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Explains the HDS-4 connects up to four speaker pairs and warns against using amplifiers over 250W per channel.
Connect HDS-4 to speaker position 'A' only; avoid 'B' to prevent low impedance load issues.
Use #18-#8 gauge wire, strip 5/16", twist ends, insert firmly, and ensure correct positive/negative terminal connections.
Select or deselect speaker pairs by pressing the corresponding buttons for playback.
Ensures safe operating load by setting the protection switch based on speaker configuration and impedance.
Lists maximum power handling (250W/channel), dimensions, and weight (3 lbs).
Illustrates connecting four speaker pairs to a receiver using the HDS-4.
Shows HDS-4 connection to a tube amplifier, including a 150-ohm resistor for safety.
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