Crate SPA-1400C - Manuals

Crate SPA-1400C – Manual in PDF format online.

Manuals:

Manual

Manual Crate SPA-1400C

Summary

Page 2 - Rack Mount Power Amplifier

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

Page 3 - In order to get the best performance and high-

3 Introduction: Congratulations. You have selected one of the finest pieces of sound reinforcement equipment available, the Crate Pro Audio SPA-1400/1400C Rack Mounted Amplifier. Our many years of experience in high-performance audio equip-ment, combined with our extensive research and development p...

Page 4 - Front Panel Information:; These LEDs will illumi-; POWER SWITCH; This switch turns the amplifier on in; POWER INDICATOR LED

4 Front Panel Information: ;;;;;;;;;; ;;;;;;;;;; ;;;;;;;;;; ;;;;;;;;;; ;;;;;;;;;; ;;;;;;;;;; ;;;;;;;;;; ;;;;;;;;;; @@@@@@@@@@ @@@@@@@@@@ @@@@@@@@@@ @@@@@@@@@@ @@@@@@@@@@ @@@@@@@@@@ @@@@@@@@@@ @@@@@@@@@@ ÀÀÀÀÀÀÀÀÀ...

Page 6 - CROSSOVER; More About the Crossover; LOW CUT; Rear Panel Information – “Export”:

SPA-1400/1400C Rack Mount Power Amplifier (SPA-1400C ONLY) 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 thesame input signal, set the X-OVER OUT/THRU...

Page 7 - Speaker Impedances And Power Ratings:; Output Power Per Speaker Cabinet:; balanced; RN

7 SPA-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 calc...

Page 8 - Installation and Operation:; SWITCHES; Either the binding posts or the Speakon

8 Installation and Operation: Stereo Operation: The SPA-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 indicatorLEDS, aut...

Page 9 - other for the monitors. The

9 SPA-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 M...

Page 10 - Parallel Mono Operation:; nal to channel 1 and press in the; PARALLEL MONO SWITCH

1 0 SPA-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 i...

Page 11 - Bridged Mono Operation:; INPUT; jacks and; LEVEL CONTROL; amp receives its signal from a tap after channel 1's; LEVEL; pendently protected. The; BRIDGE MONO SWITCH; jack must be used to connect the ampli-

1 1 SPA-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'...

Page 12 - Patching Two Bridged Mono Mode Systems:; BALANCED THRU

1 2 SPA-1400/1400C Rack Mount Power Amplifier Speakon ® is a registered trademark of Neutrik USA Installation and Operation: Patching Two Bridged Mono Mode Systems: Two Bridged Mono amplifiers can be patched together by connecting a signal cable between their input jacks (the dashed line in the illu...

Page 16 - allow proper balancing of low and high frequency volume levels.

1 6 SPA-1400/1400C Rack Mount Power Amplifier Speakon ® is a registered trademark of Neutrik USA Installation and Operation: Biamping: SPA-1400C – One Stereo Amplifier: A single SPA-1400C can be used to power separate low and high frequency cabinets (shown below), or to separately power the lows and...

Page 17 - tional biamped speakers, using multiple amplifiers. The; CROSSOVER FREQUENCY CONTROL; off frequency for the low frequency cabinet. The; LEVEL CONTROLS; allow proper balancing of low and high frequency volume

1 7 SPA-1400/1400C Rack Mount Power Amplifier Speakon ® is a registered trademark of Neutrik USA Installation and Operation: Biamping: SPA-1400C – Multiple Amplifiers: A single SPA-1400C can be used to power separate low and high frequency cabinets (shown below), and to connect addi- tional biamped ...

Page 18 - Connect channel 2’s; quency amplifier. The

1 8 SPA-1400/1400C Rack Mount Power Amplifier Speakon ® is a registered trademark of Neutrik USA Installation and Operation: Biamping: SPA-1400C – Two Mono Bridged Amplifiers: A pair of SPA-1400C can be used to power separate low and high frequency cabinets. The BRIDGE MONO SWITCH (#17) of each ampl...

Page 19 - BRIDGE MONO

1 9 SPA-1400/1400C Rack Mount Power Amplifier Speakon ® is a registered trademark of Neutrik USA Installation and Operation: Triamping: SPA-1400: A pair of SPA-1400s can be used to power separate low, mid and high frequency cabinets, or a separate subwoofer and biamped full range cabinet. In the exa...

Page 23 - Installation Notes / Mounting Dimensions:; only

2 3 SPA-1400/1400C Rack Mount Power Amplifier Installation Notes / Mounting Dimensions: The SPA-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 s...

Page 24 - Technical Specifications; contained herein are subject to change without notice.

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 SPA-1400/1400C Rack Mount Power Amplifier Technical Specifications POWER OUTPUT Stereo Mode: 260 watts / channel @ 8 ohms 20Hz–20kHz 425 watts / channel @ ...