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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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MCINTOSH MC-40 MC40 MONO TUBE AUDIO POWER AMPLIFIER OWNERS MANUAL COLOR B/W COPY
 
Buy it now$24.00Time left:2h 52m
BSA TRIUMPH NORTON COMMANDO VINCENT BLACK SHADOW EWARTS FUEL VALVE REBUILD KITS
 
Buy it now$48.20Time left:20h 47m
USA HP 6226A 0-40V@ 0-1.5A VARIABLE REGULATED METERED LINEAR LAB DC POWER SUPPLY
 
Buy it now$189.00Time left:20h 49m
USA MADE GR METERED VARIAC 4 TUBE AUDIO POWER GUITAR AMP AMPLIFIER VINTAGE RADIO
 
Buy it now$319.00Time left:22h 24m
4PC NIB NEW GERMAN ISOPHON P170/30 80W BASS WOOFER MID SPEAKER DRIVER LINE ARRAY
 
Buy it now$24.99Time left:22h 48m
AGILENT HP 6114A VARIABLE REGULATED DC CALIBRATOR POWER SUPPLY REFERENCE SOURCE
 
Buy It Now or Best Offer$589.00Time left:1d 4h 40m
LAMBDA EMS 13-200-2-D 0-13V@ 0-200A DIGITAL VARIABLE ADJUSTABLE DC POWER SUPPLY
 
Buy It Now or Best Offer$1,289.00Time left:1d 20h 8m
150A 13V COPPER NICKEL CHROME ZINC SILVER GOLD TANK DC ELECTRO PLATING RECTIFIER
 
Buy It Now or Best Offer$989.00Time left:1d 22h 14m
LAMBDA GEN 60-55-3P208 0-60V@0-55A DIGITAL DC POWER SUPPLY 48V TELECOM RECTIFIER
 
Buy It Now or Best Offer$2,189.00Time left:1d 23h 32m
KEPCO USA ATE-55-10M 0-55V@ 0-10A VARIABLE REGULATED DUAL METER DC POWER SUPPLY
 
Buy it now$489.00Time left:2d 2h 45m
US STACO 3PN501 5-AMP 700W VARIABLE AC TRANSFORMER POWERSTAT VARIAC POWER SOURCE
 
Buy it now$189.00Time left:2d 20h 37m
USA POWERSTAT 116 VARIAC FOR VINTAGE TUBE AUDIO VALVE GUITAR AMP POWER AMPLIFIER
 
Buy it now$229.00Time left:2d 22h 6m
POWER DESIGN TP340 TRIPLE OUTPUT VARIABLE REGULATED LINEAR BENCH DC POWER SUPPLY
 
Buy It Now or Best Offer$349.00Time left:2d 22h 22m
LAMBDA GEN 600-5.5 0-600V@ 0-5.5A DIGITAL VARIABLE DC POWER SUPPLY RS232 RS-485
 
Buy it now$2,189.00Time left:2d 22h 36m
HP 403B AC RMS VOLTMETER ANALOG 4 24-TRACK CALIBRATION TUBE LIMITER AUDIO STUDIO
 
Buy it now$289.00Time left:3d 0h 15m
EICO 1078 DUAL METERED VARIAC VARIABLE AC POWER CONTROLLER EQUIPMENT TESTER >NEW
 
Buy It Now or Best Offer$389.00Time left:3d 1h 24m
AGILENT HP 6299A 0-100V@0-.75A REGULATED VARIABLE LINEAR METERED DC POWER SUPPLY
 
Buy it now$289.00Time left:3d 20h 53m
NEW NOISE CANCELLING PORTABLE HANDS FREE 2 WAY FIELD HEADSET INTERCOM TELEPHONE
 
Buy it now$189.00Time left:3d 22h 46m
LAMBDA LCS-A-04 0-60V@ 0-.37A VARIABLE DC POWER SUPPLY NUCLEAR INSTRUMENTATION
 
Buy It Now or Best Offer$389.00Time left:4d 3h 50m
0-600V DC ELECTRIC VEHICLE EV CAR HYBRID BATTERY CELL CHARGER MOTOR PWM TESTER
 
Buy it now$889.00Time left:4d 20h 43m
NEW VARIAC POWERSTAT DIAL PLATE BAKELITE POINTER KNOB 3/8" SHAFT AUTOTRANSFORMER
 
Buy it now$19.00Time left:4d 21h 0m
2 NEW CARTRIDGE HEATER IMMERSION PIPE THAWING BLOCK WATER FLUID HOT PROCESS WELL
 
Buy it now$24.99Time left:4d 21h 56m
KEPCO ATE 15-6M 0-15V@ 0-6A VARIABLE REGULATED METERED LAB BENCH DC POWER SUPPLY
 
Buy it now$249.00Time left:4d 23h 48m
KEPCO USA ATE-25-20M 0-25V@ 0-20A VARIABLE REGULATED DUAL METER DC POWER SUPPLY
 
