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

  1. Tube Gear Supply/Surplus in Houston Area
  2. What 2a3 ?
  3. long tailed pair - need more gain
  4. how to bypass the volume pot on my SET amp?
  5. 2 stage AIKIDO
  6. Guys please help me with my Jolida 102B!
  7. Philbrick GAP/R K2-W question
  8. First time baby Huey amplifier build
  9. 6LB6's....
  10. LMG Capacitor
  11. Meng 6PI Biasing Question
  12. AIKIDO LV WON'T START
  13. Under rating of Vertical Sweep Tubes
  14. Simple 845 tube monoblock design
  15. Running on filament only
  16. soft stat
  17. BJT Bias?
  18. Preamp Squeal
  19. Hammond L101 compensation cap
  20. Powering a headphone amplifier with DC filament supply
  21. new to this
  22. miniblok 1 voltage problem
  23. How will this affect my amp?
  24. Tetra Phono Builders...got problems!
  25. yagoolar's tube amp projects
  26. Base material of GEC KT88 Feb 1960
  27. Headphone amp with 6n2p valve on 12V
  28. pcc189 for audio use
  29. Reading material
  30. 2A3 rectifier
  31. help calibrating a mercury model 1000 tube tester
  32. 866a valve test
  33. Anybody in the Knoxville area?
  34. Looking for simple Push-Pull tricks (from Baby Huey) #1
  35. Why wire an output transformer as autoformer ? (parafeed)
  36. Measuring unwanted grid current
  37. Tube companies
  38. heathkit a7???guitar amp
  39. Hi Performance Pre amp
  40. HH Scott Type 209 Amp
  41. 6l6gb PP w/fixed bias?
  42. Holy cow! Can anyone tell me why this wire is so pricey?
  43. EL34B 6N9P 5Z3P amplifier kit - any thoughts on schematic?
  44. 4 x EL84 in UL PP, 470 B+!! is this right
  45. What amp is this?
  46. PS Setup For Testing
  47. OTL designed by Tim Mellow with 4 6C33C?
  48. Bassman 100 schematic questions
  49. Quick question on this schematic
  50. Variac, how to ?
  51. Tube data sheets - inaccuracy
  52. Benny's new ForeWatt SRPP pre amplifier
  53. OddWatt PP UL amplifier from scratch
  54. OPT Impedance
  55. Rectifier Valves
  56. WE311 amp
  57. Sherwood S8000 transformers
  58. yaqin MS-12B Search for Diagrams
  59. EICO HF-30 - Schematic
  60. 12AU7 Phono Stage
  61. How to install a motor run capcitor
  62. Sanity check on B+ regulator
  63. 6B4G PPP idea
  64. First OTL breadboarded
  65. New amp build
  66. Tube Parametric EQ - Idea looking for clarification
  67. Peavey Valveking 100- static sound during warm-up
  68. My Fender Twin Amp Not Working - get your guesses in
  69. DHT heater supply
  70. MC/MM Phono Pream PCB
  71. Help Identifying Old Westinghouse Tube Amp?
  72. GM70 SE Amplifier
  73. OPT considerations
  74. Help - the pre amp I made is not working!
  75. Aikido tube connections.
  76. EL34 PP output tranny questions
  77. DC heater voltage 6 volts or 12 volts?
  78. Dynaco st70....Can I use 6 ohm speakers?
  79. Aikido vs. Foreplay
  80. I found a valve amp in my garage...
  81. Separate PSU to Amp connection
  82. cheep miniure meters
  83. cary SLA 70
  84. Help!!! My Audioromy FU29 amplifier was fried!
  85. Help!!! My Audioromy FU29 amplifier was fried!
  86. Take a look at my transformers
  87. input transformer for Simple SE Tubelab amp
  88. miniblok 2 distorted sound
  89. Appropriate replacement OPT for Fisher 30-A with 2.5Ohm Secondary
  90. For hk citation II owners\experts.
  91. Dynakit Mark III amplifier
  92. Transformer in reverse current doubt
  93. CELLINI-2 a hybrid
  94. Need help starting
  95. ARC (Audio Research) VT50
  96. mixed mode bias
  97. 2C52 datasheet
  98. Yaqin SD-CD2 tube buffer - upgrading stock tubes
  99. 12v Tube amp
  100. Is this ok
  101. 12ax7 Bass Preamp Power Supply Question.
  102. Help a newbie out with his Sherwood S-800iii
  103. A&R 4008 output transformers
  104. Kulish Circuit
  105. A little digression= read on
  106. Sweep tubes and G3
  107. CCS - Help!
  108. Another odd-ball PA amplifier
  109. 25W with 2xEL86(6CW5)!
  110. Question About High-Fidelity Magazine 195x - 196x
  111. The HEATHKIT MA-12 a MULLARD 5-10 In Disguise.
  112. who have schematic of Phenix OTL G3?
  113. CHAMP8 with ECLL800
  114. Drive requirements.....
  115. KT88 hybrid amplifier
  116. 2300 ohm vs 5000 ohm output trans question
  117. Has anyone used this regulator?
  118. Diy HiFi Supply Tram Mk2 DHT OTL Preamplifier
  119. Current mirror circuits
  120. splitter/driver stage
  121. Would someone explain this amp to me please?
  122. What am I experiencing?
  123. 6U10, 6AC10, 6D10, 6AV11
  124. My debut into the vacuum world: Yarland FV34B
  125. Resistor value tweaks for Radford STA35
  126. do you own a chinese tube integrate? does it.... smell?
