Crane AT12 Line Audio Attenuator

The Crane AT12 100 Volt Line Audio Attenuator is constructed as an industrial specification low loss 100 Watt attenuator that can also boost 50 Watt to + 3 dB , 25 Watt to + 6 dB, 12,5 Watt to +9 dB and 6 Watt to + 12 dB.

The unit attenuates from unity gain to -30 dB in 12 equal steps. The 12th step has infinite attenuation.

Product specifications

Application Public address and intercom systems
Input 50-, 70 and 100 Volt line audio propagation systems
Input / Output connectors 4 x Screw terminals
Output 6 to 100 Watt RMS
Construction E-core auto-transformer on fiberglass PC inside ABS housing
Power requirement No external power required
Dimensions 105 x 75 x 80mM
Weight 500G

International Limited Warranty

Crane Electronics cc (Crane) warrants to the first purchaser of the this product that it is free from material and workmanship defects. Crane's sole obligation under this warranty shall be to provide necessary parts and labour to correct defects, if any, which appear within twelve (12) months from date of purchase. This warranty does not cover appearance, or if the equipment has been, according to Crane's judgement:

    Subjected to misuse, abuse, negligence or accident
    Repaired or otherwise altered by persons not authorised by Crane
    Connected, installed, adjusted or used for a purpose other than that    for which it was designed

To the maximum extent permitted by applicable law, in no event shall Crane be liable for any special, incidental, indirect, or consequential damages whatsoever, including, without limitation, damages for loss of business profits or business interruption, arising out of the use or inability to use this product.


Battery Charger 403/12

Please note that this unit must be installed by a trained technician only. Failure to do so may invalidate this warranty.

The voltage for this unit is factory adjusted for either 110V or 220V AC. Before installing,please ensure that the unit is set to the correct voltage for your country.



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