View Full Version : Power Supplies

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  1. Solid state power supply for tube amplifier.
  2. Power Transformer Rating Mythology?
  3. basic question about audio power
  4. Dropping Transformer Voltage
  5. 230V Distribution Box with DC blocker and 2 stage AC Filter
  6. Need help about Toroidal transformer core
  7. inductor in series with transformer primary to reduce secondary voltage?
  8. Need to drop vdc voltage in my B+ supply
  9. Help me to find this power recepticle.
  10. how to wire antek transformator to E-01 AMP?
  11. Capacitor bank for ps supply filter
  12. Ultra-Fast Avalanche Sinterglass Diode for small current psu rectification?
  13. Salas Bib questions
  14. Power supply CD PRO2
  15. Connect to what?
  16. Converting my Sun Audio monoblocks to IEC and safety earth
  17. Luxman RV-357 Standby LED Indicator???
  18. dc/dc isolated transformer
  19. 3-pin PSU's for 1.2V, 3.3V and 5V?
  20. Marantz PM4400 - Change 230V to 115V
  21. output impedance in shunt reg sim
  22. Need Power Supply
  23. Power relay
  24. 5AR4 in a input choke
  25. Question on Vacuum State SuperReg
  26. 48V phantom power supply keeps blowing fuse
  27. Laminations - who needs 'em
  28. What choke is best
  29. Which power cable between separate power supply and dac?
  30. 4-pole cap in bipolar power supply
  31. Variable Power Supply
  32. ATX supply -> Cmoy, single or split?
  33. xd218 4x10000uF 100v board
  34. Variable-delay output muting PCB for preamps, linestages, et al
  35. Single touch power on/off switch
  36. NAD VISO 1 Power Supply
  37. LLC resonant power suply design
  38. Noob Trafo question
  39. Power supply ratings when using step down voltage regulators
  40. Stacking board level heatsinks
  41. Proper RC Snubbering
  42. Help lowering noise in big series pass regulator circuit
  43. Bucking transformer current load
  44. Leakage inductance of a transformer
  45. Lithium-ion power bank
  46. Help with discrete voltage regulator
  47. LiFePO4 battery psu for PUC2 Lite USB-AES converter
  48. PSU RC filter vs. VR regulator tube
  49. Boost Converter w/ positive AND negative output
  50. 55 MHz opamp + MOSFET pass xitor in 1 amp Voltage Regulator
  51. Multipurpose Transfo,Dual (+/-)DC Power for Pre and Power Amp 's
  52. Harman Kardon HK775 mono amp capacitor power rating
  53. Reccomend a small transformer for power supply?
  54. designing a DC to DC buck converter Layout errors.
  55. Power supply for tube preamp - Help!
  56. Help with inductor and capacitor values?
  57. power supply
  58. Power transformer question
  59. Dual Transformer Power Supply Chassis Grounding?
  60. Power conditioning IEC inlet filter with earth line choke?
  61. power supply for tda7294
  62. Mosfet suply switching steps 3 p / class H amplifier
  63. Pros and cons of using Dual transformers in amplifier
  64. Switchmode ICs
  65. smoothing caps getting warm
  66. ARC SP8 tube reg rebuild
  67. Noob Question: Wiring a battery system
  68. Input switch / Mute delay using 555
  69. B+ ripple filler filtering
  70. Hot chassis death traps
  71. 300V & 12.6V regulated power supply.
