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

  1. Tube preamp question...also, chassis layout
  2. Quad II Mods/Tweeks
  3. Trying to recreate a Fisher SA-16
  4. CCS, how it actually works?
  5. 400V CRC PS, what do I do with it?
  6. Does anyone has MILBERT BAM230 TUBE CAR POWER AMPLIFIER
  7. Valve sockets
  8. Can I use 12AT7?
  9. Music Reference RM5 mkIII
  10. Help: Sun Audio Kits where from? EIFL, ELEX, Sun Audio?
  11. Looking for a link on power supply design
  12. Is feedback required for UL EL84PP?
  13. Someone working on an insane tube project?
  14. Load line frustration
  15. Is 12B4/A good for differential pair?
  16. Heretical Unity Gain line stage PLUS a little gain ?
  17. tube vibration
  18. Small temp voltage on phono input-problem?
  19. What's it all about?
  20. IXYS GaAs Schottky Diodes.
  21. Maplin 4-20
  22. Line preamp using 2 ECC88 per channel
  23. What to use as a nice amp case?
  24. Signal Tube Longevity ?!?
  25. HK 250 power amp tube amp schematic
  26. Need help with connecting OPT.
  27. 6SL7 driving SE EL34 ?
  28. power supply tranny
  29. Output Transformer Background
  30. Schematic
  31. no dc passing the opt
  32. New preamp schematics
  33. Transformer ID & Specs Sheet Help
  34. I Know Some Tube Flavors Are Worth More Than Others...
  35. Why hybrid CCS?
  36. Alembic F-2B
  37. Best cap to cathode tube bypass is ..
  38. Cheap el84 se
  39. Bridge rectifier with capacitors???
  40. 4 volt (dc?) heater from 6.3v
  41. Does anyone recognise this valve amp
  42. PS Capacitor Voltage Rating
  43. Which 6SN7 preamp should I build?
  44. Help on upgrading my Tube Preamp
  45. looking for a non-copyrighted preamp schematic
  46. Problems with cathodyne
  47. more gain needed -> how?
  48. OT: Tribute to Kondo-San
  49. PCL82 SE Tube Amplifier Kit
  50. Rectifier voltage difference, Why?
  51. partial feedback stuff
  52. replace 5y3
  53. Sparking Tubes!
  54. Transformer End Bells
  55. DHT Ultrapath Linestage schematic help
  56. Who manufactured are these EL34's?
  57. Tubes and RoHS compliance?
  58. What do you think about this tube preamp?
  59. What's Ra?
  60. Screen grid resistors
  61. Miller compensation - pros/cons?
  62. G. Kaufman's 6GV8/ECL85 regulated psu
  63. 6CA4/EZ81 heater bias
  64. First stab with PSD for 6CK4 amp-what have I got here?
  65. 81 Rectifier
  66. using 40 VDC supply?
  67. Choke current
  68. Why two diodes per branch on a full wave rectifier?
  69. Alps attenuators
  70. Seeking quality PP pre/mono power project (long)
  71. Transformer location
  72. proper choke placement
  73. 6HE5 as output pentode?
  74. A possible good source for steel chassis
  75. Update on DIY 7591 PP bias cap issue!
  76. 832, can you go SE with these?
  77. PX25 SE without NFB
  78. Change my 8417's Quicksilvers to this?
  79. SE EL84 circuit for bi-amp setup?
  80. CLCLC PSU for 6P14P-EV PP
  81. Shielding a Power Tranny
  82. Unison Research Schema Needed
  83. My 2A3 schematic, comments please.
  84. What happend to the PHOTO GALLERY ?
  85. Valve pre-amp maintenance and purchase
  86. sound of 45 v. 205d v. 2a3 v. 300b for headphones
  87. TPAD Devices Kit
  88. Need Help. Anyone with Philips AG 9016??
  89. Question about input sensitivity?
  90. Any help on sth probably simple?
  91. few questions about my amp, pls come in
  92. 7591 Spice Model ?...Anyone ?... I'm Groveling Over Here !
  93. Need regulated solid state PSU
  94. EC31 - Any Datasheet...?
  95. comments on www.shinrock.com???
  96. need schematic reading help
  97. Sound from dummy load?
  98. Loftin-White
  99. RCA 151 'scope
  100. Coupling cap. values???
  101. stepped attenuator
  102. Ideas for input/driver stage of 300B amp
  103. Schematics for Bogen MXM-A Mixer?
  104. yet another which cap is best for the money question
  105. Lowering the value of the lead resistor
  106. power supply recommendation for EL84 amp
  107. Can ECC40 be used in a phono stage?
  108. Better current source than LM317 on a 12B4 line amp
  109. Bias and max current for my 7591 AB amp...
  110. Making sense of the Aikido calculations?
  111. Computer Grade Capacitors
  112. Pls recommend a power amp to build?
  113. Advice about this 45 amp
  114. Any definitive infor on R-C parafeed out there?
  115. 6AS7 as rectifier tube?
  116. Pre Amps
  117. 12 volt preamp
  118. JE LAB's 2001 2A3 & Preamp???
  119. 12AX7WA
  120. found DIY amp - now what?
