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

  1. Dead Copland CTA-501
  2. Is the E86L the industrial sister of the EL86?
  3. Hammond 1630SEA, worth trying?
  4. Using Gas Regulators
  5. Cheap and Chinese KT88 SE amp
  6. Cary v12 -> V12r Conversion Questions
  7. 15 watts loud enough?
  8. ST70 hybrid finally up and running !!
  9. The Making of a Triode
  10. Spice models
  11. HV SS bench top power supply, advice needed
  12. A new Aikido is born - and kicking butt!
  13. Preamp - DIY vs Audio Research (or similar)
  14. Stromberg-Carlson 433 : Add standby or not?
  15. All-tube digital clock
  16. audible illusions dual mono preamp
  17. Siemens/Klangfim 6.4 mono question..?
  18. James 6123 OPT Wiring Help
  19. Next Bogen Conversion soon - need phase splitter advice
  20. A basic question regarding transformer laminations
  21. TOO many volts ????!!!!
  22. Dynaco Mark VI
  23. Frankenstein
  24. Unity buffer from 7-pin triode?
  25. Heathkit WA-P2 preamp
  26. Internal shield on 6922 dual triode
  27. 6cl3, 6cj3, 6dw4, 6ck3, 6ay3
  28. 418a
  29. Is it worth biasing with a distortion analyzer ???
  30. Usefulness of 6X8 tube?
  31. reducing hum in SET amps
  32. dynamic loadline
  33. Designing Transformer-Coupled Circuits...
  34. Tube-amp power issues
  35. SCA-35 Dynaco
  36. Q on voltage swing
  37. Buzz on preamp
  38. Help- I'm new!
  39. tube phono stage
  40. Schematic for Gm70!Where to find it!
  41. getting the specs on a transformer
  42. Nixie bargraph as a audio VU-meter
  43. Unique or odd uses for the diyAudio CCS boards
  44. Balanced tube preamp for class D power amps.
  45. 117v heater tube 117n7
  46. bypassing the plate-load
  47. Is this OK for a heater supply?
  48. which gauge wire for PSU????
  49. Citation II OPT?
  50. A new project, Blue Velvet Pre Amp is ready and rocks ! ! !
  51. Suggested budget pwr sply topologies?
  52. Battery for Cathode Voltage?
  53. Calbest help
  54. PO'ed at RFI
  55. 12B4-A Linestage
  56. Relay Attenuator for tube amp
  57. Aikido and K-1000 headphones?
  58. post poweramp power attenuator
  59. preamp tube for metal
  60. Favorite Output Tube?
  61. CCS Grid Bias
  62. Ring of two CCS for differential triode amp - stability?
  63. Unstacking a transformer...
  64. interconnect cable 15' long
  65. Citation II oscillating, Uh oh
  66. Regulated PowerSupply for Frank's 6SN7 Preamp
  67. Regulating G2 in Pentode Operation
  68. WE310A, a confusing issue
  69. Naming conventions
  70. Newbie: Powering up Tube Amp
  71. preference between 5842 and 6c45pi
  72. Help! first tube pre-amp with 12ax7
  73. S11E12 / 12E1: best operating point ?
  74. 6j5 trasformer coupled driver/splitter
  75. A new audio tube
  76. heretical unity gain OUTPUT stage...
  77. LL1630 Pre amp
  78. New Jensen caps has no bass in..Simple EL84PP
  79. EIMAC toobz : What sort of PSU ?
  80. Filament Transformer for 26 DHT
  81. Valve Pre for Chip Amp
  82. To hell with pride. I need help w. Grounded grid Pre-amp
  83. signal wiring / chassis grounding - Aikido
  84. Power rating for triode/pentode resistors
  85. Unity coupled power amp
  86. 6BX7 Outputs
  87. DIY Preamp for use with Dynaco ST70
  88. +B Power Supply Basics
  89. Tubes and their sweet spots.
  90. How to accomplish local feedback in pp amp ?
  91. Telefunken 5094
  92. Coupling caps size with grid choke?
  93. My first audio project
  94. Relationship Between Inductance And Current In Filter Choke
  95. Harmony H303A
  96. 6C4C - 6S4S - 6B4G op points?
  97. anyone mod a tube ultragain in here?
  98. EL84s glowing red
  99. Found a power transformer, what to do with it?
  100. Output section on preamp questions/breakdown.
  101. Transformer coupled 6AS7/6080
  102. Single Tube RIAA preamp too good to be true?
  103. What to make?
  104. LPT with low triodes?
  105. Ground questions
  106. Help! Upgrade a Music Angel KT88
  107. Need schematic for EL84 PSE
  108. Old OTL circuite question
  109. sub out in my 300b se? Help me please.
  110. Interstage OPT to drive 6V6 pp amplifier
  111. Voltage label on schematics...
  112. mystery purchase of the day
  113. What about the Eimac 3-500z?
  114. How much DC offset can a tube preamp take?
  115. Low voltage drop pass tube
  116. Convergent Legend Preamp
  117. vintage tube amp repair help
  118. Lasers, Tubes, and PCB
  119. 76 operating point/max plate rating?
  120. Mullard Made Tube Source Query
  121. SE Amp with NO HUM
  122. Frrank's 6Sn7 preamp...take out coupling cap??
  123. Need Schematic or help Newcomb AV-10 turntable tube amp
  124. Tube kits for beginners
  125. Lectron JH50 Tube Bias
  126. Tone circuit and other guitar amp Q's
  127. Removing LEDs from chinese amp
  128. Project madness
  129. chinese and tube Depot amps?
