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  1. full pentode ppp
  2. Input transformer question
  3. Is this Tesla ECC803S real or fake?
  4. Michaelson and Austin TVA-1
  5. EN VOGUE DARLING SRPP SE PARALLEL 1626 REVIEW NEEDED
  6. 6EB8\6GN8 P-P Output 2*12w Class-B
  7. B+ regulator for KT88 amplifier
  8. Help figuring out wind/hiss
  9. 12A07 low voltage preamp
  10. Buying guideline for 6c33c
  11. New 211/VT4c shootout
  12. GM70 Output transformer
  13. OTL 2013
  14. Octal Preamp Triode Thoughts (IDHT's)
  15. Wrong tube and pin wiring
  16. New Production Tube If Transformers from Germany
  17. Direct connected madness
  18. RH84 build & quite a few questions...
  19. Output tansformer Nuvistor 7587/7985
  20. Tube preamp kits
  21. Capacitor query L1 audio innovation pre-amp
  22. Someone Told Me This Wouldn't Work?
  23. How to "do" a FM Multipath Monitor
  24. EF86 pins 2 & 7
  25. Welborne 300B DRD amp
  26. My First Tube Project: 6N16B
  27. Triode mod with G2, G3 connect to anode
  28. Valve mic cable diy
  29. Toroidal transformer is bad
  30. EABC80 and the double diode triode?
  31. Frequent Question -Golden Tube Audio 300B monos schematic??
  32. Transformer Terminal Designators
  33. Slew rate limiting in output stage
  34. Sonic Frontiers Line 2 - no line level output
  35. KT88 Ultralinear?
  36. Help with 12AT7 CCDA - EL34 SE Amp Design?
  37. THE FINAL AMP
  38. need 6SN7/6H8C reccom. for amp
  39. 211 parallel amp (made in Iran)
  40. Changing to twisted pair heater from one side grounded
  41. Choke input supply. Cap question.
  42. tube rectifier 6AX4GT
  43. RS1003 triode mode Spice models
  44. Firestone 6V6 Monoblock Problems
  45. Lundahl Output transformers?
  46. GMI-6 / GMI-6-1
  47. New power transformer for Millett's DCPP amp,now available at EDCOR
  48. Tuned Circuit?
  49. remote lead for tubes
  50. Building a Stereo EL84 auto bias PP tube amp
  51. Tube conversion of differential to single ended signal
  52. A transconductance tube amplifier
  53. Unknown Tube
  54. 12vdc to 150vac
  55. When is a tube too weak?
  56. The Best Way To Separate L+R and Driver/Output Tube Power Supply ?
  57. Biasing aBerning EA-230
  58. Aikido Noob - Please Help!
  59. Wiring Capacitors in Series
  60. Dynaco ST35 power transformer
  61. Valve Pre > Intergrated amp
  62. Whats the difference RH84 or Mullard 3-3?
  63. Ultra-Linear SE EL84?
  64. Self balancing pp using ccs question
  65. Help: How To Select Schottky Rectifer Diode
  66. 6550 plate resistance in triode mode? Calculate?
  67. making 6sj7 have same gain as 6sl7
  68. Thick Film resistors?
  69. Mounting position EL84
  70. Curve Tracer: Which One To Buy, What To Consider, Options ?
  71. 71A Tube Filament: AC or DC ?
  72. My Current Line + Phono Combo
  73. What is better than one audioromy M-828A FU29?
  74. Mazda tube
  75. Aikido selectable gain
  76. Preamp power supply
  77. Has anyone used CV9 tubes in a pp design
  78. 9 pin Vector turret socketsIt seems that Vector turret 9 pin sockets are hard to come
  79. BALANCED AUDIO VK 5 VK20
  80. Output transformer computation
  81. 2E25 Tetrode in Ultra-linear mode...NICE !!!