  121. Magic Eye spectrum analyzer
  122. Tube Companies
  123. B+ from GZ34 Heater CT ?
  124. Unknown mA on Gardners mains transformer
  125. PSU Question
  126. how to mount rca jacks and volume control in wood enclosure?
  127. Freaky Whistle in Guitar Amp
  128. Giaime's last nightmare - aka RIAA faceoff
  129. 5687 dc 5687 tube amp need help
  130. Input cap needed
  131. 6BQ5\EL84 line amp
  132. Capacitor Values Why so high? & What can I do?
  133. Bias pot question
  134. What I have: 4 Tubes. What I need...
  135. let me fix this bias
  136. A small no-fuss pentode/pentode SE amp
  137. Bleeder Resistor Placement
  138. Modifying Heathkit AA 151
  139. Interstage transformer for PI.
  140. Motorrun caps ... GND side?
  141. mono center channel out to stereo
  142. Audio Research REF 2 MkII
  143. 717a plate volts
  144. valve preamp criticisms?
  145. LOT of tubes. what can I do?
  146. substitution for 7355
  147. KT88 heaters
  148. Software for drawing tube schematics?
  149. Guitar Amp HUUUM with an MP3! Reverb Problem
  150. New books posted
  151. Compound bias
  152. Tube Oscillation or Microphonic Question
  153. WTB:OT for el 34 35 watt tube amplifier
  154. Questions on 6H30 simple PF?
  155. "Super Davohm" 1w .1% wirewound
  156. Heathkit AA-100
  157. 6159 for SE Power amp
  158. Do SMPS have a home at high end audio?
  159. Kofi Annan in: "300beee!" or "Kofi Gets a Toy"
  160. cathode capacitance on anode follower
  161. looking for a building shematic for ECLL800
  162. Iron learning.
  163. Tube Amp - Crackling Sound on Left Channel
  164. Pspice preamp simulation
  165. Supply voltage for 12v6 12B4 heaters
  166. Studio Tube Preamp
  167. New project and my first circuit...
  168. Champ clone fried my soundcard
  169. Choke coupled phase invertor
  170. long cable line drive
  171. What To Do?
  172. Simple Method To Measure Source Resistance?
  173. is this true????
  174. query on the PSU of a preamp
  175. Meshplate Help needed
  176. 6072 tube preamplifier.
  177. hybrid rectifiers and PIV rating
  178. transformerless amp help plz ...
  179. Help me build a tube MIC preamp plz
  180. chinese 845 amp blowing fuses
  181. Question about PIV rating of diodes...
  182. Triode strapped heptode?
  183. The Fisher 500C/800C Challenge (long..dialup warning)
  184. 5 wire output transformer
  185. Orcad & tube library
  186. Wall Wart Tube Power
  187. How can I lower B+ of power supply?
  188. How do you put a CCS under a diff. pair of DHTs???
  189. Just need to make sure.
  190. restoring a marantz 7c
  191. Who sells a tube bass guitar amp kit??
  192. What is Simplest and Best 6L6 PP circuit? (PK)
  193. Good DIY Transformer Article (in Thai)
  194. Tube Swapping Question
  195. Toroid choke question
  196. Pentode CCS for parafeed SEP??
  197. subminiature tube suggestion
  198. MQ431 or Triode's DynaClone
  199. Conrad Johnson MV 45 schematic help
  200. signal wiring
  201. NEW B Need Help on Output Tx Problem
  202. center tap of heater winding
  203. Dynaco Mk IV question
  204. Does this tube amp has enough cap
  205. Acrosound TO-330 output transformers
  206. PP transformer for SE use
  207. Holiday Time!
  208. another beginers first amp thread!
  209. Western Electric 374A
  210. Musen to Jikken 03/1997
  211. Please help me make a schematic
  212. Tips for Hakko 936-12
  213. AC or DC for 300b Heaters
  214. Two irons for PSU
  215. Which DHT for Line stage?
  216. Pye Mozart 10 amplifier
  217. I need a simple schematic with 6J1P tubes
  218. First tube project. Need advice.
  219. Sound Valves M-40 assistance
  220. Has anyone been keeping up on the 'New Sensor' Controversy?
  221. quad esl output transformer.
  222. penta labs?
  223. New Build (Guitar Amp)
  224. transformer links
  225. EL84 auto split
  226. TOPWARD MODEL 605 operation manual & Schematic
  227. PREdator, Diff/CF linestage.
  228. Triode Electronics ??
  229. Full Bridge Amp?
  230. Tube literature on pentodes + transformers
  231. so, who made General Motor's "AUTRONIC EYE" tubes?
  232. 6DJ8 Linestage
  233. Annyone seen this problem?
  234. psu to heater on 4 el34 tubes???
  235. 6C33C-B, Reliability--A theory........
  236. Sun Audio preamps
  237. Anyone Use A Harmon/Kardon XT-2 Xformer For MC ?
  238. Carver Phono
  239. Help With 3 Channel Magnavox
  240. simulation software
  241. trickle charge psu?
  242. tube filter
  243. Holiday S-5 K-12G
  244. Couple of (newbie) tube questions...
  245. valve buffer gainclone
  246. Series wiring for heaters
  247. DIY tube cd player ?
  248. Tubes in mp3 players?
  249. Output Impedance?
  250. Hum Pot Question

Content Relevant URLs by vBSEO 3.3.2