ELK 800 User Manual
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For more information contact your local Distributor or:
ELK PRODUCTS,INC 828-397-4200 FAX 828-397-4415
http://www.elkproducts.com Email: info@elkproducts.com
10/03
Magic Module Series
®
Transceiver Kit, Programmed MM443
iButton™ Access Kit w/ MM443, MA100, MA101
Rust Free Sirens / Speakers
Speakers & Sirens
ECHO™ Sirens & Speakers
Siren & Voice Drivers
Surge Suppressors
Relay Modules
Power Products
Accessories
Audio Amplifier
ELK-800
APPLICATION:
A compact, low cost audio amplifier designed for
paging (public address) applications. The ELK800 can be centrally or remotely installed. It
operates on low voltage, thus saving money by
requiring only 22-24 gauge telco or alarm type
wire. It can drive multiple speakers and features
short circuit protection and built-in volume adjust.
ELK-800
Audio Amplifier
FEATURES:
• Small, Compact Public Address Amplifier.
• Expanded Telephone System Paging.
• Amplified Telephone Ringer Where Speaker
Tone Signaling Is Available.
• Eliminates Large Bulky Amplifiers.
• No Need For 70 Volt Line Transformers.
• Uses Inexpensive 22-24 AWG Wire.
• Drives Ordinary Horn Or Cone Speakers.
• Built-in Volume Control.
• Lifetime Limited Warranty. Made in the USA.
SPECIFICATIONS:
• Output Rating: 10 Watts.**
• Speaker (Output) Load: 2 to 16 Ohms.**
• Power Input: 12 to 24 Volts AC or DC**
• Current Draw: 50 to 800 mA
• Input Impedance: 1000 Ohms nominal.
• Size: 4.5" x 3" x 1.2".
Features and Specifications subject to change without notice.
**NOTE: The ELK-800 is primarily designed for short
duration (intermittent) paging applications. For long durations, such as playing music, you may need to reduce the
volume output, or lower the power input voltage, or lower
the speaker loading in order to keep the ELK-800 from
overloading and shutting down.
828-397-4200 Voice
828-397-4415 Fax
http://www.elkproducts.com
email: info@elkproducts.com
PO Box 100 • Hwy. 70W • Hildebran, NC 28637 • USA
Instructions Printed On Inside
ELK-800 v.2 Installation
Wiring Connections
POWER: Connect to a good quality 12 to 24 volts A.C. or D.C.** Power Source. No Polarity.
D.C. Power is recommended for a cleaner output.
**NOTE: The ELK-800 is primarily designed for short duration (intermittent) paging
applications. For long durations, such as playing music, you may need to reduce the
volume output, or lower the power input voltage, or lower the speaker loading in order to
keep the ELK-800 from overloading and shutting down.
INPUT:
Connect an audio input source. ie: microphone, telephone PBX or KEY system paging
output, etc., even an ordinary single line phone set (see diagram below).
SPEAKER: Two (2) ohm maximum load. Speakers may be series/parallel wired for multiple
speaker combinations up to 16 speakers.**
Volume Control
Turn the volume control clockwise (CW) to increase volume. Adjust to a comfortable level.
Power Supply Wire Sizing
Number Wire Length (ft)
of Speakers 24 AWG 22 AWG
POWER INPUT SPEAKER
ELK-800
Volume
Increase
4 10 0 16 0
2 2 0 0 32 0
1 4 0 0 64 0
Power
Supply
Power Input
12 Volts DC
Audio Input
Speaker
Output
Input Wire Sizing
When using a remote power supply and 24 AWG wire, the length of the audio wire should be
limited to 3000 feet with a maximum of four (4) ELK-800 amplifiers connected. Standard telephone
twisted pair wire is a good choice for the audio wire run.
Recommended Speaker Spacing for Paging Applications
Ambient Sound Level Location Speaker Spacing
Quiet 50 to 65db Offices 120 feet (14,400 sq. ft.)
Moderate 65 to 80db Light Manufacturing 90 feet (8,100 sq. ft.)
Noisy 80 to 90 db Heavy Manufacturing 60 feet (3,600 sq. ft.)
Very Noisy +90db 40 feet (1,600 sq. ft.)
Basic Public Address "PA" System
Note: DO NOT connect to phone company lines
ELK-800
Volume
Increase
GREEN
SPEAKER
RED
STAND
ALONE
PHONE
1000 ohm
1/2 watt
Resistor
Power
Input
12 to 24
Volts D.C.
ONLY
POWER INPUT SPEAKER
+
-
Example: Three Speakers on an ELK-800
Total Resistance = 6 OHMS
ELK-800
POWER INPUT SPEAKER
2 SPEAKERS in SERIES
1 in PARALLEL
Volume
Increase
THREE
8 OHM
SPEAKERS
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