Russound SDB-2.1 Manual

Russound Hi-Fi system SDB-2.1

Læs gratis den danske manual til Russound SDB-2.1 (4 sider) i kategorien Hi-Fi system. Denne vejledning er vurderet som hjælpsom af 2 personer og har en gennemsnitlig bedømmelse på 5.0 stjerner ud af 1.5 anmeldelser. Har du et spørgsmål om Russound SDB-2.1, eller vil du spørge andre brugere om produktet?

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Side 1/4

SDB Series

Dual Source Speaker Selectors

Installation Manual

2 3 4 5 6

SDB-6.1

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2 Russound SDB Series Installation Manual

Rev. 5

Description

The SDB-2.1, SDB-4.1 and the SDB-6.1 are high-power, dual-source, autoformer-

based speaker selectors with individual volume controls for 2, 4 or 6 areas/rooms.

Dual-source operation means either one of two dierent ampliers/receivers

can be chosen to power selected speakers independently. For example, you can

choose to listen to jazz music in a couple of rooms and classical music in all the

others. Each room has its own input selector, volume control and on/o switch,

located on the front of the unit. The SDB speaker selectors work with all speakers

rated from 4 to 8 ohms, and ampliers rated for 4 to 8 ohm loads.

Setting the Impedance

The impedance of the autoformers in SDB speaker selectors is set at the factory

to be proper for most applications. The SDB-2.1 comes set at 2X; the SDB-4.1

at 4X; and the SDB-6.1 at 8X. However, if certain applications require changing

the impedance setting, simply remove the cover of the unit and re-position the

jumpers on the autoformers to the necessary impedance-matching setting.

Russound SDB Speaker Selectors autoformers can be set to impedance-matching

settings of 2X, 4X or 8X.

Determine the amplier’s minimum impedance. Consult the individual 1.

product specications or the back panel of the amplier near the speaker

terminals. AC impedance is measured in ohms.

Identify the correct impedance-matching chart below according to your 2.

amplier’s minimum impedance: either for a 4 ohm amplier or an 8 ohm

amplier. If your amplier is 6 ohm stable, use the 8 ohm chart.

Determine the impedance for each pair of speakers (see its manual). 3.

Determine the total number of 4 ohm pairs of speakers (rows on charts). 4.

Determine the total number of 8 ohm pairs of speakers (columns on 5.

charts).

Use the appropriate row and column to determine jumper settings. 6.

proDuct DeScription / connectionS

Connections

All SDB models have 4-pole screw down removable terminals for speaker and

amplier connections. These accept wire up to 12 gauge.

Remove the terminal by rmly pulling it out of its 4-pole connector. Strip about

3/8” of insulation from the ends of all wires to be connected. If necessary, twist the

exposed conductor to insure that no loose strands exist. Insert the wire ends into

the screw down connector, being careful to observe proper channel and polarity.

Tighten the screws on the connectors. Connect the amplier(s) and each speaker

pair to the appropriate connector.

Speaker connections can support multiple speaker pairs wired in parallel or series,

provided their combined impedance is a minimum of 4 ohms.

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 amplier that is

overworked or that has an improper load). These can cause an amplier/receiver

to go into protection, and can cause autoformers on volume controls to heat

up, damaging system components. To set up the system, the amplier/receiver

volume should be at its lowest setting, and the selector volume control should be

at the highest setting. Slowly adjust the amplier/receiver volume to a level that is

acceptable for the amplier to produce without clipping.

Operation

To operate the SDB speaker selector, simply power the ampliers and select a source

for each amplier. At the speaker selector, turn on the selected pair of speakers and

select AMP A or AMP B. Set the volume by rotating the control clockwise to increase

volume or counter-clockwise to decrease volume. The SDB speaker selectors allows

operation of any combination of speakers selected to either amplier A or B.

0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16

0 - 1X 1X 2X 2X 4X 4X 4X 4X 8X 8X 8X 8X 8X 8X 8X 8X

1 1X 2X 2X 4X 4X 4X 4X 8X 8X 8X 8X 8X 8X 8X 8X

2 2X 4X 4X 4X 4X 8X 8X 8X 8X 8X 8X 8X 8X

3 4X 4X 4X 8X 8X 8X 8X 8X 8X 8X 8X

4 4X 8X 8X 8X 8X 8X 8X 8X 8X

5 8X 8X 8X 8X 8X 8X 8X

6 8X 8X 8X 8X 8X

7 8X 8X 8X

8 8X

Impedance Matching For 4-ohm Amplifiers

8-ohm irs Pa

4-ohm Pairs

0 1 2 3 4 5 6 7 8

0 - 1X 2X 4X 4X 8X 8X 8X 8X

1 2X 4X 4X 8X 8X 8X 8X 8X

2 4X 8X 8X 8X 8X

3 8X 8X 8X

4 8X

Impedance Matching r 8-ohm Amplifiers Fo

8-ohm irs Pa

4-ohm Pairs

Produkt Specifikationer

Mærke:	Russound
Kategori:	Hi-Fi system
Model:	SDB-2.1

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