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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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64 results found in Variacs
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AUDIO RECORDING STUDIO 16 ZONE 19,000 WATTS VARIAC NO NOISE WALL LIGHTING DIMMER
 
Buy it now$9,889.00Time left:1d 11h 7m
USA SUPERIOR ELECTRIC EMT10153 135KVA 208V 230V 3Ø VARIAC LINE VOLTAGE REGULATOR
 
Buy It Now or Best Offer$5,989.00Time left:2d 12h 10m
NEW CUSTOM MADE ONE OF A KIND GENERAL RADIO 0-280V 25AMP 7KW DUAL METERED VARIAC
 
Buy it now$2,489.00Time left:8d 19h 2m
SUPERIOR ELECTRIC IES 25007 9KW 120V 400HZ POWER LINE VOLTAGE REGULATOR AVIATION
 
Buy It Now or Best Offer$1,989.00Time left:6d 19h 8m
GENERAL RADIO 1583 13.6KVA 3Ø AUTOMATIC LABORATORY POWER LINE VOLTAGE REGULATOR
 
Buy it now$1,989.00Time left:29d 17h 15m
USA MADE NEW 7KW GENERAL RADIO 0-280V@0-25A CUSTOM RACKMOUNT DUAL METERED VARIAC
 
Buy it now$1,889.00Time left:15d 12h 36m
AUTOMATIC 10KW AC POWER LINE VOLTAGE REGULATOR CONDITIONER 4 PORTABLE GENERATOR
 
Buy it now$1,545.00Time left:6d 19h 58m
GENERAL RADIO 1592A 10KW 240 VOLT 1Ø AUTOMATIC AC POWER LINE VOLTAGE REGULATOR
 
Buy it now$1,489.00Time left:16d 17h 24m
SUPERIOR ELECTRIC POWERSTAT 3PN246 246 VARIAC 0-280V @ 15A 4KW LIFETIME WARRANTY
 
Buy it now$889.00Time left:4d 14h 14m
0-280V@ 0-10A DIGITAL METERED ISOLATED VARIAC AC POWER SUPPLY SOURCE TEST BENCH
 
Buy it now$789.00Time left:13d 15h 14m
ADJUSTABLE AMPS VOLTS ISOLATED VARIABLE AC DC POWER LINE SUPPLY EQUIPMENT TESTER
 
Buy it now$789.00Time left:13d 15h 14m
STACO E1010VAW VOLTS AMPS WATTS TRIPLE ANALOG METER 1400W LAB VARIAC VARIABLE AC
 
Buy it now$689.00Time left:10h 38m
NIB NEW GENERAL RADIO TECHNIPOWER GENRAD W20 VARIAC 0-140V @ 20A KNOB DIAL PLATE
 
Buy it now$689.00Time left:9d 19h 12m
USA AUDIO RECORDING STUDIO NO NOISE DUAL 600 WATT VARIAC WALL LIGHTING DIMMER
 
Buy it now$689.00Time left:22d 16h 35m
NO NOISE FREE DUAL VARIAC WALL TUNGSTEN LED VARIABLE LIGHTING FAN SPEED DIMMER
 
Buy it now$649.00Time left:7d 17h 11m
RECORDING STUDIO NO NOISE FREE DUAL 300 WATT VARIAC IN WALL LIGHTING DIMMER LED
 
Buy it now$649.00Time left:7d 17h 12m
USA AUDIO RECORDING STUDIO NO NOISE DUAL 300 WATT VARIAC IN WALL LIGHTING DIMMER
 
Buy it now$649.00Time left:7d 17h 12m
USA GENERAL RADIO W20HMT3A 240 VOLT 0-280V@ 0-8A DUAL METERED TEST BENCH VARIAC
 
Buy it now$649.00Time left:11d 11h 49m
TECHNIPOWER GENERAL RADIO GENRAD GR W20MT3A DUAL ANALOG METERED VARIAC AC SOURCE
 
Buy it now$649.00Time left:25d 16h 34m
GENERAL RADIO W20MT3A 0-140V@0-18A DUAL METERED VARIAC AC TEST LIFETIME WARRANTY
 
Buy it now$649.00Time left:29d 18h 27m
GENERAL RADIO TRIPLE METERED VARIAC AC POWER LINE ANALYZER CONDITIONER REGULATOR
 
Buy it now$589.00Time left:1d 12h 1m
GENERAL RADIO TRIPLE METERED VARIAC AC POWER LINE ANALYZER CONDITIONER REGULATOR
 
Buy it now$589.00Time left:9d 18h 45m
TECHNIPOWER GENRAD GENERAL RADIO W5MT3AW TRIPLE METERED TEST BENCH VARIAC  NEW
 
Buy it now$589.00Time left:10d 13h 1m
USA MADE 3100 WATT TESLA COIL JACOBS LADDER HIGH VOLTAGE NEON TRANSFORMER VARIAC
 
