These baluns and ununs can be used for impedance matching and also as End Fed halfwave antenna matching transformers to 50 or 75 ohm coax cable.
HF Linear Amplifier RFI Kit - Henry 1K, 2K, 3K, 4K, 5K, 8K - 4 Filters for RF In/Out, AC power, Relay/PTT
Product Details
MPN: RFI-LA-HY
Filter Power Rating (PEP watts): coax cable limit
RFI Suppression Range (MHz): 1-100 MHz
This is a generic linear amplifier RFI kit for AC powered amplifiers. Works on many popular amplifiers including:
ALPHA models – all AC models including 76, 77, 78, 86, 87A, 89, 91B, 99, 274, 374, 8100, 8406, 8410, 9500
AMERITRON models – all AC models including AL80A, AL80B, AL82B, AL572, AL800, AL800H, AL811, AL811H, AL1200
HEATHKIT models – all AC models including SB200, SB201, SB220, SB221, SB230, HA10, HL2200, SB1000
HENRY RADIO models – all AC models including 1K, 2K, 3K, 4K, 5K, 8K
KENWOOD models – all AC models including TL922, TL922A
All AC powered rigs like B&W, Collins, Command, Dentron, Drake, Gonset, Hallicrafters, Hammarlund, Hunter, Icom, Palomar, Palstar, QRO, SBE, Swan, Tokyo Hy-Power, Yaesu
Included are the following chokes and installation guidelines:
RF Input: F240 toroid – 5-9 turns of RG-58 size through center
RF Output: FSB-1 (Big Clamp on) – 3 turns of RG-8 size cable
Relay Cable: FSB-1/2 – multiple turns through choke – ½” diameter hole
AC Power Line: FSB-1 (Big Clamp on) – 3 turns through center
