User manual RUSSOUND WCN-12
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Manual abstract: user guide RUSSOUND WCN-12
Detailed instructions for use are in the User's Guide.
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BUTION A A / V D DI IS S TT RR I I B U T I O N /V
& &
C O NN T TR ROO L S S Y T E M M S L YSSTES CO
Instruction Manual
Impedance-Matching Audio Distribution System
F TO AU
4 3 2 1
-R L- R L+
WCN-12
OR
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R
5
+ -R L- R L+ -8
3-4 2
L- R
6
+ -R
1
SPE
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12 11 10
L+
9 8 7
L+
F TO AU
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-12
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REV. Description
The WCN-12 audio distribution system is a highly-efficient impedance-matching distribution block designed for use with 12 pair of either 4 ohm or 8 ohm speakers, and 4 to 8 ohm amplifiers. Russound precision-wound autoformers ensure the highest fidelity and efficient amplifier operation, and are designed for use with amplifiers whose frequency range DOES NOT extend below 20 Hz. [. . . ] If external volume controls are used, connect speaker wire from the appropriate speaker connector on the WCN-12 to the volume control input.
3. Operation
All the connected speakers will be driven when the amplifier is operating. To ensure safe operation of the amplifier, an impedance level for the system must be selected using the rotary switch on the WCN-12. The switch must be set based on the following conditions: · If the amplifier and the speakers are both 4 ohms, set the rotary switch to the number of pairs of speakers connected to the WCN-12. · If the amplifier and the speakers are both 8 ohms, set the rotary switch to the number of pairs of speakers connected to the WCN-12. · If the amplifier is 8 ohms and the speakers are 4 ohms, set the rotary switch to TWICE the number of pairs of speakers connected to the WCN-12. · If the amplifier is 4 ohms and the speakers are 8 ohms, set the rotary switch to HALF the number of pairs of speakers connected to the WCN-12.
4. Setting System Volume
It is important to properly adjust an impedance-matching system to avoid distortion or DC clipping (DC voltage will be produced from an amplifier that is overworked or that has an improper load). These can cause an amplifier/receiver to go into protection, and can cause autoformers on volume controls to heat up, damaging system components. To set up the system, the amplifier/receiver volume should be at its lowest setting, and the in-wall/selector volume control should be at the highest setting. Slowly adjust the amplifier/receiver volume to a level that is acceptable for the amplifier without clipping.
5. Specifications
Power Rating/channel: 200 watts Power Handling 100 watts RMS/channel, continuous 300 watts peak Terminals: Removable modular color-coded snap connectors accept up to 14 gauge wire Impedance: Use with 4 ohm or 8 ohm amplifiers Mount: Standard 19" open frame allows rack or stud mounting Dimensions: 19"W x 3"H x 3"D (48. 3 x 8. 9 x 7. 6 cm) Weight: 5 lb. (2. 3 kg)
Speakers
Optional ALTx-2sc impedance-matching volume controls
L+ L- R- R+
L+ L- R- R+
1
2
3
4
5
6
AUTOFORMER
L+ L- R- R+
5-8 3-4
2
1
SPEAKER OUTPUT
L+ L- R- R+
9
Russound WCN-12
L+ L- R- R+ AMP INPUT
7
8
9
10
11
12
LFP-1
10-12
INPUT L+ L- R- R+
OUTPUT L+ L- R- R+
RUSSOUND LFP-1
DPA-4. 8 amplifier
AP-48
AUDIO AMPLIFIER
4
ZONE
--
8
1
2
3
4
POWER
ZONE
Connection Diagram for Russound WCN-12 Audio Distribution Board (not to scale)
IN
IN
WCN-12
AUTOFORMER
Modular snap connector (detail)
Modular Snap Connector Wiring Order WHITE -- L+ (left channel positive) GREEN -- L- (left channel negative) BLACK -- R- (right channel negative) RED -- R+ (right channel positive)
CHANNEL
AMPLIFIER
DPA-4. 8
6. Optional Accessories
LFP-1 Low Frequency Protection Circuit ALTx-2sc Impedance matching stereo volume control
7. Warranty
The Russound WCN-12 are fully guaranteed for Ten (10) years from the date of purchase against all defects in materials and workmanship. During this period, Russound will replace any defective parts and correct any defect in workmanship without charge for either parts or labor. [. . . ] Any Russound product purchased from an unauthorized dealer or other source, including retailers, mail order sellers, and online sellers will not be honored or serviced under existing Russound warranty policy. Any sale of products by an unauthorized source or other manner not authorized by Russound shall void the warranty on the applicable product.
5 Forbes Rd. Newmarket, NH 03857 603. 659. 5170 · Fax 603. 659. 5388
e-mail: tech@russound. com [. . . ]
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