Dedicated to the repair and restoration of vintage tube radios
TEST AND ALIGNMENT BENCH
From left to right:
Multi-impedance 8 inch PM test speaker in mahogany cabinet
(above speaker) Simpson 260 multimeter ("Old Reliable")
Sprague Tel-Ohmike TO-6A capacitor analyzer
(top) HP 428B Clip-On DC Milliammeter 1ma - 10amp in 9 ranges, No need to open B+ lines to check current
(bottom) HP 200CD Wide Range Oscillator 5hz - 600khz (sine wave) in 5 ranges
(middle, top) HP 410C VTVM Frequency response to 700mhz
Ballantine 3028B DVM
Keithley 169 DVM
(above large center unit) HP 3490A DVM 5 1/2 digits, 4-wire ohms
HP (Boonton) 202H AM/FM Signal Generator 54 - 216mhz in 2 bands, built like a tank - almost as heavy!
(bottom, center) HP 606B AM Signal Generator 50khz - 65mhz in 6 bands, extremely accurate and stable
(to right of 202H) HP 5382A 225mhz Frequency Counter To keep check on the vintage signal generators!
(to right of 606B) HP 400H Audio VTVM -60 - +50db in 12 ranges
(to right of fan) Fluke 8000A/BU DVM
HP 3435A DVM (can't have too many DVM's)
Tektronix 475A DC - 200mhz Oscilloscope
Heathkit IT-12 Audio-Visual Signal Tracer Modified so probe can be removed when not in use
Hickok 600A Mutual Conductance Tube Tester
Not shown:
Sencore MU150 Emission/Mutual Conductance Tube Tester For testing "modern" tubes
Precision 915 Countertop Tube Tester For "backup"
PACO G-15 Grid Dip Meter 400khz - 250mhz in 8 ranges
*Also in above picture:
Vintage GE electric fan keeps equipment (and me) cool when the going gets rough!
(on extreme right-hand side of photo) One of my favorite old Philco's keeps me company while I work . . .