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  1. DIY JTM 45/100 Style Guitar Amp
  2. Pentode guys: important to decouple g2 supply between stages?
  3. Ccs
  4. The Friday Chuckle
  5. Need help deciding what to build
  6. Why does red plate spell early death?
  7. Odd transformer with 6X4 tube mounted on top.. smoking more than my uncle Frank
  8. fisher 400 tweaking issues
  9. GM70 an 813 strapped in SE-UL - circuits?
  10. need help on transformer secondaries connection
  11. Partridge audio output transformer value
  12. Low mu Preamp Triodes as Power Output Tubes
  13. 300B Transformer temperature
  14. Standby Switch Problems
  15. Worth repairing?
  16. Measuring current distortion
  17. GM70 sockets?
  18. high AC mains problem
  19. 250 V PSU help
  20. EL34 UL Curves
  21. datasheet for ge 5star and rca command 5814a?
  22. PS choke voltage/current quetsion
  23. push pull power amp design question (a lot of actually :) )
  24. Knight Amplifier Repair Question
  25. Grant G100AS circuit diagram?
  26. Hashimoto A-105 - summary so far
  27. Related Audio Worlds largest
  28. Why do valves go microphonic?
  29. Allen Wright Superreg manual
  30. Need help on resistor values for 5687 aikido kit
  31. Pioneer SM83 PP amps
  32. Techtube valves/tubes
  33. Datasheet for Russian 6p3s-e
  34. Continually Blowing Fuses
  35. I am done with AES -- a short rant.
  36. CineMag CMMI-15/15B
  37. In market for a Capacitor meter - for a tube project!
  38. What amp(s) would you buy under $1500
  39. Etf 2008
  40. All FET Aikido
  41. what 12au7 have different tone ??vintage and modern
  42. Can 3.5W 2A3 amp drive proAc 1SC?
  43. British seven pin sockets
  44. Pentodes, triode mode and grid screen dissipation 101
  45. Yakov Aronov amps
  46. Suitable tube pre-amp for Phase Linear 400?
  47. Goldpoint value?
  48. TubelabSE 300B power transformer ?
  49. 316A socket
  50. Hashimoto A105 - some results (ECC99)
  51. Some uses for old transformers
  52. Power Supply Question
  53. PY82 as rectifier
  54. Jackson 637 Tube tester Info needed
  55. pro-ject tube box
  56. Some dumb Questions on Heater CCS supply
  57. Aikido loses power?
  58. Quicksilver 8417/12FQ7 mods
  59. Calculations for an AIKIDO
  60. Music Angel Empty shells
  61. Enclosure for tube amp/speaker/reverb unit
  62. Need help troubleshooting preamp trouble
  63. Compactrons on the brain!
  64. XSE vs. GSXE Edcors
  65. output transformer
  66. How to simulate OPT in LTspice?
  67. 311-b
  68. PSU Design help !!!
  69. BDT Preamp build
  70. Russian tubes / capacitors purchasing
  71. Bored with Leak ST20 - ideas?
  72. KT-88 Music Angel problems with sound level
  73. Fusion Hybrid 300B
  74. I'm new here..... :(
  75. DIY/Buy/Kit
  76. Ralph from Atma-sphere will be giving a talk 09/16
  77. Modified USB DAC board, DDDAC with triode buffer
  78. LS50/GU50 Both Grid Drive
  79. Aikido filament question
  80. 6l6 Se.
  81. Feedback requested on 7591 PP design
  82. Blackburn Mullard/Philips video
  83. DIY sheilded B+ cable
  84. Experimenters Tube Sockets
  85. Used freebies precipitate questions
  86. Mains toroid as IT with DC balance?
  87. Tubes for Viva Solista 845 SET amp
  88. SE transformer for PP duty?
  89. Warning: new SS relay question / No flame I
  90. Tube Haunts Thread?
  91. Problem with Maida regulator
  92. 2 stage SE IT coupled amps..
  93. BUF420M Current Sink
  94. Direct from the mains?
  95. PSU capacitors: 30uF film ok instead of 100uF electrolytic?
  96. Annealed silicon core opt`s
  97. Designing a "cheap" highish-power PP amp...
  98. Improvements for the Mikael Abdellah KT88???
  99. DC supply on driver tube hums..
  100. Sun Audio SV-2A3
  101. Mullard Blackburn Tube Factory Tour Video
  102. SE amp: Please suggest a better operating point
  103. Paralleling Outputs or Bi-amp
  104. triple triode common cathode - only want to use 2 triodes
  105. Luxman 3045 Mono Block Tube Amp
  106. Eye tube for balancing multi amp system
  107. 12ax7 preamp.
  108. External PSU for Quad 22 pre-amplifier
  109. Keep Blowing Fuses
  110. learning tube rectified psu
  111. 17JB6... guitar amp?
  112. Series of Diode on HT Plate
  113. Quad II power amps......power output transformers!!!
  114. Mullard (factory) making tubes again
  115. CFB and A2 operation
  116. DIY triode
  117. Interesting symmetrical amp from 1955 magazine
  118. 6N23P, 6S19P anybody knows?
