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jim_beacon · 22nd Jul 2004, 11:18 pm

The 1155 is designed to drive low impedance headphones (approx 30 ohm), or the intercom amplifier of the aircraft (usually A1132). Most other airborne equipment is similar in its ouput.

Jim.

22nd Jul 2004, 11:18 pm	#5
jim_beacon Retired Dormant Member Join Date: Mar 2003 Location: Bishop's Waltham, Hants, UK. Posts: 939	Re: Communication Receivers and Speakers The 1155 is designed to drive low impedance headphones (approx 30 ohm), or the intercom amplifier of the aircraft (usually A1132). Most other airborne equipment is similar in its ouput. Jim.