .: . : BASSBASE 250 BASS AMPLIFIE R / COMBO AMPLIFIER Hughes & Kettner Musical Instrument s GmbH Magdeburgerstr.6 669 0 St.Wendel Telefo n ( 0 6 8 51 ) 2 0 21 Telefa x ( 0 6 8 51 ) 4 8 86[...]

  • Page 2

    Congratulations on your choice, the Hughes & Kettner BassBase 250! The BassBase 250 wa s designed by a group of musicians and technicians to meet the needs of the professional bass player. Superb tonal characteristics and sophisticated features define th e Bassbase 250 as a professional bass amplification system. Both the compact, easily transp[...]

  • Page 3

    Specially develope d 10” speakers in the combo version. Two speakers developed specifically for th e Bassbase 25 0 ensure a powerful, percussive reproduction of the amp’s output, replete with precise transient response. Additional tweeter for upper frequency response. An additional tweeter provides transparent highs and accurate harmonic reprod[...]

  • Page 4

    3 FRONT PANEL CONTROL FEATURES (1) INPUTS: The Bassbase has two input jack s with different input sensitivities to accommodate basses with passive as well as active electronics. LO INPUT is designed for active basses with active pickups. HI INPUT has a higher sensitivity rating for the more traditional passive pickups. (2) TUNER: Directly above the[...]

  • Page 5

    TUNER MUTE @ & GAIN BASS FREQ-MIDiLEVEL TREBLE FX - MIX MASTER B /;,_ LO - * I HI 00 El3 Q@ Q Mi BASSBASE 250 (1) (2) (3) (4) (5) (6) (7) (8) (9) (10)(11/13/14)(12) (15) (16) THE BASSBASE 250'S TONE CONTROLS The BASSBASE's tone controls are designed to produce dramatic changes in the tonal spectrum by using only the essential control [...]

  • Page 6

    (8) TREBLE: The TREBLE pot adjusts the high frequency through a wide band and determines the amount of bite and harmonics. The center frequency is app. 8khz. (9) FX-MIX: The Bassbase 25 0 is equipped with an effects loop switched in parallel for external effects devices. Conventional effect s loops, switched in series, send the entire signal throug[...]

  • Page 7

    (14) GROUND: Depress the GROUND (LIFT) switch to sever the ground between BAL.PA OUT and the PA board. Choose the position tha t has the least amoun t of audible noise. (15) PHONES: Headphone jack. Connect headphones here for silent practice sessions. if the PHONES jack is used, the speaker in the combo version is automatically dis- engaged. (16) M[...]

  • Page 8

    The BASSBASE's power output is 180W at 8 ohms , 250W at 4 ohms.The DYNACLIP circuitry increases the effective power output by about 25%. D o not connect any speaker combination with an overall impedance of less than 4 ohms. COOLING DEVICE: Please note that the cooling device heats up considerably, especially after extended sessions at peak pow[...]

  • Page 9

    n Now turn the FX LOOP back on via the footswitch. n The second master volume is regulated with the FX MIX pot on the front panel. n You ca n now switch back and forth between two seperate master volumes. CARE OF YOUR AMP AND WARRANT Y CONDITIONS A WORD ABOUT VALVES n Valves need to reach a certain operating temperature. They need a few seconds aft[...]

  • Page 10

    BASSBASE 250 SIGNAL ROUTING I J’ FOOTSWITCH M FOOTSWlTCH (FX ON/OFF) w EXTERNAL SPEAKER CAB. 0 0 (01 0 II; 0 0 TUNER -w TUNER INPUT PHONES M PHONES FX-SEND -b FX-INPUT FX-RETURN a- FX-OUTPUT SPEARER LINE OUT BALANCED PA-OUT -w EXTERNAL POWER AMP & CASINETD SlGNAL FOR PA APPLKATIONS n 0 0 0 SIGNAL FOR RECORDING / STUDlO APPLKATIONS[...]

  • Page 11

    BASSBASE 250 SOUND EXAMPLES BASSBASE 250 The above examples are just that, examples. Your sound is ultimatly dependant on the type of instrument and the playing style you use. Nevertheless, these settings will give you a general impression of the Hughes & Kettner Bassbase 250's sound spectrum. MODERN “BASIC” BASS GAIN BASS FREQ. MID &g[...]