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Designed, Manufactured and Supported in the USA
VIKING
SECURITY & COMMUNICATION
250 Watt 70V Paging Power Amplifier
The PP-250 is a 250 Watt 70V Paging Power
Amplifier that can drive up to two hundred fifty (250)
70V speakers and/or paging horns (each speaker
set to "1 Watt tap"). The small 1U rack size chassis
is possible because the PP-250 uses new amplifier
technology that is 3 times more efficient than old
designs competitors use. The high efficiency of the
PP-250 means much less heat dissipation, smaller
size, higher reliability, and lower cost.
Features
• Powerful 70V amplifier drives up to 250 Watt load
• Line input allows connection to any analog line
level output, such as: telephone system paging
port, paging mixer, etc.
• Volume control
• Input Level control
• Bass and treble controls
• Power and volume LEDs
• Peak limiter and multiple protection modes
Information: 715-386-8861
www.VikingElectronics.com
PRODUCT
MANUAL
There are many advantages of using a 70V
distributed audio paging system, such as being
able to put more speakers on a wire run, having
longer speaker wire runs, using smaller gauge
wire, and being able to set the volume of each
speaker independently.
The PP-250 Line Input can connect to telephone
system paging ports, paging mixers, etc.
• Paging systems requiring 8 to 250 speakers
• Paging from virtually any analog line level paging source
• Installations that can utilize the below advantages of a
70V distributed audio system:
- Longer wire runs using smaller gauge speaker wire to
save costs
- Many speakers can be connected on the same wire
run to save costs
- Set each speaker's volume individually using its own
power taps
Power: 100V to 240V AC, 50 to 60Hz
Dimensions: approximately 19" x 1.75" x 6" (483 mm x 44.5 mm
x 153 mm)
Shipping Weight: lbs ( kg)
Environmental: 0°C to 32°C (32°F to 90°F) with 5% to 95%
non-condensing humidity
Paging Output: Capable of driving 250 Watt load of 70V
speakers
Power Cord: Dual IEC C7 plugs "Y" Power Cord included
Connections: (7) removable cage clamp screw terminals, (2)
IEC C8 AC power inlets
PP-250
250 Watt / 70V Paging
Power Amplifier
June 16, 2020
Applications
Specifications
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Related Manuals for Viking PP-250
Summary of Contents for Viking PP-250
- Page 1 June 16, 2020 SECURITY & COMMUNICATION 250 Watt 70V Paging Power Amplifier The PP-250 is a 250 Watt 70V Paging Power There are many advantages of using a 70V Amplifier that can drive up to two hundred fifty (250) distributed audio paging system, such as being...
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Page 2: Features Overview
Step 3 load. Since the PP-250 is capable of driving a 250 Watt load, additional speakers could be added, or some of the existing speakers could be tapped at a higher wattage setting to play louder. If the total speaker load goes “over budget”... -
Page 3: Operation
LEVEL LED flashes with LINE INPUT audio. If the LINE INPUT audio is coming from an RCA jack, and hum or buzz is present in the audio, the RCA cable’s shield may need to be grounded on the PP-250 side. This can be done by connecting the cable’s shield to the SHIELD terminal (pin 3). -
Page 4: Related Products
70V paging systems such as Viking models PA-30, PA-60, PA-250, PA-250-IP and PP-250. The transformer has a range of 5 separate switch selectable power taps, which can be used to adjust the volume of each speaker. These higher voltage distributed audio paging systems also have the advantage of being able to connect more speakers using lighter gauge wire runs while having less volume lost in wire resistance. - Page 5 Viking PI-1A Paging Interface unit, and the other zone provides only paging. For more information on the PA-60, see DOD 493.
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Page 6: Warranty
TWO YEAR LIMITED WARRANTY Viking warrants its products to be free from defects in the workmanship or materials, under normal use and service, for a period of two years from the date of purchase from any authorized Viking distributor. If at any time during the warranty period, the product is deemed defective or malfunctions, return the product to Viking Electronics, Inc., 1531 Industrial Street, Hudson, WI., 54016.