Curve Tracer ASA HW-210K review

RF chokes for solid state conversion projects

R392 Solid State Conversion

Ford F150 emergency brake light stays on

Tube Test Socket Extension 7,8,9 pin

R390A Break-in Relay Repair

BC453 Solid State Conversion

Ultrasonic Cleaner Teardown and Reverse Engineering

BC455B Solid State Conversion

Hammarlund SP-600-JX1 Solid State

SHURE M68FCA hum

R390A Solid State Conversion Video #2

R390A Solid State Conversion Video #1

BC-454-B Receiver Solid State Conversion

BC348-H,K,L,R solid state conversion

Lepy LP-2020A Compared to Lepai LP-2020A+

BC348Q, BC348-N, BC348-J Solid State Conversion

Hammarlund HQ-110A, Hallicrafters SX-100 Solid State Conversion

Heathkit VF-1 Trimmer add

Capacitor Tester, Neon Lamp

Nida 444 Service Manual also for Protek B-801, DFG-600 and 8205A

Heathkit VF-1 Solid State Conversion

Heathkit VF-1 Shaft Extension

Hammarlund HQ-100 HQ-100A BFO Fix

Hammarlund HQ-170 Hints and Kinks

Hammarlund HQ-170 Antenna Trimmer Relocate

Amplified Signal Tracer Probe with Speakers

Heathkit HG-10 VFO solid state conversion #1

Hammarlund HQ 170A Sideband/Selectivity Switches

Heathkit DX-60 repairs and mods