Buy it now$449.00Time left:5d 0h 27m
> NEW USA STACO 3PN1010 0-120/140V VARIABLE AC 10-AMP VARIAC LIFETIME WARRANTY
 
Buy it now$269.00Time left:5d 2h 12m
NEW CUSTOM 330W METERED ISOLATED VARIAC AC POWER SUPPLY SOURCE TUBE AUDIO TESTER
 
Buy it now$449.00Time left:5d 3h 41m
NEW VARIAC POWERSTAT OHMITE STACO ADJUST A VOLT DIAL PLATE KNOB AUTOTRANSFORMER
 
Buy it now$19.00Time left:5d 20h 20m
BEHLMAN BL3X350C-8-I-L VARIABLE FREQUENCY 50 400 HZ 3-PHASE AC POWER SUPPLY GPIB
 
Buy it now$3,989.00Time left:5d 22h 49m
NEW ULTRA BRIGHT 12 VOLT DC SOLAR WHITE LIGHT BOAT MARINE LIGHTING > LED LAMP
 
Buy it now$9.99Time left:5d 23h 4m
BSA TRIUMPH NORTON VINCENT VELOCETTE AJS SEAGULL EWARTS FUEL VALVE REBUILD KITS
 
Buy it now$48.00Time left:5d 23h 43m
ORIGINAL GENERAL RADIO KNOB SET 4 FAIRCHILD 670 STEREO AUDIO LIMITER COMPRESSOR
 
Buy it now$449.00Time left:6d 0h 19m
BARCUS BERRY 1333 SUPER BOOST INSTRUMENT TRANSDUCER PICK-UP PREAMP PREAMPLIFIER
 
Buy It Now or Best Offer$49.00Time left:6d 2h 45m
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 3h 1m
NEW NOS VINTAGE SHURE M67 MICROPHONE AUDIO MIXER CLASS A TRANSFORMER MIC PRE
 
Buy It Now or Best Offer$289.00Time left:6d 3h 43m
NEW GENERAL RADIO TECHNIPOWER VB1 2AMP VARIAC BRUSH W2 W2M W2MT3 W2G3 W5H M2
 
Buy it now$29.00Time left:6d 21h 23m
HEPA FILTERED PRESSURIZED AIR COOLED MISSION CRITICAL HACKINTOSH COMPUTER CASE
 
Buy It Now or Best Offer$3,989.00Time left:6d 22h 21m
ENVIRONMENTALLY PROTECTED MICRO FILTERED PRESSURIZED AIR SLIDE OUT COMPUTER CASE
 
Buy It Now or Best Offer$3,989.00Time left:6d 22h 21m
LAMBDA ESS 130-115-11-D 0-130V@0-115A DIGITAL VARIABLE REGULATED DC POWER SUPPLY
 
Buy it now$4,989.00Time left:6d 22h 22m
TYPE III 3 HARD COAT ALUMINUM ANODIZING TITANIUM COLORING DC PLATING RECTIFIER
 
Buy it now$389.00Time left:6d 22h 59m
KEPCO ATE 100-2.5M 0-100V@ 0-2.5A VARIABLE REGULATED METERED DC LAB POWER SUPPLY
 
Buy it now$389.00Time left:6d 22h 59m
NEW LAMBDA SE-500-3 24 28 VOLT 19-29V@ 0-25A VARIABLE REGULATED DC POWER SUPPLY
 
Buy It Now or Best Offer$389.00Time left:6d 23h 1m
STACO 3PN171 USMADE! VARIAC TUBE AUDIO POWER PREAMP AMPLIFIER VINTAGE HAM RADIO
 
Buy it now$119.00Time left:6d 23h 6m
STACO 3PN171 0-130V 225W AC OUTPUT VARIAC VARIABLE TRANSFORMER LIFETIME WARRANTY
 
Buy it now$99.00Time left:6d 23h 6m
IVIE IE-2P BRUEL & KJAER MEASUREMENT MICROPHONE PREAMP IE-30A SPECTRUM ANALYZER
 
Buy it now$289.00Time left:7d 0h 53m
NEW INSTALLATION REPAIR MANUAL COPY 4 BENMAR CP-3050 A BUS RV BOAT WATER HEATER
 
Buy it now$19.00Time left:8d 1h 9m
NEW SUPERIOR ELECTRIC POWERSTAT VARIAC BRUSH RB1256B 1256D MB1256D 1256DU 1256DT
 
Buy it now$89.00Time left:8d 1h 12m
BSA TRIUMPH NORTON VINCENT BLACK SHADOW VELOCETTE EWARTS FUEL VALVE REBUILD KIT
 
Buy it now$24.99Time left:9d 20h 48m
66 NORTON MANX BRITISH MOTORCYCLE EWARTS FUEL VALVE PETCOCK REPAIR REBUILD KIT
 
Buy it now$24.99Time left:9d 21h 28m
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