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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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115 results found in Variacs
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USA SUPERIOR ELECTRIC EMT10153 135KVA 208V 230V 3Ø VARIAC LINE VOLTAGE REGULATOR
 
Buy It Now or Best Offer$5,989.00Time left:12d 19h 48m
SUPERIOR ELECTRIC EMT10153 135KVA 3Ø AUTOMATIC BUILDING POWER VOLTAGE REGULATOR
 
Buy It Now or Best Offer$5,989.00Time left:26d 20h 31m
USA MADE 135KVA 3Ø DIGITAL TELEVISION RADIO TRANSMITTER LINE VOLTAGE REGULATOR
 
Buy It Now or Best Offer$5,989.00Time left:27d 19h 10m
NEW CUSTOM MADE ONE OF A KIND GENERAL RADIO 0-280V 25AMP 7KW DUAL METERED VARIAC
 
Buy it now$2,489.00Time left:19d 2h 41m
GENERAL RADIO 1583 13.6KVA 3Ø AUTOMATIC LABORATORY POWER LINE VOLTAGE REGULATOR
 
Buy it now$1,989.00Time left:10d 0h 54m
SUPERIOR ELECTRIC IES 25007 9KW 120V 400HZ POWER LINE VOLTAGE REGULATOR AVIATION
 
Buy it now$1,989.00Time left:17d 2h 47m
USA MADE NEW 7KW GENERAL RADIO 0-280V@0-25A CUSTOM RACKMOUNT DUAL METERED VARIAC
 
Buy it now$1,889.00Time left:25d 20h 15m
AUTOMATIC 10KW AC POWER LINE VOLTAGE REGULATOR CONDITIONER 4 PORTABLE GENERATOR
 
Buy It Now or Best Offer$1,545.00Time left:17d 3h 36m
AUTOMATIC AC POWER LINE VOLTAGE REGULATOR CONDITIONER 4 MARINE BOAT YACHT SHORE
 
Buy It Now or Best Offer$1,545.00Time left:23d 3h 13m
GR TECHNIPOWER 1582 9KW ANALOG DIGITAL AUDIO STUDIO HOME AC POWER LINE REGULATOR
 
Buy It Now or Best Offer$1,545.00Time left:24d 16h 0m
US MADE VIDEO AUDIO RECORDING STUDIO TRIPLE 1200WATT VARIAC WALL LIGHTING DIMMER
 
Buy it now$1,089.00Time left:2d 1h 21m
GENRAD 1581A 6KW ANALOG DIGITAL STUDIO AUTOMATIC AC POWER LINE VOLTAGE REGULATOR
 
Buy It Now or Best Offer$989.00Time left:24d 15h 52m
STACO AVR12057BR 6KW CALIBRATION LAB LABORATORY AC POWER LINE VOLTAGE REGULATOR
 
Buy it now$989.00Time left:26d 1h 40m
US MADE VIDEO AUDIO RECORDING STUDIO TRIPLE 600 WATT VARIAC WALL LIGHTING DIMMER
 
Buy it now$889.00Time left:2d 1h 20m
SORENSEN ACR 5000 AUTOMATION COMPUTER INSPECTION PROCESS AC POWER LINE REGULATOR
 
Buy It Now or Best Offer$889.00Time left:24d 15h 59m
USA MADE VIDEO AUDIO RECORDING STUDIO NO NOISE DUAL 1200W VARIAC LIGHTING DIMMER
 
Buy it now$789.00Time left:20d 4h 20m
0-280V@ 0-10A DIGITAL METERED ISOLATED VARIAC AC POWER SUPPLY SOURCE TEST BENCH
 
Buy it now$789.00Time left:23d 22h 53m
ADJUSTABLE AMPS VOLTS ISOLATED VARIABLE AC DC POWER LINE SUPPLY EQUIPMENT TESTER
 
Buy it now$789.00Time left:23d 22h 53m
USA AUDIO RECORDING STUDIO NO NOISE DUAL 600 WATT VARIAC WALL LIGHTING DIMMER
 
Buy it now$689.00Time left:28d 21h 5m
VIDEO FILM LOCATION STUDIO CASED RUGGEDIZED 3K FRESNEL PAR LIGHT DIMMER VARIAC
 
Buy it now$649.00Time left:15d 0h 3m
NEW WESTERN ELECTRIC VARIAC FOR VINTAGE 300B 2A3 TUBE AUDIO AMPLIFIER RACKMOUNT
 
Buy it now$589.00Time left:2d 1h 30m
STACO E1010VAW VOLTS AMPS WATTS TRIPLE ANALOG METER 1400W LAB VARIAC VARIABLE AC
 
Buy it now$589.00Time left:2d 2h 7m
USA MADE 240 VOLT DUAL METERED VARIAC 4 AUDIO RESEARCH 600MKIII STEREO TUBE AMP
 
Buy it now$589.00Time left:2d 19h 24m
TECHNIPOWER GENERAL RADIO GENRAD GR W20MT3A DUAL ANALOG METERED VARIAC AC SOURCE
 
