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

  1. Tamura F-475 in Parafeed?
  2. Kofi Annan in: "Push and Pull with Me"
  3. Schmitt dephaser
  4. Anyone using Chelmer Valves?
  5. SET w/ 300B Ultrapath + Parafeed Typologies
  6. a question about local feedback
  7. about input transformer
  8. Power transformer selection madness
  9. EF91 Line Stage questions
  10. Sourcing parts for Dynaco PAS rebuild
  11. HH Scott 223 monoblock schematics
  12. info needed on the 7c6 tube
  13. A final question on grounding(yeah right!)
  14. Schematics and Manuals Site Found
  15. Sprague/Cap Color Codes ?
  16. saba console radio working?
  17. Feedback and mu-followers
  18. Hundreds of 6AL5s
  19. Orange/Red Spot on The Anode of Sovtek 6L6GC
  20. Best way to isolate non-isolated RCAs?
  21. Power Resistor Smoking on HF-81
  22. Audio Innovations L-2
  23. first tube project
  24. And now a question about power switch...
  25. 2E24 ultralinear
  26. tube pin numbers
  27. Will This possibly work?
  28. What is the right current for a 300B at 400V and -80V grid bias?
  29. Simple Cap-Coupled CF Advise Needed
  30. tube amp layout reality check
  31. plitron
  32. How long does a 7199 last?
  33. Modding Tube Mixer Into DAW Front End
  34. CAE Cascode Diffamp Front End
  35. 6.3V Rectifier Tube Lit by 5V
  36. Precision Electronics Amp w/ 6GT5's, Convert to 6L6's?
  37. WE121A, Please critique me
  38. Grommes / Western Electric G5M Tube Mixer Mods
  39. schemes needed
  40. PP to PPP
  41. aikido voltage swing
  42. voltage drop across a CCS...
  43. bogen db20 Schematic
  44. Mullards branded as Telefunkens???
  45. Pentodes; plate resistance; damping...
  46. PP amp has become SE?
  47. anyone mod a NYAL Moscode superIt?
  48. update to phillips sepp otl?
  49. DC filament supply LC or CL
  50. No Bass Control
  51. Unison Research Simply2 or s2schematics
  52. Border Patrol Power Supply
  53. Any leads on repairing a vintage Alamo Capri tube amp? >>
  54. nanocrystalline amorphous OPT
  55. El84 Pp
  56. Preamp, Euridice?
  57. Has anyone built a PS like this?
  58. Tube sockets in Eagle?
  59. E235L tubes
  60. Grid Input Transformers
  61. Aikido Power Supply
  62. ralph power pp amp with 807 ?
  63. tube stores in moscow
  64. 211 and 845
  65. Need help with amp
  66. Altec 1570B
  67. UL to triode
  68. How can I improve this tube amp (see pics)?
  69. klimo merlin preamp sch wanted
  70. CCS question
  71. *****es brew step 2 ... or grid bias ... how to?
  72. Filaments for the Aikido
  73. RE: RC-19 or RC-30
  74. My experience building a DRD d3A/300B amp
  75. TIP50 + LM317 High Voltage Regulator
  76. Any info on old "Cosmos" amp'?
  77. What more do I need to know?
  78. EBAY Find Of The Year Club LOL
  79. Partial feedback DHP SE amp
  80. newbie question
  81. Tube 1616
  82. Class A tube integrated circuit request
  83. Global Feedback Source Point
  84. These look interesting for that SE project
  85. Phillips AG9008 amp - looking for diagram
  86. 3cx3000
  87. EL86 and speakers? 800 Ohm
  88. Looking for CAT SL-1 Schematic
  89. el84 - 807 ?
  90. Low-voltage Tubebuffer by David Lin
  91. changing diodes with 5AR4 tubes
  92. 801 amp PS
  93. what can I do with these tubes?
  94. How to 'fine tune' your amps?
  95. Otl
  96. Rogers E40a schematic?
  97. Butler Monad A 100
  98. Using the UTC LS-33 as a Push-Pull output for 2A3's
  99. 2A3 AC filament hum
  100. A question about diodes...
  101. 5R4WGY/A/B , input filter capacitors
  102. attenuator hook up?
