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  1. 'Tube'-ing a reel-to-reel player.
  2. EL34 make up by PCB
  3. wanted RIAA schematic
  4. What is the best software to create tube schematic
  5. Soft clipping acceptable?
  6. help for this amp
  7. Pentode PP amp for comments, please
  8. 966A rectifier
  9. 938 power triode
  10. PL36 PP Amplifier 22W Full construction details
  11. Quick question about the output of my amp
  12. Sansui Transformers from Tokyo Electronic Industrial Co. LTD.
  13. An "All American" tube Project
  14. Aikido and output transformer
  15. Why are Hammond SE OPTs dissed? Heavier than the competition...
  16. Driver stage headroom
  17. Help me before I deal hot electric death to myself (PS question)
  18. AVO CT-160
  19. Two cathode resistor bypass questions
  20. Home-Made Tube Guitar Heads
  21. What do you guys think?
  22. Antique Sound Lab Aq1003
  23. Audiomaster integrated (Valve) amp
  24. PP Amp using 811A
  25. Replacing ECC83 in Leak Stereo50 with ECC808
  26. 6N30/6H30 Datasheet
  27. Equivalents to 6888
  28. Input voltage
  29. Converting from integrated to pure amp
  30. Final schematic, I think?
  31. Toroidal core saturation
  32. Mystery SE OPT
  33. Is this a Spud Amp ?
  34. input cap V rating
  35. 6922 Heater - BIAS
  36. JJ 2A3-40 Watt?
  37. 12AU7 testing result: Are these tubes still good?
  38. "OTK" stamp on russian devices
  39. Where did nj7p.org go ?
  40. New to forum! Or: A few newbie questions
  41. Powersuply Le Bong?
  42. Fixed Bias: the ups and downs
  43. Bias Adjustment Question
  44. Multiple secondaries hook-up!!!
  45. Plate voltage related to sound?
  46. Array speakers & OTL
  47. First Post - Hum on 5687 Pre-amp
  48. DC powered amps
  49. Evaluating Unknown Power Transformers
  50. 0v grid bias with UL connection?
  51. LV Filament supply quandry
  52. which tube using NonDirect heat with best-class sound ?
  53. Surround Decoder - Subtract amplifier
  54. New To Forum - First Post
  55. Try to understand
  56. tube site
  57. OTL with 6S19P?
  58. What should B+ on 300B push-pull be?
  59. Regulated PSU with EL84
  60. How do I design minimum current for 35W PP AMP
  61. Buying bits'n'bobs...
  62. Can't make this address work.....
  63. schematics for 6C33 single ended OTL?
  64. Guitar amp input tube paralleled
  65. valve preamp
  66. trio W-38 problems
  67. Cheap Russian 2.2uF 400V PIO Capacitor
  68. Otl Se
  69. My 2A3 is being left behind
  70. SE for Bass?
  71. Wal-Mart power supplies
  72. Nice deal!
  73. Look for high-voltage regulator projects
  74. Typical plate Voltage for el34
  75. Arc Sp8
  76. New Phono amp - developing stage
  77. fender princeton 5D2.. DONE!
  78. CCS Bang for the buck output or driver?
  79. pentode driver sanity check - before i build
  80. 6av6 mini pre didn t work
  81. CCS in the output stage
  82. Looking for Schematic using KC3 Preamp ?
  83. If you are looking to try balanced AC power....
  84. The best Coupling cap (under $20)
  85. What makes a speaker "tube-friendly"?
  86. Using 6L6 for 300b driver
  87. Heater reference
  88. 6G15 output transformer selection
  89. Morgan Jones and cascodes
  90. 6A3/6B4G/6S4S(2A3/2S4S) project
  91. blues junior complaints and 6G15 question
  92. Question about changing a hybrid
  93. High-end Class A valve amplifiers will be illegal in USA?
  94. transformerless supply
  95. "Quasi" ultralinear experiment - questions...
  96. Help on a LUXMAN MQ 3600
  97. Changing from 6X4 to EZ81
  98. Design questions, driver stage for SE.
  99. S5 K-12G Question
  100. Ideas for a tube that heavily distorts ?
  101. CCS current sink in the output of my 2 tube 6080 amp.
  102. What do you think about my design (based on IMPAMP)
  103. spearinol oil (in ASC caps)
  104. Larger chassis Hole Punches
  105. HV Diode Selection
  106. Need help form Germany
  107. Output Impedance
  108. How to connect Gridchoke?
  109. Microphone In Guitar amp Question
  110. Triode connecting a pentode?
  111. help on line pre-amp
  112. Edcor P-P Transformers
  113. chassis work in NYC area
  114. low THD guitar preamp
  115. Please help ID this rectifier:
  116. Power Supply Voltage For 5881/6L6 Amp
  117. Audio Electronic Supply AE-25DJH
  118. Trouble: Main transfo short?
  119. help with chassis layout
  120. "Preamp" with remote (long)
  121. 6BY5 High Voltage & High Current Choke Input Design P.S.
  122. x-10 d and x-can version 2/3 schematics
  123. Ugly, but versatile, new amp
  124. Capacitor advice needed for AVA PAS rebuild
  125. Mic pre transformers
  126. Gain of JE labs 300B?
  127. Troubleshooting.
  128. new to the forum pre-amp
  129. Preamp output delay
  130. Super Triode Connection Amplifier Build with 6BM8 and 6AK5
  131. 1st project hum or buzz
  132. Impedans of trafo for EL504 inSE
  133. Can I use 2C39-B to sound
  134. usage of line out trans.
