Nady Systems SPA 1400 owner manual Features, Contents

SPA SERIES

STEREO POWER AMPLIFIER

Congratulations on your choice of stereo power amplifiers — you have purchased one of the finest stereo amplifiers on the market today. This unit was developed using the expertise of professional sound engineers and working musicians. You will find that your new NADY AUDIO SPA 850/1400/2400 has superior performance and greater flexibility than any other amplifiers in its price range. Please read this manual carefully to get the most out of your new unit.

Thanks for selecting NADY AUDIO as your choice in amplifiers.

FEATURES

Offering top power, superior performance and full professional operating features in a roadworthy compact chassis, the SPA Series are perfect for even the most demanding sound reinforcement installation and touring applications.

The operating instruction in this manual are for the SPA 850, SPA 1400 and SPA 2400 power amplifiers. The operation and functions of these units are the same, except as noted.

•Continuously variable speed fan with back-to-front air flow

•Full operating features: user-defeatable clip limiter; switchable 30Hz low-cut filter; balanced XLR and 1/4” TRS inputs; detent volume controls; stereo (dual-channel, parallel-input, or bridged mono operating models with selector switch; binding post and Neutrik Speakon™ outputs; ground-lift switch

•Complete, advanced safety/reliability features: soft-start turn on; noise-free on-off; built-in DC offset; independent DC and thermal overload protection on each channel; short circuit and speaker protection; DC servo operation; built-in current limiter

•Parallel outputs allow “daisy chaining” amps

•~115V (60Hz)/~230V (50Hz) AC select switch

•Clip and Signal LED indicators for each channel

•Durable double rack space (2U) steel casing

•SPA 850 — 2 x 350W @4 Ω , 2 x 425W @2Ω Bridge mono: 600W @ 8Ω , 850W @ 4Ω SPA 1400 — 2 x 500W @4 Ω , 2 x 800W @2Ω Bridge mono: 1000W @ 8Ω , 1400W @ 4Ω SPA 2400 — 2 x 750W @4 Ω , 2 x 1400W @2Ω Bridge mono: 1600W @ 8Ω , 2400W @ 4Ω

CONTENTS
FEATURES	3
WARNING	4
FRONT AND REAR CONTROLS	5
INSTALLATION	7
CONNECTIONS	8
BLOCK DIAGRAM	10
SPECIFICATIONS	11

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