Buy it now$589.00Time left:29d 16h 13m
USA MADE GENERAL RADIO W10MT3A 0-140V@10A DUAL METERED VARIAC LIFETIME GUARANTEE
 
Buy it now$549.00Time left:13d 19h 33m
GENERAL RADIO GR W10MT3A 0-140V@ 0-10A DUAL SIMPSON ANALOG METERS METERED VARIAC
 
Buy it now$549.00Time left:22d 12h 21m
USA MADE TECHNIPOWER W10MT3A 0-10A DUAL METERED VARIAC LIFETIME GUARANTEE   NEW
 
Buy it now$549.00Time left:23d 11h 13m
GENERAL RADIO 1591-A 1KW PORTABLE GUITAR AMP AC POWER LINE REGULATOR CONDITIONER
 
Buy it now$489.00Time left:3d 17h 17m
REBUILT GENERAL RADIO TECHNIPOWER W5S30 VARIAC 0-140V@5A SWITCH IEC K CENTRIFUGE
 
Buy it now$449.00Time left:6d 10h 28m
PERFECTLY RESTORED VINTAGE GENERAL RADIO W5MT3A DUAL VOLT AMP METERED LAB VARIAC
 
Buy it now$449.00Time left:22d 11h 59m
TECHNIPOWER GR GENERAL RADIO W5MT3W DUAL ANALOG METER WATT VOLT METERED VARIAC
 
Buy it now$449.00Time left:22d 13h 54m
USA HICKOK 5058B METERED ISOLATED VARIAC 0-400V DC POWER SUPPLY 4 TUBE AUDIO AMP
 
Buy it now$389.00Time left:2d 12h 10m
 STACO USA EJ401V ISOLATED METERED VARIAC VARIABLE AC DC POWER LINE BENCH SOURCE
 
Buy it now$389.00Time left:7d 16h 36m
STACO 3PN150B 2KW VARIAC DIMMER VIDEO LIGHTING LIGHT 4 LOWEL ARRI PAR FRESNEL
 
Buy it now$389.00Time left:18d 17h 13m
RECORDING STUDIO NO NOISE FREE 300 WATT VARIAC IN WALL LIGHT LIGHTING DIMMER LED
 
Buy it now$349.00Time left:2d 15h 45m
NO NOISE FREE VARIAC WALL TUNGSTEN LED VARIABLE LIGHT LIGHTING FAN SPEED DIMMER
 
Buy it now$349.00Time left:2d 15h 45m
NEW CUSTOM MADE ONE OF A KIND GENERAL RADIO VINTAGE STEAM PUNK METERED VARIAC
 
Buy it now$349.00Time left:24d 18h 18m
USA GENERAL RADIO W5MT3VM METERED VARIAC TUBE RADIO AMPLIFIER LIFE-TIME WARRANTY
 
Buy it now$289.00Time left:4d 18h 22m
NEW DRCO IMPROVED TENMA 15A METERED VARIAC VARIABLE AC SOURCE LIFETIME WARRANTY!
 
Buy it now$289.00Time left:22d 13h 31m
GENERAL RADIO W5MT3 TUBE AUDIO POWER AMP AMPLIFIER ANTIQUE HAM RADIO VARIAC  NEW
 
Buy it now$249.00Time left:1d 13h 25m
SUPERIOR ELECTRIC 3PN116B POWERSTAT 0-140 VOLT 10 AMP BENCH VARIAC TRANSFORMER
 
Buy it now$249.00Time left:2d 16h 3m
USA MADE COFFEE BEAN ROASTER ROASTING VARIAC TEMPERATURE CONTROL FRENCH ROAST
 
Buy it now$249.00Time left:4d 11h 55m
POWERSTAT VARIAC VINTAGE MARSHALL TUBE VALVE GUITAR AMPLIFIER LIFETIME WARRANTY
 
Buy it now$249.00Time left:11d 11h 21m
  NEW USA STACO 3PN1010 0-120/140V VARIABLE AC 10-AMP VARIAC LIFETIME WARRANTY
 
Buy it now$249.00Time left:17d 15h 24m
USA MADE STACO L501 VARIAC 4 TUBE AUDIO POWER GUITAR AMPLIFIER VINTAGE HAM RADIO
 
Buy it now$219.00Time left:1d 18h 33m
GENERAL RADIO 200-CM PERFECTLY RESTORED ORIGINAL 1940'S GENERAL RADIO VARIAC
 
Buy it now$219.00Time left:11d 19h 2m
CALRAD 45-739 60'S VINTAGE METERED VARIAC TUBE AUDIO POWER AMPLIFIER
 
Buy it now$189.00Time left:8d 20h 2m
STACO 700W VARIAC 4 TUBE AUDIO POWER PRE AMP AMPLIFIER 300B 2A3 WESTERN ELECTRIC
 
Buy it now$189.00Time left:10d 18h 44m
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