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  1. PGA2311 volume control.
  2. Active Crossover frequency response - help needed HH X300
  3. Suggestion For CFA Op-amp
  4. preamp/mixer combo
  5. 12 channel volume control unit?
  6. Documentation on designing preamps
  7. Clean Line Output? OPA627
  8. Active crossover with AD815?
  9. Carlos AD815 pre voltage supply recommendations
  10. Help with Sowter 1990 SUT wiring
  11. Line level rc lowpass clicking
  12. Attenuator for Passive pre amp, best sounding solution
  13. Source for custom-terminated interconnects ?
  14. Onboard JFET Instrument Low-Z Preamp Help?
  15. Why white noise is always present?
  16. How to implement a pop free/low distortion muting circuit?
  17. Suggestions Requested for Mini Buffer Preamp
  18. Mini-Me second edition tube phono preamp
  19. Balanced fixed H attenuator for line level
  20. impedance symptom
  21. How to link two cores with TRS connector?
  22. Turntable earthing woes
  23. tuac weight and tops preamp
  24. Suggestions for single bipolar input op amp?
  25. Pop/click free HW-based relay attenuator
  26. THAT 1646 PCB - help me review please
  27. new line-preamp
  28. Question on Rod Elliott's P088 op-amp based preamp
  29. Pot hum/external speakers
  30. Will this circuit work?
  31. wiring sub to tube stereo
  32. TI on Filter Noise
  33. Compressor design - Sedra/Smith book
  34. ultra low dist pre Sandman distortion null
  35. Grounding question in phono preamp with battery supply
  36. LME49990 in gain buffer - help please
  37. Khozomo MKII Attenuator review
  38. Which MM Phono Amp ?
  39. Transistors in Buffer Circuit Running Too Hot
  40. Building a complete Preamp with an Arduino, remote, volume and input control
  41. MOSFET's Rds in the signal path, when?
  42. Preferences for setting up an EQ
  43. One more volume control
  44. Shedding 2 awful junctions in the signal path
  45. Line level distribution
  46. INA217 gain calculation
  47. Does this circuit have gain?
  48. An interesting JFET-based active XO circuit from TNT Audio
  49. Peak detector reference voltage level
  50. Goldmund Mimesis 27 Preamp clone
  51. AKAI S3200XL unbal to balanced outputs with VT24499
  52. MooseFET preamplifier?
  53. 6ch(12ch) Volume Control for DSP/DAC/BUFFER/POWERAMP
  54. Parametric EQ after pre-amp
  55. TL072 VS NE5532
  56. Grounding question
  57. Need best tone control
  58. How to switch 2 Sources and 2 Amps
  59. Mic Preamp limitor/Automatic level controller
  60. Douglas Self PreAmp 2012
  61. Is this layout OK? Advice please :)
  62. Microphone Preamp balanced voltage levels
  63. PASSIVE PRE-AMPLIFIER BUILDER REQ
  64. active bass boost
  65. SSM2019 single chip preamplifier?
  66. Rane AC23B active crossover
  67. XD3 crossover?
  68. Muting Circuit
  69. Noticeable difference in low freqs between two channels on a Drawmer DL221 compressor
  70. The precise audio signal level control 5.1
  71. Yamaha a-320
  72. Why not Wye?
  73. Help with high DC at output of Forte clone
  74. Humming DRV134 balanced output.
  75. Problem with parametric equalizer
  76. HLLY AMK-II First (and last) Impressions
  77. Salas hotrodded DCB1 resistor tryouts
  78. NE5532 in quad TSSOP package or similar?
  79. Another low distortion buffer
  80. DBX-122 schematic
  81. Audible Illusions L1 background noise
  82. TDA1524A IC Pre-Amp
  83. Please confirm something basic for me
  84. Parasound P/PH-100 hum
  85. Sonographe SC22 schematics
  86. What makes Reference Line Preeminence so good?
  87. push switch pinout
  88. What is 'Good' Common Mode Rejection?
  89. mf x-p100 power supply
  90. Opamp Having Oscillation
  91. Yamaha MSP7 − 22pF between Op Amp inputs? Why?
  92. How to reduce measured noise floor in my DAC/opamp circuit
  93. Switch Types
  94. Simple MOSFET preamp
  95. The Kuartlotron - keantoken's simple error-correction superbuffer
  96. how much gain do i get on this preamp(ad797)?
