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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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128 results found in Variacs
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AUDIO RECORDING STUDIO 12 ZONE 14,000 WATTS VARIAC NO NOISE WALL LIGHTING DIMMER
 
Buy it now$6,889.00Time left:29d 9h 7m
USA SUPERIOR ELECTRIC EMT10153 135KVA 208V 230V 3Ø VARIAC LINE VOLTAGE REGULATOR
 
Buy It Now or Best Offer$5,989.00Time left:12d 1h 36m
SUPERIOR ELECTRIC EMT10153 135KVA 3Ø AUTOMATIC BUILDING POWER VOLTAGE REGULATOR
 
Buy It Now or Best Offer$5,989.00Time left:26d 2h 19m
USA MADE 135KVA 3Ø DIGITAL TELEVISION RADIO TRANSMITTER LINE VOLTAGE REGULATOR
 
Buy It Now or Best Offer$5,989.00Time left:27d 0h 58m
NEW CUSTOM MADE ONE OF A KIND GENERAL RADIO 0-280V 25AMP 7KW DUAL METERED VARIAC
 
Buy it now$2,489.00Time left:18d 8h 29m
GENERAL RADIO 1583 13.6KVA 3Ø AUTOMATIC LABORATORY POWER LINE VOLTAGE REGULATOR
 
Buy it now$1,989.00Time left:9d 6h 42m
SUPERIOR ELECTRIC IES 25007 9KW 120V 400HZ POWER LINE VOLTAGE REGULATOR AVIATION
 
Buy it now$1,989.00Time left:16d 8h 35m
USA MADE NEW 7KW GENERAL RADIO 0-280V@0-25A CUSTOM RACKMOUNT DUAL METERED VARIAC
 
Buy it now$1,889.00Time left:25d 2h 2m
AUTOMATIC 10KW AC POWER LINE VOLTAGE REGULATOR CONDITIONER 4 PORTABLE GENERATOR
 
Buy It Now or Best Offer$1,545.00Time left:16d 9h 24m
AUTOMATIC AC POWER LINE VOLTAGE REGULATOR CONDITIONER 4 MARINE BOAT YACHT SHORE
 
Buy It Now or Best Offer$1,545.00Time left:22d 9h 0m
GR TECHNIPOWER 1582 9KW ANALOG DIGITAL AUDIO STUDIO HOME AC POWER LINE REGULATOR
 
Buy It Now or Best Offer$1,545.00Time left:23d 21h 48m
US MADE VIDEO AUDIO RECORDING STUDIO TRIPLE 1200WATT VARIAC WALL LIGHTING DIMMER
 
Buy it now$1,089.00Time left:1d 7h 8m
GENRAD 1581A 6KW ANALOG DIGITAL STUDIO AUTOMATIC AC POWER LINE VOLTAGE REGULATOR
 
Buy It Now or Best Offer$989.00Time left:23d 21h 40m
STACO AVR12057BR 6KW CALIBRATION LAB LABORATORY AC POWER LINE VOLTAGE REGULATOR
 
Buy it now$989.00Time left:25d 7h 27m
US MADE VIDEO AUDIO RECORDING STUDIO TRIPLE 600 WATT VARIAC WALL LIGHTING DIMMER
 
Buy it now$889.00Time left:1d 7h 8m
SORENSEN ACR 5000 AUTOMATION COMPUTER INSPECTION PROCESS AC POWER LINE REGULATOR
 
Buy It Now or Best Offer$889.00Time left:23d 21h 46m
USA MADE VIDEO AUDIO RECORDING STUDIO NO NOISE DUAL 1200W VARIAC LIGHTING DIMMER
 
Buy it now$789.00Time left:19d 10h 8m
0-280V@ 0-10A DIGITAL METERED ISOLATED VARIAC AC POWER SUPPLY SOURCE TEST BENCH
 
Buy it now$789.00Time left:23d 4h 41m
ADJUSTABLE AMPS VOLTS ISOLATED VARIABLE AC DC POWER LINE SUPPLY EQUIPMENT TESTER
 
Buy it now$789.00Time left:23d 4h 41m
USA AUDIO RECORDING STUDIO NO NOISE DUAL 600 WATT VARIAC WALL LIGHTING DIMMER
 
Buy it now$689.00Time left:2d 5h 48m
VIDEO FILM LOCATION STUDIO CASED RUGGEDIZED 3K FRESNEL PAR LIGHT DIMMER VARIAC
 
Buy it now$649.00Time left:14d 5h 51m
NEW WESTERN ELECTRIC VARIAC FOR VINTAGE 300B 2A3 TUBE AUDIO AMPLIFIER RACKMOUNT
 
Buy it now$589.00Time left:1d 7h 18m
STACO E1010VAW VOLTS AMPS WATTS TRIPLE ANALOG METER 1400W LAB VARIAC VARIABLE AC
 
Buy it now$589.00Time left:1d 7h 54m
USA MADE 240 VOLT DUAL METERED VARIAC 4 AUDIO RESEARCH 600MKIII STEREO TUBE AMP
 
