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  1. Experience with edcor xsm2.4k-600 as preamp/dac output ?
  2. Baxandall tone topologies
  3. Volume (level) ... the bottom line
  4. Marchand XM-1 mystery parts
  5. Simaudio CP-8 Owners: Did you know that it was a Denon?
  6. Supply voltage vs performance
  7. 10 band equalizer based on LM833
  8. What kind of filter is this
  9. PS III Linear Control Center
  10. How loud?
  11. comparison idea concerning the villex passive booster jack
  12. Finally! the high gain I needed...
  13. John Curl's Blowtorch preamplifier part III
  14. SAE P101 cap replacement-help wanted
  15. Tracing Hum in Passive Line Level Filter
  16. Troubleshooting a preamp - sources of buzz/humm/hiss
  17. High Dc offset voltage on the input line
  18. Potentiometer selection for my diy project
  19. Pre-amp to power amp problem
  20. Op-amp for Single-Rail Supply
  21. what is the best route for a 2.5 system?
  22. Counterpoint SA-3 rebuild
  23. ground "loop" type issue with Android phones into class D amps
  24. Single ended to balanced conversion
  25. Leveling line signals to power amp
  26. OPA2134 Tilt Equalizer
  27. Removing a Crossover from a poweramp
  28. ls404 based active crossover try
  29. Equalizer
  30. Bose 901 Series IV ActiVe EQ schematic
  31. help with diy phono preamp
  32. PGA2310 preamplifier
  33. Opamp Line Attenuator and Buffer Question
  34. Tube Preamp with HT Bypass...
  35. 4 chanel Stereo Input Selector
  36. Bose 901 series I active equalizer DIY
  37. 110db SNR discrete buffered preamplifier with Vclip indicator
  38. 512-MPSA92 Replacement in MOX
  39. Help with "IPOD" in car audio application
  40. Transistor Preamplifier -part values for higher voltage rail.
  41. P37 pre from Elliot --lowering gain
  42. How to buffer the analog out put of a DAC chip
  43. 7.1 Switcher
  44. How to check circuit for oscillation?
  45. How to "Sum" L+R signals for a mono sub output?
  46. need btl schematic using op-amp
  47. 600:10k line stage transformers any use?
