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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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58 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:8d 21h 29m
USA SUPERIOR ELECTRIC EMT10153 135KVA 208V 230V 3Ø VARIAC LINE VOLTAGE REGULATOR
 
Buy It Now or Best Offer$5,989.00Time left:9d 22h 32m
NEW CUSTOM MADE ONE OF A KIND GENERAL RADIO 0-280V 25AMP 7KW DUAL METERED VARIAC
 
Buy it now$2,489.00Time left:16d 5h 25m
GENERAL RADIO 1583 13.6KVA 3Ø AUTOMATIC LABORATORY POWER LINE VOLTAGE REGULATOR
 
Buy it now$1,989.00Time left:7d 3h 38m
SUPERIOR ELECTRIC IES 25007 9KW 120V 400HZ POWER LINE VOLTAGE REGULATOR AVIATION
 
Buy it now$1,989.00Time left:14d 5h 31m
USA MADE NEW 7KW GENERAL RADIO 0-280V@0-25A CUSTOM RACKMOUNT DUAL METERED VARIAC
 
Buy it now$1,889.00Time left:22d 22h 58m
AUTOMATIC 10KW AC POWER LINE VOLTAGE REGULATOR CONDITIONER 4 PORTABLE GENERATOR
 
Buy It Now or Best Offer$1,545.00Time left:14d 6h 20m
GENERAL RADIO 1592A 10KW 240 VOLT 1Ø AUTOMATIC AC POWER LINE VOLTAGE REGULATOR
 
Buy it now$1,489.00Time left:24d 3h 47m
0-280V@ 0-10A DIGITAL METERED ISOLATED VARIAC AC POWER SUPPLY SOURCE TEST BENCH
 
Buy it now$789.00Time left:21d 1h 37m
ADJUSTABLE AMPS VOLTS ISOLATED VARIABLE AC DC POWER LINE SUPPLY EQUIPMENT TESTER
 
Buy it now$789.00Time left:21d 1h 37m
USA AUDIO RECORDING STUDIO NO NOISE DUAL 600 WATT VARIAC WALL LIGHTING DIMMER
 
Buy it now$689.00Time left:2h 57m
STACO E1010VAW VOLTS AMPS WATTS TRIPLE ANALOG METER 1400W LAB VARIAC VARIABLE AC
 
Buy it now$689.00Time left:7d 21h 1m
NIB NEW GENERAL RADIO TECHNIPOWER GENRAD W20 VARIAC 0-140V @ 20A KNOB DIAL PLATE
 
Buy it now$689.00Time left:17d 5h 35m
TECHNIPOWER GENERAL RADIO GENRAD GR W20MT3A DUAL ANALOG METERED VARIAC AC SOURCE
 
Buy it now$649.00Time left:3d 2h 57m
GENERAL RADIO W20MT3A 0-140V@0-18A DUAL METERED VARIAC AC TEST LIFETIME WARRANTY
 
Buy it now$649.00Time left:7d 4h 49m
USA GENERAL RADIO W20HMT3A 240 VOLT 0-280V@ 0-8A DUAL METERED TEST BENCH VARIAC
 
Buy it now$649.00Time left:18d 22h 11m
TECHNIPOWER GENRAD GENERAL RADIO W5MT3AW TRIPLE METERED TEST BENCH VARIAC  NEW
 
Buy it now$589.00Time left:5d 2h 54m
NEW GENERAL RADIO 240 VOLT MAINS METERED VARIAC FOR TUBE AUDIO AMP MCINTOSH C22
 
Buy it now$589.00Time left:7d 0h 22m
USA MADE 3100 WATT TESLA COIL JACOBS LADDER HIGH VOLTAGE NEON TRANSFORMER VARIAC
 
Buy it now$589.00Time left:7d 2h 35m
GENERAL RADIO TRIPLE METERED VARIAC AC POWER LINE ANALYZER CONDITIONER REGULATOR
 
Buy it now$589.00Time left:8d 22h 24m
GENERAL RADIO TRIPLE METERED VARIAC AC POWER LINE ANALYZER CONDITIONER REGULATOR
 
Buy it now$589.00Time left:17d 5h 7m
USA MADE TECHNIPOWER W10MT3A 0-10A DUAL METERED VARIAC LIFETIME GUARANTEE   NEW
 
Buy it now$549.00Time left:21h 35m
GENERAL RADIO GR W10MT3A DUAL METERED VARIAC 4 WESTERN ELECTRIC 300B TUBE AUDIO
 
Buy it now$549.00Time left:1d 3h 6m
TECHNIPOWER GENRAD W10MT3A DUAL METERED VARIAC 4 AMPEG HERITAGE SERIES HSVT-CL
 
