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davidriddle

 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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ONE-OF-A-KIND CUSTOM ELECTRONIC TEST BENCH ART VINTAGE METERED VARIAC PHOTOS CD
 
Buy it now$9.99Time left:31m
150A 13V COPPER NICKEL CHROME ZINC SILVER GOLD TANK DC ELECTRO PLATING RECTIFIER
 
Buy It Now or Best Offer$989.00Time left:1h 50m
ELGAR 1751B DIGITAL 2KW VARIABLE AC POWER SOURCE SUPPLY 0-260VAC 45HZ-5KHZ 400HZ
 
Buy It Now or Best Offer$2,689.00Time left:2h 22m
KEPCO USA ATE-55-10M 0-55V@ 0-10A VARIABLE REGULATED DUAL METER DC POWER SUPPLY
 
Buy it now$489.00Time left:6h 21m
NEW GENERAL RADIO GENRAD TECHNIPOWER VB1 2AMP VARIAC BRUSH W2 W2M W2MT3 W5H M2
 
Buy it now$29.00Time left:23h 55m
USA POWERSTAT 116 VARIAC FOR VINTAGE TUBE AUDIO VALVE GUITAR AMP POWER AMPLIFIER
 
Buy it now$229.00Time left:1d 1h 43m
BEHLMAN BL3X350C-8-I-L VARIABLE FREQUENCY 50 400 HZ 3-PHASE AC POWER SUPPLY GPIB
 
Buy it now$3,989.00Time left:1d 1h 43m
POWER DESIGN TP340 TRIPLE OUTPUT VARIABLE REGULATED LINEAR BENCH DC POWER SUPPLY
 
Buy It Now or Best Offer$349.00Time left:1d 1h 58m
LAMBDA GEN 600-5.5 0-600V@ 0-5.5A DIGITAL VARIABLE DC POWER SUPPLY RS232 RS-485
 
Buy it now$2,189.00Time left:1d 2h 12m
HP 403B AC RMS VOLTMETER ANALOG 4 24-TRACK CALIBRATION TUBE LIMITER AUDIO STUDIO
 
Buy it now$289.00Time left:1d 3h 51m
EICO 1078 DUAL METERED VARIAC VARIABLE AC POWER CONTROLLER EQUIPMENT TESTER >NEW
 
Buy It Now or Best Offer$389.00Time left:1d 5h 0m
GENRAD GENERAL RADIO GR IET 1432-A PRECISION OHM DECADE RESISTOR BOX CALIBRATED
 
Buy it now$189.00Time left:1d 6h 53m
AGILENT HP 6299A 0-100V@0-.75A REGULATED VARIABLE LINEAR METERED DC POWER SUPPLY
 
Buy it now$289.00Time left:2d 0h 29m
NEW USA MADE MILITARY ELWYN 16PC METER DVM TEST LEADS SET PROBE BANANA PLUG CASE
 
Buy it now$19.19Time left:2d 1h 55m
NEW NOISE CANCELLING PORTABLE HANDS FREE 2 WAY FIELD HEADSET INTERCOM TELEPHONE
 
Buy it now$189.00Time left:2d 2h 23m
LAMBDA LCS-A-04 0-60V@ 0-.37A VARIABLE DC POWER SUPPLY NUCLEAR INSTRUMENTATION
 
Buy It Now or Best Offer$389.00Time left:2d 7h 26m
2 NEW CARTRIDGE HEATER IMMERSION PIPE THAWING BLOCK WATER FLUID HOT PROCESS WELL
 
Buy it now$24.99Time left:3d 1h 32m
KEPCO ATE 15-6M 0-15V@ 0-6A VARIABLE REGULATED METERED LAB BENCH DC POWER SUPPLY
 
Buy it now$249.00Time left:3d 3h 24m
KEPCO USA ATE-25-20M 0-25V@ 0-20A VARIABLE REGULATED DUAL METER DC POWER SUPPLY
 
Buy it now$449.00Time left:3d 4h 3m
NEW CUSTOM 330W METERED ISOLATED VARIAC AC POWER SUPPLY SOURCE TUBE AUDIO TESTER
 
Buy it now$449.00Time left:3d 7h 17m
NEW ULTRA BRIGHT 12 VOLT DC SOLAR WHITE LIGHT BOAT MARINE LIGHTING > LED LAMP
 
Buy it now$9.99Time left:4d 2h 40m
ORIGINAL GENERAL RADIO KNOB SET 4 FAIRCHILD 670 STEREO AUDIO LIMITER COMPRESSOR
 
Buy it now$449.00Time left:4d 3h 55m
BARCUS BERRY 1333 SUPER BOOST INSTRUMENT TRANSDUCER PICK-UP PREAMP PREAMPLIFIER
 
Buy It Now or Best Offer$49.00Time left:4d 6h 22m
GENERAL RADIO 1591-A 1KW PORTABLE GUITAR AMP AC POWER LINE REGULATOR CONDITIONER
 
