Crate Amplifiers SPA-200 User Manual
Congratulations. You have selected one of the finest pieces of sound reinforcement equipment available – the Crate Pro
Audio SPA-200 Rack Mounted Amplifier. Our many years of experience in high-performance musician’s equipment, combined with our extensive research and development procedures, have enabled us to produce an amplifier which provides
the highest quality and reliability possible.
Like all Crate products, your amplifier was Musician Made in the U.S.A., using only the finest components and materials. Each amplifier design must satisfy our team of highly-trained technicians and musicians before it is approved, and each
individual amplifier must pass a barrage of bench tests before it leaves the factory. We insist upon this extreme level of
quality control to insure that each amplifier produced will provide its owner with years of trouble-free, ear-pleasing performance.
Your new amplifier is a flexible part of any sound system: simple to connect and easy to operate, if you first know how
to incorporate it into your application. Several configurations are covered in this manual, along with important information
regarding impedance ratings and output power. In order to get the best performance and highest level of quality and relia-
bility from your new amplifier, please read this owner’s manual before operating the unit.
User’s Guide
for the
CRATE PRO AUDIO
SPA-200
Rack Mount
Power Amplifier
Front Panel:
Some Sample Applications:
SPEAKER
CH. 2 SPEAKER
CH. 2 SPEAKER
CH. 1 SPEAKER
TO CH. 2
INPUT
TO CH. 1
INPUT
CH. 1 SPEAKER
TO CH. 2
INPUT
FROM CH. 2 PARALLEL LINE OUT
TO CH. 1 INPUT
1, 3: LEVEL: These rotary potentiometers control the
level or gain of each channel, with the fully-clockwise position of each providing maximum sensitivity.
2, 4: PRESENCE: These rotary potentiometers add
emphasis to the upper frequencies, giving increased
“presence” to the output.
5: POWER SWITCH: This switch turns the amplifier
on and off. When AC power is applied to the amplifier the switch will light up.
SPA-200 Rack Mount Power Amplifier
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