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 99 100 101 102 103 104 105

  1. advice for 6L6GC P-P amp
  2. need some info in a UTC s-16? anyone!
  3. 2A3 power supply transformer
  4. Hi-Bass button
  5. Searching for my first tube amp
  6. Which phono preamp ?
  7. potted transformers
  8. chokes and power supplies
  9. Heathkit A7 ?
  10. Best tweeter amp
  11. Should I use a cathode capacitor in my SE amp?
  12. Help, Just Starting Out
  13. JJ Tesla ECC99 spice model
  14. Newbie to tubes, what can they handle?
  15. Quicksilver rectifier
  16. SE amp question
  17. yaqin mc10k
  18. Hello again, plus a couple of Q`s.
  19. My first home audio amp.
  20. Boostrapping?
  21. KT88 budget- Sovtek, Valve Art, EH?
  22. looking for schematic with 6em7 as a driver or...
  23. Multi-Channel Contol Unit
  24. TAD-EL84-STR experience?
  25. OTL question
  26. Good SET for newbie
  27. 6n1p simpl(ish) design
  28. Short list of DIY tube amps with PCBs available...
  29. Parallel feed (choke load) in output stage
  30. Few general question for starter?
  31. winding a simple PP output transformer
  32. Cats prefer 12E1's
  33. Tube vicinity heat problems(maybe?)
  34. Help me design pre-amp PS
  35. Power Amplifier With EL 34
  36. psu design problem
  37. Anyone have info about Jukka Tolonen?
  38. What do you think about this hybrid amp?
  39. Power supplies in mic tube preamps
  40. Hammond 1629SE
  41. 41 Valve Amp? vs 45
  42. DeWald M-1200
  43. Pilot AA-903B Tube Amp
  44. MC225 schematic needed
  45. Can you make a +/- supply with valve rectification ?
  46. Audio Innovations Series 500 problems
  47. Big, Heavy, Tube regulated Lambda Power supply
  48. Audio Note DAC Output Transformer Hookup
  49. Got some tubes, help me properly evaluate them
  50. current flow, which direction?
  51. Tube flashes upon turn on, why?
  52. Odd hum problem
  53. DHT and resistors in parallel w/ heater
  54. Presenting the "Fartbottle" deluxe.
  55. amp mod
  56. Need info about rare Siemens Cf "post tube"
  57. Tube defect - What is the problem.
  58. el84 amp
  59. VIETA A-215 Schematics
  60. 6AR6/6098 ultralinear
  61. Tube kit for beginner
  62. earthing!!!!!!!!!!
  63. Heating only one half of a double triode
  64. Quick question regarding PSU Designer II
  65. calculate +B in EL34 SE triode conect
  66. Help with driver transformer
  67. Tube buffer for a cd player
  68. VSE riaa equalizer phono stage
  69. AC or DC Heater?
  70. looking for a good valve amp to fix
  71. Best operating point for 7044 and 5687
  72. S&B TX102 and preamplier stages
  73. I need help
  74. 6AS7 Mono Block's
  75. Filter/Regulator for B+ Supply
  76. Ecf 83
  77. cheap but good SET amplifier?
  78. DRD calculator
  79. Luxkit A1020 need help!!!
  80. Sophia Electric™ 300B 2.5V Mesh Plate Tubes
  81. benifits of auto bias
  82. KR Enterprice
  83. Preamp Boards From Hong Kong
  84. earthing
  85. Best sounding medium priced EL34 tube?
  86. 6CA5 Rectifier - B2Spice Model
  87. Help needed for a 6L6 Push pull amp
  88. constant current filament regs
  89. 6SN7 Basics (Newbie)
  90. Anyone tried the EH fat bottle 6CA7?
  91. TJ Tubes
  92. My tubes are going down. HELP !!!!
  93. Tino Zottola...where are you ?
  94. Lilliput amp
  95. filament rails
  96. Ss Diodes??
  97. Tube mic preamp
  98. CCS Filament Regulators for split filaments
  99. Quicksilver 8417 power supply caps?
  100. Audio Research LS7
  101. simple valve preamp
  102. valve preamp
  103. stand by switch or not?
  104. Omega Grand 6 and which amp?
  105. Line amp to speakers
  106. a bit more bass?
  107. Output transformer application help please.
  108. 5687 pre...some problems
  109. Recommendations needed for designs of PP pentode strapped as Triode
  110. KT88 push pull noob questions (sry)
  111. Need help identifying Stromberg Carlson Amp
  112. help needed diagnosing Grounded Grid power supply
  113. Building a tube Model????
  114. EL34 best for triode strapping ?
  115. Subwoofer amp
  116. Replacing Valves
  117. help me on 845 scheme....
