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VALCOM SIGNATURE SERIES
TM
, HIGH FIDELITY
CEILING SPEAKER
Valcom Signature Series
TM
Ceiling Speaker, V-1420, is a high fidelity, self-
amplified (6 watt amplifier) speaker and may be used to provide one-way paging
and high quality music reproduction from any Valcom page control. This
speaker has an adjustable volume control located on the front of the unit. The
V-1420 required -24VDC, 200mA (4 Valcom power units). The speaker is
available in a white powder epoxy finish.
NOTE:
No power amplifier required. Do not connect this speaker directly
to a 25/70/100 volt amplifier as damage to both the amplifier and
speaker may occur. (Recommended nominal input level to the
V-1420 is -10dBm).
MOUNTING CONNECTIONS
Cut an 8.5” diameter hole in ceiling tile. After connections have been made to
the speaker, attach speaker to ceiling tile using the mounting hardware provided.
(A metal backbox with rails is available separately as model V-9816M).
Typical Connections to a Valcom Page Adapter
Recommended Quantity of Speakers per Specific Power Run
(Standard Category 3 Twisted Pair Telephone Wire)
SPEAKERS PER
POWER RUN WIRE RUN LENGTH (FT.)
V-1420 24-AWG 22AWG
4 300 500
2 500 800
1 775 1200
FCC NOTICE
NOTE:
The equipment has been tested and found to comply with the limits for Class A
digital devices, pursuant to Part 15 of the FCC Rules. These limits are designed to
provide reasonable protection against harmful interference when the equipment is
operated in a commercial environment. This equipment generates, uses, and can radiate
radio frequency energy and, if not installed and used in accordance with the instruction
manual, may cause harmful interference to radio communications. Operation of this
equipment in a residential area is likely to cause harmful interference in which case the
user will be required to correct the interference at his own expense.
NOTE:
This unit was tested with shielded cables and peripheral devices. Shielded
cables must be used with the unit to insure compliance.
NOTE:
The manufacturer is not responsible for any radio or TV interference caused by
unauthorized modifications to this equipment. Such modifications could void the user’s
authority to operate the equipment.
TROUBLESHOOTING CHART
SYMPTOM ACTION
No audio from
speaker
1. Verify volume control is turned up (clockwise).
2. Using a lineman’s test set, check for proper audio level on
Tip/A and Ring/B leads and if necessary at the source.
Low volume
from speaker
1. Verify volume control is turned up.
2. Check voltage at the speaker when in use, (-18 to -24VDC
required).
3. Using a lineman’s test set, check for proper audio level on
Tip/A and Ring/B leads. It is possible some low level audio
will be heard with only one side of Tip/A and Ring/B
connected.
Loud squeal
(feedback).
1. Decrease volume of speaker (counterclockwise).
2. Increase the distance between telephone and speaker.
3. Install confidencer on the telephone in severe problem areas.
Dimensions/Weight
•
13.0”Dia. x 3.0”D (33cm Dia. x 7.6cm D)
•
3.5 lbs. (1.59 kg)
Valcom Page
Control
Page
Out
V-1420
One Way
Amplified
Speaker
Tip/A
Ring/B
-24 Vdc
Gnd
2-pair twisted
telephone wire
Valcom -24 Vdc
Power Supply
FIGURE 1