  97. how to implement line level bsc on a full balanced setup?
  98. 3 channel quad mixer with front to rear pan
  99. Meridian 502 balanced output circuit
  100. kmtech 2 way, active x over, is it elliptical?
  101. Attenuator kit suggestions sought
  102. How do you create a low shelf with passives?
  103. harman opamp advice
  104. Help needed with a transamp mic preamp circuit.
  105. Kleos 2 Way JFET Crossover with EQ
  106. see this preamp circuit diagram
  107. pre-amp tune up
  108. Preamplifier with aux and mic inputs
  109. Schematic wanted for portable SONY Monaural Receiver ICF-6000L
  110. Need a high quality SS mic preamp kit
  111. Marantz 2270 Preamp
  112. Source selector without mechanical switch
  113. Imaging skewed to the left
  114. THD calc from spectrum analyzer help
  115. A question regarding "loudness"
  116. Did I put these back in the correct spots?
  117. Lookin for nice simple XLR out preamp?
  118. Boz preamp and PLLXO
  119. Sound City studios/Neve etc Documentary
  120. Adding a tube preamp to a solid state combo amp
  121. BAT VK-32SE
  122. The Heavy Cross - ideas about a transconductance phase-splitting amp
  123. Tip on high amplification, low distortion, single-ended, no feedback circuitry?
  124. PC900 tube as a preamp...pictures
  125. Input transformer for summing amp
  126. Stereo to mono summing, which end to sum?
  127. Bass distortion when using digital pot
  128. need help with mute circuit for preamp
  129. JC2 v1.6 preamplifier build
  130. 3-pin balanced XLR - gender conventions
  131. help getting to 47kohm impedance
  132. Volume Control and Sound Quality
  133. Solid State Phono Stage
  134. Balanced ladder attenuator, make before brake question
  135. Standard spacing for XLR connectors
  136. Basic Pre-Amp Kit
  137. Single to differential into amp - transformer or dual opamp
  138. JFET follower Baffle Step Possible? Bass Boost?
  139. Op amps for active Xover and line drivers
  140. crossover buffer question
  141. Balanced LDR attenuator
  142. I'd like to add an Analog In and Out Section to an Elite 62FD Player
  143. Advice needed: mixed order Linkwitz Riley crossover
  144. Best-Sounding RC Attenuator & Source Selection System
  145. Ultra Low Noise - Ultra Low Impedance - Ultra big Problems!
  146. Anyone Ever Heard of a Soho Quatro Preamp?
  147. Help please: need wiring schema for S&B TX-102 TVC
  148. mp3 --> ? Input Transformer ? --> class d
  149. Aikido Octal All in One transformer help
  150. Designing a noob-preamp (single supply)
  151. RIAA Pacific rookie attempt
  152. This may be a silly question...
  153. 1st pre amp build, 1/2 way anyways
  154. Stereo to mono
  155. Tone control schematic with surround sound (?)
  156. Linkwitz Transform Arrangement to optimize subwoofer response
  157. Need help....................
  158. to switch or not?
  159. line transformer matching impedance Icepower 50ASX2
  160. Hot Rodding the Musical Fidelity X-Pre
  161. Any experience with Elliott Sound VCA Pre-Amp
  162. Humm noise on pre McIntosh MX136
  163. Stupid Q ... what determines "signal ground" on a unity gain buffer?
  164. carver C-2 pre hum?