  119. Worlds smallest HiFi valve amp
  120. A DIY Interruptus Moment
  121. Noisy EL84 amp needs new front end
  122. Loosening up magnetic "stiction"
  123. The Return Of Blackburn Mullards?
  124. Can I use different value cap?
  125. tubelab SimpleSe power transformer connection question
  126. need output transformer for Fisher
  127. help for E182CC linestage/driver
  128. User Beware: A Report On Jj Tubes
  129. Depletion mode mosfets for 2mA CCS ?
  130. New tube stash question
  131. Stepped attenuator recommendation...
  132. Pros and cons of Cascoded front ends
  133. EF86 as a volume pot, line pre 2008
  134. RCA voltage regulator
  135. Input voltage attenuation
  136. Valve Buffer amp
  137. 6y6ga
  138. Filmosound L-1 6V6 Volume pot issue
  139. 3C24 in a SE output stage - output transformer impedance recommendation !!!
  140. Another 3f4 spice triode model: 5718 submini triode
  141. hp-8903B advice??
  142. need info on how to convert my bogen k10 for guitars use
  143. Differential Amplfiers - current sources under/over the triodes
  144. Impedance rate VS impedance stability
  145. Anyone running Mikael's SE KT88 in Pentode?
  146. what double triode is less microphonic ?
  147. Need advice on proper use of anode chokes.
  148. Grounding problem?
  149. Current regulation for filament of say a 300B
  150. diagram for OTP 6.6K valve KT88
  151. Dynaco Pas Transformer
  152. Regulated screen supply
  153. Shocked!!!
  154. set el84 tube amp
  155. tube preamp RIAA
  156. 4E27 as a substitution of 845
  157. LS 37 lite audio phono
  158. I want to build an amp!!!
  159. Multimeter test leads?
  160. Choosing proper g2 grid stoppers for SE UL..?
  161. audio note P1SE improvements
  162. Help for choke input regulated PSU
  163. 5687 perveance
  164. Where Can I Pick Up Neutral
  165. Hyperlinear line preamp
  166. What tube to use.
  167. Using mains transformer as output transformer
  168. AutoCAD of tube Packages?
  169. Has Anyone Tried This Before??
  170. More Tube Learning (for me) Cathode followers
  171. weird hum problem
  172. Simple technique for guitar amp channel switching?
  173. Weird oscillation
  174. Tube stash strategy and testing (long)
  175. Choke loaded LTP
  176. LM Ericsson 2C51 help!
  177. Antek TXs??Any use em???
  178. Speaker impedance questions (SE KT88)
  179. Spud-Assist: Totem-Pole Current-Mirror PP Hybrid
  180. my 6922 / E88CC preamp
  181. For the moderator
  182. 3 amps for HE speakers
  183. Pentode sounds great
  184. Shindo claret
  185. james 6123hs
  186. 6550 Amplifier
  187. ARC Ls 15 Schematic
  188. Super spud-amp?
  189. Basic Oscilloscope Usage Questions
  190. Grounded Cathode phase?
  191. Simple SE, how to wire CFB with outputs for different speaker impedances?
  192. PCB Board designer?
  193. Speaker for your low power tube amp?
  194. Tube collection Database.
  195. E288cc value?
  196. Hi End Tube Project
  197. parallel SE 2A3
  198. Want to build a tube/SS hybrid preamp for HT
  199. Do anyone has schematic for Counterpoint SA3000 ?
  200. Thermistor B+ or primary
  201. Measuring AC at Radio Frequencies
  202. The MingDa MC67-HA meets Frankenstein
  203. What's the biggest full wave damper diode?
  204. Maximising Tube Life
  205. Darling power supply calculations
  206. This is nice - Pix Ongen tube RIAA amp
  207. Tubelab SE 45... Super amp!?
  208. DAC - tube gain stage w/ AC heaters
  209. Microphonics?
  210. Insides of Tango Transformers
  211. Thoughts on horizontal sweep tubes?
  212. 2A3 Design Issues (Long)
  213. Design using EL42 output pentodes
  214. Blumlein's Garter Bias question
  215. Original ECL86 "Baby Huey" thread
  216. Too low heater voltage?
  217. Tube and digital?
  218. 807 monoblocks
  219. What to swap a 6AV6 for?
  220. Pot Noise Help
  221. cathode bias circuit question
  222. ECC40 driver stage for 2A3
  223. heater current and 6922 - 6n6p swap
  224. Tube Crystal Clock Oscillator
  225. Decware Zen Plate Model ZSP1
  226. Battery Power Preamp E188CC review please !
  227. 6sl7
  228. Tube sale at AES
  229. 5v3a
  230. 813 trioded Datasheet and curves
  231. Importance of resistor working voltage spec?
  232. TCJ My-Stock DB
  233. 845 Amp
  234. Ripple filtering help... strange slow rise and fall of voltage
  235. Plate and Filament Transformers
  236. Tentlabs Neg Bias Vs Machmat AFB
  237. Looking for 12AT7/ECC81 phonostage schematic
  238. 6AV5 PP amp Design Review
  239. 6sn7 Preamp power supply
  240. Please: tube kit for <$300?
  241. making a load line
  242. Telefunken Consoles: not just for tube and iron scavenging!
  243. Genalex Gold Lion KT77
  244. driving HD600
  245. Counterpoint SA-3000
  246. Phono stage for 2 7F7s (stereo) plus buffer?
  247. Help and your input on YAQIN MC10L EL34
  248. EL Cheapo Quad amplifier???
  249. Noob questions about a K-12/K-502 kit
  250. 3 quick transformer questions

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