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. ECC88 Class B
  2. Old Tube Amp Servicer In Nj???
  3. Vg-k max
  4. Anyone used PT15 / VT104 ?
  5. rebuild a Musical Fidelity X-10D ??
  6. Transformer Building
  7. Identifying weird signal transformer
  8. 100watt mono blocks
  9. Resistor combination calculator - RESCALC
  10. Aikido choice of valves (or tubes, if you will)
  11. Pin 9 on 6n6P, 6H30, etc
  12. Croft Super Micro meets Acoustat TNT200
  13. tube mic preamp kit??
  14. The SACD Meets Tubes
  15. Useful Abbreviations
  16. One B+ for the both driver and output tube if they are identical?
  17. Fisher 500B Schematic Question
  18. SE Output Transfromers Question
  19. Amplifier Project
  20. Grid Stopper for parallel sides of dual triode
  21. centre tap or floating heaters?
  22. Converting 6.3V to 6.3VCT Quick questions
  23. Russian Nuvistors...Anyone tried them?
  24. 一台300bc胆机,大家给点意见,谢谢
  25. Australian Amp Manufacturers
  26. Old radio quick question re PS
  27. Kt90 Pse
  28. Velleman K4040 is Always Blowing Output Tubes
  29. looking for transformer with the following specs?
  30. 5686 amplifier schematic
  31. Heaters for cathodes with a large swing
  32. 6DJ8 as phase splitter.
  33. New driver for SE 2A3
  34. I磛e made a Mu stage with 6888 and 6C45...
  35. Quick urgent Help plz !
  36. Cheap SET Kit for UK
  37. How can I change bias 6H30pi tube
  38. DHT heater voltage
  39. Ok SY...You Win
  40. Input level required- PP KT88
  41. SE 6C33C-B ; preview of a new Baby
  42. 2A3 grid DC voltage
  43. Dyna ST70 experience bypassing input tubes
  44. [Theory] Amplifier efficiency
  45. Pentode Cascode CCS
  46. Noval Relay
  47. Where to buy 6A5G ?
  48. AC or grounded DC for heater?
  49. EM84 based VUmeter "lines" don't go to zero
  50. 'scoping tube amps
  51. Preferred operating points of small signal triodes
  52. Is the Nuvistor Better Than The 12B4 For A Line Stage
  53. audio research schematics
  54. Looking to put the entire (last edition) RCA and Sylvania books online
  55. 5693 as a phono preamp?
  56. Audible Illusions Dual Mono Preamplifier
  57. should the filaments be already hot before the B+ is applied or
  58. One Electron vs. Transcendar
  59. "Y" caps? current bleed?
  60. I made a 200W tube amp!
  61. Power amp kit for a complete newbie
  62. Confused, datasheet of 417A/5842
  63. Audio Amp Project
  64. Tube tester settings?
  65. Neutrik XLR for Umbilical
  66. Primary Impedance
  67. Need help for HV section Design
  68. power amp kit recommendations
  69. 6N6P vs 5687
  70. Triode spice models for Circuit maker
  71. My ARC D70 get trouble
  72. when using PSUD2, do you...
  73. Depression... and a plea for help!!!
  74. Weston 981 Type 3 schematic and parts list needed
  75. 3W 6C33B-C SE OTL schematics ready
  76. Batory tubes, anyone familiar with these?
  77. Musical Pre-amp topology needed. Interstages please apply!
  78. Tube power Amp matching with SAE Mark M pre amp and AR18 speaker or MS 25i
  79. PowerDrive Circuit for 805 (+ve grid bias)
  80. Alternate spice models
  81. Is this heater supply OK?
  82. Basic RC Value Question
  83. Hookup powersubwoofer to a tube receiver.
  84. Transformer question RE; connections on phono stage
  85. Rectifier Tubes Data - Quick Sheet
  86. Which cabling to use?
  87. Need 396A/6N3P/2C51/407A spice model
  88. Antek Toroidal Power Transformers
  89. HT stands for???
  90. Is it possible to hook up 6c33 plate in parallel
  91. Help eliminating hum
  92. Tube LTP CCS?
  93. Trancsendar Transformers
  94. Hafler/Keroes 6L6 UL
  95. hum
  96. Leads for ISCO PS?
  97. Negative Feedback Bogen CHB100
  98. TubeCad's Hybrid amp question
  99. Cathode bias resistor value for 6SN7?
  100. El84 2-Channel Mono Blocks
  101. Tube Design Books
  102. Interesting Williamson article..
  103. Locating Preamp Output Transformers
  104. Plate characteristics
  105. How do you finance A Great DIY Audio Amp?
  106. 808 Se
  107. Parafeed doubt
  108. A little research: old tube amps from the past
  109. RCA Victor stereo cabinet amp-newb question
  110. Transformer temperature?
  111. switch in SPICE
  112. Using a standard pentode-tetrode as output "space-charge tube" any ideas-experiences?
  113. Tube testers which is the best?
  114. finished !!!
  115. Transformer Leg Connection Question
  116. simple ccs under 5-10mA ?
  117. Curcio Sarah Phono stage: opinions?
  118. suggest a KT88 SE to build
  119. Transformer potting material??
  120. Jan E Veiset Mini EL84 pp
  121. Some questions on non common things
  122. basic question on plate curves
  123. Euro barrier strip palace
  124. ARC D90 needs new electrolytics
  125. 5763 Triode Strapped
  126. Recommend me some transformers for a PP EL84
  127. grid LED bias?
