PDA

View Full Version : Tubes / Valves


Pages : 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 [86] 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102

  1. Using the UTC LS-33 as a Push-Pull output for 2A3's
  2. 2A3 AC filament hum
  3. A question about diodes...
  4. 5R4WGY/A/B , input filter capacitors
  5. attenuator hook up?
  6. best material for mounting tubes sideways
  7. Amp suggestions needed
  8. CC vs EI I mean toroids are out of question
  9. Newbie need help in designing tube preamp for my 3886 GC??Please Help me!!
  10. Inviting Comment on Schematic
  11. SE 2A3 input stage
  12. DIY Tube Amp Questions
  13. Need tube buffer circuit for sub-woofer out
  14. How to connect electrostatic shield of power transformer?
  15. Your favourite filament supply for DHT's?
  16. Quantum Impex
  17. Channel Switching Real McTube?
  18. so who owns a dac5 or m8 phono
  19. OPT at frequency extremes
  20. Parafeed with resistive load
  21. EL34 SE triode mode A class sch wanted
  22. Dumont (where theres smoke theres sound)
  23. HYBRID- Schematic
  24. I have a pair of JBL control 5 speakers, which valve amp design you recommend?
  25. sovtek 300B
  26. 12au6 preamp
  27. Engineering Drawings PCB Mount Tube Sockets
  28. Help with a choke for first-time DIY...
  29. Power SRPP
  30. Anode Loading Vs. Cathode Loading ?
  31. Purist 2 Line Amp
  32. Yet Another "EURIDICE" Pre Amp, 4CH This Time
  33. radio receiver
  34. Pioneer SM83 and 500k pot
  35. How many ways to connect a pentode...
  36. How do I go about repairing a vintage Pilotone AA-410A monoblock tube amp?
  37. Any pitfalls to tapping voltage doubler?
  38. 5k to 100 or so line transformers
  39. Ongaku 211 and Supravox 215
  40. Help with 6B4G PP amp.
  41. Help me build my Choke I/P preamp PSU
  42. Pinging "DoomPixie"
  43. 6L6 mono amp questions
  44. Help on 300B power trans...
  45. Spud Farmin' Pt. Deux
  46. No Zen
  47. Reuse or rewind choke
  48. Bell Sound Mono Integrated Amplifier
  49. Help with Melos SHA repair
  50. Phase splitter transformers
  51. 6v6 schems
  52. Cathode feedback
  53. Is this a good choice for El34 PP
  54. 6DK6 amp schematics?
  55. so who here builds amps
  56. 3:1 Line Input X-former ?
  57. * 35 watt * 300B SE = super 300B + Class A2
  58. Quirk in Mullard 5-20 circuit
  59. LL1673 as anode load?
  60. preamp/power amp matching
  61. 0A3 and pentode questions (quickie)
  62. where to find transformer to use
  63. C core output design
  64. Unusual Motorola Console
  65. Improving the Aikido line stage...
  66. Poll..anyone interested in an Aikido linestage PCB group buy?
  67. New 6s45p compare to NOS?
  68. Elektra Print L-3500
  69. 300b tube cage
  70. The 'Tater Patch
  71. 2A3 Sovtek characteristics
  72. 300b filament q, yes another one.
  73. Amp repair help needed.
  74. 833a SE Peak A.F. Grid Voltage
  75. DHP driver for 845
  76. Fisher 55-a
  77. Ultralinear Miller capacitance
  78. Simplest OTL?
  79. presence control
  80. Black Gate N cathode formation voltage
  81. Any other reported fragility for 6H30pi?
  82. Help! circuit diagram
  83. Another Gm70 amp !!
  84. 833a Amp 75W SE
  85. Black Gate N-series question
  86. 300B+
  87. Koren's spice models
  88. 50 Power triode
  89. Vertical deflection tubes for audio output?
  90. warmth in different tube types
  91. OT data
  92. Sansui 1000A OPT's
  93. CF biasing and load ???s
  94. improving the Mcintosh C22
  95. An amp that melts 6L6s?
  96. 8ohm speaker on 15 or 3.5 ohm tranny
  97. Choosing a brand as a standard
  98. The power of transformation
  99. wanted- 845 pwr amp p.p.
  100. Heathkit S-33 Information needed.
  101. Leak Stereo 20 - solid state rectifier?
  102. My rebuild 6sn7gt tubes line pre-amp.
  103. CircuitMaker Vacuum Tube model
  104. Mf X-pre
  105. E182CC, E88CC SRPP at low voltage
  106. Debugging my Aikido
  107. SRPP linestage help
  108. Transformer question
  109. Tube Spice Model Problem
  110. Just found a zenith 7g01z in the basement
  111. your next level story - Philosophy of EE 101
  112. JLTI Tube Preamp
  113. squeal in amplifier
  114. ALTEC Line & Bridging Transformer Data??
  115. Tube noob needs some help on PSU
  116. Preamp PSU Design Help
  117. GZ37 Substitution?
  118. help disigning 12AY7 based mic pre
  119. I m confuse ! expert help
  120. Removing a pot.
  121. diyparadiso kits?
  122. Help with linestage power supply
  123. TX103 - RJM 6DJ8 - TX102 preamp
  124. Replace the field coil spk with Electromagnetic dynamic spk
  125. Gu50 output problems
  126. SRPP: adifferent perspective
