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  1. Light Dependant Resistor Current Control
  2. Broskie Unbalancer - manual query?
  3. Op-amp Guilt feel.
  4. simple active crossover
  5. Attenuation Versus Gain
  6. fake signal to bypassed inserts
  7. How to Mult (aka split) a line signal into 8 identical buffered outputs... properly!
  8. Mic preamp
  9. Silicon Chip Pre-amp not switching inputs
  10. Making a very simple volume control
  11. consumer --- > commercial
  12. Need advice isolating subwoofer channel from main L/R channels.
  13. What type of diode should i use in this circuit?
  14. Plz advise on balanced pot wiring
  15. Protecting my amp during circuit tests
  16. Pre amp output shorted?
  17. 4 channel mixer circuit?
  18. Wiring a Pot
  19. How to make a phase inverter?
  20. line level volume control
  21. Equalizer
  22. RL passive high pass line level filter
  23. Denon D-75 & diy plinth
  24. Many questions on mhennessy's Hi-Fi preamp (mainly about power-fail detect circuit)
  25. LF03 discrete opamp
  26. passive line level filter question
  27. DIC Integrated amplifier - seventies
  28. Sound Quality on Unity gain opamp
  29. PGA2310 Line Preamplifier + Free Software
  30. Remotely Controlled Motorized Volume Pot.
  31. Preamp Kit - New DIY'er
  32. Pre-Amp Mods - Suggestions
  33. why not use quarter inch stereo jacks for connecting hifi
  34. BSG Technologies QOL "Signal Completion Stage"
  35. What is the best use of 12AT7?
  36. Popping noise on input selector switch
  37. 3 TRS in, 3 TRS out, 1 knob volume.
  38. Fostex Volume Control "PC1EX" - Schematic wanted
  39. Schematic Focusrite Octopre??
  40. multichannel volume control
  41. JC-80 eBay PCBs & Power Train
  42. Parametric EQ values?
  43. Recommend a first diy phono pre-amp?
  44. Phono problems one side working
  45. TL071 question
  46. Forte F44 preamp, DC Voltage leak
  47. To build a high pass RL line level filter
  48. If You Don't Have a SIT, Fake It...
  49. 3 core audio cable
  50. Another Remote Alps
  51. matching sine wave wave file / expert opinion
  52. Can a delay circuit be beneficial between bass and mids?
  53. Exponential programmable resistor
  54. Balanced interconnect with 2 x 75 ohm coax cables?
  55. Volume Control Kit/Controller to work with WMCE-remotes
  56. cs3318 and arduino
  57. Anyone knows if Khozmo guy is still around
  58. What kind of connector is this and how can it be fixed?
  59. "8 ohm 3 way x-over" mod for 4ohm woofer ?
  60. 6SN7 Tube pre
  61. 2 channel to 7.1
  62. Pass Aleph L1.2
  63. Chinese mini VU Meters
  64. Three opamp 24db/oct crossover?
  65. Parametric EQ for subwoofer?
  66. Kit or Behringer ?
  67. Redesigning a cheap obsolete 8-track pre-amp.
  68. Help with circuit for preamp with eq and balanced output powered by phantom power
  69. Inexspensive volume control chips
  70. Linkwitz ASP Custom Build
  71. Shielded cable or faraday cage or both?
  72. Upgraded opamp in preamp and now there is a hum/buzz
  73. GFP-555
  74. mic tube preamp as line stage
  75. AV / HT Preamp
  76. audio matrix
  77. mic pre application buffer op-amp question
  78. Does this preamp look any good?
  79. Replacement for LM833 in active crossover
  80. Not another project yet
  81. RJM Audio B-Board Project
  82. Cause of weak Preamp channel
  83. Schematic Boston PV700
  84. discrete op amp
  85. Resistor between line out and GND: what for?
  86. Recap Rotel RC1070
  87. Speaker selector / level equalizer?
  88. Voltage Readings Following Soldering Error
  89. Selector switch - replacement - shielded wire?
  90. Frequency Response of WW Pots?
  91. Passive pre, adding buffers
  92. AI Modulus preamp...heat damage?
  93. auto level control for input
  94. Which opamp in this preamp circuit?
  95. Audio Pre Amplifier
  96. Cotton OCC 5N Silver Interconnect Cables
  97. Mic Preamp output protection
  98. Krell KAV-250cd Output stage drawn
  99. Stereo to Mono Circuit: need help with capacitor
  100. AD797 Preamp based on stolen trademark
  101. Solderless RCA plugs for DIY interconnects
  102. options for source selector/volume control <100/$150
  103. Pre Amp with pre-out for Arjen Helder Ta2020
  104. Cables: different YES - better ???
  105. Arcam AV9 processor
  106. Looking for unbalanced to balanced transformer
  107. Frequency cut out switches. Graphic EQ.
  108. Stepped attenuator ?
  109. active tri line splitter using BJT transistor
  110. Neotech UPOCC Silver vs HGA Silver
  111. All In One Mixer/PC Project
  112. Sweep Eq
  113. Methods of Handling Various Devices and Grounding - Ground Loop Issues
  114. In-depth analysis of effect of high-quality interconnects
  115. Universal FET buffer / preamplifier
  116. Simple Pre-Amp with Variable High-Pass - This right?
  117. How to derermine the optimum bias resistor value ?
  118. output inductor?
  119. RGB LEDs amp audio level
  120. installing an analog audio output jack on a television?
  121. Help needed for Krell krs-1a preamp
  122. power conditioner project anyone ??
  123. DQ-LP1 Help
  124. upgrading active xover with LM4562
  125. 48VDC Phantom Power switch - seeking advice
  126. Rotel RTC-970 - Remote Controller RR970
  127. bi-amp'd, with passive mid/high ??
