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  1. Why make a tube amp that sounds like a SS amp?
  2. Mark VI power Supply
  3. audioromy fu29 - not working, repair or scrap?
  4. Valve amp questions for someone new to them.
  5. Driving Parallel Tubes
  6. Matching quad set
  7. Anyone listen a 46 in UL mode ?
  8. McIntosh MC30 vs. Fisher 80-AZ
  9. Voltage Divider at input to Power Amp
  10. Checking EL84 with Eico 625
  11. Dynaclone ST70 6F2 Alternative
  12. Nobsound MS10D
  13. Need Help - Monoblock Power Amplifier EL 34
  14. Replace output transformers in Dynaco ST70
  15. 6P14P-EV in my Simple P-P
  16. Help finding a new tube headphone amp
  17. Cost of building from scratch
  18. Help with loadlines in p.s.e.
  19. Simplified pentode Loftin-White with plate-plate feedback
  20. Inductor Fed VR Tube
  21. Screen Grid Peak Voltage
  22. Unknown (Westrex?) AE285 KT66 cinema amplifier
  23. Has anyone dual-monoed a Stereo 70?
  24. CV2799 (Mullard) QQV04-20 parallel single-ended audio amplifier
  25. Pentode G1 series resistance effects.
  26. MUZAK 975a 75watt, 50s
  27. Hybrid SS/Tube Balanced Mic Pre
  28. Adding a baland pot to cathodes on a cathode biased amp?
  29. Is the 8532W a substitute for 8532?
  30. Low cost class A Hi-Fi amplifier 807 S.E. Ultralinear - Pentode drivers [6G6G]
  31. Configuring 2A3 Driver for 2A3 PSE
  32. Integrated Tube Amp opinion
  33. Ultra-Linear vs. Pentode Longevity
  34. RCA PA amp SA752LO...
  35. Running preamp into acive speakers with cap input
  36. Putting Stock In Carver?
  37. Weak treble
  38. About GU50 PP in UL with separate G2 winding and supply
  39. Volume control after the preamp stage or before ?
  40. COPLAND CTA 401 - upgrade of components ?
  41. 2 amp simulation/dummy load for transformer
  42. Optimal Operating Point for E280F Driver for 300B Single End Amplifier
  43. 809 Triodes
  44. PSRR
  45. Looking for a schematic or link to a post
  46. Who makes a Williamson output transformer ?
  47. Help with an S5 K12-G Tube Amp
  48. Turing's new tube amps. Please give staff about.
  49. Life Expectancy of DHT's
  50. 6GB8 data sheet translation needed
  51. Full Wave Rectifiers: Center Tapped vs. Bridged
  52. Vectorscope?
  53. Apple macmini become to 6MD8 tube amp
  54. Potting Wax?
  55. How do I repair my Tube Amp?
  56. asr433 simple problem (i hope)
  57. Russian Tube Codes
  58. Help: Driver Stage Design
  59. PAS Power Transformer Capability
  60. 7A5 tube...a small marvel !!!
  61. phono preamp for the s5 electronics model 16ls amp
  62. Screen Stopper Blew
  63. OTL design opinion
  64. Pile of TEK scopes.........what do I keep?
  65. Inclusion of an oscilloscope on tester
  66. 6V6SE - Suggestions?
  67. Heretical Line Stage: BOM?
  68. Tube amp to drive 4 ohm headphones?
  69. Another TVA1 - KT88 power amplifier
  70. 845 parafeed
  71. datasheet 6P44C
  72. ecc85 tube buffer or line stage?
  73. Valvestate 8080 That's been dog Peed...
  74. "An elegant full function tube preamp mated to 1st rate SS power amp"
  75. How to select a good Hifi 12AX7 tube?
  76. LTP with CCS and negative PS
  77. Odd phase splitter
  78. Yet Another Hybrid Amplifier
  79. what Lundahl OPT for headphone 2A3 amp? (for HD800)
  80. Heater to Cathode voltage e88cc
  81. ASR-433
  82. Marantz 8B phase splitter
  83. Bob Latino ST120 Down
  84. SS phase splitters?
  85. Supply Filtering and why Capacitance Multipliers are NOT the Answer
  86. SE 6L6 to KT88
  87. HT power supply design
  88. Good tubes for concertina - 4P1L maybe?
  89. Powr supply question
  90. What is wrong with this Amplifier?
  91. Palmer DREI - Three SE Output Tubes Together?
  92. Heathkit TC-2 Checker and KT88s
  93. my Dummy Amp Contraption
  94. HF Oscillation Heat-Up Spk's Magnet!?
  95. Triode calculations
  96. Western Electric 131
  97. Electrolytic vs. Film 2A3 Cathode Bypass?
  98. Sylvania JAN 6SN7WGTA, late 1970's
  99. Stromberg-Carlson AP-55
  100. SHUGUANG 2A3
  101. Circuit breaker help.
  102. Recommend me a bookshelf speaker for 5W
  103. Monarch STA 100X weird?
  104. 1954 US Army "Sound Repeater" amplifier
  105. 6N7...this configuration work ?
  106. RIAA Active EQ
  107. Direct Coupled E-Linear Amp
  108. Double Triode Mu
  109. Music Angel kt88 new pcbs problem
  110. EL503 replacement?
  111. Reducing gain in a SRPP circuit with ECC82?
  112. 12XX7 Triodes
  113. Output Tx just for interest
  114. Valab in Taiwan output transformers
  115. Impedance Question
  116. How to include a dual triode tube in a KiCAD schematic?
  117. 12U7 SPICE Model
  118. Phono Stage Woofer Bounce
  119. Problem with new L3-3 please help!
  120. Edcor output transformer...very nice !!!
  121. SE Hybrid Amp "The Lunatic one"
  122. Marantz 8b power transformer B+ down 30%
  123. Single or paralell trafo?
  124. CJ PV 5 Impedance?
  125. ECF80 driving EL84 PP
  126. Luhdahl LL1660S what current rating for D3a driver?
  127. what's that cap?
