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

  1. filling in the low end, 6bq5 12ax7 circuitry
  2. Dynaco Mark VI
  3. Looking for Sonic Frontiers SFS80 Schematic
  4. CCS or V.REG for OP anode
  5. Yarland FV 34CIII
  6. Looking for OPT steel covers
  7. Damper diodes, center tapped heater, B+
  8. Dynaco ST-35 Newbie cathodyne question
  9. Anyone have valve/tube libraries for express PCB or PCB123?
  10. Looking for the Ultimate Aikido.
  11. CCS loaded DHT cathode follower?
  12. Phono stage with LT1028 MC input
  13. New valve int flash over why ?
  14. Sweep tube suggestions
  15. Amp project output problem
  16. 12AX7,6BQ5 PP Amp Search.
  17. Dynaco MkIII preamp/linestage recommendations?
  18. Can someone please check my PCB layout for this preamp?
  19. looking for easy, low cost guitar amp project
  20. UK EBAY - 100W Marshall / Fender Clone Transformer Set
  21. 1KW power - what do you think?
  22. Bottlehead Filament Choke FC-1 for Push-Pull?
  23. Home James! But first, which transformer?
  24. NAD preamp = 6BQ5 Frankenschteen
  25. Wintersweet highvividity driver circuit
  26. Looking for TT11(CV1501) triode mode curve
  27. Amp switching with 4093/4066. How to add indicator LEDs?
  28. Yaqin MC-10L Blown Fuse
  29. 2a3 amp, progress picture
  30. How do I implement an AZ1 rec tube???
  31. Profit margin on used tube amps
  32. 300B sockets (different question)
  33. How can I modify this grommes little jewel amp for guitar.
  34. tri-amping question (s)
  35. Unity coupled power stage
  36. Acquired A Bunch Of Tubes
  37. Understanding load lines
  38. what would happen if.........?
  39. Testing valves/tubes
  40. 300b socket
  41. Vertical vs. Horizontal does it matter?
  42. Layout thoughts hmm....
  43. ID request, is this a pre?
  44. Anyone got any info on the Tippatone 500 watt amps?
  45. SMPS for Filaments?
  46. Using 6n6pi Push and Pull
  47. Optimum Tube Temperature
  48. Chassis
  49. 5670
  50. will this spice works in real word?
  51. An amplifier for Burning Man
  52. 12AT7,12AU7 Ultra linear cascode
  53. El Cheapo Grande
  54. EL84 Unused pins safe to connect?
  55. 6BQ5/EL84 tube buffer questions
  56. How much power do I need?
  57. Tube buffer/preamp. Where to place voltage divider?
  58. Schematic wanted for VTL Preamp "Maximal"
  59. modified GEC 88-50
  60. Zenith 7B31 Help
  61. Do swingers always buzz when they swing?
  62. 6at6 tube? What can i use it for?
  63. Sovtek 6550WA?
  64. how to make a tube gyrator eq?
  65. Transformer needed or "solid state guy needs help from tube guys"
  66. Differential input, SET output
  67. FFT of PSUD2 output?
  68. Differential push-pull design question
  69. Any EF184 users?
  70. 30P1S - How to use them?
  71. st-70 as good as it gets?
  72. Subbing in a TVC - input load Q
  73. Chinese tubes, new ones or relabeled?
  74. 6AV6 => 12AX7 question
  75. crate vintage club 50 2x12 keeps blowing preamp tubes
  76. 845 & 300b tubes
  77. Sourcing sockets and plugs for power supply umbilicals
  78. Sub mini history question ...
  79. 6DX8 Amp for Headphones and Low Volume Needs
  80. Surplus Voltage Solution
  81. Tube rolling in the Triode Electronics 6au6/12au7 driver board
  82. RCA mystery tube help
  83. Breadboarding/Prototyping - How to and Tips/Tricks
  84. Sub-Miniature Tubes - Low Voltage
  85. True direct-coupled PP amp
  86. "Radical" twist on an all DHT phonostage
  87. input tubes for 300b
  88. JE Labs simple 2a3 filiment tranny, 1 or 2?
  89. ebay Valve Preamps boards for 18 !
  90. Smoothing caps
  91. Spud issues - a little help, please
  92. GLY513 in PS of Simple SE / PP and OTL
  93. Has anyone here built something with this super triode?
  94. What is this part in old radio?
  95. Has anyone done anything with a 5977 sub-mini
  96. Driving EQ from kathode resistor
  97. Understanding CCS vs CVS
  98. Can you believe this!
  99. help with my humming valve amp
  100. Picking tubes for SimpleSE-ish amplifier
  101. 6gk5/ECC88 Phono any comments.
  102. Meng Yue X1 6P1 amp (NOT the mini)
  103. Basic HiFi Tube Amp Layout? Please?
  104. stupid switch question
  105. Max Current of James JS-6123HS Transformer
  106. How do you determine a driver stage?
  107. SUPER cheap nos tubes if you live in california.
  108. 8ohm resistor in series with 8ohm speakers for a 16ohm OT?
  109. a good tube tester?
  110. Can't get adjustable reg to work
  111. 9 volt tube preamp.
  112. DCD power amplifier: 2A3/d3a CCS coupled: new topology?
  113. Equivalent to IXCP10M45S?
  114. Looking for non-DRD 300B using D3a as driver
  115. Akai M8 rebuild/restore/will-this-work?
  116. space charge 12fx8 amp or preamp schematic?