  128. Interesting Interconnect Cables
  129. Hum in RC cable
  130. Help for upgrading Pioneer receiver
  131. My attempt at a Monitor Volume Control with headphone outs
  132. Pumpkin Problems
  133. Rod Elliot - Audio Mixing Console (HELP!!)
  134. looking for a 3 way active crossover for diy powered speaker
  135. RFI woes
  136. need info on preamps for use on baf1
  137. Mixer Channel for observation
  138. Help With Existing Crossover Points
  139. stepped aattenuator - stop pops
  140. Adcom GFP-565 Input Selector
  141. Subsonic Filters & Film Caps
  142. DIY build of the Pioneer C-21 preamplifier
  143. Preamplifier with integrated circuits
  144. mixer circuits (looking for simple, but very high quality)...
  145. Subwoofer circuit: Going from speaker level to line level
  146. Adding Phantom Power to old board?
  147. Designing a versatile pre with balanced and unbalanced in/out
  148. Help Pls - Coupling Capacitor
  149. How to pick a good audio transistor?
  150. Volume control question
  151. Loudness stage
  152. Electret microphone Pre-amp
  153. Gold pin tube : does it really matters ?
  154. Mic preamp and high/low impedance technical question
  155. Studiomaster 16 x 4 Console
  156. Portable EQ? - Battery Power & SMALL
  157. DIY Tube Equalizer
  158. Using INA217 for Microphone Pre-amp
  159. Here's my DIY passive attenuator / pre / integrated DAC
  160. Basic questions on passive line-level XOs and with bi-amping
  161. Perreaux SM2 Custom
  162. Luxman A522 tonearm?
  163. passive switcher/splitter for monitor controller
  164. XO Components
  165. balanced to unbalanced convertor
  166. CD vs LP
  167. Stan Curtis site
  168. Counterpoint 5.1 Issue
  169. Ebay preamp FET
  170. Some help with high end input selector.
  171. Crossover help!!
  172. Help With Crossover 3-Way Seas 9.1 Home Theater
  173. Simple, good quality equalizer?
  174. Passive Balanced switching and Relay questions!!
  175. Preout mod
  176. remote control unit
  177. Schematic For Vendetta Xover
  178. One of best sounded Line Pre-/RIAA Head Amp from PureAudio-who have heard ?
  179. LDR att. L+R imbalance?
  180. Schematics needed for 3V 1KHz Sine wave generator
  181. is this a balanced input preamp? help m please?
  182. Copland CTA305 schematic
  183. just got a B&K CS-117, lets take a look inside...
  184. Diamond buffer kits any good for preamp?
  185. Analog Multichannel like ProLogic and ProLogic 2 (II) which professional Models
  186. JC-80 eBay PCBs
  187. Connecting many audio output devices to one input device
  188. BBE FJB-200X
  189. Help needed -Electrocompaniet EC4.7 preamp
  190. Improving rejection ratio of subtraction circuit
  191. Delay line for front channel
  192. Wireless analog connection TV -> amp?
  193. Op Amp Rail Splitter Question
  194. Substitution for NEC MuPC812C IC in Nakamichi CA-7A?
  195. Preamp Impedance Question
  196. tone control schematics please
  197. Avoid Potential Groundloop Problems in Headphone Amp
  198. DIY Input isolation filter
  199. Vishay/Dale RN60C or RN55E?
  200. Software for RIAA
  201. RTP3D instructions
  202. Adding an fx send/return to a mixer
  203. lme49710 preamp from china
  204. High gain pre amp noise problems.
  205. New black Jolida JD9 w pics.
  206. Math expression for parametric EQ project
  207. Passive Balanced Volume Control Questions
  208. XLR switcher
  209. Building a Stereo Equalizer
  210. Phase extraction!!!
  211. Is the blue velvet Alps still best price/performance pot?
  212. Preamp Capacitor Questions
  213. Yamaha Promix 01
  214. Q: Converting 5k pot to 20k pot
  215. Anthem D2v Mod
  216. (minimal) speaker level vs. line level high pass filter
  217. Passive Preamp?
  218. Need help troubleshooting PreAmp build
  219. prototype preamplifier
  220. voltage levels for line outs??
  221. Bottlehead Quickie
  222. NJM4580V MSOP in pre for recording?
  223. Attenuator / Pre-amp for Behringer A-500
  224. DIY-unidirectional electrect condenser microphone.
  225. Dahlquist DQ LP1
  226. 5-pin din input connector convert to rca
  227. LDR Based Input Selection
  228. Phantom Power MSOP op-amps
  229. PPS-Caps
  230. Bypassing a receiver's internal amp
  231. Ladder or Series Attenuator for volume?
  232. Active variable Low-Pass Filter 55-110 Hz
  233. Extremely Frustrated!!! Why won't my amp get loud!?!?!
  234. Parametric EQ problems
  235. radford pre Zd22
  236. how test electronic crossover without any instruments?
  237. High freq filtering of a (guitar) preamp?
  238. Floating Differential Signal
  239. 8-channel stereo line level switch
  240. Pre Amp/ line Problems... Help :/
  241. cd preamp for jlh69
  242. Two RCA Outputs into One! HOW TO!?
  243. A.C vs D.C coupling
  244. Passive Crossover for Loudspeakers? HELP!
  245. Passive Crossover for Loudspeakers? HELP!
  246. Inductor wiring for crossover
  247. Place amps next to rca inputs in enclosure?
  248. 3 BAND TONE CONTROL
  249. Signal Path Components
  250. Preamplifier

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