EasyManuals Logo

Radio Shack MPA 31 User Manual

Radio Shack MPA 31
20 pages
To Next Page IconTo Next Page
To Next Page IconTo Next Page
To Previous Page IconTo Previous Page
To Previous Page IconTo Previous Page
Page #9 background imageLoading...
Page #9 background image
Line transformers have several connec-
tors cafled taps. The primary taps (on
one side of the transfonnner) are the in-
puts
and
are rated
in
watts.
The second-
ary taps (cff) the opposite sicte of the
transformer) are the outputs and are
rated in ohms.
{SECONDARY)
Cauttons:
Before you connect the speakers, be
ajre the total wattage of the primary
taps you intend to use does not ex-
ceed the ampfifier's maximum 20-
watt output power rating.
Avoid multiple connections to the amp-
lifier's 70V and COM terminals.
COM
4
0 an 160 70V
CDM 4 0 8 0 160 70V
(PRIMARY) (SECONDARY)
1.
Connect a wire from the ampliftor's
TOV tenninal to the transfomner's
pri-
mary tap that matches your speak-
er's wattege ratFig.
Note:
Usually, eac* speaker
in
a sys-
tem uses the same wattage tap. If
you want a particular speaker to
have a higher volume level, use a
higher wattage tap on its transformer.
2.
Connect a wire from the ampfifier's
COM (common) tenninal to the C
(common) taps on the transfomner's
primary side.
3. Connect a wire from the speaker's
positive (-F) terminal to the trans-
former's secondary tap that matches
the speaker's total impedance (4
ohms,
8 ohms, or 16 ohms).
4.
Connect a wire from the speaker's
negative (-) tenninal to the C (com-
mon) tap on the transformer's sec-
ondary side.
CONNECTING POWER
You can power your amplifier from
stan-
dard AC power or from a 12-vdt DC
power source (such as your vehide's
battery).
Using AC Power
To use standard AC power, simply plug
the suppfied AC corcl into any standard
AC outiet.
Using Vehicle
Battery Power
You can power the amplifier from your
vehicle's 12-volt battery.

Questions and Answers:

Question and Answer IconNeed help?

Do you have a question about the Radio Shack MPA 31 and is the answer not in the manual?

Radio Shack MPA 31 Specifications

General IconGeneral
BrandRadio Shack
ModelMPA 31
CategoryAmplifier
LanguageEnglish

Related product manuals