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  1. Need help with volume control
  2. Solid State Pre Amp with Tube Amp - Pointless?
  3. Touch-sense/remote active/passive preamp
  4. Summing Mixer and Headphone amp...
  5. Linkwitz-Riley low pass, strange distortion?
  6. Cauer / Elliptic Filter design program
  7. do I need vintage preamp?
  8. Optical Attenuator on the Cheap
  9. CDP output enough for line-level active crossover?
  10. Replacing Samson S 3-way Xover Op amps
  11. Any Semi Manufacturers Better Than Others?
  12. Help me to Build Tube Preamp with Phono
  13. Need audio input indicator
  14. Where do I put the subwoofer volume control potentiometer?
  15. XLR to RCA I/O with Aleph Pre, Acurs Amp, X-OVR and Nak Dragon
  16. microphone echo & delay fx circuit
  17. 3 band eq using jfet transistors
  18. compenstation cap for 2nd order allpass delay circuit
  19. Recommend a DIY pre-amp for use with Hypex UCD modules
  20. Just passing my PLXXO and trafo design by the experts :)
  21. Line stage cap recommendations
  22. AGC automatic gain controler
  23. High quality capacitors for crossovers?
  24. Organizing Components for Low Noise?
  25. fender tmb circuit
  26. 3 band eq
  27. Is This Preamp Okay?
  28. Need a preamp for my sub
  29. Cello Audio Palette
  30. Questions on xover and preamps.
  31. INA134, balanced an unbalanced, normal phase and inverted phase
  32. Help! needed a mic preamp for amplifier
  33. Passive Preamp - Grounding plan
  34. +/- 0.3V bumps on my ground
  35. Yet another preamp...
  36. Active Filter, Delay, and LT circuit board
  37. does anyone have a schematic and pcb layout for 3 band bass onboard eq?
  38. Carver C-1 Preamp Output Voltage Issue
  39. Adding bands to an equalizer circuit?
  40. transformer attenuator directly from v-out dac
  41. Looking for a better OP-Amp to replace a UTC TDA2822L
  42. Hafler DH-101 Pre-Amp
  43. Moog parametric EQ - proper pots?
  44. pga2310 output resistors
  45. HELP with Kaneda line stage PSU
  46. source/ speaker selector
  47. Stepped attenuator - getting the impedance right
  48. Volume control bent(slight) parasound PHP-850
  49. connect IR receiver
  50. High cap ceramic capacitors.... how they "sound"
  51. LED peak level indicator
  52. Balanced Matrix Mixer Question!
  53. Where shall I place the potentiometer?
  54. Preamp to go with an Arcam Delta290 power - do i need active, or will passive be ok?
  55. Is This Possible? Am I Crazy?
  56. Sony TA-E88b ?????
  57. coda pre-01 help fix?