  127. Fixed or self bias?
  128. 211 amp PSU question
  129. Help! transformer overheating!
  130. more ebay stuff
  131. 6KG6, output stage & PSpice
  132. 6C33C-B Failure Mode?
  133. manley 300b preamp schematic required
  134. 115 V transformer on 230 V ???
  135. Hoffman Amps Turret Lugs?
  136. 300B Reliablity
  137. What happens when you starve a heater?
  138. se 6c33c or se el34 schematic
  139. Altec A150C and 531B psu
  140. What's been broken?
  141. tubes here...
  142. Voltage drop AZ1 = AZ11 = RGN1064 rectifier tube
  143. The Beast...
  144. Looking for Mikael's KT88 Schematic
  145. 1.2k vs 2.5k TC on a 6550 amp?
  146. Ultimate Tube head phone amp.
  147. Selecting Output Transformers for My WOT Line Preamp
  148. Tube microphone
  149. OP tube convertible PP amps?
  150. The "Valvolozzo" - SE amp with torroids
  151. Phase Splitters
  152. A new setup, advice wanted
  153. 6e2 Magic eye datasheet
  154. Another linestage......
  155. VT52: are the triode and pentode alike?
  156. Long term planning
  157. vintage restoration
  158. Some doubt about my first Tube amp (Heater).
  159. Power supply for Single Ended Amplifier
  160. Another CD player DAC tube modification
  161. philips el6400 tubeamp
  162. How much power do I really need?
  163. 6H30 phono with passive RIAA
  164. I need help troubleshooting a EL84 push pull amp.
  165. Tube Data needed please
  166. Filament Transformer
  167. strange tube
  168. 12AX7 and 12AT7 numerical data
  169. DC/DC converter to power tube amp?
  170. Basic Cathode Follower buffer
  171. Help me!!! I need schematic of Pow-Amp using 6V6
  172. gi30, se pentode?
  173. Any experience with Chinese 6N8P
  174. Source for common mode chokes
  175. Low Power FM stereo transmitter?
  176. Rh807
  177. Replacing a power tube (used as driver for mosfet car amp)...how to bias?
  178. Question about sub out on amp
  179. opt question
  180. Tube socket wanted. (help where)
  181. voltage regulator using ECL84 + OB2
  182. Help! 6sn7GT
  183. tubes n needles
  184. PSpice/LTSpice model for 6AU6/EF94?
  185. 5AR4/GZ34 GT Britain
  186. CCS vs mu-follower. What's the difference?
  187. Need advice on two preamp kits.
  188. My First Tube Amplifier
  189. Output (beam) pentodes / tetrodes suitable for screen grid drive
  190. Patent applications of interest
  191. Rca
  192. Melos GK-1 Tube Pre-amp Schematic needed ...
  193. 6L6s and 6AR6s - what can I do with them?
  194. Line stage preamp, based on SY's "Heretical Unity gain line stage"
  195. 1600v HT supply for scope.
  196. Mc 275 CE schema
  197. Help! is this work?
  198. Some questons on a DIY system.
  199. pinout on 6GT5A tube
  200. 50Hz hum after increasing grid stopper
  201. A Heretical Unity Gain Line Stage part II
  202. 832A Push Pull 5W
  203. PSpice/LTSpice model for 12AY7/6072 wanted
  204. Is this circuit I drew ok?
  205. Suggest a preamp for cd/tuner
  206. EL84 to 6l6
  207. Tube-cad, is it worth the $40?
  208. Grounded Grid Preamp Project And Possible Group PCB Buy
  209. Can anyone sujest a good operating point for the PL84
  210. Preamp hiss noise
  211. Audio Note Trans 205 specs?
  212. Help translating russian tube datasheet
  213. Very high output level!
  214. Help wanted with valve data
  215. Boiling sound...
  216. Negative Feedback Ground
  217. low power SE with 813
  218. KT instead EL
  219. a single double triode and two chanel?
  220. 76 driving 211?
  221. My Experience with "Music Angel" EL34 PP
  222. 12JT6 in triode mode curves needed
  223. Where did these EL84 numbers come from?
  224. int. low signal
  225. FFT analysis-Truth or Consequence
  226. 6sn7gtb Filament Voltage
  227. Help with Tube Buffer for passive pre
  228. Is there a 12CM7?
  229. 12ax7
  230. tube driving the same tube - whats the collective word?
  231. 6c33c PSE
  232. 75% of rated max. current too high?
  233. ST shaped tube
  234. Tube Phono Pre of RJM
  235. how to determine P1 from P2 of a Push-pull transformer?
  236. fisher x100a
  237. Please review EL84M PP design before I order parts.
  238. Auction Gem Motorola? Go Figure!
  239. Darling amp plate voltage
  240. Sound quality of 6C4C is same with 2A3?
  241. 6,3VAC to 6,3VDC
  242. EL84 push pull idea
  243. Marantz preamp clone for newbie?
  244. Can I use Philips TB2.5 /400 in a SE ampl.
  245. Microwave + Computer = Tube? [help!]
  246. Plate Choke Miller Capacitance
  247. Anyone interested in building an EAR 834P?
  248. tube pre-amp
  249. Choke For Supply B+ Diy
  250. Audio Note DAC4 SRPP output stage problems!

Content Relevant URLs by vBSEO 3.3.2