Worldwide unique design : High-efficiency 49:1 transformer + RF choke in the same package
*** 1,5KW SSB / 400W FT8 ***
*** From 80 up to 10m ***
==> Get the best and unique worldwide combo & legal limit EFHW + RF choke !!!!!!!!!!!
49:1 transformer :
- Efficiency measured > 85% from 80 up to 10m (160m usable at reduced power)
- Closewound windings + autotransformer (14/2 turns ratio)
- Genuine 3x FT240-52 from Fair-rite + 6Kv capacitors from TDK ==> unique design on the market !
- Toroid stack protected by double-layer of fiberglass tape for better heat protection
- Output on ceramic insulator + M6 stainless steel A4-grade screw
- High-end 1,8mm enameled copper wire, double-coated, 210°c and > 10Kv insulation (spec IEC 60317-13)
- SWR < 1,6:1 on a 2450 Ohms load on ALL bands !
The RF choke
- Genuine 2xFT240 toroid from Fair-Rite
- RG142 double shielded coaxial cable
- Covers from 160 up to 10m with > 33dB of common mode rejection, with Rs>Xs and losses < 0,15dB
- Dimensioned for 2KW power rating !!!!
The box
- 20x12cm waterproof ABS box
- SO239 for 50 Ohm input
- Counterpoise connection = stainless steel A4-grade (316 inox)
- Stainless steel A4-grade eyebolt for free suspension
- 2x vent valves included, to avoid condensation and cool down the core.
RF choke
All devices are checked before shipping and I ship worldwide !
Made in France, by a ham, for hams !