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Viking PA-30 Technical Practice
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Viking PA-30 Technical Practice

30 watt paging amp with loud ringing
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TECHNICAL
TECHNICAL
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Background Music to Any Phone System
other soft chime sounds may be selected. An external "night transfer" switch can be added to
turn loud ringing on or off in night bell applications.
The PA-30 is easy to install and eliminates the installation of multiple bells, relays and paging
cards. The unit comes complete with a power supply, and integrated 30 watt amplifier.
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• 30 Watts of paging power
• Drive up to (30) 8 ohm speakers
• 70V output can drive up to (50) 70V speakers
• Master volume control
• Separate volume controls for Auxiliary Input,
Paging, Ringing Tones and Background Music
• Choose from up to 4 ringing sounds:
- Electronic warble (traditional loud ringer)
- Double gong (two identical "gong" tones)
- Quadruple chime (four descending chime tones)
- Door chime (ding-dong)
• Provides loud ringing or night bell
• Night transfer switch
• Page from an unused trunk port or paging port
• Can provide background music from an external
source
• Use as a low cost stand alone power amplifier
• 600 Ohm output to drive additional amplifiers
• Use multiple units for more paging power
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Add Paging and Loud Ringing with
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The PA-30 can directly drive up to thirty (30) 8 ohm
paging speakers or fifty (50) 70 volt paging speakers.
The PA-30 provides loud ringing and paging to elec-
tronic key systems, 1A2 Key systems, PABX's as well
as No-KSU phones and multi-line phones.
Paging is accomplished by connecting the PA-30 to a
paging port or unused telephone line input (trunk port)
of nearly any phone system.
The PA-30 will also generate adjustable loud ringing
from a ringing analog line or from a dry contact clo-
sure. Either a loud electronic warble, or one of three
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• Amplified loud paging
• Loud ringing
• Night bell
• Background music
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Power: 120V AC/15V AC 2.2A UL listed adapter provided
Dimensions: 133mm x 89mm x 44mm (5.25" x 3.5" x 1.75")
Shipping Weight: 1.36 kg (3 lbs)
Environmental: 0°C to 32°C (32°F to 90°F) with 5% to 95%
non-condensing humidity
Paging Output: 30 watts - powers up to (30) 8 ohm speakers or
(50) 70V speakers
Talk Battery: 40V DC
Connections: (1) 3.5mm (1/8") audio jack, (1) 17 position screw
terminal block
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30 Watt Paging Amp
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with Loud Ringing
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A-30
A-30
August 8, 2006
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Summary of Contents for Viking PA-30

  • Page 1 The PA-30 is easy to install and eliminates the installation of multiple bells, relays and paging cards. The unit comes complete with a power supply, and integrated 30 watt amplifier.

  • Page 2: Returning Product For Repair

    Viking warrants its products to be free from defects in the workmanship or materials, under normal use and service, for a period of one year from the date of purchase from any authorized Viking distributor or 18 months from the...
  • Page 3 1 2 3 4 5 6 + SPKR - Up to (15) 8 Ohm Speakers (not included) Up to (15) more 8 Ohm Speakers (not included) VIKING MODEL PA-30 © MASTER VOLUME VIKING ELECTRONICS HUDSON, WI 54016 30 WATT TELECOM PAGING AMPLIFIER...

  • Page 4: Auxiliary Input

    8 Ohm Speakers (not included) Background Music Trim Pot Up to (15) 8 Ohm Speakers (not included) Up to (15) more 8 Ohm Speakers (not included) MODEL PA-30 © MASTER VOLUME VIKING ELECTRONICS LOUD RINGING LED4 LED3 LED5 PAGE RINGING...
  • Page 5 Step 2. Move the talk battery DIP switch to the OFF position (DIP switch 1) Step 3. Connect the main PA-30 600 Ohm Output (pins 5 and 6) to a second PA-30 Page In (pins 9 and 10). Step 4. Add a jumper wire across the Page Contact (pins 11 and 12) of the second PA-30.
  • Page 6 Aux In Background Music + SPKR - + SPKR - 70V OUT Frequency alternates between 1440 Hz and 1140 Hz 20 times per second. 2.2 sec 492 Hz MODEL PA-30 © MASTER VOLUME VIKING ELECTRONICS HUDSON, WI 54016 30 WATT TELECOM...
  • Page 7 If paging from a phone system’s unused Telephone Line Input (Trunk Port), or dedicated analog phone, DIP Switch 1 must be turned ON so the PA-30 will provide the necessary 40V DC of Talk Battery. To page, either access that Trunk Port or go off hook on the analog phone.
  • Page 8 1 ohm (8 ohms divided by 8 speakers equals 1 ohm). If these eight speakers are wired 125 feet away from the PA-30 using #16 gauge wire, ½ of the paging power would be lost in the long run. This is because a 125 foot full loop of #16 wire contains 1 ohm of total resistance, so half the power would be lost in the wire, and ½...