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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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259 results found in all categories
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SUPERIOR ELECTRIC USA POWERSTAT UC1M VOLT BOX METERED VARIAC LIFETIME WARRANTY!
 
Buy it now$349.00Time left:2h 19m
ONE-OF-A-KIND CUSTOM ELECTRONIC TEST BENCH ART VINTAGE METERED VARIAC PHOTOS CD
 
Buy it now$9.99Time left:2h 23m
DIGITAL VIDEO LOCATION STUDIO GRIP 3K FRESNEL PAR LIGHT NOISE FREE DIMMER VARIAC
 
Buy It Now or Best Offer$789.00Time left:2h 35m
NEW POWERSTAT 3PN116C 116C 216C DIAL PLATE KNOB VARIAC VARIABLE AUTO TRANSFORMER
 
Buy it now$19.00Time left:5h 33m
NEW SUPERIOR ELECTRIC POWERSTAT VARIAC BRUSH RB1256B 1256D MB1256D 1256DU 1256DT
 
Buy it now$89.00Time left:1d 2h 14m
POWERSTAT VARIAC VINTAGE MARSHALL TUBE VALVE GUITAR AMPLIFIER LIFETIME WARRANTY
 
Buy it now$269.00Time left:1d 2h 20m
MCINTOSH MC-40 MC40 MONO TUBE AUDIO POWER AMPLIFIER OWNERS MANUAL COLOR B/W COPY
 
Buy it now$24.00Time left:1d 8h 21m
TOPAZ 70306 2KW ISOLATED AC POWER REGULATOR CONDITIONER LINE VOLTAGE STABILIZER
 
Buy It Now or Best Offer$589.00Time left:1d 8h 31m
NEW! 1913 V-TWIN SIDE VALVE CUSTOM MADE USA BELT DRIVE ANTIQUE MOTORCYCLE PHOTOS
 
Buy it now$14.99Time left:1d 9h 41m
HP USA SINE WAVE SWEEP AUDIO OSCILLATOR GUITAR AMPLIFIER AMP SPEAKER TEST SIGNAL
 
Buy it now$189.00Time left:1d 9h 42m
HP AGILENT 403B ANALOG AC RMS VOLTMETER 5HZ-2MHZ MILLIVOLT METER AUDIO LEVEL VU
 
Buy it now$289.00Time left:1d 9h 43m
HP 403B AC RMS VOLTMETER ANALOG 4 24-TRACK CALIBRATION TUBE LIMITER AUDIO STUDIO
 
Buy it now$289.00Time left:1d 9h 44m
WATER CORROSION FREE PLATING RECTIFIER DIGITAL REMOTE CONTROL 0-900 AMPS AMMETER
 
Buy It Now or Best Offer$449.00Time left:1d 9h 47m
ANODIZING ELECTRO PLATING RECTIFIER CORROSION FREE PROTECTION PRESSURE AIR BOX
 
Buy It Now or Best Offer$489.00Time left:1d 9h 47m
ANODIZING ELECTRO PLATING RECTIFIER CORROSION FREE PROTECTION PRESSURE AIR BOX
 
Buy It Now or Best Offer$1,289.00Time left:1d 9h 48m
ANODIZING ELECTRO PLATING RECTIFIER CORROSION FREE PROTECTION PRESSURE AIR BOX
 
Buy It Now or Best Offer$589.00Time left:1d 9h 49m
WATER CORROSION PROOF REMOTE CONTROL COPPER NICKEL SILVER ZINC PLATING RECTIFIER
 
Buy It Now or Best Offer$649.00Time left:1d 9h 49m
WATER CORROSION FREE REMOTE CONTROL COPPER NICKEL CHROME BRASS PLATING RECTIFIER
 
Buy It Now or Best Offer$649.00Time left:1d 9h 50m
WATER CORROSION FREE REMOTE CONTROL ALUMINUM ANODIZING ANODIZE PLATING RECTIFIER
 
Buy It Now or Best Offer$649.00Time left:1d 9h 50m
USA MADE GR METERED VARIAC 4 TUBE AUDIO POWER GUITAR AMP AMPLIFIER VINTAGE RADIO
 
Buy it now$349.00Time left:2d 3h 52m
TILTALL LIGHT STAND DIGITAL VIDEO PHOTO LOCATION STUDIO LIGHTING 5/8" BABY PIN
 
Buy it now$30.00Time left:2d 10h 29m
0-1000W 1K VIDEO FILM LIGHTING LIGHT DIMMER TUNGSTEN QUARTZ LED ARRI MOLE LOWEL
 
Buy it now$89.00Time left:3d 1h 43m
NEW VARIAC POWERSTAT DIAL PLATE BAKELITE POINTER KNOB 3/8" SHAFT AUTOTRANSFORMER
 
Buy it now$19.00Time left:3d 3h 10m
USA MADE TECHNIPOWER W10MT3A 0-10A DUAL METERED VARIAC LIFETIME GUARANTEE > NEW
 
