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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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223 results found in Variable lab Power Supplies
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USA MADE HP 721A 0-30 VOLTS VARIABLE REGULATED METERED LAB BENCH DC POWER SUPPLY
 
Buy it now$129.00Time left:2h 3m
AGILENT HP 6227B DUAL TRACKING OUTPUT VARIABLE REGULATED BIPOLAR DC POWER SUPPLY
 
Buy it now$389.00Time left:7h 35m
LAMBDA LK362-FMOV 0-60V@0-25A VARIABLE DC POWER SUPPLY
 
Buy it now$989.00Time left:7h 50m
LAMBDA TCR 40S70-2 0-40V@0-70A VARIABLE DC POWER SUPPLY
 
Buy it now$1,389.00Time left:7h 51m
SORENSEN SRL 60-17 0-60V@0-17A METERED DC POWER SUPPLY
 
Buy it now$689.00Time left:7h 51m
SORENSEN DCR 60-9B 0-60V@0-9A REGULATED DC POWER SUPPLY
 
Buy it now$449.00Time left:7h 51m
USA 300B 252A TUBE AUDIO POWER PRE AMPLIFIER VARIABLE DC B+ BIAS FILAMENT SUPPLY
 
Buy it now$489.00Time left:1d 1h 55m
LAMBDA 71 0-500V TUBE AUDIO POWER AMPLIFIER VARIABLE REGULATED 300B B+ DC SUPPLY
 
Buy it now$689.00Time left:1d 4h 30m
AGILENT HP 6253A DUAL OUTPUT 20/40V REGULATED VARIABLE METERED DC POWER SUPPLY
 
Buy it now$389.00Time left:1d 6h 49m
LAMBDA USA 0-40V@0-25A DC POWER SUPPLY AVIONICS NAVCOM RADAR STATIC INVERTER GPS
 
Buy it now$689.00Time left:1d 6h 53m
SORENSEN DCR 150-3B 0-150V@ 0-3A VARIABLE REGULATED DC LAB METERED POWER SUPPLY
 
Buy it now$489.00Time left:1d 8h 16m
0-120 DC POWER SUPPLY TUBE AUDIO AMP FIELD COIL SPEAKER
 
Buy it now$249.00Time left:1d 8h 26m
LAMBDA 0-40V REGULATED METERED VARIABLE DC POWER SUPPLY
 
Buy it now$129.00Time left:1d 8h 27m
SORENSEN DCR 20-25B 0-20V@0-25A REGULATED VARIABLE METERED BENCH DC POWER SUPPLY
 
Buy it now$449.00Time left:2d 1h 20m
LAMBDA LP-412A-FM 0-40V REGULATED VARIABLE DUAL METERED DC POWER SUPPLY AVIONICS
 
Buy it now$189.00Time left:2d 5h 21m
LAMBDA USA LP-412A-FM 0-40V REGULATED VARIABLE METERED LAB BENCH DC POWER SUPPLY
 
Buy it now$189.00Time left:2d 5h 21m
LAMBDA LP-414A-FM 0-120V@ 0.2A VARIABLE DC POWER SUPPLY
 
Buy it now$249.00Time left:2d 6h 12m
USA MADE LAMBDA LQD-425 0-250V @ 0-130MA DUAL OUTPUT DIGITAL DC LAB POWER SUPPLY
 
Buy it now$489.00Time left:2d 7h 30m
VARIABLE OUTPUT 0-500V B+ TUBE GUITAR AMPLIFIER AMP TRANSFORMER DC POWER SUPPLY
 
Buy it now$489.00Time left:2d 7h 36m
0-20V@ 0-30A DIGITAL REGULATED VARIABLE DC POWER SUPPLY
 
Buy it now$489.00Time left:2d 7h 37m
POWER TEN 3300D-2030 0-20V@0-30A DIGITAL METER VOLTS AMPS VARIABLE DC LAB SUPPLY
 
Buy it now$489.00Time left:2d 7h 37m
LAMBDA LL-905 0-120V @ 0-65MA VARIABLE DC POWER SUPPLY
 
Buy it now$189.00Time left:3d 3h 31m
LAMBDA LK 343A 0-36V@ 0-9A REGULATED DC LAB BENCH POWER SUPPLY
 
Buy it now$349.00Time left:3d 20h 56m
0-350V DC POWER SUPPLY VARIAC 300B TUBE AUDIO AMPLIFIER
 