  128. SE EL84 Component placement Suggestion
  129. How to make a cheap 6N3 Buffer Amp even better?
  130. buying Tube Amps need advice/opinions
  131. dynaco pas3
  132. 5U4GB full-wave bridge, stumped
  133. HELP NEEDED for a 6CA4/EZ81 power supply
  134. OT for 2A3 PSE w/Parafeed
  135. More Dynaco Mark VI Questions
  136. curious feedback in circuit of Pioneer SM-Q300 receiver
  137. Hytron 2E25 - Other forgotten and marvelous tube !
  138. need tube upgrade advice please sir
  139. buyer beware
  140. JJ 5y3S pin 1??
  141. My first Sansui AU-111 Rebuild
  142. Capacitor-induced distortion
  143. Elevating Heater Voltage with multiple Transformer Heater Secondaries
  144. Common Cathode as DAC output
  145. Pre-Amp with russian tubes 1j24b
  146. How to calculate, the output impedance of a tube with grounded grid
  147. How To Draw Load Line With Output Transformer ?
  148. Inter electrode capacitance.
  149. My amp is an oscillator !
  150. TESLA PL509
  151. What value for Va ?
  152. Help selecting an input transformer ?
  153. Should same valves grid voltage vary much ?
  154. Driver options for 300B-XLS (4P1L-IS-4P1L-IS)
  155. Restoring a Scott 299-B
  156. Latest project, 80 watt valve amplifier
  157. PP Amp Doubling Output Power
  158. Setting up a Wilson current mirror as a differential load
  159. interested in tube amps
  160. Baldwin 45P amp project
  161. DIYGene's Jadis JP-200 Preamp Kit
  162. Need design/schematic for 6H30P driven 6C33C SET
  163. Substitute 6AQ8 for my 6CG7's
  164. 6bq5 tubes in a Heathkit AA-151
  165. Marantz 8b restoration: colour code, prints, schematics
  166. Show me your screen drive circuits
  167. Potting Compounds
  168. Chokes in the ground "plane"
  169. OTL idea
  170. Balance control tip for newbee's
  171. Ebay win - is this any good?
  172. 6sn7 pse amp for altec lansing 604E
  173. "Cockeyed Bridge" with damper diode?
  174. Mac 2100 Hybrid
  175. Single-Stage Hybrid Cascode Power Amp
  176. New to Tube amps, heathkit question
  177. 6AS7 OTL PL build
  178. On Bootstrapping diodes for UL G2 MOSFET
  179. Chasing Aikido "hum"
  180. valve monobloc designs
  181. 7A5 is a good driver for the 300B ?
  182. Parallel Push Pull 6V6 design
  183. Soundstage
  184. Brains & Brawn CF : where's the catch ?
  185. ISO-TANGO to quit
  186. Shifting reflective loads using secondary taps?
  187. VTL -- 20 6550's a side and their xfmrs
  188. "Diamond" tube preamp with 12au7
  189. Wich factory made this tube ?
  190. Bootstrapped Cathode Coupled Amplifier
  191. OTL 6AS7
  192. Diode performance testing
  193. Monacor SA-10
  194. Volume Control Hum
  195. Stromberg-Carlson AP-50
  196. 5 wire and 3 wire output transformer change ?
  197. Yaqin mc 10L
  198. Can OTL Ciclotron amp use solid state regulated PS?
  199. Cross-channel overtalk with strange effects
  200. Why 6.3V?
  201. KT88 Williamson Design Questions
  202. Winding a center-tap secondary
  203. HV delay switch
  204. McIntosh MC-30...Balanced Input Feasible?
  205. Designing line driver / pre-amp
  206. Bucking and boosting a tube power transformer
  207. 33A-158M
  208. All DHT integrated amp
  209. 6N1P
  210. basic query - Pete Millett 807 board.
  211. "Fritz" the Boston/RI tube guy - ANYONE know what became of him??
  212. EI yugoslavia gone forever.
  213. Quicksilver 8417 Design - Stay with it or modify?
  214. Looking for some advice on odd preamp noise issue
  215. Tubes in an opamp feedback loop ?
  216. Jensen P-P Cathode Follower
  217. Cathode follower rigorous definition.
  218. Little Bear P3 ?!?! opinions ?
  219. NOS GU-81
  220. OPT endbell color!
  221. Music Angel kt88 with unbalanced output.. help me!
  222. Heater Supply Center Tap
  223. SCA-35 Pot noise
  224. Conrad Johnson MV 55
  225. Comments on 6C33C-B ARG OTL
  226. Construction tips for high voltage amps.
  227. 6L6 bias
  228. came across Mingda Tube king mono blocks
  229. a lot of noise
  230. El84 pp Amp problem
  231. Power on filament current surge question
  232. Its likely a repost but W/e
  233. Scored some 8236's....
  234. What causes valve to glow red inside ?
  235. Tubes and radioisotope decay
  236. PSUDII Question
  237. DIY Bias Buddy
  238. Recommend me a high power OPT
  239. Design Shorting Tubes?
  240. Microsoft Tube Amp and Speakers
  241. S5 K-16LS Tone Control - Help Please
  242. SEUL Circuit for PL519, has anyone here built this?
  243. Motorola three channel
  244. Your own builders book
  245. WE91A - high frequency roll off
  246. Dynaco MarkIII dimensions
  247. Leak TL12+ smoothing capacitors.
  248. Question about failing 6550 output
  249. Need help converting Ampex 960 R2R to a preamp...
  250. 5751 SPICE Model -- for Poddwatt II

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