  118. Help valve newb salvage some old TV tubes
  119. Cathode follower distortion results
  120. Bullet Proof 6L6GC Recommendation PLEASE
  121. newbie recomendations please
  122. NOS Tubes
  123. Audio Research CA-50 tube rolling
  124. OT on Decaware SE84C-S
  125. Change PP Amp Into Phono Pre?
  126. pl84 ore el84
  127. VTL Compact 100 Monoblock x 2.
  128. Battery bias a 6SU7 in the 300b billies
  129. Speaker impedance roughly 6 ohms, 2A3 SET...
  130. B2 Spice SE tranformer parameters
  131. Determining cap values (old radio)
  132. thoughts on 300b operating points with 3k output
  133. Grounded Grid wiring question
  134. PP-Triode , PP-UL , PP-Pentode-strapped-as-Triode
  135. Found some EC8010
  136. SE PX4 or PX25 amp, anyone built one????????
  137. HAL-O Damping Instruments
  138. An intriguing 6S45P direct coupled 300B amplifier
  139. difference between Cayin and Jolida
  140. 417a line preamp help
  141. kenwood trio el84 push pull schematic
  142. Any comments on this design?
  143. Amp for speaker testing
  144. Shielding preamp power supply
  145. Troubleshooting EL34 push pull amp
  146. amp input volume
  147. What Mullard 12AX7 is better?
  148. Universal audio / Avalon mic pre schematics
  149. Since transconductance amps has become so popular lately...
  150. Mecanical PSU hum
  151. help i.d. this amplifier
  152. Question about a hybrid PSU design
  153. 35Z5GT half-wave rectifier
  154. Best place to use 2 Jupiter Bee caps in tube amp?
  155. what rating for diode of 450Volts DC
  156. Telefunken 6L6GC ???????
  157. Why are my amps doing this?
  158. How to calculate the gain of an input-driver stage?
  159. 6L6 vs EL34
  160. protect your amps
  161. Snap Ring Octal Sockets
  162. Suitable operating point for 6SN7 as a differential driver ?
  163. Suitable rectifier
  164. 6N1P & SV83 mu stage driving 845?
  165. Has anyone built a transformer coupled preamp?
  166. Circuit diagram for RCA vintage 6BQ5 amplifier?
  167. Driver valve discussion
  168. Help to choose the tubes!
  169. Why hum in one channel only?
  170. DC heater noise WORSE than AC
  171. Rdh 4
  172. 900v B+ Silly time.
  173. tube rectifier arrangement
  174. Matrix Amp?
  175. Dynaco Stereo 70 amplifier
  176. Ultimate power switch?
  177. AC or DC current for 300B and 2A3 tube filaments ?
  178. 0.1uF @ 3000V Ceramic?
  179. Power Triodes in current production
  180. Anyone in the world identify eico trans?
  181. Mullard 5-20 in triode mode
  182. THX certification, or integrated near THX Quality,
  183. Feedback resistor on Baxandall tone stack?
  184. SE Pentode or PP Triode ?
  185. how does one "voice" a tube amp
  186. Musical fidelity Nu-Vista
  187. Tube substitutions in Heathkit W5M
  188. PSUD2 question
  189. 6L6 class A P-P CFB amp
  190. i have a matched pair of 3cx1000a7..
  191. Different silvering patterns on tube tops?
  192. Help with amp rebuild
  193. Mystery (to me) phase inverter?
  194. Biasing
  195. SE KT88 Amp
  196. Good design?
  197. Auto Biasing
  198. nuvistor MC step up
  199. Corian for tube amp?
  200. 6AQ5 Line stage?
  201. 6550 o/p stage
  202. Help with finding preamp schematic
  203. AVO data for 8417 (Quicksilver) tubes
  204. Any experience with this nice toroidal OT?
  205. 300B SE cathode feedback to grid?
  206. hummmmmmm?
  207. ERO KP1832 Bypass Caps for sale
  208. no bass makes pedro a whiny boy
  209. Iron, glass, sand and lead.
  210. Is this any good? Considerations
  211. 2A3 SET Output Transformer opinions/recommendations
  212. My 6C45 DC 6C41, advice wanted
  213. DIY valve
  214. A good SE project?
  215. who will build me this special "line tubeamp"
  216. PI filters
  217. Designing a simple dc filament supply?
  218. Rogers Cadett amp
  219. HI & a few words/questions ...
  220. 6d22s
  221. eBay
  222. Chassis layout for Stereo JE Labs 300BDX
  223. Output transformer help
  224. CAD Program for Tubes
  225. 801A/816 tubes wanted
  226. This little thing might save your life!
  227. What happens if I loose the cathode bias?
  228. beginners ecl82 power supply
  229. 2MHz, High voltage source?
  230. beginner's ecl82
  231. Handmade Electronics Metal Punches?
  232. EL34 types
  233. Spice Model 6CW4
  234. El/pl 519
  235. Euridice symetric to Amp?
  236. use of 6dj8 as driver on a direct coupled 2a3 se amp
  237. Western Electric 275A Schematic
  238. Where to source 833 power tube
  239. capacitor reactance
  240. Overvoltaging resistors
  241. EL84 Push Pull amp.
  242. Power supply load capacity
  243. Tube preamp problem
  244. E88C (6DL4/ 8255), any circuit for it?
  245. Is there a name for this drive method?
  246. 6BM8 Question
  247. Tube mic preamp/mixer
  248. Please cast your votes..or make a suggestion or 2
  249. RIAA in LTspice
  250. Parallel ECC82 comment please

Content Relevant URLs by vBSEO 3.3.2