  48. JC-2 Clone Build
  49. Carver C1 preamp loud static "pop"
  50. Understanding and optimizing Ashly xover help?
  51. Current Feedback Opamps in simulation and practice.
  52. fluorescent peak meter
  53. DIY Preamp recommendations
  54. Active Crossover Design: How the drivers influence filter type/topology/slope?
  55. Sumo Athena II balanced?
  56. help me, please find a service manual for dbx386 for repair
  57. PGA2310 impedance questions
  58. Remote control kaput?
  59. Pre amplifier or not?
  60. line level strength - big boost required
  61. input selector, to use resistors at the inputs or not
  62. AH Pre line stage
  63. internal cable recommendation
  64. want to make a splitter box for use with mixer inserts
  65. Modding Ecler AC-6 talkover release
  66. ADC Sound Shaper 3 EQ
  67. Schematic wanted for parametric Equalizers from Behringer and IBANEZ
  68. What else? A PGA-preamplifier...
  69. Modding My ADC SS100-SL Equalizer
  70. Preamp Gain for NE5532
  71. Gain regulation on Counterpoint SA3000
  72. Any analog xovers as good as Ashly XR series?
  73. THAT 5171 Controlled By Arduino?
  74. Ground Loop in UREI 1176 compressor
  75. Handling inactive inputs in source selector
  76. How to split output from phono stage
  77. low pass and subsonic filter
  78. BEQ circuit
  79. Adding in RCA Outputs
  80. Wanted: 80Hz Linkwitz-Riley 24hz/octive low-pass filter
  81. Jumper wires & RFI in preamp
  82. Help with component selection for filter
  83. INKEL MX991
  84. Active Crossover Adjustment
  85. CS3318 based preamp - layout
  86. EAD Theatermaster Classic won't operate
  87. filter Q Question
  88. Buffering two signals together
  89. How to bias 2SK170BL in Boozehound Labs phono pre?
  90. Can I make a really simplistic line-level signal go mono one way, stereo in parallel?
  91. Aikido - approximate input impedance
  92. Ultimate analogue tone control or an audiophool overkill? :)
  93. A remote control preamp in the works
  94. Custom Equalizer Design needed
  95. Multichannel preamp
  96. Hafler Iris Preamp balance issue - fixed
  97. Acurus L10 Preamp Mods & Schematic
  98. Home made DSP / FPGA digital audio mixer
  99. Soundcraft LX7 Replacement parts
  100. Bonsai's practical buffer
  101. Help needed with an audio signal splitter solution
  102. Crosstalk?
  103. i want to throw something
  104. Optimizing resistor placement Vishay TX2575
  105. Input impedance of PRE vs sensitivity to disturbance
  106. PIC Controlled PGA 2320 8 Channel Preamp
  107. How to change a degree of volume pot rotation by remote control?
  108. tamura input transformer shield
  109. Need a help: Mark Levinson No26.
  110. LME49720 Pre amp PCB/Kit
  111. Faulty mixer inputs
  112. Basic home cinema wiring advice
  113. Diamond Cascode, a Diamond-like buffer/current booster
  114. Unusual high-pitched whistle caused by my Audio Pre-AMP
  115. Looking to build stereo mixer but can't find many schematics!
  116. Aureus preAmplifier
  117. strange! LM-4562 question
  118. Tube Preamp hummmmmm
  119. LCDuino-1 Processor, using non-latching relays help
  120. CS3318 PCB Layout
  121. Levels in an active three-way system
  122. Source selector using Analog switches or multiplexers - opinions?
  123. Yet another PGA23xx board...
  124. Concentric shaft Alps "Blue" pot
  125. Cleaning dusty printed circuit boards
  126. ad797 plus buf634
  127. Bypass - ceramic or film?
  128. tweeter crossover
  129. This pre-amp good?
  130. Remote Control Pot
  131. VU Meter ballistics
  132. The "AmpDuino" project
  133. Capacitors at 50v vs 25v on replacement in preamp power supply?
  134. Knocking sound coming from PCB
  135. Versatile quad-amp card
  136. 4-channel 20dB gain stage with unbal inputs and unbal+bal outputs: Any Interest?
  137. Just built a Hagerman Cornet 2 phono pre
  138. ad797 questions
  139. [Newbie]Audio bandpass filter design
  140. Wideband DCA preamp with shunt PS
  141. 3-way input selector + Attenuator + Balanced outputs?
  142. subwoofer circuit
  143. Motorised Volume Pot - Controller isolation
  144. Audio compressor to lower TV commercials-help needed
  145. AUS: Alpha 20/10 Preamp & Sigma 22 Builder Required
  146. 2ch passive stereo summing circuit?
  147. designing a 1-Hz lowpass with no DC error
  148. What is a preamp actually doing?
  149. Choosing attenuator for MF X-10D Clone
  150. some questions about DC servo mic pre's
  151. Need hekp with how to select a preamp
  152. Weird problem with a preamp with 3 band EQ module
  153. TEAC VU Meter Hookup
  154. input transformer frequency response?
