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 99 100 101 102 103 104 105 106

  1. Tube ID 18R-AL1?
  2. 6l6gc Tube Drive
  3. Need a little help, TT and PC? Amp Kit?
  4. 12ax7 preamp
  5. 308/ecll800 Lorenz
  6. How did you do your Aikido?
  7. Thoughts on this 807 design
  8. Rectifier compatibilty
  9. Tube amp for biamped speaker
  10. 12ae6, 12fk6, 12fm6 diode specs
  11. Any software out there for taking the headache out of composite loadlines?
  12. Driving a single 6L6GC with 12AX7
  13. quick 50c5 to play around with
  14. A question about distortion in SE vs. PP designs:
  15. Need help on first tube amp rebuild -trans problems
  16. HAMMOND 125ESE Transformer WIRING
  17. preamp ps problem
  18. What does everybody really NEED???
  19. Marantz 7C still good today?
  20. Magnavox Chassis #196-55 Resistor Question
  21. 6BL7
  22. altec/peerless mystery amp
  23. 6gk8 triode pentode tube data
  24. Low Current Source
  25. Parallel Single-Ended Questions
  26. Tube power ratings
  27. 6DJ8 or 12xx7 for hybrid amp (Monarchy)
  28. What did I do wrong with LEGACY????
  29. seeking: tube for a SEP parallel feed like an EL84, but with a lower Ra
  30. Tube Tracer
  31. a question of tube behaviour
  32. Which tube? ECC82, 6SN7 or 6SL7
  33. oscillator
  34. The Covi Mark II Circlotron Amp
  35. HT transformers and polarity
  36. Hammond 156C - good Plate choke load??
  37. Music Man sixtyfive reverb head needs help!
  38. DIY pre-amp kit vote
  39. 6550 tubes
  40. Is the 6N6P a direct substitute for the 5687?
  41. SE amp using 1619 instead of 45 triode
  42. Akai M-7 Amp Schematics?
  43. asl 845 monos mods
  44. 3 stages... Two Power Supplies
  45. RCA 7094 tetrodes...
  46. KT88 push pull
  47. Tube amp fan?
  48. Ping gerd.....
  49. Need help finding Sovtel EL84M tubes
  50. Min. current draw for choke input?
  51. Passive RIAA with tubes
  52. Oscillation Mystery
  53. unison research P30K schem?
  54. Can I use a 5R4 GY in place of a 5AR4?
  55. Seeking for all Norman H. Crowhurst papers
  56. best way to elevate heater?
  57. Tube Load Line
  58. Homemade Vacuum Tube
  59. beardm70mk2-want less b+
  60. Need help with tube test data - fast
  61. Show me a schema 6Pi3C-E Push-pull
  62. Help about the 6SN7/5692 linestage
  63. Active load output stage
  64. Power supply question
  65. EL34 Triode Mode - G3 where?
  66. Is "reforming" Electrolytic Capacitors necessary?
  67. Screen grid driver for PL519?
  68. Best replacment for a 6F2
  69. Please Tell Me How To Modify And Upgrade My Music Angle 845 Amplifier?
  70. Pentode to Triode trick.
  71. 6550 making a Popping sound?
  72. Pie-eyed and puzzled...
  73. How about this schematic
  74. tube disorder
  75. PC choke in a preamp ?
  76. selective tone control
  77. time for a laugh
  78. Another New Build Pictures ( G' Amp )
  79. Help finding: 7-pin PCB socket, 90deg horizontal
  80. LC vs. CLC Theory
  81. Input transformer & volume pot
  82. MC34-B Quit working suddenly (newb)
  83. Golden Tube Audio 300B se
  84. Wanted: Pioneer sa-810 schematic
  85. se el34 finally
  86. Tube design question
  87. Marantz 8 clone build
  88. Active RIAA Eq for tubes- Brian Clark's article
  89. pre hums - even unplugged!
  90. Push Pull Preamplifier anybody?
  91. 6AN8 tube question
  92. Distortion in Fisher 800C
  93. 20% versus 43% screen tap
  94. Van der Veen transformers
  95. Want to upgrade Velleman K8020
  96. KT88 Power supply question
  97. TX coupled, pentode linestage
  98. phase splitter question
  99. New preamp project is online
  100. Newbie: Which amps to build?
  101. Which valve, 5842 (417A) or 6H30
  102. How do you punch out your chassis holes?
  103. recommend a 5Y3 based bass guitar amp?
  104. Help identifying tube tester
  105. paralelled tube
  106. ECC88 at 12 volts
  107. azarus preamplifier schematics
  108. Which valve amp do I keep?
  109. Favorite Driver for 845
  110. Somebody has that magazine?
  111. modify parallel push-pull EL84 to single push-pull
  112. How long it will last?
  113. Hurricane Wilma
  114. Suddenly, no output from Copland CTA-501
  115. 807 Audio Amp Progress Report
  116. Choke induced Hum
  117. Wim's DC EL84 amp
  118. Drivers for a KT88 pair
  119. what do u think of these tubes?
  120. 12BH7 spice 3f4 model
  121. Clone Marantz M7 Line Amp
  122. PIO caps question
  123. New Build Pics (guitar Amp)
  124. 6HF5 sweep tube single ended amp
  125. My first DIY
  126. Winding A Interstage Transformer
  127. help building 12ax7/el84 amp
  128. PSE schematic
  129. Using PSU Designer to calculate DC filament supply
  130. Dynaco stereo 70 driver board
  131. Excellent and cheap DIY INTERSTAGE!
  132. Need Advice with Timer Relay Shut Off
  133. standby switch
  134. Purpose of small cap across PSU rails?
  135. 6SL7 + EL34 SE Audio Amp
  136. guitar tube amp as home stereo
  137. 6C33 fixed/auto bias ?
