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  1. WD Project
  2. Wrong valve bases
  3. Relay switching board in the KEL84
  4. kel84 running on empty
  5. Intermittent Morse from KEL84
  6. psu3 build questions
  7. Phono II Loading and MC Coil question
  8. "Ghost" notes on LP playback?
  9. WD88VA commissioning problems
  10. Noises Off and On ie Microphony
  11. Self induced oscillation
  12. ECF80 Voltages KEL84
  13. Dummy load resistor for testing - what spec ?
  14. Hello, can someone help me?
  15. KEL84 CV5215/ECF80 sound like rustling paper
  16. Don't dust your amp when it's on
  17. oscillating amp?
  18. Phone II hummmmm
  19. KEL84 - Slight channel imbalance
  20. SMT soldering
  21. Death of my WD88VA XL
  22. PIO Capacitors?
  23. Resurrection of my WD88A XL
  24. Phono 3s Problem
  25. Clicks 'n pops
  26. KEL84 - either I'm going mad or my amps just gone all mono on me...
  27. Sick WD88
  28. Phono III Hum
  29. Input Relay - Shorted Inputs
  30. Phono3S hum
  31. KEL84 build pin location
  32. Relay board signal wire
  33. KEL84: Humming, growling, screeching and screaming
  34. Pre 3 Problems
  35. HT voltage on Pre3
  36. Wd88 Doa
  37. One Channel dead on HD3S
  38. KEL84 - loud thumping
  39. WDKEL84 Transformer Hum
  40. WDPhrelay v2.1
  41. WD88VA XL - heater fuse blowing
  42. KEL84 prob
  43. Discoloured coupling caps
  44. Is this a WD project?
  45. WD88 Distortion Problem
  46. Microphonic Ei ecc83s ?
  47. Kel84 for repair.
  48. WD phono3 problem
  49. WD Pre 3 - interference from CD (very minor)
  50. Ooops, I've just broken my Pre 3!!
  51. er, is this possible ?
  52. WDPSU3 Power Supply
  53. LED connection
  54. Phono3s MM/MC resistors?
  55. Testing resistors ( and other stuff)
  56. cone flap with WD88VA
  57. KEL84 - High DC Heater Voltages....?
  58. WDPRE3XL Balanced
  59. WADKel84 bridge
  60. Fitting valve bases to PCB
  61. Pre3 Phono3 hum
  62. HT Voltage too High Phono3 PSU3 XL
  63. Saving the PCB of WDPSU3
  64. Improving WD3 phono
  65. Contact with WD
  66. wd kel84 possible issue
  67. pre3 problems
  68. Richard: Shunt Pot Volume Control FAQ
  69. Series3: Current Advice Sought
  70. new links Page for WD Phono pre3
  71. Kit6550 Right channel crackle and volume issue
  72. Intermittent crackling noise from WD88VA
  73. WD88va no output on one channel
  74. Kel84 Volume going up and down
  75. White Flakes in EL84 Tube
  76. Capacitors
  77. HDMI cables
  78. Hot and cool valves
  79. hd83 output transformer
  80. R28 in Kel84 problem
  81. Ooooh lots of smoke! WD88
  82. WAD Kel84 Glowing EL84
  83. Pre3 voltage problems
  84. WD PRE3 problems, assistance needed.
  85. Phono 3S heater voltage problem
  86. KEL84 clicks and pops from right channel?
  87. ECF80 Heater Voltages
  88. DEAD SUT's
  89. 300b
  90. R24\25 burning in KEL84
  91. Phono3 new build hum
  92. Phono 3 voltage problem
  93. SUT clarification please
  94. KAT 6550 Humming and vibrating - help needed
  95. Trying to get my phono 3 going again; HT problems
  96. Wd88va schematic
  97. wd88va low output
  98. WAD Phono 2 noise.
  99. Toroidal Transformer TOR300
  100. ECF80 spec.
  101. WD Phono 3 - One channel only
  102. WD88VA - hiss, hum and interference
  103. Test readings for KEL84 without valves
  104. kel84 channel imbalance
  105. Variations on the Shunt Pot Mod
  106. Pre3 problem.
  107. Postscript to the Pot Saga
  108. PSU heater voltage at 1.3V?
  109. PSU Pre2 - R6 (15k)
  110. WD PRE3 tape loop issue
  111. Help Phono 2 PSU HT High
  112. Balance pot for WAD CF Pre
  113. Problem with WA 88
  114. Breakthrough with WDPre3
  115. KT88 construction problem
  116. Kit 6550
  117. Help
  118. Help - Phono 3 Heater voltage Measurements
  119. Pre3 with shunt mod
  120. WD88VA noise
  121. tricky fault diagnosis 88VA
  122. Help with Kit 34 amp
  123. World design 36 Watt Class A circa 1994
  124. Kat 6550 build (yes really!)
  125. Kit 34 at it again
  126. KT88 Intermittent problem
  127. KEL 84 Strange Noises
  128. Hummmmmm. . . . . .
  129. Unusual LED behaviour on WD88VA XL, advice needed
  130. Kel84 hisssssssssss
  131. Musical Fidelity CD player
  132. K5881 mk1 problem
  133. World Design KEL84 sounds awful !
  134. WD88 heater fuse
  135. issues with a GZ34 and open circuit anode resistors.
  136. Valve heater voltage.
  137. Heybrook HB1 Renovation
  138. WD Phono 3 - DC on Output?
  139. Help needed Kit 88
  140. Phono3S it's humming again.
  141. KAT88 & KEL84 odd issues
  142. Problems with K5881 MK2
  143. New build WDPhono 3 Questions; heater voltage/LED
  144. KEL84 Bi-coloured LED
  145. KEL84 noise in left channel
  146. WD 88VA, one KT88 red hot
  147. Loud squeal from speakers - KEL84
  148. PSU III transformer information.
  149. WD88XL switch off hiss
  150. Hum from Pre3 Cathode/Follower and WDKT88
  151. WAD PSU and No Heater voltage
  152. 5U4G substitution
  153. HD3S hum problem.
  154. Smoke is never a good sign, WA 88VA
  155. Phono 3 noise issues
  156. Large Channel Imbalence KEL84
  157. KEL84 XL Integrated final testing problem
  158. KECL82 debugging
  159. Help needed the Pre-3 CF CSS Config.
  160. Grey smoke from a KEL84 - Help!
  161. PSU III Pre and Phono
  162. lack of treble