  155. Help wanted checking vero layout for active 4 channel mixer
  156. Simple non-digital input selector
  157. dc on only one primary of the line trafo
  158. Volume potmeter Technics Su 8600
  159. Servo on non-inverting opamp ?
  160. Any suggestions to improve these output and input filters?
  161. simple solution for VU-Meter
  162. Combined Speaker-Amplifier Project
  163. Teac AN-60 Alignment
  164. 2.5v achieves lower distortion on LDR NSL32SR2
  165. Help Gain clone supply PCB design
  166. HOW TO MEASURE interference between e.g. 20kHz and 21kHz tones?
  167. 3-way signal splitter
  168. implimenting linkwitz's notch/dip filter for room eq
  169. Anyone seen this EQ before?
  170. ReCapping marantz av-9000 16v 13000uf
  171. Audio Processing
  172. Anyone know what these caps are for?
  173. Is coax needed to wire a microphone?
  174. How do I choose a preamplifier that would be compatible with this microphone?
  175. W06M Bridge Rectifier, equivalent substitute
  176. Preamplifier kit information
  177. Handling +4dBu/-10dBv and un/balanced
  178. Line receiver and driver pcb?
  179. 2 conductor shielded cable
  180. HIGHLEVEL INPUT IN PLATE AMP!
  181. 20hz high pass on Ashly XR2000 - removable?
  182. Transformer Based Balanced Output & Impedance
  183. Poll for the participants of "John Curl's Blowtorch preamplifier part II"
  184. John Bowers Active Control Unit preamp: Info sought
  185. Looking for pointers on first DIY preamp please.
  186. Simple analog vu-meter driver ?
  187. Please pardon the noob question. need guidance
  188. Build a high pass filter for amplifier
  189. Critique on success of this subwoofer cutoff project?
  190. Need gain AMOUNT for mobile phone/pc sources
  191. re-replacing 2sk213/j76 transistors help
  192. Preventing crossover between mixers
  193. RCA LMI- 32215 A - for recording studio.
  194. Rane pot help please...
  195. Simple low voltage tube preamp stage
  196. HELP me design a discrete current sinking positive V regulator
  197. True Biamping and Active crossovers info request
  198. Question about hypex balanced vs unbalanced
  199. Soundcraftsmen
  200. very small noob question project 88
  201. Help with cable conundrum!
  202. P7 Pre amp Trouble
  203. Party-line / Full-duplex intercom - mixing audio signals
  204. ZSP1 preamp gain
  205. Acurus L10 Powersupply
  206. Building an Analog to Digital Converter Unit...
  207. DIY pre amp board
  208. Opamp power bypass
  209. Tone Control - Volatage range for TL072/LF252-N
  210. Stereo volume attenuation
  211. Quad channel volume control
  212. Work? L, R RCA inputs -> 1 XLR out?
  213. Impedance matching pre -> power.
  214. LME49740 vs TL074, design considerations and stability
  215. Solid state R2R attenuator using analog switches or multiplying DAC
  216. MF nuvista source selector problem again
  217. What do we think about solid-state potentiometers?
  218. TubeCAD's ACF2 as a active crossover
  219. Phaseca--My new diy pre amp
  220. looking for bass treble pcb pattern
  221. Mobile recording using linein
  222. [Need] simple preamp and LPF based on 5532 for digital sources
  223. wall-based trasformer volume control as passive pre?
  224. noob stab in the dark - riaa preamp
  225. Oscillating Op-Amp
  226. Preamp for shotgun mic
  227. Mark Levinson No 38, Need Help
  228. Help! Kenwood Basic C-2 left channel out (phono only)
  229. Signal delay schematic
  230. Adding 4 channels to a 2 channel input on HT amp
  231. vumeter (stereo, mono)
  232. Acquired Some Elan Components, What are They?
  233. Pre-mix for boombox
  234. Reed Switch Audio Attenuator
  235. "Balanced" PGA2311?
  236. 2 way crossover on Chinese pcbs
  237. SE to Balanced pre question
  238. Interconnect Ground Cable Ground Loops
  239. PGA2310 - PGA2311 - CS3310: version without OPAMP for outdoor OPAmp connection wanted
  240. Any AIKIDO-philes who know why Broskie has changed the formula
  241. One More Overcomplicated Mic Preamp
  242. Problems with subwoofer phase control picking up noise
  243. IC's get hammered
  244. Left/Right channel balance control
  245. Potentiometer Selection
  246. All-In-One Preamp Circuit
  247. Line level mixing
  248. Booze Hounds Labs Phono any good?
  249. PLLXO - Am I doing this right?
  250. Need an Active 2nd Order Low Shelf Filter aka Low Shelving Filter

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