  130. eml 520 v2 info
  131. Gibson GA20 schematic needed
  132. Potted Transformer Enclosure Suppliers?
  133. Rogers Cadet III Phono Stage
  134. Modding Roberts/Akai mono block tube amps
  135. Full-wave bridge
  136. Output transformers and frequency response
  137. Class A2 SET using source follower driver
  138. Rectifier that drops lots of volts?
  139. switch snubber on preamp
  140. HV supply please comment before building
  141. This is cool
  142. Gold Lion KT88 Reissues
  143. 6F8G's any good?
  144. Matching capacitors
  145. Tung-Sol (new production) 6550s
  146. Curves, curves, and more curves
  147. Help for new design..
  148. OTL SE - Help Wanted with Idea
  149. OPTs causing crosstalk?
  150. KT88 Usable range
  151. How to change tubes ??? (NEWBIE)
  152. Do I need a Trafo for the HV in my 12AU7 (ECC82)?
  153. Need some help with potentiometer.
  154. Pinout of a UTC CG-422 power transformer
  155. Simple EL34 SET; advice?
  156. Popping Noise = Clipping ?
  157. PSU for an 813 SE
  158. Single Stage Line Amp (Diff Amp) Tube?
  159. EL 84 Edicron UK vs JJ
  160. calculating HF rolloff at 20kHz from input impedance
  161. Need info on RCA 813 used in Tube Amp
  162. Baby Huey: shunt feedback doesn't work to me
  163. Audio Innovations 800mkiii output trans needed
  164. High voltage psu
  165. First tubeamp, dont laugh too hard
  166. Newbie building d3A DRD 300B
  167. small practice amp with master volume
  168. Looking for informations on Marconi TF2331 Distortion Factor Analyser
  169. gu81m
  170. 6sc7 vs. 6su7 in LTPI duty
  171. Cascode with ECC81(12AT7)=>Morgan Jones
  172. Where can I find these?
  173. Kofi Annan in: "Seven-Pound Mono Amp"
  174. Kofi Annan in: "Surf Bassin'"
  175. McIntosh Re-cap Questions
  176. 5881
  177. Cary Audio V12 - Schematic - Needed
  178. Anyone tried this method for OTL?
  179. Can't simulate 12AX7 with multisim 7
  180. new member, and some Electrohome PA100Mk1's
  181. Edcor Interstage for Phase Splitter?
  182. Why isodyne splitters not popular...
  183. Low Voltage phono stage for newbies
  184. 6EJ7 or 6EH7 triode strapped?
  185. New Guy
  186. Counterpoint SA20 Mosfet output rail voltage
  187. Silly Chassis Punch Question...
  188. Tube Noob question
  189. tube shop in the uk
  190. Choke question
  191. Self Bias and Fixed Bias for Big Tubes?
  192. page tubelab.com
  193. Stromberg Carlson ASR433 Question
  194. CCS better in plate or cathode
  195. Audiophile term: "HIP test"
  196. Advice needed for tweaking S5 Electronics K-12G diy kit
  197. TV Damper Diodes
  198. 813 SE circuit,will it work?
  199. Looking for tube for application
  200. Finger joints vs. screw and glue
  201. 2C36 plate curve
  202. EL34 as preamp
  203. with DHT rectifiers, is the "+" side of the power supply...
  204. Paging Unison845
  205. Quad II - Forty
  206. my amplifiers
  207. Cheap spud amp
  208. Dr. Z "Route 66"
  209. Interesting 6L6GC Test Report
  210. 4D32 SE amplifier... help!
  211. 6AS7G with grid current?
  212. bypass switch for preamp
  213. Grounded Grid vs. Aikido
  214. how to connect an EL34 pentode into a triode and 100ohm resistor between plate and g2
  215. Could this work? (PP amp with CCS)
  216. about newbies...and textbook..
  217. NFB capacitor to screen tap on ST-70 ?
  218. Aikido question
  219. Help with amp #2, 300B or 6550?
  220. Russian 807
  221. Searching Sound Valves M40 Monoblocks schematic
  222. Make: Bell P/A - Model: Carillon '35'
  223. Octal tubes for 7695-style matrix amp?
  224. SET recommendations
  225. Dynaco ST35
  226. Scott LK-72A is ALIVE
  227. 5687 as a single stage SE amp
  228. Changing two stereo amps into two monos
  229. UL Feedback Tap Calculation
  230. Precision Test Equipment tube tester
  231. Octal pentode sub for ef86?
  232. Help with guitar amp sound
  233. to mach1: tubecad regulator using tl431
  234. Thermal management: it this not really of concern?
  235. Signal phase shift through a tube amp
  236. Common-mode EI PS Chokes
  237. Signal pentode in current production
  238. Pentode vs Ultralinear
  239. Bogen CHA33/CHA33Y
  240. Sheet Metal Gauge
  241. Help with 6N6p
  242. Can anyone help, identifing selenium bridge hookup please.
  243. E182CC substitution ?
  244. Face Plate Printing and Silk Screening
  245. Funky reading 12B4A?
  246. Sovtek 5Y3 Issues
  247. from lilliput to gargantua (just for fun)
  248. Formula for calculating HT voltage?
  249. DIY Headamp for Sennheiser-650?
  250. Nuera Tube Amps

Content Relevant URLs by vBSEO 3.3.2