Buy it now$589.00Time left:6d 0h 13m
TECHNIPOWER GENRAD GENERAL RADIO W5MT3AW TRIPLE METERED TEST BENCH VARIAC  NEW
 
Buy it now$589.00Time left:8d 0h 10m
GENERAL RADIO TRIPLE METERED VARIAC AC POWER LINE ANALYZER CONDITIONER REGULATOR
 
Buy it now$589.00Time left:8d 20h 12m
GR 230V DUAL METERED VARIAC 4 EUROPEAN MAINS POWER AUDIO TUBE AMPLIFIERS PRE AMP
 
Buy it now$589.00Time left:17d 1h 15m
GENERAL RADIO W20MT3A 0-140V@0-18A DUAL METERED VARIAC AC TEST LIFETIME WARRANTY
 
Buy it now$589.00Time left:18d 18h 31m
USA MADE GENERAL RADIO W20HMT3A 0-280V@ 0-8A DUAL METERED VARIAC LIFETIME GUAR.
 
Buy it now$589.00Time left:21d 19h 27m
DUAL METERED 3000 WATT VARIAC 4 AUDIO RESEARCH 600MKIII AUDIO TUBE AMP AMPLIFIER
 
Buy it now$589.00Time left:21d 22h 44m
USA MADE STACO 1400W TRIPLE METERED BENCH VARIAC FOR TUBE AUDIO AMPLIFIER PREAMP
 
Buy it now$589.00Time left:28d 2h 23m
USA MADE TECHNIPOWER W10MT3A 0-10A DUAL METERED VARIAC LIFETIME GUARANTEE   NEW
 
Buy it now$489.00Time left:1d 20h 57m
US MADE VIDEO AUDIO RECORDING STUDIO NO NOISE 1200W VARIAC WALL LIGHTING DIMMER
 
Buy it now$489.00Time left:2d 1h 20m
GENERAL RADIO GR W10MT3A DUAL METERED VARIAC 4 WESTERN ELECTRIC 300B TUBE AUDIO
 
Buy it now$489.00Time left:4d 0h 22m
TECHNIPOWER GENRAD W10MT3A DUAL METERED VARIAC 4 AMPEG HERITAGE SERIES HSVT-CL
 
Buy it now$489.00Time left:4d 0h 24m
 USA MADE DUAL METERED VARIAC FOR AUDIO RESEARCH VTM200 AUDIO TUBE AMP AMPLIFIER
 
Buy it now$489.00Time left:4d 1h 9m
GENERAL RADIO GR W10MT3A 0-140V@ 0-10A DUAL SIMPSON ANALOG METERS METERED VARIAC
 
Buy it now$489.00Time left:6d 1h 2m
GENERAL RADIO DRCO DUAL METERED VARIAC 4 EUROPEAN TUBE AUDIO AMP MCINTOSH C22
 
Buy it now$489.00Time left:9d 21h 39m
USA MADE 3100 WATT TESLA COIL JACOBS LADDER HIGH VOLTAGE NEON TRANSFORMER VARIAC
 
Buy it now$489.00Time left:9d 23h 52m
GENERAL RADIO 0-140V@ 0-10A DUAL METERED VARIAC FOR TUBE GUITAR AUDIO AMP PREAMP
 
Buy it now$489.00Time left:19d 3h 51m
NIB NEW GENERAL RADIO TECHNIPOWER GENRAD W20 VARIAC 0-140V @ 20A KNOB DIAL PLATE
 
Buy it now$489.00Time left:20d 2h 51m
STACO USA! L1010VA METERED VARIAC 4 MCINTOSH MC240 75 MC275 TUBE AUDIO POWER AMP
 
Buy it now$489.00Time left:20d 21h 56m
USA MADE 3K VARIAC LIGHTING LIGHT DIMMER FOR MOLE RICHARDSON QUARTZ PAR FRESNEL
 
Buy it now$489.00Time left:23d 2h 45m
USA MADE GENERAL RADIO W10MT3A 0-140V@10A DUAL METERED VARIAC LIFETIME GUARANTEE
 
Buy it now$489.00Time left:24d 3h 12m
USA MADE METERED VARIAC 4 MCINTOSH MC275 C22 TUBE AUDIO POWER AMPLIFIER PREAMP
 
Buy it now$489.00Time left:24d 3h 12m
US MADE GENERAL RADIO W10MT3W 0-140 VOLT @ 0-1500 WATT DUAL METERED METER VARIAC
 
Buy it now$489.00Time left:28d 2h 42m
SPLASH PROOF VARIAC RECTIFIER 4 COLOR TITANIUM JEWELRY ALUMINUM HARD ANODIZING
 
Buy it now$489.00Time left:28d 23h 24m
STACO EJ901V METERED ISOLATED 10 AMP AC DC VARIAC 4 VACUUM TUBE AUDIO AMPLIFIER
 
Buy it now$449.00Time left:3d 1h 4m
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