  135. eagle with tubes ?
  136. Rlim in GZ33 datasheet?
  137. LT1085 Current Regulation for DHT filaments
  138. Help Fixing Bias
  139. MC phono amp
  140. 10M45 Mu-Stage Idea?
  141. Hickok 6000A with 6C33 & 13E1...
  142. Isco 494
  143. looking for spice model of 6HA5 or similar tubes
  144. 6SL7 to 6SN7 substitution in power amp?
  145. Adding Subwoofer output to Aikido preamp circuit
  146. A request for PP 6c33c Schematics
  147. Thumping from left speaker when volume is low
  148. Crosstalk in twintriodes?
  149. Example Schematics?
  150. how to choose a rectifier tube? (specifically octals)
  151. Rather odd valve socket - anyone have any ideas?
  152. PS for GG - look for better channel separation
  153. help! T16 OTL schematic
  154. Bench PSU for tubes
  155. Tube Bogen J330 PA amp
  156. FM Stereo Tuner Tube Schematic ?
  157. Conn organ conversion to amp
  158. Smoking Transformer
  159. Questions on 1:1:1 driver transformer
  160. Pentode vrs Mosfet “MU-Stage”
  161. Transformer center tap connections
  162. dumb question :P KT88...
  163. Tube rectifier & regulator (modified)
  164. Some advice on this power supply
  165. Looking for Amperex C11550/1 data.
  166. Inserting tubes into Express PCB
  167. What do you think of this? (211 A2 SE)
  168. Help w/ diyAudio CCS implementation
  169. First DIY Amp Project
  170. HELP with PHONO and MIC preamps.
  171. CLC vs LCLC: is there any advantages other...
  172. Problem with old Heathkit
  173. Does anyone interested tube rectifier & regulator PCB ?
  174. Velleman K4040 conversion from EL34's to KT88's
  175. finished my PCC88 preamp
  176. Max 300B SE output possible with James 6123HS ?
  177. Who's right re bias adjustment versus plate voltage
  178. voltage current regulator
  179. Yarland 34 ciii amp
  180. CCS/5842/300B ground schematic.
  181. tube sockets
  182. PX25
  183. Research on tubes and circuits simple circuits
  184. using only 1/2 of a dual triode
  185. Some HMMM on my SRPP
  186. Grid Stopper
  187. diy tube amp problem
  188. The Red Light District - another PP EL84 amp
  189. Balanced 300B output for headphones or loudspeakers?
  190. 5692, the best?
  191. Power transformer quality differences
  192. Is it possible to use regulated DC for a rectifier tube?
  193. Transformer Secondary Power
  194. Phono preamp
  195. VR Tubes as Cathode Bias of 2A3 SRPP Loftin-White
  196. Physically small rectifier tube with 5V heaters
  197. Distorting 5687 preamp circuit
  198. Looking for a good 300B datasheet
  199. CCS is your friend!
  200. Valve Pre Amp & Class D Power Amp
  201. heater supply questions
  202. sub-mini valve
  203. Amp kit recommendations
  204. First amp for a new in valves
  205. Loud buzz and hum from one monoblock!!!
  206. Stueyh
  207. Big *** '50s Power Supply, now what? 300B SET ideas...
  208. Phono Preamp Design Needed
  209. antique fender bassman 50 retubed HELP
  210. Severe oscillation in 6L6 amp
  211. How to tweak warmth to a power amp?
  212. Can anyone explain me this Loftin White amp?
  213. Substituting dual triodes
  214. ValveWave-1 My first Tube Project
  215. changing output capacitor value? what should I consider?
  216. motor run caps in the output? good or bad idea?
  217. resistors across the heater voltage then the middle is grounded
  218. Switched Pot Source Needed
  219. transcendar transformer
  220. Installing tubes upside-down? Bad? Maybe it doesn't matter?
  221. Voltage Multipliers
  222. I want to build an AM Tube Tuner
  223. Tube Amp CCS?
  224. S-5 Electronics Tube Amp Kit
  225. Tube amps from eBay (China)
  226. filament supply: batteries v TentLabs?
  227. replace a 5651 tube with a zener?
  228. tube design books
  229. Bogen chb100 input conversion suggestions
  230. MesaBoogie 400+ clone
  231. EL34 in place of a 6AS7G (used in the supply circuit as a pass tube). how?
  232. R-core xformers from China
  233. Counterpoint Service manual wanted
  234. Two chokes in one pot?
  235. help with a transformer
  236. 311T (211 alike) HIGH power triode
  237. Re-attaching anode cap to 805 or 811A tube
  238. "Fisher Doctor"
  239. Aikido + class D in the output stage
  240. tube-shop-com
  241. Ultrasonic heaters
  242. Grounding the Filament Winding
  243. Lundahl LL1680 for balanced output
  244. Website is back & new books posted
  245. strange tube G1 S/5
  246. First Tube Amp Needs an Overhaul
  247. pspice models for tubes
  248. Source for iron cores?
  249. Quad EL84 SE question
  250. Use of 12j1l and gu-50 tubes

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