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  1. Line level distribution
  2. INA217 gain calculation
  3. Does this circuit have gain?
  4. An interesting JFET-based active XO circuit from TNT Audio
  5. Peak detector reference voltage level
  6. Goldmund Mimesis 27 Preamp clone
  7. AKAI S3200XL unbal to balanced outputs with VT24499
  8. MooseFET preamplifier?
  9. 6ch(12ch) Volume Control for DSP/DAC/BUFFER/POWERAMP
  10. Parametric EQ after pre-amp
  11. TL072 VS NE5532
  12. Grounding question
  13. Need best tone control
  14. How to switch 2 Sources and 2 Amps
  15. Mic Preamp limitor/Automatic level controller
  16. Douglas Self PreAmp 2012
  17. Is this layout OK? Advice please :)
  18. Microphone Preamp balanced voltage levels
  19. PASSIVE PRE-AMPLIFIER BUILDER REQ
  20. active bass boost
  21. SSM2019 single chip preamplifier?
  22. Rane AC23B active crossover
  23. XD3 crossover?
  24. Muting Circuit
  25. Noticeable difference in low freqs between two channels on a Drawmer DL221 compressor
  26. The precise audio signal level control 5.1
  27. Yamaha a-320
  28. Why not Wye?
  29. Help with high DC at output of Forte clone
  30. Humming DRV134 balanced output.
  31. Problem with parametric equalizer
  32. HLLY AMK-II First (and last) Impressions
  33. Salas hotrodded DCB1 resistor tryouts
  34. NE5532 in quad TSSOP package or similar?
  35. Another low distortion buffer
  36. DBX-122 schematic
  37. Audible Illusions L1 background noise
  38. TDA1524A IC Pre-Amp
  39. Please confirm something basic for me
  40. Parasound P/PH-100 hum
  41. Sonographe SC22 schematics
  42. What makes Reference Line Preeminence so good?
  43. push switch pinout
  44. What is 'Good' Common Mode Rejection?
  45. mf x-p100 power supply
  46. Opamp Having Oscillation
  47. Yamaha MSP7 − 22pF between Op Amp inputs? Why?
  48. How to reduce measured noise floor in my DAC/opamp circuit
  49. Switch Types
  50. Simple MOSFET preamp
  51. The Kuartlotron - keantoken's simple error-correction superbuffer
  52. how much gain do i get on this preamp(ad797)?
  53. how to implement line level bsc on a full balanced setup?
  54. 3 channel quad mixer with front to rear pan
  55. Meridian 502 balanced output circuit
  56. kmtech 2 way, active x over, is it elliptical?
  57. Attenuator kit suggestions sought
  58. How do you create a low shelf with passives?
  59. harman opamp advice
  60. Help needed with a transamp mic preamp circuit.
  61. Kleos 2 Way JFET Crossover with EQ
  62. see this preamp circuit diagram
  63. pre-amp tune up
  64. Preamplifier with aux and mic inputs
  65. Schematic wanted for portable SONY Monaural Receiver ICF-6000L
  66. Need a high quality SS mic preamp kit
  67. Marantz 2270 Preamp
  68. Source selector without mechanical switch
  69. Imaging skewed to the left
  70. THD calc from spectrum analyzer help
  71. A question regarding "loudness"
  72. Did I put these back in the correct spots?
  73. Lookin for nice simple XLR out preamp?
  74. Boz preamp and PLLXO
  75. Sound City studios/Neve etc Documentary
  76. Adding a tube preamp to a solid state combo amp
  77. BAT VK-32SE
  78. The Heavy Cross - ideas about a transconductance phase-splitting amp
  79. Tip on high amplification, low distortion, single-ended, no feedback circuitry?
  80. PC900 tube as a preamp...pictures
  81. Input transformer for summing amp
  82. Stereo to mono summing, which end to sum?
  83. Bass distortion when using digital pot
  84. need help with mute circuit for preamp
  85. JC2 v1.6 preamplifier build
  86. 3-pin balanced XLR - gender conventions
  87. help getting to 47kohm impedance
  88. Volume Control and Sound Quality
  89. Solid State Phono Stage
  90. Balanced ladder attenuator, make before brake question
  91. Standard spacing for XLR connectors
  92. Basic Pre-Amp Kit
  93. Single to differential into amp - transformer or dual opamp
  94. JFET follower Baffle Step Possible? Bass Boost?
  95. Op amps for active Xover and line drivers
  96. crossover buffer question
  97. Balanced LDR attenuator
  98. I'd like to add an Analog In and Out Section to an Elite 62FD Player
  99. Advice needed: mixed order Linkwitz Riley crossover
  100. Best-Sounding RC Attenuator & Source Selection System
  101. Ultra Low Noise - Ultra Low Impedance - Ultra big Problems!
  102. Anyone Ever Heard of a Soho Quatro Preamp?
  103. Help please: need wiring schema for S&B TX-102 TVC
  104. mp3 --> ? Input Transformer ? --> class d
  105. Aikido Octal All in One transformer help
  106. Designing a noob-preamp (single supply)
  107. RIAA Pacific rookie attempt
  108. This may be a silly question...
  109. 1st pre amp build, 1/2 way anyways
  110. Stereo to mono
  111. Tone control schematic with surround sound (?)
  112. Linkwitz Transform Arrangement to optimize subwoofer response
  113. Need help....................
  114. to switch or not?
  115. line transformer matching impedance Icepower 50ASX2
  116. Hot Rodding the Musical Fidelity X-Pre
  117. Any experience with Elliott Sound VCA Pre-Amp
  118. Humm noise on pre McIntosh MX136
  119. Stupid Q ... what determines "signal ground" on a unity gain buffer?
  120. carver C-2 pre hum?
