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Crate SPA100 manual

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Table of contents for the manual

  • Page 1

    In order to achieve maximum performance from your new Crate Audio SP A Series Power Amp we recommend that you read this user ’ s guide prior to its use. User ’ s Guide for the CRA TE AUDIO SP A100 1/2-Rack Power Amplifier P ower P ower On Off Signal Limit Protect[...]

  • Page 2

    2 T able of Contents: Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3 Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3 Front Panel Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4 Rear Panel Information . . . . . . . . . . . . . . . . . . . . . . [...]

  • Page 3

    3 Introduction: Congratulations. Y ou have selected one of the finest sound reinforcement amplifiers available, the Crate Audio SP A100 1/2-Rack Power Amplifier . Our many years of experience in high-perform- ance audio equipment, combined with our extensive research and development procedures, have enabled us to produce an amplifier which provides[...]

  • Page 4

    4 Front Panel Information: P ower Pow er On Off Signal Limit Protect 2 1 3 4 5 67 1: POWER SWITCH: This switch applies AC power to the amplifier . The amp is on when the top of the switch is depressed, off when the bottom of the switch is depressed. The Power LED indicator (#3) illuminates when the ampli- fier is on. 2: LEVEL CONTROL: This rotary p[...]

  • Page 5

    5 LINE INPUTS SPEAKER OUTPUTS 8 9 10 11 12 13 14 4 OHMS MIN USE ONL Y 250V FUSE 115V 60Hz FUSE: T3AA, 250V 110-120 220-240 230V 50Hz FUSE: T2A, 250V 8: F AN INT AKE AREA: Air for cooling the SP A100 is drawn in by the fan at the rear and side, directed through the amplifier , and exhausted through the front panel vent. Do not block or impede the ai[...]

  • Page 6

    6 Speaker Impedances And Power Ratings: When connecting speaker cabinets, you must observe proper load impedances. Whenever connecting multiple cabinets to an amplifier , the total load impedance must be calculated to insure proper performance from the amplifier . The impedance chart which follows shows the total load impedances of many common para[...]

  • Page 7

    7 Installations and Operation: Mono Operation (One Amplifier): Connect a SP A100 between the outputs of your mono signal source and your speaker(s). The minimum impedance for the speak- er(s) is 4 ohms. LINE INPUTS SPEAKER OUTPUTS 4 OHMS MIN USE ONL Y 250V FUSE 115V 60Hz FUSE: T3AA, 250V 110-120 220-240 230V 50Hz FUSE: T2A, 250V MONO/SUM OUT OUT IN[...]

  • Page 8

    8 Installations and Operation: Stereo Operation (T wo Amplifiers): Connect one SP A100 between the left channel output of your stereo signal source and your left channel speaker(s). Connect anoth - er SP A100 between the right channel output of your stereo signal source and your right channel speaker(s). The minimum impedanc e for the speaker(s) is[...]

  • Page 9

    9 Installations and Operation: Stereo Operation (T wo Amplifiers): Connect one SP A100 between the output of your house speaker signal source and your house speaker(s). Connect another SP A100 between the output of your monitor signal source and your monitor speaker(s). The minimum impedance for the speaker(s) is 4 ohm s for each amplifier . LINE I[...]

  • Page 10

    10 Installations and Operation: Biamping (T wo Amplifiers): Connect one SP A100 between the output of your low frequency signal source and your low frequency speaker(s). Connect anoth- er SP A100 between the output of your full range signal source and your full range speaker(s). The minimum impedance for the speak- er(s) is 4 ohms for each amplifie[...]

  • Page 11

    11 Installations and Operation: T riamping (Three Amplifiers): Connect one SP A100 between the output of your low frequency signal source and your low frequency speaker(s). Connect anoth- er SP A100 between the output of your mid frequency signal source and your mid frequency speaker(s). Connect a third SP A100 between the output of your high frequ[...]

  • Page 12

    ©2003 SLM Electronics, Inc. • A Division of St. Louis Music, Inc. 1400 Ferguson Avenue • St. Louis, MO 63133 18-567-01 • 05/16/03 SP A100 1/2-Rack Power Amplifier T echnical Specifications POWER OUTPUT 100 W atts RMS @ 4 ohms 75 W atts RMS @ 8 ohms FREQUENCY RESPONSE +/-0.5dB, 20Hz – 20kHz @ full rated power T OT AL HARMONIC DIST OR TION L[...]