Manuale d’uso / di manutenzione del prodotto SPA-1400 del fabbricante Crate Amplifiers
Vai alla pagina of 24
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.
5.
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.
Un punto importante, dopo l’acquisto del dispositivo (o anche prima di acquisto) è quello di leggere il manuale. Dobbiamo farlo per diversi motivi semplici:
Se non hai ancora comprato il Crate Amplifiers SPA-1400 è un buon momento per familiarizzare con i dati di base del prodotto. Prime consultare le pagine iniziali del manuale d’uso, che si trova al di sopra. Dovresti trovare lì i dati tecnici più importanti del Crate Amplifiers SPA-1400 - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso Crate Amplifiers SPA-1400 imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul Crate Amplifiers SPA-1400 ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il Crate Amplifiers SPA-1400, ma non hai ancora letto il manuale d’uso, dovresti farlo per le ragioni sopra descritte. Saprai quindi se hai correttamente usato le funzioni disponibili, e se hai commesso errori che possono ridurre la durata di vita del Crate Amplifiers SPA-1400.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il Crate Amplifiers SPA-1400. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo Crate Amplifiers SPA-1400 insieme con le istruzioni su come risolverli. Anche se non si riesci a risolvere il problema, il manuale d’uso ti mostrerà il percorso di ulteriori procedimenti – il contatto con il centro servizio clienti o il servizio più vicino.