  138. Long Tail and Local feedback
  139. I look for EAR 859 pictures.
  140. Designing a simple tube opamp?
  141. Difference between Hammond 200 and 300 series
  142. Ultrapath Cap
  143. where to find 600v 18awg wire??
  144. Suggested power supply B+?
  145. Variable Impedence Mic Preamp
  146. Help me stop my preamp from farting!
  147. Just bought some of those Russian paper/oil caps off of ebay
  148. The Valhalla power amplifier project
  149. help! EL84's dying
  150. Could check this pentode-mu stage thingy for me (disclaimer* it is for a gutar amp)
  151. ASC Polypropylene And Oil Capacitors
  152. pots... log or linear?
  153. Cracking sound through speakers.
  154. EL84-PP - Why just 5W?
  155. Brook12a schematics...
  156. LongTailedPair gain -> how to calculate?
  157. Wiring secondaries of two power trafo's in parallel?
  158. RIAA "Tube Simulations"
  159. Has anyone built this 'Svetlana Six Pack' ?
  160. updated pics of tube project
  161. help 12FV7 datasheet
  162. Why does my oversized preamp trafo gets much too hot?!?!?
  163. 6sn7 pre
  164. 12AY7/6SN7 preamp PSU check
  165. CT design trans application
  166. Shindo schematics?
  167. Octal Hagerman Cornet Experiences
  168. My first (guitar) amplifier
  169. Zenith AM/FM C835 tube Radio schematic
  170. Oh man, my telefunken stoops...
  171. 42 single ended
  172. EL34 Feedback circuit
  173. Spice model for EL86/6CW5
  174. Ditching some High Voltage
  175. Newbie want to build simple tube preamp&psu!need help!
  176. Phono Pre-Design Input
  177. HV Direct Drive tube amp.
  178. A question about Cathodyne/split load/concertina PI's
  179. Kofi Annan in: "Hummin' Trafo Blues"
  180. Rattling Tube
  181. Berning output buffer
  182. Tube PSU Question
  183. JoLida Envoy PreAmp or DIY?
  184. Looking for Audio Note P1SE schematics.
  185. Which SE-ECL82 amp to build?
  186. PSU Help
  187. Help for stabilisator Data
  188. How much ripple on B+ is allowed?
  189. Typical 2A3 hum?
  190. PV10 PS transformer
  191. 300B Filament Voltage Range
  192. Mullard EL34-Authenticity Verification
  193. Fading or Frying Fender Clone Issue
  194. Philips V30M amplifier
  195. PWM power supply???
  196. Regulated psu for tube preamp
  197. About to start a new project: PP 6CK4s...
  198. Komuro DC 300B crct w/ 50dht?
  199. Anyone out there try a SEPP OTL guitar amp??
  200. DIY speaker attenuator?
  201. So what are some good 7-pin, hi mu, low noise/microphonic tubes??
  202. Audio meet pics from this past weekend
  203. Audio Note M7 Line Preamp??
  204. PP 7591 amp
  205. Tube op amps
  206. Please tell me how to upgrade Music Angel KT88 amplifier?
  207. Do I want a fan?
  208. 3rd Aikido?
  209. More Questions about A.Wrights PP1C
  210. 7591s flashing on start-up?
  211. first amp build... wiring questions
  212. pentode aikido driver for 300b
  213. Question about single NOS triodes in cascode for fun
  214. oscillating PP EL84 amplifier
  215. 6H30P based cathode-follower schema kindly requested
  216. Cathode follower question
  217. Bunch of old parts, worth anything?
  218. 6922 vs. 6N1P Bass Response
  219. Behringer reaches a new high in tube "transparency"
  220. Input stage tube
  221. Using transformers as choke?
  222. Resistors
  223. melos gk1 preamps anybody?
  224. Looking for a thread...
  225. DG7-32 based oscillograph schematic needed
  226. Try!!! Ef37a + 6c33c
  227. qustion on tube grade wiring
  228. Balanced pre-amp attempt
  229. GRRR.. sanity check on PTx current please
  230. How do you measure ripple on the B+?
  231. Aikido + EL34 Integrated
  232. heater voltage: why ac, and not dc?
  233. Ideas for using one ECL82 in a preamp
  234. Question about 12AU7
  235. 6AU6, 6U8, 6CL6, plus UTC A-10 make Mic Pre?
  236. WIMA FKP1 1000V as coupling cap ??
  237. Ping amperex re: Hammond organs
  238. schematic needen variable power supply
  239. Distributed Load/Balanced Bridge Connection
  240. CCS, feedback and grid leak questions.
  241. Vdd
  242. Help with 6GW8/ECL86 tubes??
  243. Best amplifier (recomendations) for Fostex FE108ez?
  244. Quick valve construction question
  245. Poindexter's 6v6 PP amp
  246. need some help with Ohm's law-fast!
  247. hybrid rectifier question
  248. I really, really wish I hadn't done that...
  249. Quicksilver 8417 conversion
  250. Supratek

Content Relevant URLs by vBSEO 3.3.2