Buy it now$489.00Time left:4d 6h 24m
DRCO USA CUSTOM MADE DUAL RANGE 0-2A 0-20A ANALOG SIMPSON AMPS METER FOR VARIACS
 
Buy It Now or Best Offer$289.00Time left:4d 6h 38m
USA LAMBDA EMS 30-80-2-D 0-30V@ 0-80A DIGITAL VARIABLE REGULATED DC POWER SUPPLY
 
Buy it now$1,289.00Time left:4d 6h 52m
HEPA FILTERED PRESSURIZED AIR COOLED MISSION CRITICAL HACKINTOSH COMPUTER CASE
 
Buy It Now or Best Offer$3,989.00Time left:5d 1h 58m
ENVIRONMENTALLY PROTECTED MICRO FILTERED PRESSURIZED AIR SLIDE OUT COMPUTER CASE
 
Buy It Now or Best Offer$3,989.00Time left:5d 1h 58m
LAMBDA ESS 130-115-11-D 0-130V@0-115A DIGITAL VARIABLE REGULATED DC POWER SUPPLY
 
Buy it now$4,989.00Time left:5d 1h 59m
TYPE III 3 HARD COAT ALUMINUM ANODIZING TITANIUM COLORING DC PLATING RECTIFIER
 
Buy it now$389.00Time left:5d 2h 35m
NEW LAMBDA SE-500-3 24 28 VOLT 19-29V@ 0-25A VARIABLE REGULATED DC POWER SUPPLY
 
Buy It Now or Best Offer$389.00Time left:5d 2h 38m
STACO 3PN171 USMADE! VARIAC TUBE AUDIO POWER PREAMP AMPLIFIER VINTAGE HAM RADIO
 
Buy it now$119.00Time left:5d 2h 43m
STACO 3PN171 0-130V 225W AC OUTPUT VARIAC VARIABLE TRANSFORMER LIFETIME WARRANTY
 
Buy it now$99.00Time left:5d 2h 43m
PROTO 9977 RED PORTABLE TOOL BOX AUTO TRUCK MECHANIC PLUMMER SERVICE MAINTENANCE
 
Buy It Now or Best Offer$29.89Time left:5d 3h 51m
IVIE IE-2P BRUEL & KJAER MEASUREMENT MICROPHONE PREAMP IE-30A SPECTRUM ANALYZER
 
Buy it now$289.00Time left:5d 4h 29m
VINTAGE PROTON 320 DUAL ALARM DIGITAL CLOCK HIGH FIDELITY AUDIOPHILE AM FM RADIO
 
Buy It Now or Best Offer$69.00Time left:6d 4h 41m
NEW INSTALLATION REPAIR MANUAL COPY 4 BENMAR CP-3050 A BUS RV BOAT WATER HEATER
 
Buy it now$19.00Time left:6d 4h 46m
NEW SUPERIOR ELECTRIC POWERSTAT VARIAC BRUSH RB1256B 1256D MB1256D 1256DU 1256DT
 
Buy it now$89.00Time left:6d 4h 49m
VARIAC GENERAL RADIO BENCH TEST DUAL METERED VARIABLE AC POWER SOURCE AUDIO AMP
 
Buy It Now or Best Offer$1,689.00Time left:6d 5h 52m
BSA TRIUMPH NORTON VINCENT BLACK SHADOW VELOCETTE EWARTS FUEL VALVE REBUILD KIT
 
Buy it now$24.99Time left:7d 0h 4m
BSA TRIUMPH NORTON VINCENT VELOCETTE AJS SEAGULL EWARTS FUEL VALVE REBUILD KITS
 
Buy it now$48.00Time left:7d 0h 5m
66 NORTON MANX BRITISH MOTORCYCLE EWARTS FUEL VALVE PETCOCK REPAIR REBUILD KIT
 
Buy it now$24.99Time left:8d 1h 5m
CHROME COPPER SILVER RHODIUM NICKEL GOLD HULL CELL LAB TEST DC PLATING RECTIFIER
 
Buy it now$249.00Time left:8d 4h 40m
KEPCO ATE-6-10M 0-6V@ 0-10A METERED VARIABLE REGULATED LAB BENCH DC POWER SUPPLY
 
Buy it now$249.00Time left:8d 5h 14m
GENERAL RADIO W5MT3 TUBE AUDIO POWER AMP AMPLIFIER ANTIQUE HAM RADIO VARIAC >NEW
 
Buy it now$289.00Time left:8d 23h 56m
NEW VARIAC POWERSTAT OHMITE STACO ADJUST A VOLT DIAL PLATE KNOB AUTOTRANSFORMER
 
Buy it now$19.00Time left:9d 0h 58m
TEKTRONIX 764 AES/EBU SPDIF DIGITAL AUDIO LEVEL PHASE SCOPE STEREO 4CH MONITOR
 
Buy It Now or Best Offer$1,889.00Time left:9d 1h 22m
STACO 3PN1010V 10 AMP METERED VARIAC TUBE AUDIO POWER AMP GUITAR AMPLIFIER RADIO
 
Buy it now$299.00Time left:9d 4h 32m
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