  72. Nat Semi datasheet app note improved my power supply
  73. DIY mains synthesizer
  74. Schematic and measuring results for Connexelectronic SMPS300RE
  75. Is this how to create a full wave rectifier?
  76. A good power supply for the LDR attenuator?
  77. r core for drd amp
  78. Strange part in Mcintosh MC-225 power supply - please help
  79. How do I Wire this switch?
  80. Wallwart PS Suppliers
  81. Replacing caps 50uf with 47UF
  82. Power supply questions for modular DAC project
  83. Floating PSU
  84. Fusing transformers
  85. Where can buy those earthing rods?
  86. PSU Question
  87. Can I connect 2 LM317 regulators to dual supply rail?
  88. VA rating needed for Single End Power Supply
  89. Evaluating Tube Diodes as Rectifiers
  90. Switchmode transformer
  91. power supply wire 6 and 7
  92. Need Help with Power Supply for TDA7294 Chip Amp
  93. Damaged Transformer?
  94. Diode help! 18VAC --> diodes --> CRC 44mF-0.22R-44mF --> 24VDC @ 1.5-2.0A
  95. Would it be better to have the AC power supply in an external case
  96. PSU's for modular DAC, by a novice. Questions
  97. advantages of 2 power transformers
  98. +/- 120V,12mA from +12V using flyback?
