Crate AmplifiersメーカーSPA-1400Cの使用説明書/サービス説明書
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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.
2 Contents: Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3 Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3 Front Panel Information . . . . . . . . . . . . . . . . . . .
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 .
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.
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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.
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.
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.
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.
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).
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.
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).
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.
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.
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.
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 .
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.
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.
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.
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.
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 RIN.
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.
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 .
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 e.
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Crate Amplifiers SPA-1400Cをまだ購入していないなら、この製品の基本情報を理解する良い機会です。まずは上にある説明書の最初のページをご覧ください。そこにはCrate Amplifiers SPA-1400Cの技術情報の概要が記載されているはずです。デバイスがあなたのニーズを満たすかどうかは、ここで確認しましょう。Crate Amplifiers SPA-1400Cの取扱説明書の次のページをよく読むことにより、製品の全機能やその取り扱いに関する情報を知ることができます。Crate Amplifiers SPA-1400Cで得られた情報は、きっとあなたの購入の決断を手助けしてくれることでしょう。
Crate Amplifiers SPA-1400Cを既にお持ちだが、まだ読んでいない場合は、上記の理由によりそれを行うべきです。そうすることにより機能を適切に使用しているか、又はCrate Amplifiers SPA-1400Cの不適切な取り扱いによりその寿命を短くする危険を犯していないかどうかを知ることができます。
ですが、ユーザガイドが果たす重要な役割の一つは、Crate Amplifiers SPA-1400Cに関する問題の解決を支援することです。そこにはほとんどの場合、トラブルシューティング、すなわちCrate Amplifiers SPA-1400Cデバイスで最もよく起こりうる故障・不良とそれらの対処法についてのアドバイスを見つけることができるはずです。たとえ問題を解決できなかった場合でも、説明書にはカスタマー・サービスセンター又は最寄りのサービスセンターへの問い合わせ先等、次の対処法についての指示があるはずです。