Nady Systems PPA-300 User Manual

PPA-300

ProPower™ Stereo Power Amplifier

OWNER’S MANUAL

AMPLIFIER

2

PPA-300

ProPower™ Stereo Power Amplifier

Congratulations on your choice of the NADY AUDIO ProPower™ PPA-300 stereo power amplifier — 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 PPA-300 amplifier 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 stereo power amplifiers.

Date of Purchase

Dealer’s Name

City

State

Zip

Model #

Serial #

CONTENTS

FEATURES

FEATURES ................................................................................2

WARNING ..................................................................................3

FRONT & REAR PANEL CONNECTIONS................................4

INSTALLATION ..........................................................................5

CONNECTIONS ........................................................................6

SPECIFICATIONS......................................................................7

Offering top power, superior performance and full professional operating features in a roadworthy compact chassis, the PPA-300
amplifier is perfect for even the most demanding sound reinforcement installation and touring applications.

• Full operating features: stereo (dual channel), volume controls; XLR and 1/4” TS inputs

• Full safety/reliability features: fan for cooling; 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

• Power ON LED; Signal and Clipping LED indicators for each channel

• Roadworthy, rugged double rack space (2U) housing

• IEC power cord connector with built-in fuse

• PPA-300 - 2 x 150W RMS @ 4Ω, 2 x 120W RMS @ 8Ω

WARNING

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IMPORTANT SAFETY INSTRUCTIONS

When using this electronic device, basic precautions should always be taken, including the following:

1. Read all instructions before using the product.

2. Do not use this product near water (e.g., near a bathtub, washbowl, kitchen sink, in a wet basement, or near a
swimming pool, etc.).

3. This product should be used only with a cart or stand that will keep it level and stable and prevent wobbling.

4. This product, in combination with headphones or speakers, may be capable of producing sound levels that
could cause permanent hearing loss. Do not operate for a long period of time at a high volume level or at a
level that is uncomfortable. If you experience any hearing loss or ringing in the ears, you should consult an
audiologist.

5. The product should be positioned so that proper ventilation is maintained.

6. The product should be located away from heat sources such as radiators, heat vents, or other devices
(including amplifiers) that produce heat.

7. The product should be connected to a power supply only of the type described in the operating instructions or
as marked on the product. Replace the fuse only with one of the specified type, size, and correct rating.

8. The power supply cord should: (1) be undamaged, (2) never share an outlet or extension cord with other
devices so that the outlet’s or extension cord’s power rating is exceeded, and (3) never be left plugged into
the outlet when not being used for a long period of time.

9. Care should be taken so that objects do not fall into, and liquids are not spilled through, the enclosure’s
openings.

10. The product should be serviced by qualified service personnel if:
A. The power supply cord or the plug has been damaged.
B. Objects have fallen into, or liquid has been spilled onto the product.
C. The product has been exposed to rain.
D. The product does not appear to operate normally or exhibits a marked change in performance.
E. The product has been dropped, or the enclosure damaged.

11. Do not attempt to service the product beyond what is described in the user maintenance instructions. All
other servicing should be referred to qualified service personnel.

ATTENTION

: RISQUE DE CHOC ELECTRIQUE NE PAS OUVRIR

An equilateral triangle enclosing a lightening flash/arrowhead symbol is
intended to alert the user to the presence of uninsulated “dangerous
voltage” within the product’s enclosure which may be of sufficient
magnitude to constitute a risk of electric shock.

An equilateral triangle enclosing an exclamation point is intended to alert
the user to the presence of important operating and service instructions in
the literature enclosed with this unit.