vysokoimpedanční (primární) regulátor hlasitosti s autotrafem, 20 W/100 V, 3-drát nuc. poslech, bílý/černý/stříbrný knoflík, bez rámečku < AT 20T volume control is made of a control circuit having a 6 position (5 + off) selector and a separated transformer.
• It can be used in 100 V line systems to adjust the volume level of a loudspeaker group having a total power not exceeding 20 W.
• All connected loudspeakers shall have 100 V line matching transformers.
• It can be set (through an internal jumper) to operate with 3 wire lines (in order to make emergency announcements at the max. volume).
• AT 20T can be installed on whichever supporting frame for home / office electrical systems by drilling a hole in a blank key and fixing its control circuit.
• 3 knobs are included in 3 different colours: white, silver, anthracite.
• The transformer can be put inside the wall / flush-mounted box (where the control circuit is). .
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Features:.
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Attenuator for constant voltage systems, max 20W
• Universal mounting on any standard European electrical wall plate.
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General specification: .
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• Input voltage: 100 V
• Output voltage: 100 – 70 – 50 – 35 – 25 – 0 V
• Maximum power: 20 W
• Attenuation: 0 dB – 3 dB – 6 dB – 9 dB – 12 dB – OFF
• Max Depth: 50 / 1.96 mm/inch
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Physical specification: .
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• Height: 53 / 2.08 mm/inch
• Width: 35 / 1.37 mm/inch
• Depth: 68 / 2.67 mm/inch
• Net Weight: 0.16 / 0.35 Kg/Lbs
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Shipping information: .
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• Package height: 120 / 4.72 mm/inch
• Package width: 70 / 2.75 mm/inch
• Package depth: 75 / 2.95 mm/inch