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Find your unit and click on links below. These are our kits and product instructions
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AL80B, AL572, AL800, and AL800H Factory Error Correction AL8X Kit
Latest AL811 Fan Kit using Circuit Board (released Sept 2024)
AL811 AL811H Cooling Fan Kit (Be Cool kit) with two loose Zener bias diodes PDF File
Fan Mod AL811 AL811H (Rev 1) PDF file
AL811 and AL811H Upgrade Kit Instructions (Rev3A modified April 3, 2024)
AL811 AL811H TPS3 TPS4 parasitic suppressor upgrade instructions pdf file
AL1200 AL1500 AL82 UNSS Step Start
AL1200 AL82 AL1500 F33-4500 Filter Capacitor boards PDF file instructions (latest)
AL1500 and QSK Filter Capacitor Additional Instructions (old)
AL1200 AL1500 AL82 F33 Filter capacitor board install (old)
AL1200 AL82 AL1500 UNRS Universal replacement antenna relay instructions
AL82 AL1200 TOF Install
ALS600 LDMOS Instructions
Collins 30L-1 soft key relay buffer and bias kit (same as SB200)
Collins 30L-1 URB relay buffer with arc protection kit (200KP) instructions (same as SB200 uses)
Dentron Clipperton Choke and Suppressor Installation Manual link pdf file
Heathkit SB200KP arc protection and relay buffer kit instructions (same as 30L-1 uses)
Heathkit SB200 Heathkit Relay Buffer Install and URB200BMK
Heathkit SB200 SB220 Relay Installation Heathkit K1 69-55 relay, Heathkit 69-5 relay Install
Heathkit SB220 Filter Capacitor Board instructions revised July 12, 2024
Heathkit SB220 Rectifier Bias Metering Board
Heathkit SB220 Relay Buff Internal UNRB220 Install
PKR-1 (ATP 100 ATP 102 replacement) Manual
Kenwood X54-1300-10 pdf
Relay Installation OEM Style Ameritron AL80, AL80A, AL1200, AL1500, AL82 and SB-1000 Heathkit
TOF Installation overview of wiring (Aug 1, 2022)
TOF Install AL82 AL1200
TOF in AL80B and AL1500 style amplifiers Rev1a
TOF Install AL811 series
UNSS (soft-start step-start) Generic Installation
This upper page section is for kit and instruction papers. Technical papers are below.