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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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164 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:7d 2h 16m
INFINITE ENVIRONMENTS FULLY ENGINEERED ULTIMATE AUDIO VIDEO THEATER BUILDING
 
Buy It Now or Best Offer$99,000.00Time left:7d 2h 20m
"WORLD'S MOST KICK-ASS HOME THEATRE" AUDIO VIDEO GAME MUSIC SOUND 3D EXPERIENCE
 
Buy It Now or Best Offer$99,000.00Time left:7d 2h 38m
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:7d 2h 41m
AUDIO RECORDING STUDIO 16 ZONE 19,000 WATTS VARIAC NO NOISE WALL LIGHTING DIMMER
 
Buy It Now or Best Offer$9,889.00Time left:7d 2h 36m
AUDIO RECORDING STUDIO 12 ZONE 14,000 WATTS VARIAC NO NOISE WALL LIGHTING DIMMER
 
Buy It Now or Best Offer$6,889.00Time left:7d 2h 25m
HEPA FILTERED PRESSURIZED AIR COOLED MISSION CRITICAL HACKINTOSH COMPUTER CASE
 
Buy It Now or Best Offer$3,989.00Time left:30d 22h 6m
ENVIRONMENTALLY PROTECTED MICRO FILTERED PRESSURIZED AIR SLIDE OUT COMPUTER CASE
 
Buy It Now or Best Offer$3,989.00Time left:30d 22h 6m
VARIAC WORLD MAINS 100-240 VOLT INPUT METERED ISOLATED REGULATED AC POWER SUPPLY
 
Buy It Now or Best Offer$2,789.00Time left:8d 22h 20m
WORLD MAINS 100-240 VOLT INPUT METERED ISOLATED VARIAC REGULATED AC POWER SUPPLY
 
Buy It Now or Best Offer$2,789.00Time left:8d 22h 20m
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:7d 2h 40m
ELGAR DIGITAL AC POWER SUPPLY VARIABLE SOURCE 0-260V 350-450HZ 1200VA AVIONICS
 
Buy It Now or Best Offer$2,389.00Time left:7d 2h 21m
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:7d 2h 42m
NEW PORTABLE 0-150V@12A VARIABLE DC POWER SUPPLY UTILITY CIRCUIT BREAKER TESTER
 
Buy It Now or Best Offer$2,289.00Time left:7d 2h 29m
NEW DIGITAL PROGRAMMABLE 130V 100A DC POLARITY REVERSING RELAY CONTACTOR SWITCH
 
Buy It Now or Best Offer$2,289.00Time left:7d 2h 41m
CUSTOM DUAL METERED ISOLATED VARIAC TUBE TRANSISTOR AUDIO POWER AMPLIFIER 2800W
 
Buy it now$1,989.00Time left:6d 4h 3m
NEW CUSTOM MADE ONE OF A KIND GENERAL RADIO PORTABLE DUAL METERED 25-AMP VARIAC
 
Buy it now$1,989.00Time left:12d 3h 49m
GENERAL RADIO GENRAD GR IET 1538-A STROBOTAC 150,000 RPM STROBE LIGHT TACHOMETER
 
Buy It Now or Best Offer$1,889.00Time left:7d 2h 49m
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:7d 2h 50m
NEW CUSTOM DUAL RANGE 120V 240V METERED ISOLATED VARIAC AC POWER SUPPLY SOURCE
 
Buy It Now or Best Offer$1,789.00Time left:7d 2h 10m
NEW CUSTOM MADE ONE OF A KIND GENERAL RADIO PORTABLE DUAL METERED 15-AMP VARIAC
 
Buy it now$1,789.00Time left:12d 3h 46m
NEW CUSTOM MADE GENERAL RADIO CASED DUAL METERED 10-AMP BENCH VARIAC TUBE AUDIO
 
Buy it now$1,589.00Time left:12d 3h 46m
STEREO AUDIO SWITCHER LOUDSPEAKER INSTRUMENT PASSIVE GUITAR AMPLIFIER COMPARATOR
 
Buy It Now or Best Offer$1,489.00Time left:21d 23h 2m
AIRCRAFT ALTERNATOR GENERATOR CHARGING SYSTEM AC DC VOLT AMP DIODE LOAD TESTER
 
Buy It Now or Best Offer$1,449.00Time left:5d 5h 18m
NEW CUSTOM MADE 0-140V@0-20A DUAL DIGITAL METERED CURRENT LIMITING BENCH VARIAC
 
