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. EL34 schematic question
  2. Newb B9A question
  3. 6889 in the Simple SE - misc observations
  4. Recommend me a KT88/6550 + 7N7 (6SN7) Schematic!
  5. 01A tube amp Schematic???
  6. Tubelab's own forum
  7. Are there elegant ways to prevent huge power-on plops?
  8. New EL84 Push-Pull Monoblock
  9. Just to laugh...
  10. QUAD II Stereo Set Up
  11. hammond ao68/7591 question
  12. 6SN7/6SN7 Aikido + CS4398 DAC = HEAVEN
  13. How to run a square wave test on an OPT??
  14. Vanderveen 73 Watt valve amplifier PR20HE-S2
  15. 6LU8 Spud - Request for comments
  16. Increasing Output Power for the Engineer's Amplifier
  17. Amperex
  18. A Single Ended presentation
  19. Single-endet Stereo Amp KT88, 6L6, 6P3S
  20. My new 6H30 pre
  21. amplifier bias
  22. Distortion measurements on Meng 6P1
  23. What's wrong with SE Cad?
  24. Observations
  25. p2p aikido phono finished!
  26. 6AC10 tubes
  27. Tricked On Ebay!
  28. Last newbe queston for today, shielding
  29. Pot actoss the filaments
  30. How to adjust summetry?
  31. Tube swap THD
  32. Yarland 34A - Crunch sound, now not the same, any ideas?
  33. Amp SE using F2a tube
  34. WEST-CAP, How about sonic reputation
  35. New 300B JEL/Walton Builder's thread
  36. The worlds least efficient amplifier
  37. Shuguang 6L6GCR and 6550 - Your Experience Please
  38. Bogen CHB-35 - guitar tube amp conversion (another)
  39. Help me identify these Caps! (hamfest find)
  40. nM scale Valves
  41. Orientation of E-I core OPT and toroidal power transformer
  42. Baldwin Iron
  43. Carver super 7
  44. Question:disadvantages for using a SE OPT on parafeed?
  45. CF after gain stage
  46. New to Tubes, just bought first tube amp
  47. Sonic Frontiers SFP-1 mods?
  48. AES tube brand mixing..
  49. Hum with EL84 Push-Pull
  50. Low Voltage Tube Preamplifier
  51. 27 driving 2A3/45/ or 300B
  52. Tube pre-amp for a vehicle?
  53. Meng Yue Mini schematic?
  54. Do you know this guy?
  55. Triode Pentode combo tubes
  56. M8136 M8137 Mullard
  57. suppo with vinyl?
  58. small binding post for TT ground
  59. 27 Filaments DC in series
  60. Music Angel KT88 hard wired
  61. Nice! First CCS.
  62. bizarre bias, ST-70 experts step inside
  63. hammond power tx 200series update
  64. Volts D.C. panel meter for B+
  65. What is the best tube amp??
  66. 6GM8 Hickok test settings?
  67. NASA space-age tube for audio use
  68. trouble matching line level to guitar amp input level...any help?
  69. ECL86/6GW8 Console opinions
  70. Bad tubes wanted for tester testing
  71. 7868 tube biasing and output trans protection
  72. second build, recommendations , thoughts
  73. Changing Electra-Print DRD45
  74. ruTubes.com. Anyone dealt with them?
  75. output transformer manufacturer
  76. no resistor values........
  77. Gz34 + otl 6n23p
  78. Jukebox Iron
  79. converting tube rectifier to solid state rectifier.
  80. Help please, Jolida 202a hum.
  81. Amperex Bugle Boy tube???
  82. What's a reasonable amount of power-supply ripple?
  83. Vintage tube amp Aux In To CD In
  84. mounting TO-220 devices
  85. My first valve amp - help appreciated :)
  86. Plasma ball in tube
  87. Nagra's engineers at work.
  88. what just happened? Plate glowing
  89. "Mullard 5-20 KT88 PP blocks!
  90. CCS transistor choices
  91. Simple SE parts "Kit"
  92. capacitor upgrade on my tube phono stage
  93. Microphone Preamp
  94. 6N2 swap
  95. K12M / K12G Current Draw
  96. Best china amp?
  97. Hagtech Clarion 2A3 SET
  98. Tubelab Simple SE Schematic
  99. new idea for a tube power amp
  100. help choose between two preamps
  101. Need a MC phono stage, do i need a pre as well?
  102. What the difference between 7591a & 7868
  103. High Voltage Huge Storage CAPS for that Ultimate Valve Amp
  104. Need a good phono stage design..
  105. getting a pop when i power down, help
  106. Japan vs US output tx
  107. My own RIAA tube preamp
  108. Tube-I-zator SRPP DAC I/V-Stage circuit discussions
  109. Lab Power Supply
  110. diy MESA pre as 3rd channel on guitar amp? - Need Advise!
  111. Learning to measure question
  112. Anyone using silver secondary (or PSSS) output tx
  113. Cary audio design CAD-211
  114. mains overvoltage what to do?
  115. Looking Schematic converting Volume pot to Digital Vol for tube amp.
  116. Jean Hiraga SE Amplifier Power Supply
  117. TubeLab SE, Finally
  118. channel imbalance!!!! need help
  119. ESRC Dollar Sale - Going, Going...
  120. Post pics of your glowing tubes
  121. PCB Layout for tube amp
  122. 530V low-ish dropout regulator?