Buy it now$589.00Time left:2d 1h 12m
TECHNIPOWER GENERAL RADIO GENRAD GR W20MT3A DUAL ANALOG METERED VARIAC AC SOURCE
 
Buy it now$589.00Time left:5d 6h 0m
TECHNIPOWER GENRAD GENERAL RADIO W5MT3AW TRIPLE METERED TEST BENCH VARIAC  NEW
 
Buy it now$589.00Time left:7d 5h 58m
GENERAL RADIO TRIPLE METERED VARIAC AC POWER LINE ANALYZER CONDITIONER REGULATOR
 
Buy it now$589.00Time left:7d 6h 58m
GENERAL RADIO W20MT3A 0-140V@0-18A DUAL METERED VARIAC AC TEST LIFETIME WARRANTY
 
Buy it now$589.00Time left:9d 7h 53m
GR 230V DUAL METERED VARIAC 4 EUROPEAN MAINS POWER AUDIO TUBE AMPLIFIERS PRE AMP
 
Buy it now$589.00Time left:16d 7h 3m
NIB NEW GENERAL RADIO TECHNIPOWER GENRAD W20 VARIAC 0-140V @ 20A KNOB DIAL PLATE
 
Buy it now$589.00Time left:19d 8h 39m
USA MADE GENERAL RADIO W20HMT3A 0-280V@ 0-8A DUAL METERED VARIAC LIFETIME GUAR.
 
Buy it now$589.00Time left:21d 1h 15m
DUAL METERED 3000 WATT VARIAC 4 AUDIO RESEARCH 600MKIII AUDIO TUBE AMP AMPLIFIER
 
Buy it now$589.00Time left:21d 4h 32m
USA MADE STACO 1400W TRIPLE METERED BENCH VARIAC FOR TUBE AUDIO AMPLIFIER PREAMP
 
Buy it now$589.00Time left:27d 8h 10m
USA MADE TECHNIPOWER W10MT3A 0-10A DUAL METERED VARIAC LIFETIME GUARANTEE   NEW
 
Buy it now$489.00Time left:1d 2h 45m
US MADE VIDEO AUDIO RECORDING STUDIO NO NOISE 1200W VARIAC WALL LIGHTING DIMMER
 
Buy it now$489.00Time left:1d 7h 8m
GENERAL RADIO GR W10MT3A DUAL METERED VARIAC 4 WESTERN ELECTRIC 300B TUBE AUDIO
 
Buy it now$489.00Time left:3d 6h 10m
TECHNIPOWER GENRAD W10MT3A DUAL METERED VARIAC 4 AMPEG HERITAGE SERIES HSVT-CL
 
Buy it now$489.00Time left:3d 6h 12m
 USA MADE DUAL METERED VARIAC FOR AUDIO RESEARCH VTM200 AUDIO TUBE AMP AMPLIFIER
 
Buy it now$489.00Time left:3d 6h 57m
GENERAL RADIO GR W10MT3A 0-140V@ 0-10A DUAL SIMPSON ANALOG METERS METERED VARIAC
 
Buy it now$489.00Time left:5d 6h 50m
NEW GENERAL RADIO 240 VOLT MAINS METERED VARIAC FOR TUBE AUDIO AMP MCINTOSH C22
 
Buy it now$489.00Time left:9d 3h 26m
USA MADE 3100 WATT TESLA COIL JACOBS LADDER HIGH VOLTAGE NEON TRANSFORMER VARIAC
 
Buy it now$489.00Time left:9d 5h 39m
GENERAL RADIO 0-140V@ 0-10A DUAL METERED VARIAC FOR TUBE GUITAR AUDIO AMP PREAMP
 
Buy it now$489.00Time left:18d 9h 38m
USA MADE 3K VARIAC LIGHTING LIGHT DIMMER FOR MOLE RICHARDSON QUARTZ PAR FRESNEL
 
Buy it now$489.00Time left:22d 8h 33m
USA MADE GENERAL RADIO W10MT3A 0-140V@10A DUAL METERED VARIAC LIFETIME GUARANTEE
 
Buy it now$489.00Time left:23d 8h 59m
USA MADE METERED VARIAC 4 MCINTOSH MC275 C22 TUBE AUDIO POWER AMPLIFIER PREAMP
 
Buy it now$489.00Time left:23d 8h 59m
US MADE GENERAL RADIO W10MT3W 0-140 VOLT @ 0-1500 WATT DUAL METERED METER VARIAC
 
Buy it now$489.00Time left:27d 8h 29m
SPLASH PROOF VARIAC RECTIFIER 4 COLOR TITANIUM JEWELRY ALUMINUM HARD ANODIZING
 
Buy it now$489.00Time left:28d 5h 12m
STACO EJ901V METERED ISOLATED 10 AMP AC DC VARIAC 4 VACUUM TUBE AUDIO AMPLIFIER
 
Buy it now$449.00Time left:2d 6h 52m
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