User manual RUSSOUND ACP-1DU 1

[. . . ] The AB-1. 2 A / B switch is equipped with removable modular snap connectors for ease of installation. These connectors may be pre-wired separately and simply plugged in when the ACP-1DU is installed in the wall box. Identify the correct impedance-matching chart according to the amplifier's minimum impedance. [. . . ] 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. The Russound ACP-1DU is fully guaranteed for a limited lifetime warranty from the date of original purchase against all defects in materials and workmanship. During this period, Russound will replace any defective parts without charge for either parts or labor. For this warranty to apply, the unit must be installed and used according to its written instructions. Accidental damage and shipping damage are not considered defects under the terms of the warranty. Russound assumes no responsibility for defects resulting from abuse or servicing performed by an agency or person not specifically authorized in writing by Russound. Damage to or destruction of components due to improper use voids the warranty. In these cases, the repair will be made at the owner's expense. Fig. 1 Impedance Matching Charts For UltraMatchTM Impedance Matching For 4 Ohm Amplifiers 8 Ohm Pairs 0 1 2 3 4 5 6 7 8 0 1X 2X 4X 4X 8X 8X 8X 8X 1 1X 2X 4X 4X 8X 8X 8X 8X 2 1X 2X 4X 4X 8X 8X 8X 8X 3 2X 4X 4X 8X 8X 8X 8X 4 2X 4X 4X 8X 8X 8X 8X 5 4X 4X 8X 8X 8X 8X 6 4X 4X 8X 8X 8X 8X 7 4X 8X 8X 8X 8X 8 4X 8X 8X 8X 8X 9 8X 8X 8X 8X 10 8X 8X 8X 8X 11 8X 8X 8X 12 13 14 15 16 8X 8X 8X 8X 8X 8X 8X 8X 8X Impedance Matching For 8 Ohm Amplifiers 8 Ohm Pairs 0 1 2 3 4 0 2X 4X 8X 8X 1 1X 4X 8X 8X 2345678 2X 4X 4X 8X 8X 8X 8X 4X 8X 8X 8X 8X 8X 8X 8X 8X Warranty · Dimensions: 2-5/8" W x 1-3/4" H x 2-5/8" D (fits standard double-gang junction box) · Connectors: Removable modular snap type Accepts up to 14 gauge wire · Attenuation: 12 steps, including "off" Total attenuation of 43dB · Frequency Response: · Power Rating: 126W, 42W RMS, continuous per channel Specifications 20 Hz to 20 kHz 5 Forbes Rd. Newmarket, NH 03857, USA Tel 603. 659. 5170 · Fax 603. 659. 5388 e-mail: tech@russound. com 28-0029 Rev. 1 Wall Mount Stereo Volume Control with A / B Switch Instruction Manual ACP-1DU Jumper Settings for Impedance Matching (continued) 3. Determine the impedance for each pair of speakers by referring to its manual. Set the jumpers to the appropriate X setting as shown in Figure 2. NOTE: To avoid problems with certain types of amplifiers employing bridging outputs or isolated grounds, the L and R (-) grounds are separate. If a 3 wire system or common ground amplifier is used, the L- and the R- inputs of the ACP-1DU should be jumpered together. If one channel ground is open, that channel will appear to drop out when the volume control is rotated. The L- and the R- connections are placed adjacent to enable this type of connection, and to reduce short circuits. The ACP-1DU comes with the AB-1. 2 Speaker Out connector prewired to the volume control Input connector. Connect the left speaker L+ and L- wire leads to the corresponding marked openings in the volume control's Output connector. [. . . ] Snap the lever down on the connector, making sure that the exposed bare wire is engaged. Connect the leads from the "B" Amplifier to the Amp "B" Input snap connector in the same manner as described in step 2. EZB CONNECTING BLOCKS The EZB-1-SC and EZB-2-SC connecting blocks are Russound accessories that simplify connections of multiple volume controls and speaker pairs. The EZB-1SC is a neat, compact wiring device capable of connecting four volume controls to an amplifier's outputs. [. . . ]