  99. SMPS making
  100. GZ32 vs ss rectifier
  101. Big size and low capacitance - are there any rules?
  102. How do I determine polarity on a dual primary toroid?
  103. Mains Filter
  104. Stomp box supply
  105. Replacing transformer with DC power
  106. AA DLC PS Solution
  107. Another PSU Transient Load Tester ("chop chop box")
  108. Need Help with TDA2052 Power Supply
  109. Transformer got really hot because I wired it wrong
  110. 12VDC Linear PSU
  111. Full wave center tapped power supply defies the laws of physics
  112. 1.2 kW regulated power supply
  113. Two-section 500V electrolytic caps for cheap (new production)
  114. 0-50V 0-10A Variable SMPS
  115. need help with battery selection for my amp
  116. Tube power supply
  117. First PSU Build help!!!
  118. Suitable chips for 15v down to 3.3v
  119. When to use artificial center tap
  120. PSU sizing and limiting input gain for targeted output / THD ??
  121. MAX1771 stability issues
  122. Is this transformer a good start for a class D amp power supply?
  123. Circuit reduces PS noise by up to 26db
  124. using lundahl anode chokes for power supply
  125. Tungar Power Supply
  126. TL783, extending voltage range
  127. Distorted sine wave on transformer secondary...
  128. half bridge secondary voltage
  129. What swhitch to use for diy amp
  130. Two transformers
  131. Which Universal PSU for various AMP builds?
  132. Speed control for 120vac fan that does not add noise
  133. Can i buld a 5V DC PSU using Toroidal 15V @ 30VA
  134. 5V +/- Powersupply feedback
  135. humming sound
  136. Alternatives for MJ4502 and LM301A
  137. Toroid transformer winding
  138. Isolation transformer - does a cap on the secondary give any benefit?
  139. Stepdown trafo and possible rewind......
  140. What's A Good replcement transforer for Adcom GFA 535
  141. Counterpoint SA3000 power supply
  142. tracking down a possible electrical problem
  143. A puzzler of sorts (grounding problem).
  144. LM317 + 2 Transistors "Class A" Regulator?
  145. Voltage Regulator Question
  146. Heat sink insulators for Indigo "Bash" plate amplifier switching power supply
  147. PSU upgrade for Meitner PA6i Preamp
  148. Marantz M7C HT Regulator Adjustment
  149. Power Supply for ancient Goldmund Mimesis 10 DAC
  150. How do I limit current flow from a Car battery to an amp?
  151. power supply rail voltage too high
  152. Calculating input current
  153. Duel supply from 12V battery
  154. Moved: EU transformer for an Hafler 9505 Transnova?
  155. Store/latch fault signal
  156. Testing a New Design Shunt Regulator
  157. Failed attempt of Jung/Didden superreg PCB redesign
  158. Can I run a CB radio and Sub off of 1 amplifier?
  159. 317/337 based virtual ground PS
  160. When split supply from a single gives uneven rail voltages...
  161. Filtering the HF hash of a SMPS
  162. Reduce Transformer Output?
  163. Building the SBT PSU
  164. Art Audio Quintett Schematics
  165. I need a simple compact rectification & smoothing circuit to power 5v/12v electronics
  166. SMPS advice for headphone amp
  167. thyristor reset
  168. PS for Musical Fidelity V90 DAC
  169. Help please, I'm almost there fixing a SMPS!
  170. Notebook power supply and tube heater
  171. How to start PSU without motherboard - Dell PowerEdge 6850 1470W
  172. Beta testers wanted for discrete regulator
  173. simple zener string for psu regulation for ICs
  174. Use inductors to prevent diode-caused oscillation?
  175. Need wiring help for dual rail in R core
  176. Cap Multiplier: Before or After the Regulator?
  177. Audio Power Tranformer with 6 Primary Wires
  178. Capacitors battle Cheap vs Slighty Expensive
  179. Mystery load current spike in dual rail 9V low-battery cutoff circuit
  180. Schematic for LR8 IRF840 variable PSU?
  181. Half-Bridge SMPS with PFC
  182. Era Transpac LC325 5a power supply question
  183. 24VAC 50VA transformer project suggestion
  184. Coil for Active PFC stage
  185. SU power calcs
  186. power solutions for portable 19-24v tpa3116
  187. SMPS welding inverter soft LVI switcher.
  188. Fusing an SMPS
  189. 2400VA
  190. 10kW SMPS Amorphous / Nanocrystaline core
  191. TPS7A49 ultra low noise LDO - trouble
  192. Cooling of bridge rectifier
  193. nuforce icon hdp power supply
  194. Yet Another Transformer Identification Thread
  195. Asking about Power supply #PS1 of Audible Illusions
  196. Odd taps on Raphaelite PT
  197. old diode
  198. SMPS capacitance questions
  199. Best option for 9V rechargeable batteries
  200. Replacing diodes with Schottky type ones in PS - any drawbacks ?
  201. Old Style DCB1 vs Hot Rod DCB1? whats the difference in sch?
  202. Salas Extended version?
  203. Weird voltages on toroidal transformer output
  204. 20Amp upto 90V shunt Reg simpler version
  205. Noise reduction with massive choke?
  206. A little tester to determine transformer PhaseDots with no scope or signal generator
  207. Please help to choose a step-down controller chip
  208. Microphone pre-amp phantom supply
  209. TPS7A4001 vs Salas shunt Reg
  210. Synchronous Rectifier Controller
  211. Amp power Supply
  212. One secondary voltage and two biases
  213. 6 tap auto transformer/Variac help please
  214. general smps power supply troubleshooting question
  215. Mains filtering for a digital equipment.
  216. My spin of a DC filter board
  217. Power Supply Caps - Standard vs Audio
  218. Specification of a toroidal transformer
  219. looking for diodes
  220. 12V trigger and triac
  221. LM317 Based Tracking Preregulator Dual PSU
  222. Can i use SMPS as a Toroidal transformer?
  223. Powering Stompboxes With Dual Supply From A Single Battery
  224. Supply capacitors for Voltage Regulators
  225. LT1963A & LT3015
  226. Why use tubes in the power supply?
  227. Board mount SMPS for a preamp or active crossover
  228. ir remote, control signal, or audio input power on circuitry?
  229. Filter Cap Question for Power Regulators
  230. Waveform deformation and voltage drop in transformer
  231. Building my own Voltage Regulator
  232. Building a 3,3 volt rechargeable circuit
  233. 4 Pole AC Mains
  234. Quad 303 main caps 5600uf too much?
  235. PSU rectifiers (alternative to On-semi B40250TG)
  236. having problem with negative salas
  237. signal ground to earth connection
  238. Stabilizing DC heaters [newbie]
  239. Ohm's Law application: choosing a resistor
  240. Tube power supply.
  241. Ceramic caps & Piezzo noise on digital stufs
  242. Induced buzz in Hammond 374bx
  243. Identyfying ferrite core material
  244. capacitor across main power switch
  245. Can a toroidal transformers be replaced with batteries?
  246. 10x8 Raw DC board with CR(L)C filter
  247. DC-DC converters
  248. Quick PS inrush limiting (NTC) question
  249. Newbie looking for a 12v 3a PSU
  250. toroidal transformers

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