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Manual
Surround Monitor Controller
Model 2489
One-point stereo and 5.1 volume control, source and speaker management
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Manual Surround Monitor Controller Model 2489 Version 1.0 – 6/2004 R &D: Wolfgang Neumann The information in this document has been carefully compiled and verified and is assumed to be correct. However, Sound Performance Lab (SPL) reserves the right to modify the product described in this manual at any time without prior notice. This document is the property of SPL and may not be copied or reproduced in any manner, in part or fully, without prior authorization by SPL. Limitation of Liabilit
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Contents Introduction ............................................................................................... 4 Before you begin ........................................................................................ 5 Power Supply .............................................................................................. 5 Rear panel/Connections ............................................................................. 6 Inputs and outputs ........................................
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Introduction The SPL Surround Monitor Controller (SMC) is a one-point analog volume control and switching matrix for system-independent 5.1 surround and stereo moni- toring. Designed to provide only the necessary functions with excellent audio quality, the SMC offers a uniquely cost-effective stereo and surround speaker and source management solution for essentially any audio application: • Surround and stereo production • DVD-V, DVD-A, SACD and DTS authoring • Film and video postproduction •
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Before you begin IMPORTANT: Before connecting the SMC or any other equipment turn off all power at all units. It makes good sense to think about where you place your SMC before connec- ting it. It should be positioned so that you can easily reach it, but there are other considerations. Try not to place it near heat sources or in direct sunlight, and avoid exposure to excessive vibrations, dust, heat, cold or moisture. It should also be kept away from transformers, motors, power amplifiers
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Rear panel/connections DAW/ Multitrack recorder CD/DAT player DA converter SACD/DVD player MAINS INPUT POWER Input A + C Input D Input B Sound Balanced Input Performance Lab L LFE LS L See Manual for Pin Configuration Surround Monitor SLAVE OUT Controller Model 2489 VOLTAGE SETTING / FUSE RATING R C RS R 220 – 240 V ~ 50 Hz / Fuse: 315 mA Made in Germany 110 – 120 V ~ 60 Hz / Fuse: 630 mA Stereo Speaker Outs Surround Speaker Outputs WARNING TO REDUCE RISK OF FIRE OR ELECTRIC SHOCK DO NOT EXPO
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Connectors The SMC enclosure is EMC-safe and effectively shielded against HF interfer- ence. Nonetheless, you should carefully consider where you place the unit to avoid electrical disturbances. The SMC and all devices to be connected should be turned off before connections are made or change to avoid damage to your speakers and ears. Inputs and outputs INPUT A & INPUT C (Sub-D 25; analog) This Sub-D connector provides balanced connections for INPUT A & INPUT C (INPUT A for six surround chan
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Operation Volume Control The volume is centrally controlled for all channels via a discrete six-level potentiometer with an extremely linear curve. The potentiometer controls the audio signals directly without any signal-degenerating circuitry such as VCAs or DACs, which tend to create tolerances between channels as well as distortion. The white circle with the potency scale can be easily marked using a pencil. Source Buttons Surround A/B and Stereo C/D The source buttons Surround A/B and
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Operation Speaker Buttons The speaker buttons enable each surround speaker output (L, C, R, LS, RS, LFE) and the stereo pair output to be switched on (pressed) and off indepen- dently. Tip: If you are not using a surround speaker set, you can connect two stereo speaker pairs to the SMC. Simply connect one pair to the Stereo Speaker Outputs and the second pair to the Surround Speaker Outputs L and R. Technical Specifications Input Impedance Balanced (Sub-D) 50 kOhms Unbalanced (RCA) ›10 kOhms
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Warranty All SPL products come with a two-year manufacturer’s guarantee against defects in material or assembly from the date of purchase. End users are supported in the two-year guarantee through their distributor or dealer. In such cases, please contact your dealer for full guarantee condi- tions and service. Direct SPL product support requires product registration. Please fill out the guarantee card enclosed in the package legibly in printed letters and send it directly to SPL. Or use t
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Notes ..................................................................... ..................................................................... ..................................................................... ..................................................................... ..................................................................... ..................................................................... ..................................................................... ....
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