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  1. Looking for Krell KRC-3 preamp schematics
  2. Long cable query
  3. Newbie. What AM I trying to find/build?
  4. http://www.diyaudio.com/forums/analog-line-level/181105-mezmerize-build.html#post2432
  5. preamp - at the most basic level
  6. LED VU meter using existing bar graph
  7. MOX Active Crossover II Gain Adjustment
  8. Help with a JC2
  9. Hong Kong Fakes
  10. Does the cable impedance matter when making audio level measurements?
  11. rolling of bass before amp
  12. Cheap volume control chip
  13. HQ Preamp - Elector scheme or other suggestion
  14. Three Pair Cable
  15. tube preamp mod for bass bypass to ss power IN?
  16. Adcom GFP-715
  17. DIY line-level interconnects
  18. Measuring impedance of Pot/attenuator
  19. Question about shielded wire...
  20. Subwoofer filter
  21. Mono to Dual Channel convert
  22. Input selector (like Quad)
  23. Germanium transistors for a preamplifier
  24. the hat-trick volume control ;)
  25. Balanced LDR preamp
  26. Multichannel volume control
  27. The design of active crossovers- Douglas Self wants your opinions
  28. newb looking for preamp design and a few questions answered
  29. Voltage Controlled Switch
  30. osufishman stereo line level to mono
  31. Poor TV audio S/N
  32. Need help with mic preamp
  33. Ideas for a simple passive band-stop filter?
  34. Wiring a 10k fader pot?
  35. variable frequency tilt/shelf filter - bad idea?
  36. 47 Laboratory started selling kits
  37. Douglas Self's Active Crossovers book
  38. New Line Pre-Amp taking Shape
  39. Managing multiple inputs & master level...
  40. AR-XA woes...
  41. Help!! LM317T Filament Heater Problem
  42. Fully Balanced Input/Output
  43. mccormack micro phono drive
  44. Differential buffer without feedback?
  45. Does the intrinsic low-end roll-off of a mid driver change the phase error?
  46. Accuphase C-200 Stereo Control Preamp...
  47. DIY 4 Channel Stereo Mixer
  48. preamp
  49. no output on skytec pro 240 amp
  50. pro-ject phonobox se opamp substitution
  51. Trying to find a spectrum analyser...
  52. Transfer LP TO CD
  53. Bi-amp crossover design
  54. active crossover board capabilities - I want your input
  55. DIY BJT buffer design
  56. Another easy to answer question that is above me. XLR vs Ground loop
  57. Crossovers question - car audio
  58. Using a Precision Current Source to drive an LDR attenuator
  59. Crossfeed problem (Jan Meier's design)
  60. Help me understand the "pre" stage levels.
  61. Instrumentation op-amps for audio
  62. Audio Buffer 8 years after
  63. Subwoofer filter with sensing LFE switch
  64. JFET based audio source selector
  65. 5-BAND EQ: Constant Q or conventional topology?
  66. Discrete line amplifier question
  67. How to calculate capacitor values for fully parametric EQ?
  68. DIY stepped attenuator using C7D0423N rotary switch.
  69. Inverting op amp out of phase?
  70. diy dj mixer
  71. Comparison of Light Dependent Resistors
  72. Cab/Mic simulator
  73. Jolida JD9 Upgrade/Mods Clarification.
  74. Rejuvenating an old DM-602.
  75. Eliminating series resistor at line output?
  76. Low-distortion Class-A line/headphone buffer
  77. Open to suggestions!
  78. Stereo bandpass filter
  79. SSM2019 with unbalanced input
  80. Studer A-779 caps?
  81. LM4562 Spice model
  82. Adding balancing transformer to preamp, signal loss
  83. Balance pot not working the way it should
  84. Potentiometer Resistance ???
  85. A better formula for Silonex LDR's
  86. Pre-amp output level question
  87. DC blocking caps ?
  88. Anyone have a good design for a 3-band isolator or EQ?
  89. question about this schematic ?
  90. Yamaha R-5 Receiver
  91. How to mix few balanced output?
  92. Can I Add a Balance Pot?
  93. How to apply right way the pot for balanced output?
  94. Preamp booster ?
  95. polarity with a balanced pllxo filter
  96. Microphone level balanced XLR mixer outputs?
  97. Preamp problem
  98. stereo 6G15 fender reverb with balanced in and out?
  99. behringer cx2310
  100. Need circuit, 6,12,18,24db attenuator
  101. Tube line level?
  102. Calculating gain of loudness control
  103. compressor diy
  104. Resistors valus for shunt stepped attenuator?
  105. QUAD 44 Pooge
  106. ARC LS25 mkII noise level
  107. EML 20A or 30A transformer coupled preamp
  108. X-Altra Mini One
  109. Passive mixer for two CD changers
  110. ARC LS25 mkII tube change
  111. Overvoltage protection
  112. condenser microphone question
  113. Simple preamp with baxandall
  114. Schematic/Service Manual DOD SR-835
  115. How to buffer a sallen-key circuit
  116. Connecting NVA P50 to DC I/P
  117. Multi-Channel Preamp for Stereo Output instruments
  118. Digital attenuator without PIC
  119. High Quality POT Recommendation
  120. Changing filter Arcam Black Box 3
  121. Attenuator for Rod Elliott's Bi-amped projects
  122. Low pass filters for removing ultrasonic noise?
  123. Aircraft Intercom
  124. Fet nine, 10 differences?
  125. Do all OPA2134PA's sound the same?
  126. discrete balanced to unbalanced conveter?
