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 DAVID RIDDLE COMPANY

DAVID RIDDLE COMPANY

 Maintained by:
 EMMY AWARD WINNING DAVID RIDDLE IS THE MOST KNOWLEDGEABLE SOURCE SPECIALIZING IN PROFESSIONAL VIDEO, AUDIO, PHOTOGRAPHY, SCIENTIFIC, ELECTRONIC TEST AND MEASURE EQUIPMENT. MR. RIDDLE HAS 40 YEARS OF EXPERIENCE AND IS AVAILABLE M-F FOR FREE CONSULTATION,FREE EXPERT ADVICE,AND FREE TECHNICAL SUPPORT.

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666 results found in all categories
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HP 6434B 0-40V@0-25A REGULATED DC POWER SUPPLY REBUILT!
 
Buy it now$649.00Time left:13d 3h 48m
USA 0-30 AMPS VARIABLE REGULATED ELECTRO PLATING TYPE II ANODIZING DC RECTIFIER
 
Buy it now$649.00Time left:13d 6h 36m
LAMBDA EMS 20-30-1-D 0-20V@0-30A DIGITAL REGULATED VARIABLE DC LAB POWER SUPPLY
 
Buy it now$649.00Time left:13d 6h 36m
1KW BATTERY SOLAR PANEL ARRAY SIMULATOR DC POWER SUPPLY CURRENT SOURCE CHARGER
 
Buy it now$649.00Time left:14d 3h 45m
USA 0-30V@0-33A AIRCRAFT PLANE ELECTRICAL SYSTEM TEST 12 28 VOLT DC POWER SUPPLY
 
Buy it now$649.00Time left:17d 23h 51m
0-30V@ 0-33A DIGITAL AUTOMATED COMPONENT AGING BURN-IN OVEN TEST DC POWER SUPPLY
 
Buy it now$649.00Time left:17d 23h 51m
TEN 3300D-3033 0-30V@ 0-33A SEMICONDUCTOR WAFER PROCESS CONTROL DC POWER SUPPLY
 
Buy it now$649.00Time left:17d 23h 51m
USA MADE 0-30V@ 0-33A SEMICONDUCTOR PROCESS LED LIGHT BURN IN DC POWER SUPPLY
 
Buy it now$649.00Time left:17d 23h 51m
NEW WESTERN ELECTRIC VARIAC FOR VINTAGE 300B 2A3 TUBE AUDIO AMPLIFIER RACKMOUNT
 
Buy it now$589.00Time left:1d 4h 49m
STACO E1010VAW VOLTS AMPS WATTS TRIPLE ANALOG METER 1400W LAB VARIAC VARIABLE AC
 
Buy it now$589.00Time left:1d 5h 26m
USA MADE 240 VOLT DUAL METERED VARIAC 4 AUDIO RESEARCH 600MKIII STEREO TUBE AMP
 
Buy it now$589.00Time left:1d 22h 43m
LAMBDA LLS9018 DIGITAL PROGRAMMABLE 0-18V@0-45A REGULATED BENCH DC POWER SUPPLY
 
Buy it now$589.00Time left:4d 4h 40m
TECHNIPOWER GENERAL RADIO GENRAD GR W20MT3A DUAL ANALOG METERED VARIAC AC SOURCE
 
Buy it now$589.00Time left:5d 3h 32m
110-25,000 RPM FPM STROBE LIGHT NON CONTACT OPTICAL TACHOMETER SURFACE SPEED USA
 
Buy it now$589.00Time left:5d 23h 26m
110-25,000 RPM NON CONTACT OPTICAL VIBRATION ANALYZER BALANCER BALANCING TOOL US
 
Buy it now$589.00Time left:5d 23h 26m
10-400HZ NON CONTACT OPTICAL WOOFER CONE BREAKUP SUSPENSION DISTORTION ANALYZER
 
Buy it now$589.00Time left:5d 23h 26m
10-25,000 FPM OPTICAL ROTOGRAVURE OFFSET COLOR PRINTING REGISTRATION STROBE TOOL
 
Buy it now$589.00Time left:5d 23h 36m
NEW POWER TEN 3300D-4015 0-40V@0-15A DIGITAL VARIABLE REGULATED DC POWER SUPPLY
 
Buy it now$589.00Time left:7d 1h 39m
TECHNIPOWER GENRAD GENERAL RADIO W5MT3AW TRIPLE METERED TEST BENCH VARIAC  NEW
 
Buy it now$589.00Time left:7d 3h 29m
NEW WWII B17 RADIO TRANSMITTER DYNAMOTOR 28 VOLT DC VOLT 50 AMP METER SWITCH BOX
 
Buy it now$589.00Time left:8d 4h 9m
NEW GENERAL RADIO 240 VOLT MAINS METERED VARIAC FOR TUBE AUDIO AMP MCINTOSH C22
 
Buy it now$589.00Time left:9d 0h 58m
USA MADE 3100 WATT TESLA COIL JACOBS LADDER HIGH VOLTAGE NEON TRANSFORMER VARIAC
 
Buy it now$589.00Time left:9d 3h 11m
GENERAL RADIO W20MT3A 0-140V@0-18A DUAL METERED VARIAC AC TEST LIFETIME WARRANTY
 