  103. best material for mounting tubes sideways
  104. Amp suggestions needed
  105. CC vs EI I mean toroids are out of question
  106. Newbie need help in designing tube preamp for my 3886 GC??Please Help me!!
  107. Inviting Comment on Schematic
  108. SE 2A3 input stage
  109. DIY Tube Amp Questions
  110. Need tube buffer circuit for sub-woofer out
  111. How to connect electrostatic shield of power transformer?
  112. Your favourite filament supply for DHT's?
  113. Quantum Impex
  114. Channel Switching Real McTube?
  115. so who owns a dac5 or m8 phono
  116. OPT at frequency extremes
  117. Parafeed with resistive load
  118. EL34 SE triode mode A class sch wanted
  119. Dumont (where theres smoke theres sound)
  120. HYBRID- Schematic
  121. I have a pair of JBL control 5 speakers, which valve amp design you recommend?
  122. sovtek 300B
  123. 12au6 preamp
  124. Engineering Drawings PCB Mount Tube Sockets
  125. Help with a choke for first-time DIY...
  126. Power SRPP
  127. Anode Loading Vs. Cathode Loading ?
  128. Purist 2 Line Amp
  129. Yet Another "EURIDICE" Pre Amp, 4CH This Time
  130. radio receiver
  131. Pioneer SM83 and 500k pot
  132. How many ways to connect a pentode...
  133. How do I go about repairing a vintage Pilotone AA-410A monoblock tube amp?
  134. Any pitfalls to tapping voltage doubler?
  135. 5k to 100 or so line transformers
  136. Ongaku 211 and Supravox 215
  137. Help with 6B4G PP amp.
  138. Help me build my Choke I/P preamp PSU
  139. Pinging "DoomPixie"
  140. 6L6 mono amp questions
  141. Help on 300B power trans...
  142. Spud Farmin' Pt. Deux
  143. No Zen
  144. Reuse or rewind choke
  145. Bell Sound Mono Integrated Amplifier
  146. Help with Melos SHA repair
  147. Phase splitter transformers
  148. 6v6 schems
  149. Cathode feedback
  150. Is this a good choice for El34 PP
  151. 6DK6 amp schematics?
  152. so who here builds amps
  153. 3:1 Line Input X-former ?
  154. * 35 watt * 300B SE = super 300B + Class A2
  155. Quirk in Mullard 5-20 circuit
  156. LL1673 as anode load?
  157. preamp/power amp matching
  158. 0A3 and pentode questions (quickie)
  159. where to find transformer to use
  160. C core output design
  161. Unusual Motorola Console
  162. Improving the Aikido line stage...
  163. Poll..anyone interested in an Aikido linestage PCB group buy?
  164. New 6s45p compare to NOS?
  165. Elektra Print L-3500
  166. 300b tube cage
  167. The 'Tater Patch
  168. 2A3 Sovtek characteristics
  169. 300b filament q, yes another one.
  170. Amp repair help needed.
  171. 833a SE Peak A.F. Grid Voltage
  172. DHP driver for 845
  173. Fisher 55-a
  174. Ultralinear Miller capacitance
  175. Simplest OTL?
  176. presence control
  177. Black Gate N cathode formation voltage
  178. Any other reported fragility for 6H30pi?
  179. Help! circuit diagram
  180. Another Gm70 amp !!
  181. 833a Amp 75W SE
  182. Black Gate N-series question
  183. 300B+
  184. Koren's spice models
  185. 50 Power triode
  186. Vertical deflection tubes for audio output?
  187. warmth in different tube types
  188. OT data
  189. Sansui 1000A OPT's
  190. CF biasing and load ???s
  191. improving the Mcintosh C22
  192. An amp that melts 6L6s?
  193. 8ohm speaker on 15 or 3.5 ohm tranny
  194. Choosing a brand as a standard
  195. The power of transformation
  196. wanted- 845 pwr amp p.p.
  197. Heathkit S-33 Information needed.
  198. Leak Stereo 20 - solid state rectifier?
  199. My rebuild 6sn7gt tubes line pre-amp.
  200. CircuitMaker Vacuum Tube model
  201. Mf X-pre
  202. E182CC, E88CC SRPP at low voltage
  203. Debugging my Aikido
  204. SRPP linestage help
  205. Transformer question
  206. Tube Spice Model Problem
  207. Just found a zenith 7g01z in the basement
  208. your next level story - Philosophy of EE 101
  209. JLTI Tube Preamp
  210. squeal in amplifier
  211. ALTEC Line & Bridging Transformer Data??
  212. Tube noob needs some help on PSU
  213. Preamp PSU Design Help
  214. GZ37 Substitution?
  215. help disigning 12AY7 based mic pre
  216. I m confuse ! expert help
  217. Removing a pot.
  218. diyparadiso kits?
  219. Help with linestage power supply
  220. TX103 - RJM 6DJ8 - TX102 preamp
  221. Replace the field coil spk with Electromagnetic dynamic spk
  222. Gu50 output problems
  223. SRPP: adifferent perspective
  224. Fixed or self bias?
  225. 211 amp PSU question
  226. Help! transformer overheating!
  227. more ebay stuff
  228. 6KG6, output stage & PSpice
  229. 6C33C-B Failure Mode?
  230. manley 300b preamp schematic required
  231. 115 V transformer on 230 V ???
  232. Hoffman Amps Turret Lugs?
  233. 300B Reliablity
  234. Metal work in Toronto
  235. What happens when you starve a heater?
  236. se 6c33c or se el34 schematic
  237. AVO MkIV User Guide
  238. Altec A150C and 531B psu
  239. What's been broken?
  240. tubes here...
  241. Voltage drop AZ1 = AZ11 = RGN1064 rectifier tube
  242. The Beast...
  243. Looking for Mikael's KT88 Schematic
  244. 1.2k vs 2.5k TC on a 6550 amp?
  245. Ultimate Tube head phone amp.
  246. Selecting Output Transformers for My WOT Line Preamp
  247. Tube microphone
  248. OP tube convertible PP amps?
  249. The "Valvolozzo" - SE amp with torroids
  250. Phase Splitters

Content Relevant URLs by vBSEO 3.3.2