Buy it now$549.00Time left:1d 3h 8m
 USA MADE DUAL METERED VARIAC FOR AUDIO RESEARCH VTM200 AUDIO TUBE AMP AMPLIFIER
 
Buy it now$549.00Time left:1d 3h 53m
USA MADE GENERAL RADIO W10MT3A 0-140V@10A DUAL METERED VARIAC LIFETIME GUARANTEE
 
Buy it now$549.00Time left:21d 5h 55m
GENERAL RADIO GR W10MT3A 0-140V@ 0-10A DUAL SIMPSON ANALOG METERS METERED VARIAC
 
Buy it now$549.00Time left:29d 22h 43m
GENERAL RADIO 1591-A 1KW PORTABLE GUITAR AMP AC POWER LINE REGULATOR CONDITIONER
 
Buy It Now or Best Offer$489.00Time left:11d 3h 39m
DUAL METERED VARIAC 4 MARANTZ MODEL 9 NINE 10B TUBE AUDIO POWER AMPLIFIER TUNER
 
Buy it now$449.00Time left:14m
TECHNIPOWER GR GENERAL RADIO W5MT3W DUAL ANALOG METER WATT VOLT METERED VARIAC
 
Buy it now$449.00Time left:16m
STACO EJ901V METERED ISOLATED 10 AMP AC DC VARIAC 4 VACUUM TUBE AUDIO AMPLIFIER
 
Buy it now$449.00Time left:3h 48m
REBUILT GENERAL RADIO TECHNIPOWER W5S30 VARIAC 0-140V@5A SWITCH IEC K CENTRIFUGE
 
Buy it now$449.00Time left:13d 20h 50m
PERFECTLY RESTORED VINTAGE GENERAL RADIO W5MT3A DUAL VOLT AMP METERED LAB VARIAC
 
Buy it now$449.00Time left:29d 22h 22m
US MADE VIDEO AUDIO RECORDING STUDIO NO NOISE CUSTOM 600W VARIAC LIGHTING DIMMER
 
Buy it now$389.00Time left:2h 39m
USA HICKOK 5058B METERED ISOLATED VARIAC 0-400V DC POWER SUPPLY 4 TUBE AUDIO AMP
 
Buy it now$389.00Time left:9d 22h 32m
 STACO USA EJ401V ISOLATED METERED VARIAC VARIABLE AC DC POWER LINE BENCH SOURCE
 
Buy it now$389.00Time left:15d 2h 58m
NEW CUSTOM MADE ONE OF A KIND GENERAL RADIO VINTAGE STEAM PUNK METERED VARIAC
 
Buy it now$349.00Time left:2d 4h 41m
US MADE VIDEO AUDIO RECORDING STUDIO NO NOISE 210W VARIAC WALL LIGHTING DIMMER
 
Buy it now$289.00Time left:5d 2h 33m
USA GENERAL RADIO W5MT3VM METERED VARIAC TUBE RADIO AMPLIFIER LIFE-TIME WARRANTY
 
Buy it now$289.00Time left:12d 4h 45m
NEW DRCO IMPROVED TENMA 15A METERED VARIAC VARIABLE AC SOURCE LIFETIME WARRANTY!
 
Buy it now$289.00Time left:29d 23h 54m
POWERSTAT VARIAC VINTAGE MARSHALL TUBE VALVE GUITAR AMPLIFIER LIFETIME WARRANTY
 
Buy it now$249.00Time left:4d 0h 42m
GENERAL RADIO W5MT3 TUBE AUDIO POWER AMP AMPLIFIER ANTIQUE HAM RADIO VARIAC  NEW
 
Buy it now$249.00Time left:8d 23h 47m
USA MADE COFFEE BEAN ROASTER ROASTING VARIAC TEMPERATURE CONTROL FRENCH ROAST
 
Buy it now$249.00Time left:11d 22h 18m
  NEW USA STACO 3PN1010 0-120/140V VARIABLE AC 10-AMP VARIAC LIFETIME WARRANTY
 
Buy it now$249.00Time left:18d 1h 58m
USA MADE STACO L501 VARIAC 4 TUBE AUDIO POWER GUITAR AMPLIFIER VINTAGE HAM RADIO
 
Buy it now$219.00Time left:9d 4h 56m
GENERAL RADIO 200-CM PERFECTLY RESTORED ORIGINAL 1940'S GENERAL RADIO VARIAC
 
Buy it now$219.00Time left:19d 5h 24m
VARIAC FOR VINTAGE TUBE AUDIO POWER AMP ANTIQUE HAM RADIO TABLE FAN LIGHT DIMMER
 
Buy it now$99.00Time left:13d 23h 18m
NEW GENERAL RADIO GENRAD TECHNIPOWER VBT-8 VARIAC BRUSH W20 W20M W20MT M20 W20BB
 
Buy it now$99.00Time left:13d 23h 37m
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