  82. Input Attenuators
  83. new build SE to EL 508
  84. found this on kickstarter
  85. SE Output Transformer question
  86. Safety of DC-coupled inputs
  87. Found some old tubes.
  88. Presence control
  89. Fixing an amp head - bad tubes?
  90. EL84 what factory produced it?
  91. Trio Corp 300b fake?
  92. Cheap triode class A 3Watt + assembled/kit you know ?
  93. Elekit tu 879s upgrades
  94. EZ80 Choke Input Max Capacitance
  95. Correct measurement of filament voltage.
  96. Who put the "half" in the Koren SPICE equation
  97. 5Y3 tube rectifier
  98. Triode or ultraliner connected ?
  99. What is the "Tube Sound"?
  100. Here are some 12B4A, CCS, Preamp Circuit and Spice models
  101. Which KT88 ?
  102. Why make a tube amp that sounds like a SS amp?
  103. Mark VI power Supply
  104. audioromy fu29 - not working, repair or scrap?
  105. Valve amp questions for someone new to them.
  106. Driving Parallel Tubes
  107. Matching quad set
  108. Anyone listen a 46 in UL mode ?
  109. McIntosh MC30 vs. Fisher 80-AZ
  110. Voltage Divider at input to Power Amp
  111. Checking EL84 with Eico 625
  112. Dynaclone ST70 6F2 Alternative
  113. Nobsound MS10D
  114. Need Help - Monoblock Power Amplifier EL 34
  115. Replace output transformers in Dynaco ST70
  116. 6P14P-EV in my Simple P-P
  117. Help finding a new tube headphone amp
  118. Cost of building from scratch
  119. Help with loadlines in p.s.e.
  120. Simplified pentode Loftin-White with plate-plate feedback
  121. Inductor Fed VR Tube
  122. Screen Grid Peak Voltage
  123. Unknown (Westrex?) AE285 KT66 cinema amplifier
  124. Has anyone dual-monoed a Stereo 70?
  125. CV2799 (Mullard) QQV04-20 parallel single-ended audio amplifier
  126. Pentode G1 series resistance effects.
  127. MUZAK 975a 75watt, 50s
  128. Hybrid SS/Tube Balanced Mic Pre
  129. Adding a baland pot to cathodes on a cathode biased amp?
  130. Is the 8532W a substitute for 8532?
  131. Low cost class A Hi-Fi amplifier 807 S.E. Ultralinear - Pentode drivers [6G6G]
  132. Configuring 2A3 Driver for 2A3 PSE
  133. Integrated Tube Amp opinion
  134. Ultra-Linear vs. Pentode Longevity
  135. RCA PA amp SA752LO...
  136. Running preamp into acive speakers with cap input
  137. Putting Stock In Carver?
  138. Weak treble
  139. About GU50 PP in UL with separate G2 winding and supply
  140. Volume control after the preamp stage or before ?
  141. COPLAND CTA 401 - upgrade of components ?
  142. 2 amp simulation/dummy load for transformer
  143. Optimal Operating Point for E280F Driver for 300B Single End Amplifier
  144. 809 Triodes
  145. PSRR
  146. Looking for a schematic or link to a post
  147. Who makes a Williamson output transformer ?
  148. Help with an S5 K12-G Tube Amp
  149. Turing's new tube amps. Please give staff about.
  150. Life Expectancy of DHT's
  151. 6GB8 data sheet translation needed
  152. Full Wave Rectifiers: Center Tapped vs. Bridged
  153. Vectorscope?
  154. Apple macmini become to 6MD8 tube amp
  155. Potting Wax?
  156. How do I repair my Tube Amp?
  157. asr433 simple problem (i hope)
  158. Russian Tube Codes
  159. Help: Driver Stage Design
  160. PAS Power Transformer Capability
  161. 7A5 tube...a small marvel !!!
  162. phono preamp for the s5 electronics model 16ls amp
  163. Screen Stopper Blew
  164. OTL design opinion
  165. Pile of TEK scopes.........what do I keep?
  166. Inclusion of an oscilloscope on tester
  167. 6V6SE - Suggestions?