Buy it now$449.00Time left:3d 20h 57m
PORTABLE 0-150V DC POWER SUPPLY CIRCUIT BREAKER TESTER
 
Buy it now$2,289.00Time left:3d 20h 58m
HP 6034A 0-60V@ 0-10A DIGITAL LAB DC POWER SUPPLY GP-IB
 
Buy it now$989.00Time left:3d 20h 59m
KEPCO TRIPLE OUTPUT VARIABLE REGULATED DC POWER SUPPLY
 
Buy it now$249.00Time left:3d 20h 59m
HP 6226A 0-40V@ 1.5A VARIABLE REGULATED DC POWER SUPPLY
 
Buy it now$189.00Time left:3d 20h 59m
LAMBDA 0-60V DIGITAL REGULATED VARIABLE DC POWER SUPPLY
 
Buy it now$349.00Time left:3d 21h 0m
LAMBDA ESS 60-165-8-D-RSTL 0-60V@0-165A DIGITAL VARIABLE DC POWER SUPPLY RS-232
 
Buy it now$4,489.00Time left:3d 21h 0m
LAMBDA 0-60V@0-25AMPS REGULATED METERED DC POWER SUPPLY
 
Buy it now$989.00Time left:3d 21h 0m
LAMBDA USA MADE LQ-532 0-40V@ 0-5A VARIABLE REGULATED DIGITAL DC POWER SUPPLY
 
Buy it now$349.00Time left:3d 21h 0m
SORENSEN USA DCR 60-45B 0-60V@ 0-45A METERED VARIABLE REGULATED DC POWER SUPPLY
 
Buy it now$1,489.00Time left:3d 21h 4m
AGILENT HP 6434B 0-40V@0-25A VARIABLE REGULATED DC POWER SUPPLY AIRCRAFT CHARGER
 
Buy it now$689.00Time left:4d 7h 56m
AGILENT HP 6434B 0-40 VOLT 0-25 AMPS VARIABLE REGULATED METERED DC POWER SUPPLY
 
Buy it now$689.00Time left:4d 7h 56m
NEWIB DC POWER SUPPLY TUBE AUDIO AMP FIELD COIL SPEAKER
 
Buy it now$389.00Time left:4d 23h 30m
POWER DESIGN TP340 TRIPLE OUTPUT VARIABLE REGULATED LINEAR BENCH DC POWER SUPPLY
 
Buy it now$289.00Time left:5d 2h 1m
SORENSEN DCR 20-25B2 0-20V@ 0-25A REGULATED VARIABLE METERED DC LAB POWER SUPPLY
 
Buy it now$449.00Time left:5d 3h 46m
AGILENT HP 6235A TRIPLE OUTPUT VARIABLE REGULATED METERED DC BENCH POWER SUPPLY
 
Buy it now$249.00Time left:5d 5h 15m
US MADE 500A 10KW CAR AUDIO POWER AMPLIFIER 12VDC POWER SUPPLY
 
Buy it now$3,989.00Time left:5d 5h 49m
US MADE AC LINE BREAKER PANEL WIRING GROUND BOND BONDING TESTER
 
Buy it now$3,989.00Time left:5d 5h 49m
US MADE POWER LINE BUILDING WIRING GROUND BOND BONDING TESTER
 
Buy it now$3,989.00Time left:5d 5h 49m
US MADE O-20VDC 500A BOAT ELECTRICAL SYSTEM TESTER POWER SUPPLY
 
Buy it now$3,989.00Time left:5d 5h 49m
KEPCO ABC 1500M 1500V DIODE SEMICONDUCTOR BURN-IN OVEN DC REGULATED POWER SUPPLY
 
Buy it now$349.00Time left:6d 1h 19m
KEPCO ABC 1500M 0-1500V HIGH VOLTAGE REGULATED DC POWER SUPPLY
 
Buy it now$349.00Time left:6d 1h 19m
KEPCO ABC 1500M EMI RFI EMISSIONS ANECHOIC CHAMBER HIGH VOLTAGE DC POWER SUPPLY
 
Buy it now$349.00Time left:6d 1h 19m
KEPCO ABC 1500M LED SEMICONDUCTOR WAFER PROCESS CONTROL VARIABLE DC POWER SUPPLY
 
Buy it now$349.00Time left:6d 1h 19m
KEPCO ABC 1500M 1500V RF POWER AMPLIFIER PLASMA ETCHER VARIABLE DC POWER SUPPLY
 
Buy it now$349.00Time left:6d 1h 19m
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