Buy it now$549.00Time left:3d 4h 16m
 USA MADE DUAL METERED VARIAC FOR AUDIO RESEARCH VTM200 AUDIO TUBE AMP AMPLIFIER
 
Buy It Now or Best Offer$549.00Time left:4d 3h 25m
NEW GENERAL RADIO GENRAD TECHNIPOWER VB2 5AMP 5A VARIAC BRUSH W5 W5MT3 W5MT3A M5
 
Buy it now$29.00Time left:5d 2h 54m
NEW POWERSTAT 3PN116B 116B 216B DIAL PLATE KNOB VARIAC VARIABLE AUTO TRANSFORMER
 
Buy it now$19.00Time left:5d 3h 14m
USA POWERSTAT 116 VARIAC FOR VINTAGE TUBE AUDIO VALVE GUITAR AMP POWER AMPLIFIER
 
Buy it now$229.00Time left:5d 3h 35m
NEW NOISE CANCELLING PORTABLE HANDS FREE 2 WAY FIELD HEADSET INTERCOM TELEPHONE
 
Buy it now$189.00Time left:5d 4h 15m
EICO 1078 DUAL METERED VARIAC VARIABLE AC POWER CONTROLLER EQUIPMENT TESTER >NEW
 
Buy It Now or Best Offer$389.00Time left:5d 6h 53m
NEW CUSTOM 330W METERED ISOLATED VARIAC AC POWER SUPPLY SOURCE TUBE AUDIO TESTER
 
Buy it now$449.00Time left:5d 9h 10m
US MADE VIDEO AUDIO RECORDING STUDIO NO NOISE 300W VARIAC WALL LIGHTING DIMMER
 
Buy it now$289.00Time left:6d 2h 6m
4PC NIB NEW GERMAN ISOPHON P170/30 80W BASS WOOFER MID SPEAKER DRIVER LINE ARRAY
 
Buy it now$24.99Time left:6d 2h 9m
"THE EMPEROR'S NEW AUDIO" EVERYTHING YOU KNOW ABOUT AUDIO IS VERY LIKELY WRONG!!
 
Buy it now$1.00Time left:6d 2h 22m
ORIGINAL GENERAL RADIO KNOB SET 4 FAIRCHILD 670 STEREO AUDIO LIMITER COMPRESSOR
 
Buy it now$449.00Time left:6d 5h 47m
BSA 500 GOLDSTAR MOTORCYCLE CARBURETOR EWERTS FUEL TANK VALVE PETCOCK REPAIR KIT
 
Buy it now$24.99Time left:6d 8h 24m
DRCO USA CUSTOM MADE DUAL RANGE 0-2A 0-20A ANALOG SIMPSON AMPS METER FOR VARIACS
 
Buy It Now or Best Offer$289.00Time left:6d 8h 30m
NEW INSTALLATION REPAIR MANUAL COPY 4 BENMAR CP-3050 A BUS RV BOAT WATER HEATER
 
Buy it now$19.00Time left:7d 5h 37m
VOLTBOX METERED VARIAC FOR AUDIO POWER AMP VACUUM TUBE TESTER LIFETIME WARRANTY!
 
Buy it now$349.00Time left:7d 6h 52m
NEW WESTERN ELECTRIC VARIAC FOR VINTAGE 300B 2A3 TUBE AUDIO AMPLIFIER RACKMOUNT
 
Buy It Now or Best Offer$689.00Time left:7d 8h 4m
POWERSTAT VSPN116B METERED VARIAC 4 VINTAGE TUBE RADIO VARIABLE AC POWER TESTER
 
Buy it now$369.00Time left:7d 8h 47m
US MADE VIDEO AUDIO RECORDING STUDIO NO NOISE 300W VARIAC WALL LIGHTING DIMMER
 
Buy it now$329.00Time left:7d 9h 58m
BSA TRIUMPH NORTON VINCENT VELOCETTE AJS SEAGULL EWARTS FUEL VALVE REBUILD KITS
 
Buy it now$48.00Time left:8d 1h 58m
NEW VOCAL DYNAMIC CONDENSER MICROPHONE PADDED SHIPPING TRANSPORT SAFE CASE FOAM
 
Buy it now$9.99Time left:8d 5h 53m
GENERAL RADIO W5MT3A METERED VARIAC FOR AUDIO RESEARCH D150 SP3 TUBE AUDIO AMP
 
Buy it now$449.00Time left:9d 1h 47m
BSA TRIUMPH NORTON COMMANDO VINCENT BLACK SHADOW EWARTS FUEL VALVE REBUILD KITS
 
Buy it now$48.20Time left:9d 1h 54m
STACO USA! L1010VA METERED VARIAC 4 MCINTOSH MC240 75 MC275 TUBE AUDIO POWER AMP
 
Buy It Now or Best Offer$549.00Time left:9d 4h 57m
NEW GENERAL RADIO GENRAD TECHNIPOWER VBT-8 VARIAC BRUSH W20 W20M W20MT M20 W20BB
 
Buy it now$99.00Time left:9d 4h 57m
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