  128. Help on tube socket
  129. Taking CFB to the extremes...?
  130. Output section impedance change query
  131. Tube Suggestions
  132. 82 Popped
  133. OPT Project for EL84 SE
  134. Interesting eBay "listing" for tube amp
  135. How to chose the right choke
  136. Eco warrior thinking of jumping ship !!!
  137. HELP! Cathode bypass caps keep going...
  138. Best Operating point for a 2A3?
  139. Need help with preamp
  140. Best place to buy valves and components?
  141. Replacing cathode resistors of Aikido 1st stage (or other SRPP circuit) with chokes
  142. Circuit calculations
  143. Finally going to give my TVC/active preamp a real home...
  144. Suggestion on the input transformer for tube preamp
  145. sylvania & GE tubes
  146. SE Amplifier
  147. "fisss" on the 6C33C-pp
  148. Best price for tube output and power transformers ?
  149. What kind of output transformer?
  150. transformer
  151. 20W PP Choke PSU Question
  152. Regulated B+ supplies (using tubes)
  153. Confused by the numbers
  154. Feedback on Thorsten's legacy "universal dht" amp
  155. Are there techniques for triode-strapping on the fly?
  156. The best bias point for KT88
  157. All tube CCS
  158. GU50 SE Amplifier class A , with 6SN7 Full construction details
  159. 50L6GT & 6L6GT sounds ??
  160. Especially for Tubelab: 845 amp 2.0
  161. Powerdrive
  162. Filament voltage and affect on Rp
  163. Tube pre-amplifier PSU
  164. Help with a cathode coupled pentode driver?
  165. Amp that has the biggest number of irons
  166. 12AX7A replacement
  167. Bogen CHB-10A Conversion, need help and advice
  168. Who said it was a good idea to try pentode!
  169. Input level
  170. 6V6GT
  171. 6AR6
  172. Any TCJ Push-Pull Calculator users?
  173. 211 Push pull operation points
  174. Edcor CXSE25-8-4K vs Hammond 1628SEA?
  175. 50W KT88 PP w/ NFB on Bonavolta
  176. Looking for nuvistor pre-amp preamp schematic please. 6CW4?
  177. BELL 3030 Amplifier
  178. Diy Paradise!
  179. Another PP 6B4G
  180. How to get a buffer with overdrive from a 12AX7 ?
  181. Pulsating Glow
  182. Question on using glow tubes (v-regs)
  183. Eliminating the OPT: impedance matching
  184. KT88 and push-pull ultra-linear
  185. Positronic Tubes
  186. Paint steel chassis with the "aluminum paint" used on wire fence?
  187. Best bias for 6cg7
  188. Coupling caps test bed
  189. 829B Based Amp
  190. slight hum still haunting me
  191. CCS bias question
  192. Can't get solder to stick
  193. EL84 amp plus subwoofers? STUPID? OR NOT?
  194. Johan Potgieter
  195. parallel sections
  196. PL504/EL84 SE vs parafeed
  197. [help] Look for McIntosh MI-200 Circuit diagram
  198. My experience: the cheap punch set VS Greenlee punch
  199. 6V6GT SE schematic -need!!!
  200. What's the deal with Broskie's iPod buddy?
  201. a quiz about AC power
  202. Beard P100 Amplifier
  203. Quick identification question
  204. Some more RIAA questions
  205. what to do?
  206. A suspect EL34
  207. Best way of reducing heater voltage?
  208. Musical Instrument tube amp part suppliers
  209. tubelab
  210. My first power amp
  211. El34 SE pentode
  212. All Electron Tubes Manufacturers
  213. Mu stage driver
  214. two questions on Parafeed amplifier
  215. 6AU5GT
  216. Connection advice
  217. 'Tube'-ing a reel-to-reel player.
  218. EL34 make up by PCB
  219. wanted RIAA schematic
  220. What is the best software to create tube schematic
  221. Soft clipping acceptable?
  222. help for this amp
  223. Pentode PP amp for comments, please
  224. 966A rectifier
  225. 938 power triode
  226. PL36 PP Amplifier 22W Full construction details
  227. Quick question about the output of my amp
  228. Sansui Transformers from Tokyo Electronic Industrial Co. LTD.
  229. An "All American" tube Project
  230. Aikido and output transformer
  231. Why are Hammond SE OPTs dissed? Heavier than the competition...
  232. Driver stage headroom
  233. Help me before I deal hot electric death to myself (PS question)
  234. AVO CT-160
  235. Two cathode resistor bypass questions
  236. What do you guys think?
  237. Antique Sound Lab Aq1003
  238. Audiomaster integrated (Valve) amp
  239. PP Amp using 811A
  240. Replacing ECC83 in Leak Stereo50 with ECC808
  241. 6N30/6H30 Datasheet
  242. Equivalents to 6888
  243. Input voltage
  244. Converting from integrated to pure amp
  245. Final schematic, I think?
  246. Toroidal core saturation
  247. Mystery SE OPT
  248. Is this a Spud Amp ?
  249. input cap V rating
  250. 6922 Heater - BIAS

Content Relevant URLs by vBSEO 3.3.2