  58. Need a 1 meg input pre stage-?!
  59. Balanced Line driver help.. noisy
  60. 6-band graphic eq project component substitutions / improvements
  61. 1176 compressor output transformer alternative
  62. Help-AC input connected directly to case!
  63. different gain levels and a PLLXO´s impedance
  64. Thorens restec V1 preamplifier
  65. Signal-Powered Compressor?
  66. simplest, purest mixer
  67. Ideas to improve this microphone preamp?
  68. Preamplifier from Lineup & Fotios for fun
  69. MM cartridge capacitance loading
  70. Volume Equilizer
  71. Wanted: Melos 110B schematics
  72. Can 555 circuit supply enough neg voltage
  73. amplifier works connected to PC .. but not when connected to car radio
  74. DIY a preamp
  75. Dynaco PAS Preamp - Complete Rebuild
  76. Subwoofer filter problem - Please help me
  77. Remote control receiver - help
  78. High end preamp kit
  79. Output tranny for 6080 tube
  80. Need to convert a Linar preamp from 220V to 120V
  81. help with interfacing microcontroller to pga volume chip
  82. Carbon pot vs digital pot
  83. Amplitude Errors in the Summed Response of Audio Crossover Filters
  84. Mixer/Amplifier
  85. Help upgrading opamps!
  86. EAD theatermaster 8800 problem
  87. Arduino controled PGA2310 Preamp
  88. Lightspeed clone, BOM
  89. Passive Line Splitter
  90. Resistor wattage for stepped attenuator
  91. Emitter bypass caps in a CE stage
  92. Wanted: Zero feedback 2-10x gain line stage...prefer symmetrical
  93. Cheap Valve Kits (such as this one)... Are they worth the effort?
  94. Need help with Adcom gcd-575
  95. Subwoofer channel mix + crossover
  96. Digital volume control from audiomodule
  97. audio mono preamplifier schematic needed
  98. 8 channel touch sense/remote volume controll
  99. Help with Hum - Hum Help - Aikido
  100. Denon 3808 Schematic
  101. 24 input/24 output mixer
  102. new idea (for me): dual first order building block PCB
  103. Op amps help! 3x3 12v matrix mixer
  104. Project: Stepped attenuator. 35 steps!
  105. Fixing a Kenwood 700c preamplifier - help please!
  106. Looking for help to put together Oracle tt and Graham arm
  107. Vintage Audire Diffet 2 preamp help
  108. This guy has a circuit tattoed on his arm
  109. DC servo and gain stage board with output zobel
  110. class A Line level buffer
  111. Blue tooth headset used for wireless
  112. Looking for: wireless remote control of volume/balanceH
  113. Very noisy pre-amp outputs.
  114. I need a line level splitter and don't want to spend $50+ on a transformer
  115. reusing a 3-way crossover
  116. Is this Design practicable?
  117. Mis-behaving crossover/preamp
  118. Low distortion & noise digitally controlled volume chip
  119. Passive (active) preamplifier with selector (motorized ALPS, IR)
  120. How to add an extra set of RCA outputs
  121. line level unbalanced to balanced converter
  122. Balanced output confusion
  123. Why do i need a preamp?
  124. Shelving 2nd order high-pass?
  125. Listening for the best attenuator load for direct out AKM and CS dac chips
  126. Sylonex and Arduino preamp
  127. ACTIVE loudness control
  128. CJ PV-15 Pre
  129. Schematic wanted/LINN KAIRN PRO
  130. Have I ruined my V&L systems EC3 -vintage- active crossover??
  131. Mic Preamp + Sunt Regulator a la E. Borbely
  132. +-70v and opamps
  133. NE5532 preamp works only in mono
  134. Velleman K8084 pre-amp kit question
  135. Quick mixer question
  136. Heybrook C3 & P3, power conversion, help/info.
  137. Problem - Line level splitter
  138. Schematic wanted
  139. JFET/MOSFET complementary-differential preamplifier
  140. Active Croosover PAss labs
  141. Class A op amp circuits with balanced i/o
  142. Offset Nulling for BUF03 Buffer
  143. Nakamichi CA-5 Stereo Pre and major hum
  144. Lcd bargraph
  145. help! Exploding diy remote control volume board!
  146. tilt eq schematic check
  147. AMB LABS A20 Discrete
  148. 10band equalizer
  149. Input selector, automatic
  150. Help making a circuit
  151. Looking for Krell KRC-3 preamp schematics
  152. Long cable query
  153. Newbie. What AM I trying to find/build?
  154. http://www.diyaudio.com/forums/analog-line-level/181105-mezmerize-build.html#post2432
  155. preamp - at the most basic level
  156. LED VU meter using existing bar graph
  157. MOX Active Crossover II Gain Adjustment
  158. Help with a JC2
  159. Hong Kong Fakes
  160. Does the cable impedance matter when making audio level measurements?
  161. rolling of bass before amp
  162. Cheap volume control chip
  163. HQ Preamp - Elector scheme or other suggestion
  164. Three Pair Cable
  165. tube preamp mod for bass bypass to ss power IN?
  166. Adcom GFP-715
  167. DIY line-level interconnects
  168. Measuring impedance of Pot/attenuator
  169. Question about shielded wire...
  170. Subwoofer filter
  171. Mono to Dual Channel convert
  172. Input selector (like Quad)
  173. Germanium transistors for a preamplifier
  174. the hat-trick volume control ;)
  175. Balanced LDR preamp
  176. Multichannel volume control
  177. The design of active crossovers- Douglas Self wants your opinions
  178. newb looking for preamp design and a few questions answered
  179. Voltage Controlled Switch
  180. osufishman stereo line level to mono
  181. Poor TV audio S/N
  182. Need help with mic preamp
  183. Ideas for a simple passive band-stop filter?
  184. Wiring a 10k fader pot?
  185. variable frequency tilt/shelf filter - bad idea?
  186. 47 Laboratory started selling kits
  187. Douglas Self's Active Crossovers book
  188. New Line Pre-Amp taking Shape
  189. Managing multiple inputs & master level...
  190. AR-XA woes...
  191. Help!! LM317T Filament Heater Problem
  192. Fully Balanced Input/Output
  193. mccormack micro phono drive
  194. Differential buffer without feedback?
  195. Does the intrinsic low-end roll-off of a mid driver change the phase error?
  196. Accuphase C-200 Stereo Control Preamp...
  197. DIY 4 Channel Stereo Mixer
  198. preamp
  199. no output on skytec pro 240 amp
  200. pro-ject phonobox se opamp substitution
  201. Trying to find a spectrum analyser...
  202. Transfer LP TO CD
  203. Bi-amp crossover design
  204. active crossover board capabilities - I want your input
  205. DIY BJT buffer design
  206. Another easy to answer question that is above me. XLR vs Ground loop
  207. Crossovers question - car audio
  208. Using a Precision Current Source to drive an LDR attenuator
  209. Crossfeed problem (Jan Meier's design)
  210. Help me understand the "pre" stage levels.
  211. Instrumentation op-amps for audio
  212. Audio Buffer 8 years after
  213. Subwoofer filter with sensing LFE switch
  214. JFET based audio source selector
  215. 5-BAND EQ: Constant Q or conventional topology?
  216. Discrete line amplifier question
  217. How to calculate capacitor values for fully parametric EQ?
  218. DIY stepped attenuator using C7D0423N rotary switch.
  219. Inverting op amp out of phase?
  220. diy dj mixer
  221. Comparison of Light Dependent Resistors
  222. Cab/Mic simulator
  223. Jolida JD9 Upgrade/Mods Clarification.
  224. Rejuvenating an old DM-602.
  225. Eliminating series resistor at line output?
  226. Low-distortion Class-A line/headphone buffer
  227. Open to suggestions!
  228. Stereo bandpass filter
  229. SSM2019 with unbalanced input
  230. Studer A-779 caps?
  231. LM4562 Spice model
  232. Adding balancing transformer to preamp, signal loss
  233. Balance pot not working the way it should
  234. Potentiometer Resistance ???
  235. A better formula for Silonex LDR's
  236. Pre-amp output level question
  237. DC blocking caps ?
  238. Anyone have a good design for a 3-band isolator or EQ?
  239. question about this schematic ?
  240. Yamaha R-5 Receiver
  241. How to mix few balanced output?
  242. Can I Add a Balance Pot?
  243. How to apply right way the pot for balanced output?
  244. Preamp booster ?
  245. polarity with a balanced pllxo filter
  246. Microphone level balanced XLR mixer outputs?
  247. Preamp problem
  248. stereo 6G15 fender reverb with balanced in and out?
  249. behringer cx2310
  250. Need circuit, 6,12,18,24db attenuator

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