CTR Engineering, Inc
CTR Engineering website
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Welcome To CTR Engineering, Inc
Custom Manufactured Products and Sales
Automotive Components
Antennas
Connectors
Ameritron (and other) Amplifier Repair Service
AL80B AL572 AL800 AL800H Correction Kit (AL8X Kit)
Ameritron AL1200 AL1500 AL82 Upgrade Boards
Filter Capacitor Board AL82 1200 1500 installation
Ameritron 811 and 811H Upgrade Kits
AL811 and AL811H Fan Kit
EBM G2S085 G2E085 Blowers
Heathkit Drake Dentron Parts
SB220 SB200 SB-221 SB201 Relay 120Vdc
Heathkit SB-200 Collins 30L-1 kit
SB220 Heathkit, Drake L4, TenTec, Collins, Henry high voltage filter capacitor
811A 572B 3-500Z Vacuum Tubes For Sale
RF Chokes, RF Switches, RF Capacitors, and other parts
Fixed Capacitors
RF Switches Medium and High Power
RF Chokes and Inductors
Power Supply Plugs and Connectors
Relays
TOF-1 Amplifier Tuning Aid
RF Transistors and Semiconductors
HV Tester
Kenwood TL922 X54-1300-10 Boards
Universal High Quality Power Supply Boards
Rectifier Bank
Universal Relay Line Buffer
Universal Step-Start System
Amplifiers and Equipment Yard Sale
Download Files Page
Contacting Us (please read)
Dailey 1948 Designing Thoriated Tungsten Filaments
October 30, 2021