Buy It Now or Best Offer$1,389.00Time left:19d 3h 6m
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:7d 2h 11m
NEW CUSTOM MADE ONE OF A KIND GENERAL RADIO PORTABLE DUAL METERED 10-AMP VARIAC
 
Buy it now$1,289.00Time left:12d 3h 46m
ANODIZING ELECTRO PLATING RECTIFIER CORROSION FREE PROTECTION PRESSURE AIR BOX
 
Buy It Now or Best Offer$1,289.00Time left:22d 4h 4m
AM RADIO LOOP ANTENNA ULTRA HIGH GAIN BROADCAST DX LONG DISTANCE SKIP RECEPTION
 
Buy It Now or Best Offer$1,289.00Time left:24d 5h 54m
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:7d 3h 51m
US MADE VIDEO AUDIO RECORDING STUDIO TRIPLE 1200WATT VARIAC WALL LIGHTING DIMMER
 
Buy It Now or Best Offer$1,089.00Time left:7d 2h 25m
NEW CUSTOM MADE PORTABLE DUAL METERED VARIABLE AC TRANSFORMER GUITAR AMP VARIAC
 
Buy It Now or Best Offer$1,089.00Time left:15d 21h 44m
NEW VIDEO AUDIO RECORDING STUDIO NOISE FREE 600 WATT VARIAC WALL LIGHTING DIMMER
 
Buy It Now or Best Offer$889.00Time left:7d 2h 24m
NEW CUSTOM MADE DUAL METERED VARIABLE TRANSFORMER TUBE AUDIO GUITAR AMP VARIAC
 
Buy It Now or Best Offer$889.00Time left:8d 22h 19m
KENYON KS-4 GYRO STABILIZER INVERTER BATTERY CHARGER CASE BINOCULARS GUN CAMERA
 
Buy It Now or Best Offer$889.00Time left:9d 2h 58m
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:16d 2h 56m
NEW CUSTOM MADE TEKTRONIX STYLE 0-140V@ 0-10A DUAL DIGITAL METERED BENCH VARIAC
 
Buy it now$789.00Time left:4d 20h 45m
USA MADE VIDEO AUDIO RECORDING STUDIO NO NOISE DUAL 1200W VARIAC LIGHTING DIMMER
 
Buy It Now or Best Offer$789.00Time left:7d 2h 33m
PARABOLIC MICROPHONE ULTRA DIRECTIONAL HIGH GAIN BIRD ANIMAL CALL SPORTS SPYING
 
Buy It Now or Best Offer$789.00Time left:15d 3h 26m
ONE-OF-A-KIND CUSTOM MADE VU METER STEREO AUDIO AMP AMPLIFIER BRASS STEAM PUNK
 
Buy It Now or Best Offer$749.00Time left:7d 2h 26m
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:7d 3h 37m
NO NOISE FREE DUAL VARIAC WALL TUNGSTEN LED VARIABLE LIGHTING FAN SPEED DIMMER
 
Buy It Now or Best Offer$689.00Time left:5d 23h 29m
RECORDING STUDIO NO NOISE FREE DUAL 300 WATT VARIAC IN WALL LIGHTING DIMMER LED
 
Buy It Now or Best Offer$689.00Time left:7d 2h 20m
USA AUDIO RECORDING STUDIO NO NOISE DUAL 300 WATT VARIAC IN WALL LIGHTING DIMMER
 
Buy It Now or Best Offer$689.00Time left:7d 2h 20m
USA AUDIO RECORDING STUDIO NO NOISE DUAL 600 WATT VARIAC WALL LIGHTING DIMMER
 
Buy It Now or Best Offer$689.00Time left:7d 2h 51m
NEW CUSTOM USA METERED ISOLATED VARIAC AC POWER SUPPLY SOURCE TUBE AUDIO TESTER
 
Buy it now$689.00Time left:12d 3h 51m
NEW WESTERN ELECTRIC VARIAC FOR VINTAGE 300B 2A3 TUBE AUDIO AMPLIFIER RACKMOUNT
 
Buy It Now or Best Offer$689.00Time left:28d 2h 20m
WATER CORROSION FREE REMOTE CONTROL COPPER NICKEL CHROME BRASS PLATING RECTIFIER
 
Buy It Now or Best Offer$649.00Time left:16d 20h 43m
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