  123. were can i get transformers from
  124. 6N9P data sheet
  125. Newbie questions - RH84 mods
  126. TriodeElectronics Mk3 for rank noob?
  127. 5718 preamp
  128. 12B4 the pre for me?
  129. Anyone used C3G to drive a 2A3 before?
  130. Cascode Tube Mic Preamp: 12AX7/12AU7 Schematic
  131. Bogen MX60A Schematics
  132. Nasty pop when I power down
  133. Timer for tube hours
  134. Personal Tube Amp DIY Project
  135. Common cathode linestage with 6080
  136. Fingernail polish?
  137. Tube Lab Simple SE with interstage transformer
  138. Wintersweet HighVividity Amplifer finalized
  139. Iron loaded preamp, any thoughts?
  140. Tetra Phono Preamp as a DAC analog stage
  141. EL84 Plate Dissipation
  142. bogen m330a -> 5f6a bassman
  143. 12AU7 Amp?
  144. Toroidal Chokes
  145. Using a voltage converter transformer
  146. Regulated PSU question
  147. please help me change this
  148. Stromberg-Carlson Identification Help
  149. pi filter variations
  150. How do I change this design from EL34 to 6L6?
  151. Sun Audio SV-300B MKII DIY
  152. 230-115V step down transformer earthing
  153. PP oscillation problem
  154. Wiring a DPDT for direct in & 2-100k mono pots ..?
  155. Arion "ADONIS" Schematics Request
  156. Phono Stage my first try
  157. Maximum gain with 6SN7 ?
  158. Rca 6md8
  159. Getting the DIYer blues again.
  160. EL34 B review Tung-Sol
  161. Please help with my first valve preamp ?
  162. power supply filter choke current rating.
  163. Will and Aikido Driver Stage work?
  164. Bottlehead Foreplay III improvements, suggestions, alternatives?
  165. DC modules fot DHT amps....too expensive to buy pre-built, why not DIY them?
  166. Sprague 183P Question
  167. Load Resistance (Ra) question applied to OTs
  168. B&K 610 connector pinout
  169. Buzzing Volume and presence
  170. 807 pp build project - whose in?
  171. tubelab simple se: increasing the drive
  172. where to buy dn2540 and 10m45 in UK
  173. ecc88 arcing at shutdown problem...
  174. Question - Output Trafo with CFB
  175. Tubelab SE rect. arcing -looking for more info
  176. Looking for a hookup wire supplier
  177. Valves' world
  178. Tube diode for cathode bias?
  179. Trying to get a response from TX maker.pass it on.
  180. Need help choosing a filament supply
  181. Motorola 3 channel Tube Amp from Console
  182. Most compact 90V power supply
  183. Decware output stage
  184. 50FE5-push pull stereo
  185. tamura f-7000 series
  186. Very simple high power single ended
  187. CAD for tubes?
  188. Which tubes are lowest noise?
  189. Stacking/paralleling caps - same value?
  190. where to get good 5AR4 's
  191. Greetings from ETF!
  192. 26 Preamp, Kennedy Version 3
  193. 2chanell PCL86-PP "tube buster" for guitar
  194. Roederstein replacements?
  195. Playin' with feedback
  196. schematic yaqin cd1 tube buffer
  197. Tubelab Simple SE questions
  198. tube preamp
  199. Filament current bias
  200. What Transformer is better ??
  201. DC-coupled CF driver pentode help!
  202. HHScott Forum?
  203. Delay relay
  204. Amp Gain Design Philosophy
  205. Converting a Stromberg Carlson AU-35 into a Bass guitar amp?
  206. Greetings - Watt Calculation
  207. AES Chocolates?
  208. Power supply filters - sim results
  209. Q............PP Ultrapath
  210. formula help
  211. DAC -> Amp with parallelled E182CC and Lundahl transformers -> 8ohm headphones
  212. Need an HV trafo? Try these:
  213. Driver for Musical Fidelity 550K
  214. Yaqin MC-10l
  215. help with 2 stage cathode follower
  216. B&K 747 tube tester
  217. Screen glowing?
  218. Grid 2 voltage affects
  219. Simple Tube Mono Block Tube Amp Schematic
  220. Optimizing a 807 PP amplifiers input stage and phase splitter...
  221. Chassis Layout Advice
  222. strange Stromberg Carlson
  223. lifting the earth
  224. passive xover w/ SET?
  225. Low gain tube amp?
  226. What to do with these parts?
  227. Regulated Heater on the 6SN7 Aikido Plate to Heater question
  228. SRPP with buffer - 1MOhm impedance?
  229. PSUD2 & g2 on 807 problem..?
  230. 230V transformer for a 832 PP project
  231. Mercury vapour rectifier for George
  232. Replacing 6L6 with 6V6: what changes needed?
  233. 4 tube line level pre?
  234. Tube Hybrid Amp Gain Calculation
  235. transformer coupled plate follower
  236. What does your system look like?
  237. Cascoding tubes
  238. Advice with modification of Beard power amp
  239. Harman Kardon TA5000-X power XFMR
  240. This happens when you hire a good designer.
  241. Test & Measurement interface for Soundcard
  242. Where to find large capacity high voltage caps?
  243. 1st Pass at 1st Phono Preamp; Comments?
  244. Transformers to try.
  245. Hum in phono pre - help please
  246. Output transformer cores
  247. Output transformer cores
  248. Presonus Bluetube makeover
  249. Tube Amp Channel Switching
  250. physically small twin triode tube

Content Relevant URLs by vBSEO 3.3.2