Description
NOTE: AH-4 AUTO ANTENNA TUNER IN BRAND NEW CONDITION NEVER BEEN USED
AH-4: The AH-4 is designed for use with all Icom HF transceivers. It stores up to 45 memory channels with minimum SWR settings to provide quick re-tuning. Weather-resistant construction, easily fitted in a variety of locations. No adjustments are necessary, just connect the control and antenna cables. Tunes a wide frequency coverage from 3.5 to 50 MHz with a 7 m or longer wire antenna.
Specifications:
Frequency Coverage: 3.5 MHz to 54 MHz (with a long wire antenna, 7 m; 23 ft or longer) 7 MHz to 54 MHz (with an optional AH-2b)
Maximum input power: 120W PEP
Power supply requirement: 13.8 V DC±15% (negative ground)
Current drain: Less than 1 A
Auto tuning accuracy: VSWR 2.0:1 or less
Tuning time: Approximately 2 to 3 seconds (Maximum 15 seconds)
Number of memory ch: 45
Input impedance: 50 Ω
Weight: 1.2 kg; 2.65 lb
Dimensions: (projections not included) 172(W) x 71(H) x 230(D) mm ; 6.77(W) x 2.8(H) x 9.06(D) in
Compatible with: Icom 703, 703+, 706 MkIIG, 718, 746, 746Pro, 756, 756Pro, 756ProII, 756ProIII, 7000 and 7300.