  168. Heretical Line Stage: BOM?
  169. Tube amp to drive 4 ohm headphones?
  170. Another TVA1 - KT88 power amplifier
  171. 845 parafeed
  172. datasheet 6P44C
  173. ecc85 tube buffer or line stage?
  174. Valvestate 8080 That's been dog Peed...
  175. "An elegant full function tube preamp mated to 1st rate SS power amp"
  176. How to select a good Hifi 12AX7 tube?
  177. LTP with CCS and negative PS
  178. Odd phase splitter
  179. Yet Another Hybrid Amplifier
  180. what Lundahl OPT for headphone 2A3 amp? (for HD800)
  181. Heater to Cathode voltage e88cc
  182. ASR-433
  183. Marantz 8B phase splitter
  184. Bob Latino ST120 Down
  185. SS phase splitters?
  186. Supply Filtering and why Capacitance Multipliers are NOT the Answer
  187. SE 6L6 to KT88
  188. HT power supply design
  189. Good tubes for concertina - 4P1L maybe?
  190. Powr supply question
  191. What is wrong with this Amplifier?
  192. Palmer DREI - Three SE Output Tubes Together?
  193. Heathkit TC-2 Checker and KT88s
  194. my Dummy Amp Contraption
  195. HF Oscillation Heat-Up Spk's Magnet!?
  196. Triode calculations
  197. Western Electric 131
  198. Electrolytic vs. Film 2A3 Cathode Bypass?
  199. Sylvania JAN 6SN7WGTA, late 1970's
  200. Stromberg-Carlson AP-55
  201. SHUGUANG 2A3
  202. Circuit breaker help.
  203. Recommend me a bookshelf speaker for 5W
  204. Monarch STA 100X weird?
  205. 1954 US Army "Sound Repeater" amplifier
  206. 6N7...this configuration work ?
  207. RIAA Active EQ
  208. Direct Coupled E-Linear Amp
  209. Double Triode Mu
  210. Music Angel kt88 new pcbs problem
  211. EL503 replacement?
  212. Reducing gain in a SRPP circuit with ECC82?
  213. 12XX7 Triodes
  214. Output Tx just for interest
  215. Valab in Taiwan output transformers
  216. Impedance Question
  217. How to include a dual triode tube in a KiCAD schematic?
  218. 12U7 SPICE Model
  219. Phono Stage Woofer Bounce
  220. Problem with new L3-3 please help!
  221. Edcor output transformer...very nice !!!
  222. SE Hybrid Amp "The Lunatic one"
  223. Marantz 8b power transformer B+ down 30%
  224. Single or paralell trafo?
  225. CJ PV 5 Impedance?
  226. ECF80 driving EL84 PP
  227. Luhdahl LL1660S what current rating for D3a driver?
  228. what's that cap?
  229. SE EL84 Component placement Suggestion
  230. How to make a cheap 6N3 Buffer Amp even better?
  231. buying Tube Amps need advice/opinions
  232. dynaco pas3
  233. 5U4GB full-wave bridge, stumped
  234. HELP NEEDED for a 6CA4/EZ81 power supply
  235. OT for 2A3 PSE w/Parafeed
  236. More Dynaco Mark VI Questions
  237. curious feedback in circuit of Pioneer SM-Q300 receiver
  238. Hytron 2E25 - Other forgotten and marvelous tube !
  239. need tube upgrade advice please sir
  240. buyer beware
  241. JJ 5y3S pin 1??
  242. My first Sansui AU-111 Rebuild
  243. Capacitor-induced distortion
  244. Elevating Heater Voltage with multiple Transformer Heater Secondaries
  245. Common Cathode as DAC output
  246. Pre-Amp with russian tubes 1j24b
  247. How to calculate, the output impedance of a tube with grounded grid
  248. How To Draw Load Line With Output Transformer ?
  249. Inter electrode capacitance.
  250. My amp is an oscillator !

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