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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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159 results found in all categories
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Picture [hide]Item titlePrice Time Left
INFINITE ENVIRONMENTS WORLD'S FIRST FULLY ENGINEERED AUDIO REPRODUCTION BUILDING
 
Buy It Now or Best Offer$99,000.00Time left:11d 13h 55m
INFINITE ENVIRONMENTS FULLY ENGINEERED ULTIMATE AUDIO VIDEO THEATER BUILDING
 
Buy It Now or Best Offer$99,000.00Time left:11d 13h 59m
"WORLD'S MOST KICK-ASS HOME THEATRE" AUDIO VIDEO GAME MUSIC SOUND 3D EXPERIENCE
 
Buy It Now or Best Offer$99,000.00Time left:11d 14h 17m
30-HP 3-PHASE AC ELECTRIC MOTOR TEST STAND 10KW VARIABLE VOLTAGE DC POWER SUPPLY
 
Buy It Now or Best Offer$15,289.00Time left:11d 14h 20m
AUDIO RECORDING STUDIO 16 ZONE 19,000 WATTS VARIAC NO NOISE WALL LIGHTING DIMMER
 
Buy It Now or Best Offer$9,889.00Time left:11d 14h 15m
AUDIO RECORDING STUDIO 12 ZONE 14,000 WATTS VARIAC NO NOISE WALL LIGHTING DIMMER
 
Buy It Now or Best Offer$6,889.00Time left:11d 14h 4m
HEPA FILTERED PRESSURIZED AIR COOLED MISSION CRITICAL HACKINTOSH COMPUTER CASE
 
Buy It Now or Best Offer$3,989.00Time left:4d 9h 45m
ENVIRONMENTALLY PROTECTED MICRO FILTERED PRESSURIZED AIR SLIDE OUT COMPUTER CASE
 
Buy It Now or Best Offer$3,989.00Time left:4d 9h 45m
VARIAC WORLD MAINS 100-240 VOLT INPUT METERED ISOLATED REGULATED AC POWER SUPPLY
 
Buy It Now or Best Offer$2,789.00Time left:13d 9h 59m
WORLD MAINS 100-240 VOLT INPUT METERED ISOLATED VARIAC REGULATED AC POWER SUPPLY
 
Buy It Now or Best Offer$2,789.00Time left:13d 9h 59m
NEW CUSTOM MADE ONE OF A KIND GENERAL RADIO 0-280V 25AMP 7KW DUAL METERED VARIAC
 
Buy It Now or Best Offer$2,489.00Time left:11d 14h 19m
ELGAR DIGITAL AC POWER SUPPLY VARIABLE SOURCE 0-260V 350-450HZ 1200VA AVIONICS
 
Buy It Now or Best Offer$2,389.00Time left:11d 14h 0m
US MADE ELGAR 1201EL-13 DIGITAL VARIABLE AC POWER SUPPLY SOURCE 0-260V 350-450HZ
 
Buy It Now or Best Offer$2,389.00Time left:11d 14h 21m
NEW PORTABLE 0-150V@12A VARIABLE DC POWER SUPPLY UTILITY CIRCUIT BREAKER TESTER
 
Buy It Now or Best Offer$2,289.00Time left:11d 14h 8m
NEW DIGITAL PROGRAMMABLE 130V 100A DC POLARITY REVERSING RELAY CONTACTOR SWITCH
 
Buy It Now or Best Offer$2,289.00Time left:11d 14h 21m
CUSTOM DUAL METERED ISOLATED VARIAC TUBE TRANSISTOR AUDIO POWER AMPLIFIER 2800W
 
Buy it now$1,989.00Time left:10d 15h 42m
NEW CUSTOM MADE ONE OF A KIND GENERAL RADIO PORTABLE DUAL METERED 25-AMP VARIAC
 
Buy it now$1,989.00Time left:16d 15h 28m
GENERAL RADIO GENRAD GR IET 1538-A STROBOTAC 150,000 RPM STROBE LIGHT TACHOMETER
 
Buy It Now or Best Offer$1,889.00Time left:11d 14h 28m
USA MADE NEW 7KW GENERAL RADIO 0-280V@0-25A CUSTOM RACKMOUNT DUAL METERED VARIAC
 
Buy It Now or Best Offer$1,889.00Time left:11d 14h 29m
NEW CUSTOM DUAL RANGE 120V 240V METERED ISOLATED VARIAC AC POWER SUPPLY SOURCE
 
Buy It Now or Best Offer$1,789.00Time left:11d 13h 49m
NEW CUSTOM MADE ONE OF A KIND GENERAL RADIO PORTABLE DUAL METERED 15-AMP VARIAC
 
Buy it now$1,789.00Time left:16d 15h 25m
NEW CUSTOM MADE GENERAL RADIO CASED DUAL METERED 10-AMP BENCH VARIAC TUBE AUDIO
 
Buy it now$1,589.00Time left:16d 15h 25m
AIRCRAFT ALTERNATOR GENERATOR CHARGING SYSTEM AC DC VOLT AMP DIODE LOAD TESTER
 
Buy It Now or Best Offer$1,449.00Time left:9d 16h 57m
NEW CUSTOM MADE 0-140V@0-20A DUAL DIGITAL METERED CURRENT LIMITING BENCH VARIAC
 
