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  1. Output Transformers Sun HCT 1003 KT
  2. Plexiglass case for small tubes?
  3. 100 Best Sound Tubes
  4. Input tube bias
  5. eschematic amplifier sinle end 12at7 6av6 6bq5
  6. Wiring - Audio Note Transformer Parallel Single-Ended 300B
  7. HV using zener diode
  8. Akai M8 rebuild up and running!
  9. Best current production 2a3
  10. what happens when plugging a stereo source into mono jack on a tube amp?
  11. Transformer coupled Gainclone idea.
  12. Audio Research VT100
  13. output transformer turns per volt
  14. valves and metal cones= bad mating?
  15. Why do you need a grid to ground resistor on a line stage?
  16. Need some help with RIAA Preamp
  17. Swapping transformer cores
  18. got hold of a bunch of tubes...
  19. output transformer secondary configuration
  20. WE/Ultrapath B+ Where?
  21. Blending 12ax7 parallel gain stages
  22. Sudden spark.
  23. Priboj Reborn
  24. Misunderstand of sijosae schematic
  25. 12AX7 Identification
  26. GM70 Datasheet Error!!
  27. Using old Hammond iron
  28. Need confirmation on LED bias for circuit
  29. Tube Parameter "Attenuation, Harmonic" What is it?
  30. Tube amp with Dual Triode
  31. Fisher X-101-C bias question
  32. DC Current-Regulated 300B filaments?
  33. Anyone ever use DC to heat rectifier tubes?
  34. Help Choosing Power Supply Voltage Regulator Aikido Phono Amp
  35. Best sounding remote control volume
  36. plate and screen voltage
  37. 12AT7 plate voltage
  38. Latest LTspice giving crazy FFT results
  39. Dynakit PC-3A as a balance pre?
  40. e283cc better sounding than?
  41. Porchlight Scratchbuild
  42. No output and Loud squeals! Help!
  43. Low mu triode for phase splitter
  44. Help figuring which is the center tap???
  45. Help with Paco SA-40
  46. Best tube/sonics
  47. One Half 12AU7
  48. Gyrators to replace PSU chokes?
  49. Output trannies for 6as7
  50. 2 Toroids = 1 Isolation Transformer?
  51. Sagging Heaters
  52. Kofi Annan in: "Kofi's Baby Huey"
  53. Point to point wiring help
  54. help !! PTT2s Line stage
  55. Rickard Berglund, Sweden
  56. clipping
  57. Wanted: a couple of UNF bolts
  58. H-Bridge Amp Design
  59. need help with yaqin mc10l
  60. Watt the?
  61. DIY tube preamp with 5687
  62. Help with tube stereo build
  63. Tube recommendation for speakers
  64. Eliminating volume pot?
  65. CXPP100-MS-3.3K or CXPP100-MS-4.2K
  66. tube power supply voltage
  67. Driver Bypass Cap - Value?
  68. Tube bases and plate caps rant
  69. tube dual regulated psu needs amp
  70. Help me choose output transformers
  71. Verdier dual regulated tube psu
  72. Aikido Phono Amp Output Tubes 12AU7 and 12AX7?
  73. Mullard EL84 ID
  74. schematic request for transformer with 4k primary and UL taps
  75. Plate-Grid feedback: How to get better than DHT performance from cheaper tubes
  76. More class D madness
  77. the SuperHybrid
  78. Tecon Model "55" final mods(?)
  79. Hammond P-T125E OPT
  80. Highbred Amp "TUMOS" Sounds good?
  81. 300B SET which chassis design
  82. Help with creating a simple tube HV regulated supply
  83. Tube Sockets for oddball miniatures
  84. Bogen chb35a
  85. My last el84 PP tube amplifier
  86. Ultrapath - Advantages?
  87. Phono preamp with c/em2
  88. 12AY7 plate current
  89. OPT identification
  90. Resistor values at supply to anodes
  91. Typical output impedance for tube amps
  92. Problems with EM87 stereo level indicator for computer line out
  93. VR tube recommendation
  94. Mills MRA-5 resistors in tube circuits
  95. B&K Dyna-Quik 500 shows good tubes as Shorted
  96. Output transformers
  97. Sub 6n6p for 6n1p?
  98. SET Amp History in Japan
  99. Grid Bias or Cathode Bias
  100. Oscillating CJ PV-5
  101. FireFly Single Ended Tetrode
  102. Aikido front end for a SE 6C33S
  103. Ground Plane vs Star earth
  104. Circuit board with long post??
  105. ecc804 as Phase Splitter
  106. What can you do with a 3a5?
  107. Auto Wave soldering sockets
  108. Using diode for biasing
  109. No bass in 300b amp
  110. Tube socket and pin cleaning
  111. Help With Left Channel Hum
  112. Volume pot has rustling sound
  113. How best to distribute heater windings
  114. 30MB6 data
  115. Kofi Annan in: "Pushed and Pulled Back!"
  116. How dangerous is it to build an SET?
  117. 6as7 SE OTL
  118. Melody Roll
  119. 8417 Output Transformer
  120. Do you still need matched tubes if running a CCS ?
  121. Is a LM335 a direct replacement for a LM317T?
  122. Bias worry
  123. About the tube 6463
  124. awesome RCA MI 12158 tube amp project
  125. Crazy idea: Output tranny with constant magnetic gap?
  126. Most linear triode-strapped pentode
  127. Aikidio Phono Amp Questions
  128. Sample and Hold
  129. Big push-pull power for dummies
  130. Taking my KT88 SE E-linear amp to the next level (long)
  131. Aikido Janus Shunt PSU
  132. 12b4a phase splitter! The best?