  127. XO3: The 1/2/3-way Active Crossover/filter PCB. Design suggestions welcome!
  128. THAT1512 (INA217) based preamp and input transformer
  129. electronic crossovers which to buy
  130. Probably a simple question, regarding volume control
  131. active crossover advice?
  132. Marantz 7C Kit
  133. Anyone tried this kit?
  134. Microphone Level Mixer
  135. Newbie audio chain question
  136. Need pre-amp with LM358
  137. 3 way sound desk split
  138. Tone Control Question
  139. Help newbie please - Basic data on interconnects
  140. Problem with ultra-graph pro GEQ 3102 - Behringer
  141. CS3310 remote volume and source select
  142. passive treble attenuation
  143. Are tube preamps always grounded now?
  144. Hello need help...
  145. Modify MTX crossover ? ?
  146. Replace / remove couple capacitors in Teufel decoderstation 3
  147. Phono Switching Unit
  148. AD797 in preamp: need help
  149. My Preamp Project: Arduino, I2C, relay selector+attenuator, tube stage
  150. NEEDED diy low cut filter
  151. subwoofer management system
  152. Help Please for simple active Xover project
  153. More about LDR attenuators
  154. Low noise transistors for electret mic
  155. balanced line level baffle step circuit
  156. 12 dB enough for subwoofer lowpass filter?
  157. bi-amping, passive, active or analog crossover?
  158. Ashly SC-40 Input Noisy
  159. pre amp balance
  160. Buffer pre-amp
  161. Preamp Build
  162. BCY89 Dual Transistor
  163. Polystyrene Caps For Filters
  164. Stereo to Mono Converter
  165. Remote control help - Philips RC5 compat with 7805?
  166. gain block pcb's
  167. Passive preamp done right
  168. BUF634P - pinout
  169. Need help merging circuits
  170. Salas hotrodded blue DCB1 build
  171. DIY One fader mixer with Filter Low Pass, Hi Pass, Notch Pass Filter PGM
  172. I bought a little mixer today - Velleman Promix 50S
  173. need hints for narrow band pass filter
  174. Newbie trying to layout a crossover (Overnight Sensations)
  175. trigger output on preamp
  176. BorbelyAudio Closing
  177. SoundCraftsmen Manual/Schematic needed!!!!
  178. Audio Research LS 1 schematic
  179. "A Continuous-Time Active Filter", AudioXpress Magazine, Aug 2010
  180. First tube mic preamp?
  181. Noise while switching selector switch
  182. Need Assisted Listening circuit for hard of hearing
  183. How to check the behaviour of my PLLXO (passive filter)
  184. How to change crossover freq in Naim Naxo
  185. cap coupled output combined with cap coupled input?
  186. Bass Tone Control
  187. Denon 4306 pre-out modding
  188. Active balanced line output
  189. Okay to leave phono stage powered all the time?
  190. OEM Boards?
  191. A precision LED/LDR-based Attenuator
  192. signal splitter buffer
  193. Chassis Ground question (provided schematic)
  194. Dual 5534 vs. single 5532 to drive balanced line output
  195. buffer/pre ideas for PSU up to 13V DC and 1A
  196. high quality bass treble circuit for any amp.
  197. Why is this switch clicking/poping HELP please
  198. 6 channel pre amp?
  199. Harmon Kardon Citation Seventeen Repair
  200. dialectics and shield of an umbilical cord?
  201. Nuts Audio preamp/volume kit
  202. Equalizer as preamp
  203. Crossover problems???
  204. Audionics BT-2
  205. 185 ohms cable for speakers
  206. kicker 03kx3 crossover
  207. Dispre2 jfet - listening impressions
  208. The "Make Before Break" connection for audio interconnects (MBB configuration)
  209. An ultra Low Shunt Capacitance way for audio interconnections (LSC configuration)
  210. Hafler Iris preamp repair
  211. Connect Microphone to Phono
  212. JFET Active Crossover
  213. Lighternote attenuator
  214. Phono pre kit, Problem with DC in one channel
  215. Di-fet sub for J-fet?
  216. purist preamp
  217. Which preamp?
  218. Pot position in circuit?
  219. Pre-amp: INA217 reference implementation
  220. Volume / Source selector - open source project ?
  221. volume remote control module with PGA 2311
  222. op amp and cap questions
  223. Need to quiet down old mixer w/LM301s
  224. Do I need capacitors?
  225. OK to Sub 100k Pot For 150K?
  226. Why is this mic eq more cuting than boosting? help
  227. dual opamp BA4558
  228. Balanced/unbal ip/attenuator /Bal out pre
  229. Balanced Shunt Attenuator 10K
  230. Basic Mixer Design: need input
  231. Anthem Pre 2L: Potentiometer
  232. IR2110 Query
  233. Preamp building idea
  234. Ultimate Active Low Pass Filter
  235. Simple stereo gain stage
  236. Jadis JP-80MC power supply
  237. Mic, Line, EQ... Preamps
  238. Looking to build a phono stage
  239. Preamplifier Dispre 2 - JFET
  240. Active Crossover Using transistors.
  241. Op amp upgrade
  242. Phono Preamp Problem.
  243. Slight Hum From IC
  244. Lightspeed with a Tube Output Stage
  245. quick n dirty volume control
  246. passive preamp idea - will this work?
  247. 7.1 surround volume control
  248. LED VU metre - how to achieve inertia.. ?
  249. Expander
  250. Integrated Amp as a Pre-Amp

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