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Manual Crate Amplifiers SPA-1400

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  • Crate Amplifiers SPA-1400 - page 1

    User ’ s Guide for the CRA TE PRO AUDIO SP A-1400/1400C Rack Mount Power Amplifier In order to achieve maximum performance from your new Crate Pro Audio SP A Series Power Amp we recommend that you read this user ’ s guide prior to its use. ...

  • Crate Amplifiers SPA-1400 - page 2

    2 Contents: Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3 Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3 Front Panel Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4 Rear Panel Information . . . . . . . . . . . . . . . . . . . . . . . . . . . ...

  • Crate Amplifiers SPA-1400 - page 3

    3 Introduction: Congratulations. Y ou have selected one of the finest pieces of sound reinfor cement equipment available, the Crate Pro Audio SP A-1400/1400C Rack Mounted Amplifier . Our many years of experience in high-performance audio equip- ment, combined with our extensive research and development procedures, have enabled us to produce an ampl ...

  • Crate Amplifiers SPA-1400 - page 4

    4 Front Panel Information: 1 4 3 2 2 3 4 5 6 7 1: COOLING F AN EXHAUST VENT : The SP A-1400/1400C employs a pair of variable-speed internal cooling fans to draw air through the unit and keep it running cool even under extreme operating conditions. The air is drawn in through the unit’ s side and rear intake vents and is forced out through the fro ...

  • Crate Amplifiers SPA-1400 - page 5

    5 ...

  • Crate Amplifiers SPA-1400 - page 6

    SP A-1400/1400C Rack Mount Power Amplifier ( SP A-1400C ONL Y ) 18 19 20 21 22 23 21 19 18 20 24 18: BALANCED THRU/X-OVER OUT JACKS: These male XLR jacks are independently switchable and have two uses: (1) Balanced Thru: For driving additional amplifiers with the same input signal, set the X-OVER OUT/THRU switch (#19) to the THRU position (switch o ...

  • Crate Amplifiers SPA-1400 - page 7

    7 SP A-1400/1400C Rack Mount Power Amplifier Speakon ® is a registered trademark of Neutrik USA 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 am ...

  • Crate Amplifiers SPA-1400 - page 8

    8 Installation and Operation: Stereo Operation : The SP A-1400/1400Ccan be used in the Stereo Mode as two separate power amplifiers, each capable of driving loads down to 2 ohms. Each channel operates independently and has its own input connectors, sensitivity level controls, signal indicator LEDS, automatic limiter , fault protection circuitry , p ...

  • Crate Amplifiers SPA-1400 - page 9

    9 SP A-1400/1400C Rack Mount Power Amplifier Speakon ® is a registered trademark of Neutrik USA Installation and Operation: Main/Monitor Combinations: Another application of the Stereo Mode (see page 8) is using one channel of the amplifier for the house speakers and the other for the monitors. The MONO/STEREO SWITCHES (#16 & #17) must both be ...

  • Crate Amplifiers SPA-1400 - page 10

    10 SP A-1400/1400C Rack Mount Power Amplifier Speakon ® is a registered trademark of Neutrik USA Installation and Operation: Parallel Mono Operation: The two internal power amplifiers (channel 1 and 2) can easily be driven by a single input signal. Connect the input sig- nal to channel 1 and press in the P ARALLEL MONO SWITCH (#16). (The BRIDGE MO ...

  • Crate Amplifiers SPA-1400 - page 11

    11 SP A-1400/1400C Rack Mount Power Amplifier Speakon ® is a registered trademark of Neutrik USA Installation and Operation: Bridged Mono Operation: The two internal power amplifiers can be bridged together to form a single, higher -powered amp. In the Bridged Mono Mode, the amplifier uses channel 1's INPUT jacks and LEVEL CONTROL ; channel 2 ...

  • Crate Amplifiers SPA-1400 - page 12

    12 SP A-1400/1400C Rack Mount Power Amplifier Speakon ® is a registered trademark of Neutrik USA Installation and Operation: Patching T wo Bridged Mono Mode Systems: T wo Bridged Mono amplifiers can be patched together by connecting a signal cable between their input jacks (the dashed line in the illustration below). (On the SP A-1400C, another op ...

  • Crate Amplifiers SPA-1400 - page 13

    13 SP A-1400/1400C Rack Mount Power Amplifier Speakon ® is a registered trademark of Neutrik USA Installation and Operation: Connecting Multiple Amplifiers (SP A-1400C only): A single signal may be passed along to multiple amplifiers by using the BALANCED THRU/X-OVER OUT jacks. Set the switch- es to the “Thru” (OUT) position and connect from t ...

  • Crate Amplifiers SPA-1400 - page 14

    14 SP A-1400/1400C Rack Mount Power Amplifier Speakon ® is a registered trademark of Neutrik USA Installation and Operation: Biamping: SP A-1400 – One Amp, Single Cabinet: One SP A-1400 can be used to separately power the lows and highs of a cabinet with biamp inputs. The MONO/STEREO SWITCHES (#16 & #17) must both be in the OUT position. (W ...

  • Crate Amplifiers SPA-1400 - page 15

    15 SP A-1400/1400C Rack Mount Power Amplifier Speakon ® is a registered trademark of Neutrik USA Installation and Operation: Biamping: SP A-1400 – One Amp, Separate Cabinets: One SP A-1400 can be used to power separate low and high frequency cabinets. The MONO/STEREO SWITCHES (#16 & #17) must both be in the OUT position. (W e show use of cha ...

  • Crate Amplifiers SPA-1400 - page 16

    16 SP A-1400/1400C Rack Mount Power Amplifier Speakon ® is a registered trademark of Neutrik USA Installation and Operation: Biamping: SP A-1400C – One Stereo Amplifier: A single SP A-1400C can be used to power separate low and high frequency cabinets (shown below), or to separately power the lows and highs of a cabinet with biamp inputs (for sp ...