  117. Help with setup to trace UL curves
  118. My KT88 Williamson Amp Build
  119. UV 203A any good for audio ?
  120. What gives with this square wave?
  121. bottlehead paramour PT
  122. DC filament supply without electrolytic(s)?
  123. Looking for R Core power trafo and choke
  124. PP tube amp for bi-amping : above 400 hz
  125. 6N6P question
  126. Integrated valve amplifier : to buy or to build
  127. Lookin for an ST-70-like project
  128. Formula for Zout of diff pair
  129. 6SL7 and Crossovers
  130. Meng Yue: EL34 or 6P1?
  131. Power Transformers and chokes
  132. nos amperex authentic? label doesn't rub off
  133. Software analysis using tube analog circuit Audio Note Kit 1
  134. Webster Amps,Racine Wis.
  135. Help figuring out resistor values
  136. Small (Novel) Tube Rectifiers?
  137. Conrad Johnson ART preamp question.
  138. pd510
  139. i want to build 3D21WB tube PP amp
  140. How to choose an optimal load line for a cathode follwer buffer?
  141. removing sound controlls...
  142. Pentode cathode follower output impedance
  143. Telematic KC401
  144. ebay, 7c kit, worth it?
  145. Mullard 5-10 for guitar use?
  146. Questions: YAQIN MC-100B KT88 together with Spawn Sachiko?
  147. Olson AM-158
  148. Check out my KT88 curves
  149. Just another /\|OOB to Tubes....Need Schem Help
  150. Problem with 832A PP amp
  151. Marantz 8b power transformer
  152. New SET Project
  153. Magnavox Model #OFMC26 Tube Stereo
  154. Balancing Servo
  155. Akai M8 Modding Service Required
  156. 12AX7 basics, some questions on wiring
  157. Hickok Model 600A
  158. Valve for Marshall AVT275 amp
  159. Tube Shield
  160. Choosing an output transformer
  161. Lost in Translation - DIY Japan
  162. Ebay KT88
  163. Filament voltages - an idle curiosity
  164. Project caused by need
  165. PSU issues, advice needed.
  166. Tubelab SE Driver Bias Help
  167. Question about cathode voltage
  168. NOS/NIB tubes what does it mean?
  169. Help to identify transformers
  170. Guitar amp schematic for PPP EL84
  171. DIY tube amp power supply
  172. Socket Saver
  173. Need some tube help!
  174. Need Help Biasing TRV-M300SE Amps
  175. Will this supply work?
  176. First foray into SET, design for your comment
  177. Help understanding a few Ohm's law calculations
  178. Hum in left channer - rogers cadet 3
  179. Need help on understanding AudioResearch like output stage
  180. Help finding 2A3 integrated 2 stage design
  181. 75 / 2A6 Spice Model?
  182. Vacuum Tube DAC
  183. Need help wiring CT transformer
  184. What is this component in my tube amp?
  185. What type of amp should I make with this? Schematic help also needed
  186. 6418 tube preamplifier - Oatley Electronics
  187. Black out coused demage in tube output stage
  188. Need help adding a master volume, and some troubleshooting ...
  189. Other uses for your 807's
  190. Ballantyne output Iron
  191. Power Trafo & Choke headroom
  192. Bare R Cores and bobbins, where???
  193. Plate chokes
  194. Has anyone done anything with the 6112 tube?
  195. el84 amp advice
  196. About to be scammed - bigtime
  197. Dynaco PAS3 -- New Cap board installed
  198. Throw it on the heap... SSE
  199. Loose Tube Bases
  200. 12E1 Triode PP, Any Suggestion?
  201. dac output stage with 5687 pp
  202. Help needed with my Epi Valve Jr
  203. Baby Tube Subwoofer Amp help wanted
  204. 12BH7 and the Simple SE?
  205. "The Bursar" Push-Pull Amplifier
  206. Needed - Advice on tubelab Simple SE build
  207. Oil filled caps - how are they made? DIY caps?
  208. EL34 schematic question
  209. Newb B9A question
  210. 6889 in the Simple SE - misc observations
  211. Recommend me a KT88/6550 + 7N7 (6SN7) Schematic!
  212. 01A tube amp Schematic???
  213. Tubelab's own forum
  214. Are there elegant ways to prevent huge power-on plops?
  215. New EL84 Push-Pull Monoblock
  216. Just to laugh...
  217. QUAD II Stereo Set Up
  218. hammond ao68/7591 question
  219. 6SN7/6SN7 Aikido + CS4398 DAC = HEAVEN
  220. How to run a square wave test on an OPT??
  221. Vanderveen 73 Watt valve amplifier PR20HE-S2
  222. 6LU8 Spud - Request for comments
  223. Increasing Output Power for the Engineer's Amplifier
  224. Amperex
  225. A Single Ended presentation
  226. Single-endet Stereo Amp KT88, 6L6, 6P3S
  227. My new 6H30 pre
  228. amplifier bias
  229. Distortion measurements on Meng 6P1
  230. What's wrong with SE Cad?
  231. Observations
  232. p2p aikido phono finished!
  233. 6AC10 tubes
  234. Tricked On Ebay!
  235. Last newbe queston for today, shielding
  236. Pot actoss the filaments
  237. How to adjust summetry?
  238. Tube swap THD
  239. Yarland 34A - Crunch sound, now not the same, any ideas?
  240. Amp SE using F2a tube
  241. WEST-CAP, How about sonic reputation
  242. New 300B JEL/Walton Builder's thread
  243. The worlds least efficient amplifier
  244. Shuguang 6L6GCR and 6550 - Your Experience Please
  245. Bogen CHB-35 - guitar tube amp conversion (another)
  246. Help me identify these Caps! (hamfest find)
  247. nM scale Valves
  248. Orientation of E-I core OPT and toroidal power transformer
  249. Baldwin Iron
  250. Carver super 7

Content Relevant URLs by vBSEO 3.3.2