  165. LME49720 preamp for F5
  166. Audio Research LS-1 Schematic & Parts List?
  167. Help for MUSES 72320 DIY kit
  168. Middle Controls
  169. Dual Regulated Bugle Phono Preamp?
  170. How to run line level output to ground
  171. SSM2019BNZ for 'gainy' pre-amp?
  172. DBX Active Crossover
  173. Luxman C1000 preamp starts clicking on and off rapidly after 20 min
  174. Stereo + LFE (2.1)?
  175. Cat5 Audio Line Noise
  176. STP analog audio interconnect ex-Firewire
  177. Octal ccda inclosure build (lots of pics!)
  178. Question about speaker protection kit circuit
  179. Simple Question about Speaker Protection
  180. low pass filter
  181. Checking needed: 2way active crossover
  182. Cermet or conductive plastic
  183. any one have schematic of this cross over?
  184. Forte F-44
  185. multiple devices feeding a single line input
  186. op amp selection?
  187. Sound-card info needed?
  188. Reducing effects of floor vibrations
  189. Preamp kit recommendations
  190. Signal LED causing distortion
  191. Should I be worried about gain structure?
  192. Soundcard input protection circuit
  193. Balanced line receiver (INA134) - RFI caps - compromise between CMRR/RFI filtering
  194. simple questions: integrating pre and power amp
  195. Need help with subwoofer integration with ZAPH AUDIO SR71
  196. ss chinese preamplifiers?
  197. Help with Passive Summing Theory
  198. Exploring possibilities new downward expander design
  199. mark levinson jc2 defect
  200. PreAmp Voltage/Impedance
  201. LOC Vs. Amps High Level Inputs
  202. Preamp design, include gain bypass?
  203. Thoughts on this input selector PCB? How can I add volume control?
  204. Pot imbalance
  205. Power Supply Upgrade - Request Sanity Check
  206. ADC0804 Relay Attenuator
  207. Experience with edcor xsm2.4k-600 as preamp/dac output ?
  208. Baxandall tone topologies
  209. Volume (level) ... the bottom line
  210. Marchand XM-1 mystery parts
  211. Simaudio CP-8 Owners: Did you know that it was a Denon?
  212. Supply voltage vs performance
  213. 10 band equalizer based on LM833
  214. What kind of filter is this
  215. PS III Linear Control Center
  216. How loud?
  217. comparison idea concerning the villex passive booster jack
  218. Finally! the high gain I needed...
  219. John Curl's Blowtorch preamplifier part III
  220. SAE P101 cap replacement-help wanted
  221. Tracing Hum in Passive Line Level Filter
  222. Troubleshooting a preamp - sources of buzz/humm/hiss
  223. High Dc offset voltage on the input line
  224. Potentiometer selection for my diy project
  225. Pre-amp to power amp problem
  226. Op-amp for Single-Rail Supply
  227. what is the best route for a 2.5 system?
  228. Counterpoint SA-3 rebuild
  229. ground "loop" type issue with Android phones into class D amps
  230. Single ended to balanced conversion
  231. Leveling line signals to power amp
  232. OPA2134 Tilt Equalizer
  233. Removing a Crossover from a poweramp
  234. ls404 based active crossover try
  235. Equalizer
  236. Bose 901 Series IV ActiVe EQ schematic
  237. help with diy phono preamp
  238. PGA2310 preamplifier
  239. Opamp Line Attenuator and Buffer Question
  240. Tube Preamp with HT Bypass...
  241. 4 chanel Stereo Input Selector
  242. Bose 901 series I active equalizer DIY
  243. 110db SNR discrete buffered preamplifier with Vclip indicator
  244. 512-MPSA92 Replacement in MOX
  245. Help with "IPOD" in car audio application
  246. Transistor Preamplifier -part values for higher voltage rail.
  247. P37 pre from Elliot --lowering gain
  248. How to buffer the analog out put of a DAC chip
  249. 7.1 Switcher
  250. How to check circuit for oscillation?

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