  • Crate Amplifiers SPA-1400 - page 17

    17 SP A-1400/1400C Rack Mount Power Amplifier Speakon ® is a registered trademark of Neutrik USA Installation and Operation: Biamping: SP A-1400C – Multiple Amplifiers: A single SP A-1400C can be used to power separate low and high frequency cabinets (shown below), and to connect addi- tional biamped speakers, using multiple amplifiers. The MONO ...

  • Crate Amplifiers SPA-1400 - page 18

    18 SP A-1400/1400C Rack Mount Power Amplifier Speakon ® is a registered trademark of Neutrik USA Installation and Operation: Biamping: SP A-1400C – T wo Mono Bridged Amplifiers : A pair of SP A-1400C can be used to power separate low and high frequency cabinets. The BRIDGE MONO SWITCH (#17) of each amplifier must both be in the IN position. Use ...

  • Crate Amplifiers SPA-1400 - page 19

    19 SP A-1400/1400C Rack Mount Power Amplifier Speakon ® is a registered trademark of Neutrik USA Installation and Operation: T riamping: SP A-1400: A pair of SP A-1400s can be used to power separate low , mid and high frequency cabinets, or a separate subwoofer and biamped full range cabinet. In the example shown below , with a mono bridged subwoo ...

  • Crate Amplifiers SPA-1400 - page 20

    20 SP A-1400/1400C Rack Mount Power Amplifier Speakon ® is a registered trademark of Neutrik USA Installation and Operation: T riamping: SP A-1400C: A pair of SP A-1400Cs can be used to power separate low , mid and high frequency cabinets, or a separate subwoofer and biamped full range cabinet. In the example shown, a bridged mono subwoofer , the ...

  • Crate Amplifiers SPA-1400 - page 21

    21 SP A-1400/1400C Rack Mount Power Amplifier Speakon ® is a registered trademark of Neutrik USA System Block Diagram, SP A-1400: System Block Diagram, SP A-1400C: RED (+) BLK ( – ) CH 2 INPUTS RING TIP 2 3 + 1 LIMITER CONTROL PROTECT LIMIT SIGNAL SIGNAL LIMIT PROTECT CH 2 LEVEL CH 2 AMP PARALLEL MONO BRIDGE MONO MONO ST MONO ST CH 1 INPUTS RING ...

  • Crate Amplifiers SPA-1400 - page 22

    22 Mode Block Diagrams: The following diagrams are excerpts from the system block diagrams and are intended to provide a simplified view of the three operating modes of the amplifier . For more complete information please refer to the text on page 5 (items #16 & 17), and the text and/or illustrations on pages 8 – 21. Stereo Mode: SP A-1400/14 ...

  • Crate Amplifiers SPA-1400 - page 23

    23 SP A-1400/1400C Rack Mount Power Amplifier Installation Notes / Mounting Dimensions: The SP A-1400/1400C is specifically designed to be rack mounted, either as a permanent fixture or in a “mobile” rack case. As with any large, heavy object, a proper installation could mean the difference between success and disaster . The front of the unit i ...

  • Crate Amplifiers SPA-1400 - page 24

    www .crateamps.com © 1999 SLM Electronics, Inc. • A Division of St. Louis Music, Inc. 1400 Ferguson Avenue • St. Louis, MO 63133 47-658-01 • 01/99 SP A-1400/1400C Rack Mount Power Amplifier T echnical Specifications POWER OUTPUT Stereo Mode: 260 watts / channel @ 8 ohms 20Hz–20kHz 425 watts / channel @ 4 ohms 20Hz–20kHz 660 watts / chann ...

Manufacturer Crate Amplifiers Category Stereo Amplifier

Documents that we receive from a manufacturer of a Crate Amplifiers SPA-1400 can be divided into several groups. They are, among others:
- Crate Amplifiers technical drawings
- SPA-1400 manuals
- Crate Amplifiers product data sheets
- information booklets
- or energy labels Crate Amplifiers SPA-1400
All of them are important, but the most important information from the point of view of use of the device are in the user manual Crate Amplifiers SPA-1400.

A group of documents referred to as user manuals is also divided into more specific types, such as: Installation manuals Crate Amplifiers SPA-1400, service manual, brief instructions and user manuals Crate Amplifiers SPA-1400. Depending on your needs, you should look for the document you need. In our website you can view the most popular manual of the product Crate Amplifiers SPA-1400.

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A complete manual for the device Crate Amplifiers SPA-1400, how should it look like?
A manual, also referred to as a user manual, or simply "instructions" is a technical document designed to assist in the use Crate Amplifiers SPA-1400 by users. Manuals are usually written by a technical writer, but in a language understandable to all users of Crate Amplifiers SPA-1400.

A complete Crate Amplifiers manual, should contain several basic components. Some of them are less important, such as: cover / title page or copyright page. However, the remaining part should provide us with information that is important from the point of view of the user.

1. Preface and tips on how to use the manual Crate Amplifiers SPA-1400 - At the beginning of each manual we should find clues about how to use the guidelines. It should include information about the location of the Contents of the Crate Amplifiers SPA-1400, FAQ or common problems, i.e. places that are most often searched by users in each manual
2. Contents - index of all tips concerning the Crate Amplifiers SPA-1400, that we can find in the current document
3. Tips how to use the basic functions of the device Crate Amplifiers SPA-1400 - which should help us in our first steps of using Crate Amplifiers SPA-1400
4. Troubleshooting - systematic sequence of activities that will help us diagnose and subsequently solve the most important problems with Crate Amplifiers SPA-1400
5. FAQ - Frequently Asked Questions
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