  127. Needs help to find transformer
  128. 12AU7 / 12AX7 push-pull
  129. Subwoofer connection?
  130. Ultra-low Noise Valve Regulated PSU. How to?
  131. One channel has less glow
  132. 6l6 tube amp troubleshooring progress
  133. Baldwin organ transformers
  134. has anyone used a chip for an input driver to a 2A3 or the like??
  135. Good PSU for HT upt to 15mA??
  136. Edcor transformers have arrived, but really puzzled!
  137. PCL86 Tube Pre-Amp for guitar. Any Idea?
  138. Single tube, Single ended, 20W, impossible?
  139. Stan's Aikido Build
  140. Power transformer rating
  141. 7w 300b vs 350w Car audio observation (car loses)
  142. Seriously considering doing an OTL - but . .
  143. Emulating remote cut off
  144. Cheap Sakura Hybrid Tube Amp Modification
  145. screen tap on OPT
  146. Understanding Cathode Decoupling
  147. How to test interstage transformers?
  148. DIY Tube Mic
  149. Modified 6C33C
  150. Counterpoint SA-3.1 Rebuild
  151. 6V6 flare at start up
  152. Tube aging, in-circuit test?
  153. HV Regulator board
  154. What kind of top cap for 6V7G?
  155. Changing bass amp output transformer
  156. First timer wood chassis hints
  157. High voltage and heat sinks
  158. GM-70 family with top cap anode?
  159. testing 8417's on mercury 1000
  160. 6N3 Tube Preamp with DC-DC converter
  161. Question About Worn Tubes
  162. help ID 4-500 old stock tubes
  163. 6SN7 SRPP preamp
  164. Reduced Heater voltage to reduce noise
  165. ECL82 monoblock 'spud' and a question
  166. Small Tube/SS hybrid amplifier design 9V
  167. Gibson PA Amp
  168. Plate load impedance
  169. Dynaco 440 Transformer Cathode/Screen Taps 6P1P 6AQ5 UL transformer
  170. Good idle current for NOS 7868's
  171. 6N2P - WHAT THE?????????????
  172. Output transformer for 845, GM70, 813 and FU-13 - cheap and good
  173. Got an old Westinghouse radio today!!!
  174. Distinction between Driver and Output stages
  175. Need a decent chassis punch set
  176. UL P/P KT88 Class A
  177. Problem with 12ax7 phono stage
  178. LA2A parts, T4B spare
  179. Was ist das?
  180. Rset values for IXYS IXTP01N100D
  181. Dutch Book
  182. Tube amplifier chassis damping
  183. How the heck do I solve this problem????
  184. Pentode to Triode Operation
  185. AbouT the PSU II simulator & the "Cockeyed Bridge"
  186. GM70 bias & IT ratio question
  187. Transformer or choke sealed with metal case
  188. Peavy windsor tube head issue
  189. Projector 6V6 Tube Amp rats nest p2p
  190. micro pre amp
  191. Aikido - calculating Rk for new tubes
  192. Steady thumping noise in preamp
  193. Leak Stereo 20 hum and buzz problem
  194. 5V AC maining for filaments
  195. Topology for Schade
  196. Thorsten 6SN7 Line stage.
  197. 12v B+ Tube buffer 12AX7
  198. 300B preamp - best operating point
  199. home made tube amp with 12v b+ how to build one?
  200. Engineer's Amp
  201. Show My Tube Headphone Amp [Add-On Modulars Design Supporting IPOD/IPHONE]
  202. FFT for adjusting tubes
  203. Music to soothe the savage tubes.
  204. Voltage divider instead of expensive volume pot or stepped attenuator.
  205. Question about Hickok 539C
  206. Long-tail pair phase splitter
  207. LM317 calculator for filament circuit
  208. Self-Biased Cathode Follower Output Point
  209. filaments power supply
  210. Power tube buffer
  211. Latching Switch Assemblies
  212. Easy Way To Reduce 251V to 235V?
  213. EL84 Push Pull 25-30 watts
  214. Exploded view of valves
  215. Infineon BSP135 depletion mode mosfet
  216. Show us you COMPACT tube amps !
  217. HV Regulator
  218. Help with my new system
  219. Anything similar to the RNT900 regulator?
  220. The 3W Hammond 125ASE output transformer
  221. Carbon Comp vs Metal Film
  222. Different brand valves
  223. Buzz In Guitar Amp
  224. quad el84 or PP el34
  225. Inexpensive wire source
  226. to MC30 or not to MC30
  227. unbypassed cathode resistor
  228. Supro Golden Holiday Schematic Needed
  229. Does this transformer work?
  230. Max grid resistance for GM70?
  231. Stacked power supply HELP!
  232. Parallel pwr supply chokes for add'l current?
  233. Need help to verify Amperex 7119's genuineness
  234. Need help/advice on a problem with console amplifier
  235. Getting started with my VERY FIRST project
  236. PCL Vintage Amp VA1956 - transformer issue
  237. Help to Identify
  238. 300B based preamp....looking for schematic
  239. USB Oscilloscope
  240. RH84SE, use as headphone amp ?
  241. The New Yaqin/Music Angel/Meng & Others Discussion Thread
  242. Power triode bias by tube rectifier
  243. Two questions on IR volume control
  244. 25 watt output tube
  245. DC heating my 300b
  246. RNT-900 regulator
  247. KT61 Equivalent - Ping Waveborne
  248. EICO 666 meter needle moves too fast/pegs too hard...help?
  249. Eico 666 meter movement speed help
  250. Running a tube without heaters

Content Relevant URLs by vBSEO 3.3.2