  133. Sansui 500EA vs. 500A
  134. Cascoded Ring of Two for Plate Load
  135. 6SL7 distortion
  136. My new PL36 Push-Pull amp
  137. Thyratrons
  138. Tube ampl. for repair
  139. Date codes
  140. China Sountrack KT88 need shematic
  141. Anyone know anything about the Luxman A-2003 tube xover?
  142. Dynamic negative feedback?
  143. New bie: some questions, want to start DIY pre amp
  144. Power Transformer issue
  145. Guess That Tube
  146. Poor soundstage with SET 300B
  147. Dedicated ESL amp -- please comment
  148. Buzzing AC relay coil
  149. Stereo amp parallel wired to mono - possible?
  150. Need biasing advice, cathode biased amp.
  151. Before I go ahead and build this...
  152. Beginner Tube Stereo
  153. Morgan Jones and the ECC88/6922/6DJ8
  154. Help with matching speaker impedance to old tube amp
  155. srpp 2a3 power supply
  156. 12AX7 Tube Question
  157. New problem with Music Angel KT88
  158. Need help changing 12V heater to 6V
  159. Phono cathode follower challenge!!
  160. 6au6 for stereo?
  161. determining input/output impedance
  162. "Singing" output transformers
  163. Sustitute 5842 for EC86
  164. Vege-toobz ;)
  165. Bad channel in RCA Victor Console
  166. Did tone bypass on PAS what about caps
  167. Pe06/40n
  168. Anyone own an HH Scott LK-72 Integrated amp?
  169. HELP!! Howling K12G!!
  170. McIntosh MC60 Bias question
  171. Connecting a MF tube buffer directly to AKM DAC
  172. How to evaluate RF tubes for power and fidelity?
  173. Amity Amp Nutshell Audio
  174. 8086 Tubes?
  175. Lil' Devil P-P Amp
  176. 6SN7 vs. 6SL7 in Darling amp
  177. BBC AM8/6 mono tube amp schematic
  178. ST70 works with PAS but not another preamp
  179. Freds in 6X5 psu?
  180. Hi-End 50W Push-Amplifier inspired to AudioResearch
  181. Audioromy fu-29 - push pull!
  182. Help - MS-6V6 Yaqin schematic
  183. High Voltage Direct Drive amplifier for Plasma loudspeaker
  184. A Direct-Coupled Amplifier with Cathode Follower 6V6
  185. Separo- Full Pictorial Disclosure- opinions please
  186. Hammond Integrated Amp Kits 1950s
  187. LW6-180 schematic
  188. What to look for in a tube preamp?
  189. Russian-English Translation of 4P1L datasheet
  190. Can anybody identify this
  191. New York Audio Labs (NYAL) OTL1
  192. New to tubes, need your advice.
  193. Brook 12a clone
  194. What type of audio transformers to use for tubes / valves
  195. need advice about building tube xover as a piece of art
  196. My first amp project, 6BQ5 (EL84) Single-End
  197. MA 6P1 6AQ5 Push-Pull Valve Tube Integrated Amplifier
  198. Stupid AB bias question
  199. Jamoke Direct to LPT/CCS PP EL34
  200. 4 x EL84 (6BQ5) in Push-Pull - Power Supply
  201. RFC: 300B driven by anode follower (6J5/6SN7)
  202. Shuguang SG-50 ( RCA UX-250 replica) comments ???
  203. Novel mode of lithium battery bias
  204. power supply problem in my dream amp...
  205. Understanding how to wire up an Output Transformer
  206. Tube sound without the tube! (almost)
  207. Replace Bypass Cap?
  208. Sales On Sound Vintage 40s Tube Amp Info
  209. Why am I blowing fuses when connecting to next component?
  210. New owner to an old Heathkit AA-121
  211. New amp just finished 6080 pp opt
  212. Aikido as DAC I/V?
  213. Potentiometer question
  214. DHT circuit development for noob:)
  215. modifying a schematic
  216. Any idea what the primary impedance of the X101-B OPT is?
  217. Transformer Ratings
  218. noisy Gain knob
  219. overcooling question
  220. Ecl82 PP amp rebuild - suggestions?
  221. GU-50 PP amp project - Any favs?
  222. External DC power supply?
  223. shielded wire
  224. Noise & attenuation
  225. Thinking of building the SV300B Push-Pull
  226. Transformers for Push-Pull sweep tubes
  227. 12BG3's
  228. Valve audio circuit design questions.
  229. srpp & distortion
  230. Common cathode circuit values
  231. Resilient Mounts - Materials Science help please
  232. Raytheon 6G-B6 information
  233. Output transformers
  234. Filament winding wire diameter
  235. EL34 for ST70
  236. Building a Tube PreAmp for Teddy
  237. series capacitor values..
  238. Music Angel KT88 correct circuit
  239. G1=G2/mu Scaled Drive Strawman Design
  240. Output transformer for 845 SE triode amp
  241. "10 year burn in" T Shirt arrives!!!
  242. Thinking out loud -- VT-33 headphone amp?
  243. Elektor USB magic eye
  244. Maganavox Tubes Made in USA?
  245. Magic Eye VU Meter
  246. More EBAY Madness !!
  247. Major modifications of a Bogen AP-35
  248. Help with circuitmaker Pentode model
  249. Kt-120 ?
  250. Help with 6F5/6L6 rebuild...

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