Buy it now$589.00Time left:9d 5h 25m
SORENSEN DCR 40-25B 0-40V@0-25A METERED VARIABLE REGULATED DC TEST POWER SUPPLY
 
Buy it now$589.00Time left:10d 2h 20m
40 AMP COPPER NICKEL CHROME RHODIUM GOLD TIN PLATING ELECTRO FORMING RECTIFIER
 
Buy it now$589.00Time left:10d 3h 9m
AGILENT HP 6114A VARIABLE REGULATED DC CALIBRATOR POWER SUPPLY REFERENCE SOURCE
 
Buy it now$589.00Time left:11d 0h 58m
GR 230V DUAL METERED VARIAC 4 EUROPEAN MAINS POWER AUDIO TUBE AMPLIFIERS PRE AMP
 
Buy it now$589.00Time left:16d 4h 34m
SORENSEN USMADE DCR40-25B 0-40V@0-25A REGULATED METERED DC POWER SUPPLY AIRCRAFT
 
Buy it now$589.00Time left:18d 2h 57m
NIB NEW GENERAL RADIO TECHNIPOWER GENRAD W20 VARIAC 0-140V @ 20A KNOB DIAL PLATE
 
Buy it now$589.00Time left:19d 6h 10m
USA MADE GENERAL RADIO W20HMT3A 0-280V@ 0-8A DUAL METERED VARIAC LIFETIME GUAR.
 
Buy it now$589.00Time left:20d 22h 47m
DUAL METERED 3000 WATT VARIAC 4 AUDIO RESEARCH 600MKIII AUDIO TUBE AMP AMPLIFIER
 
Buy it now$589.00Time left:21d 2h 3m
GENERAL RADIO TRIPLE METERED VARIAC AC POWER LINE ANALYZER CONDITIONER REGULATOR
 
Buy it now$589.00Time left:21d 3h 44m
USA MADE 3K VARIAC LIGHTING LIGHT DIMMER FOR MOLE RICHARDSON QUARTZ PAR FRESNEL
 
Buy it now$589.00Time left:22d 6h 5m
SIGMA VSS VIDEO AUDIO CAMERA WAVEFORM MONITOR SWITCHER
 
Buy It Now or Best Offer$589.00Time left:23d 19h 18m
NEWBOX APS230 2CH HANDHELD DIGITAL STORAGE OSCILLOSCOPE
 
Buy It Now or Best Offer$589.00Time left:23d 19h 19m
GVG TEN-XL VIDEO AUDIO CAMERA WAVEFORM MONITOR SWITCHER
 
Buy It Now or Best Offer$589.00Time left:24d 4h 18m
GENERAL RADIO 1531-AB STROBOTAC RPM STROBE LIGHT TACHOMETER PROPELLER PITCH FAN
 
Buy it now$589.00Time left:25d 21h 42m
USA MADE STACO 1400W TRIPLE METERED BENCH VARIAC FOR TUBE AUDIO AMPLIFIER PREAMP
 
Buy it now$589.00Time left:27d 5h 42m
LEITCH X PLUS SERIAL 601 DIGITAL VIDEO ROUTING SWITCHER
 
Buy It Now or Best Offer$549.00Time left:23d 22h 51m
NEW SONY HD COLOR MONITOR VINTAGE COMPUTER COMMODORE IBM VGA CGA EGA RGB S-VIDEO
 
Buy It Now or Best Offer$489.00Time left:23h 2m
USA MADE TECHNIPOWER W10MT3A 0-10A DUAL METERED VARIAC LIFETIME GUARANTEE   NEW
 
Buy it now$489.00Time left:1d 0h 16m
US MADE VIDEO AUDIO RECORDING STUDIO NO NOISE 1200W VARIAC WALL LIGHTING DIMMER
 
Buy it now$489.00Time left:1d 4h 39m
KEPCO APH 1000M 0-1000V 1KV VARIABLE REGULATED HIGH VOLTAGE DC LAB POWER SUPPLY
 
Buy it now$489.00Time left:2d 0h 22m
GENERAL RADIO GR W10MT3A DUAL METERED VARIAC 4 WESTERN ELECTRIC 300B TUBE AUDIO
 
Buy it now$489.00Time left:3d 3h 41m
TECHNIPOWER GENRAD W10MT3A DUAL METERED VARIAC 4 AMPEG HERITAGE SERIES HSVT-CL
 
Buy it now$489.00Time left:3d 3h 43m
 USA MADE DUAL METERED VARIAC FOR AUDIO RESEARCH VTM200 AUDIO TUBE AMP AMPLIFIER
 
Buy it now$489.00Time left:3d 4h 28m
NIB SONY MULTISYNC COLOR MONITOR VINTAGE COMPUTER AMIGA ATARI TRS TTL DIGITAL
 
Buy It Now or Best Offer$489.00Time left:3d 22h 17m
VIDEOTEK APM-200 STEREO AUDIO VU LED LEVEL METER PHASE MONITOR AMP SPEAKER VIDEO
 
Buy It Now or Best Offer$489.00Time left:4d 4h 4m
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