Buy It Now or Best Offer$1,389.00Time left:23d 14h 45m
NEW CUSTOM MADE ONE OF A KIND GENERAL RADIO PORTABLE DUAL METERED 10-AMP VARIAC
 
Buy It Now or Best Offer$1,289.00Time left:11d 13h 50m
NEW CUSTOM MADE ONE OF A KIND GENERAL RADIO PORTABLE DUAL METERED 10-AMP VARIAC
 
Buy it now$1,289.00Time left:16d 15h 25m
ANODIZING ELECTRO PLATING RECTIFIER CORROSION FREE PROTECTION PRESSURE AIR BOX
 
Buy It Now or Best Offer$1,289.00Time left:26d 15h 43m
NEW 2000 WATT AUDIO POWER AMP AMPLIFIER DUMMY LOAD TESTER 2 4 8 16 OHM RESISTOR
 
Buy It Now or Best Offer$1,249.00Time left:11d 15h 30m
US MADE VIDEO AUDIO RECORDING STUDIO TRIPLE 1200WATT VARIAC WALL LIGHTING DIMMER
 
Buy It Now or Best Offer$1,089.00Time left:11d 14h 4m
NEW CUSTOM MADE PORTABLE DUAL METERED VARIABLE AC TRANSFORMER GUITAR AMP VARIAC
 
Buy It Now or Best Offer$1,089.00Time left:20d 9h 23m
NEW VIDEO AUDIO RECORDING STUDIO NOISE FREE 600 WATT VARIAC WALL LIGHTING DIMMER
 
Buy It Now or Best Offer$889.00Time left:11d 14h 4m
NEW CUSTOM MADE DUAL METERED VARIABLE TRANSFORMER TUBE AUDIO GUITAR AMP VARIAC
 
Buy It Now or Best Offer$889.00Time left:13d 9h 58m
KENYON KS-4 GYRO STABILIZER INVERTER BATTERY CHARGER CASE BINOCULARS GUN CAMERA
 
Buy It Now or Best Offer$889.00Time left:13d 14h 37m
NEW 800 WATT AUDIO POWER AMP AMPLIFIER DUMMY LOAD TESTER 2 4 8 16 OHM RESISTORS
 
Buy It Now or Best Offer$849.00Time left:20d 14h 35m
NEW CUSTOM MADE TEKTRONIX STYLE 0-140V@ 0-10A DUAL DIGITAL METERED BENCH VARIAC
 
Buy it now$789.00Time left:9d 8h 24m
USA MADE VIDEO AUDIO RECORDING STUDIO NO NOISE DUAL 1200W VARIAC LIGHTING DIMMER
 
Buy It Now or Best Offer$789.00Time left:11d 14h 12m
NEW 800 WATT AUDIO POWER AMP GUITAR AMPLIFIER TUBE DUMMY LOAD 2 4 8 OHM RESISTOR
 
Buy It Now or Best Offer$749.00Time left:11d 13h 52m
ONE-OF-A-KIND CUSTOM MADE VU METER STEREO AUDIO AMP AMPLIFIER BRASS STEAM PUNK
 
Buy It Now or Best Offer$749.00Time left:11d 14h 5m
NEW 800 WATT AUDIO POWER AMP AMPLIFIER DUMMY LOAD TESTER 2 4 8 16 OHM RESISTORS
 
Buy It Now or Best Offer$749.00Time left:11d 15h 16m
NEW WESTERN ELECTRIC VARIAC FOR VINTAGE 300B 2A3 TUBE AUDIO AMPLIFIER RACKMOUNT
 
Buy It Now or Best Offer$689.00Time left:1d 13h 59m
NO NOISE FREE DUAL VARIAC WALL TUNGSTEN LED VARIABLE LIGHTING FAN SPEED DIMMER
 
Buy It Now or Best Offer$689.00Time left:10d 11h 8m
RECORDING STUDIO NO NOISE FREE DUAL 300 WATT VARIAC IN WALL LIGHTING DIMMER LED
 
Buy It Now or Best Offer$689.00Time left:11d 13h 59m
USA AUDIO RECORDING STUDIO NO NOISE DUAL 300 WATT VARIAC IN WALL LIGHTING DIMMER
 
Buy It Now or Best Offer$689.00Time left:11d 13h 59m
USA AUDIO RECORDING STUDIO NO NOISE DUAL 600 WATT VARIAC WALL LIGHTING DIMMER
 
Buy It Now or Best Offer$689.00Time left:11d 14h 30m
NEW CUSTOM USA METERED ISOLATED VARIAC AC POWER SUPPLY SOURCE TUBE AUDIO TESTER
 
Buy it now$689.00Time left:16d 15h 30m
WATER CORROSION PROOF REMOTE CONTROL COPPER NICKEL SILVER ZINC PLATING RECTIFIER
 
Buy It Now or Best Offer$649.00Time left:26d 15h 45m
WATER CORROSION FREE REMOTE CONTROL COPPER NICKEL CHROME BRASS PLATING RECTIFIER
 
Buy It Now or Best Offer$649.00Time left:26d 15h 45m
WATER CORROSION FREE REMOTE CONTROL ALUMINUM ANODIZING ANODIZE PLATING RECTIFIER
 
Buy It Now or Best Offer$649.00Time left:26d 15h 46m
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