Issue 1
45 OHM TALKBACK CORNER SPEAKER
INTRODUCTION
The interior corner speaker, the
Mounting
Remove cloth covered grille from baffle. Place speaker in the desired mounting location. Mark “keyhole” slot for mounting (see figure 1). After making the required connections, secure baffle to wall with a suitable mounting screw (#10 sheet metal screw or similar). Attach cloth covered grille to baffle.
Connections
Two conductor twisted wire is required for the 45 Ohm talkback speakers. Standard 22 or 24 gauge station wire is acceptable. Shielded wire is not required or recommended. Connections are as follows:
•Speaker out from page control to speaker tip
•Speaker common to speaker ring
Dimensions/Weight
•10.00"H x 12.00”W x 4.50”D
(25.4cm H x 30.48cm W x 11.43cm D)
•3.0 lbs (1.36 kg)
Environment
Temperature: | |
Humidity: | 0 to 95% |
Coverage
The distance you can be away from a speaker and still have good talkback depends on the type of speaker and the ambient noise level. In a typical office environment, a wall speaker will cover approximately 600 square feet when mounted eight feet from the floor
SYSTEM DESIGN
General
The 45 Ohm Talkback Speakers are designed to be used with the Valcom "handsfree" talkback control units. In combination with these units, they will provide both loudspeaker and talkback functions.
A standard Valcom talkback paging system is made up of three basic components:
1.A talkback page control unit
2.Speakers (45 Ohm)
3.A power supply
Consult Valcom's VSP - Handsfree Talkback Paging (Part # 947099) for detailed information on selecting the control unit and power supply.
| TYPICAL REPLY DISTANCE CHART |
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Machine |
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Shop | 90 |
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(Noisy) | Talkback not recommended above 80dB |
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| 80 |
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Shipping | 70 |
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(Moderate) |
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| 60 |
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Waiting | 50 |
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Rooms |
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(Quiet) | 10' | 20' | 30' | 40' | 50' |
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Maximum Talkback Reply Distance
1 | 947675 |
