Crate Amplifiers bt25/bt50 manual

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Table of contents for the manual

  • Page 1

    BT25/BT50 BASS AMPLIFIER USER’S GUIDE[...]

  • Page 2

    IMPORT ANT SAFETY INSTRUCTIONS • READ, FOLLOW , HEED, AND KEEP ALL INSTRUCTIONS AND W ARNINGS. • DO NOT OPERA TE NEAR ANY HEA T SOURCE AND DO NOT BLOCK ANY VENTILA TION OPENINGS ON THIS APP ARA TUS. FOR PROPER OPERA TION, THIS UNIT REQUIRES 3” (75mm) OF WELL VENTILA TED SP ACE AROUND HEA TSINKS AND OTHER AIR FLOW PROVISIONS IN THE CABINET . ?[...]

  • Page 3

    3 Congratulations! Y ou are now the proud owner of the compact but powerful Crate BT25/BT50 Bass Amplifier . The BT25/BT50 features two different chan- nels: a distortion channel, featuring Crate’s exclusive Shape control for quick and easy access to the tone you need, and a clean channel with a four-band rotary EQ. Another unique and valuable fe[...]

  • Page 4

    BT25/BT50 Bass Amplifier 4 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 channel. As you rotate the control clockwise the amount of distortion increases. 3. SHAPE: Use this control to adjust the tone of th[...]

  • Page 5

    BT25/BT50 Bass Amplifier 5 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 o[...]

  • Page 6

    6 Suggested Starting Settings: BT25/BT50 Bass Amplifier Roc k: OUT Jazz: OUT Country: OUT Funk: OUT Solo Fuzz: IN Super F at Fuzz: IN ** ** ** ** ** *[...]

  • Page 7

    BT25/BT50 Bass Amplifier 7 System Block Diagram: BUFFER INPUT LEVEL LOW LOW MID HIGH MID HIGH CHANNEL SWITCH FOOT SWITCH EQ NOISE GATE GAIN DISTORTION LEVEL TUNER A BC D EF G SHAPE LEVEL OCTAVE MASTER EXTERNAL SPEAKER HEAD PHONES POWER AMP SPEAKER ATTENUATOR CD INPUT[...]

  • Page 8

    ©2003 ST . LOUIS MUSIC, 1400 FERGUSON, ST . LOUIS, MO. 63133 47-376-01 • 012904 BT25/BT50 Bass Amplifier BT25 BT50 Output Power Rating 25W RMS 2% THD, 4 Ω , 120 V AC 50W RMS 2% THD, 4 Ω , 120 V AC Gain Distortion Channel 100dB 104dB Clean Channel 60dB 63dB CD Inputs 33dB 37dB T one Range Low 21dB @ 50Hz 21dB @ 50Hz Lo Mid 23dB @ 150Hz 23dB @[...]