  121. LME49720 preamp for F5
  122. Audio Research LS-1 Schematic & Parts List?
  123. Help for MUSES 72320 DIY kit
  124. Middle Controls
  125. Dual Regulated Bugle Phono Preamp?
  126. How to run line level output to ground
  127. SSM2019BNZ for 'gainy' pre-amp?
  128. DBX Active Crossover
  129. Luxman C1000 preamp starts clicking on and off rapidly after 20 min
  130. Stereo + LFE (2.1)?
  131. Cat5 Audio Line Noise
  132. STP analog audio interconnect ex-Firewire
  133. Octal ccda inclosure build (lots of pics!)
  134. Question about speaker protection kit circuit
  135. Simple Question about Speaker Protection
  136. low pass filter
  137. Checking needed: 2way active crossover
  138. Cermet or conductive plastic
  139. any one have schematic of this cross over?
  140. Forte F-44
  141. multiple devices feeding a single line input
  142. op amp selection?
  143. Sound-card info needed?
  144. Reducing effects of floor vibrations
  145. Preamp kit recommendations
  146. Signal LED causing distortion
  147. Should I be worried about gain structure?
  148. Soundcard input protection circuit
  149. Balanced line receiver (INA134) - RFI caps - compromise between CMRR/RFI filtering
  150. simple questions: integrating pre and power amp
  151. Need help with subwoofer integration with ZAPH AUDIO SR71
  152. ss chinese preamplifiers?
  153. Help with Passive Summing Theory
  154. Exploring possibilities new downward expander design
  155. mark levinson jc2 defect
  156. PreAmp Voltage/Impedance
  157. LOC Vs. Amps High Level Inputs
  158. Preamp design, include gain bypass?
  159. Thoughts on this input selector PCB? How can I add volume control?
  160. Pot imbalance
  161. Power Supply Upgrade - Request Sanity Check
  162. ADC0804 Relay Attenuator
  163. Experience with edcor xsm2.4k-600 as preamp/dac output ?
  164. Baxandall tone topologies
  165. Volume (level) ... the bottom line
  166. Marchand XM-1 mystery parts
  167. Simaudio CP-8 Owners: Did you know that it was a Denon?
  168. Supply voltage vs performance
  169. 10 band equalizer based on LM833
  170. What kind of filter is this
  171. PS III Linear Control Center
  172. How loud?
  173. comparison idea concerning the villex passive booster jack
  174. Finally! the high gain I needed...
  175. John Curl's Blowtorch preamplifier part III
  176. SAE P101 cap replacement-help wanted
  177. Tracing Hum in Passive Line Level Filter
  178. Troubleshooting a preamp - sources of buzz/humm/hiss
  179. High Dc offset voltage on the input line
  180. Potentiometer selection for my diy project
  181. Pre-amp to power amp problem
  182. Op-amp for Single-Rail Supply
  183. what is the best route for a 2.5 system?
  184. Counterpoint SA-3 rebuild
  185. ground "loop" type issue with Android phones into class D amps
  186. Single ended to balanced conversion
  187. Leveling line signals to power amp
  188. OPA2134 Tilt Equalizer
  189. Removing a Crossover from a poweramp
  190. ls404 based active crossover try
  191. Equalizer
  192. Bose 901 Series IV ActiVe EQ schematic
  193. help with diy phono preamp
  194. PGA2310 preamplifier
  195. Opamp Line Attenuator and Buffer Question
  196. Tube Preamp with HT Bypass...
  197. 4 chanel Stereo Input Selector
  198. Bose 901 series I active equalizer DIY
  199. 110db SNR discrete buffered preamplifier with Vclip indicator
  200. 512-MPSA92 Replacement in MOX
  201. Help with "IPOD" in car audio application
  202. Transistor Preamplifier -part values for higher voltage rail.
  203. P37 pre from Elliot --lowering gain
  204. How to buffer the analog out put of a DAC chip
  205. 7.1 Switcher
  206. How to check circuit for oscillation?
  207. How to "Sum" L+R signals for a mono sub output?
  208. need btl schematic using op-amp
  209. 600:10k line stage transformers any use?
  210. JC-2 Clone Build
  211. Carver C1 preamp loud static "pop"
  212. Understanding and optimizing Ashly xover help?
  213. Current Feedback Opamps in simulation and practice.
  214. fluorescent peak meter
  215. DIY Preamp recommendations
  216. Active Crossover Design: How the drivers influence filter type/topology/slope?
  217. Sumo Athena II balanced?
  218. help me, please find a service manual for dbx386 for repair
  219. PGA2310 impedance questions
  220. Remote control kaput?
  221. Pre amplifier or not?
  222. line level strength - big boost required
  223. input selector, to use resistors at the inputs or not
  224. AH Pre line stage
  225. internal cable recommendation
  226. want to make a splitter box for use with mixer inserts
  227. Modding Ecler AC-6 talkover release
  228. ADC Sound Shaper 3 EQ
  229. Schematic wanted for parametric Equalizers from Behringer and IBANEZ
  230. What else? A PGA-preamplifier...
  231. Modding My ADC SS100-SL Equalizer
  232. Preamp Gain for NE5532
  233. Gain regulation on Counterpoint SA3000
  234. Any analog xovers as good as Ashly XR series?
  235. THAT 5171 Controlled By Arduino?
  236. Ground Loop in UREI 1176 compressor
  237. Handling inactive inputs in source selector
  238. How to split output from phono stage
  239. low pass and subsonic filter
  240. BEQ circuit
  241. Adding in RCA Outputs
  242. Wanted: 80Hz Linkwitz-Riley 24hz/octive low-pass filter
  243. Jumper wires & RFI in preamp
  244. Help with component selection for filter
  245. INKEL MX991
  246. Active Crossover Adjustment
  247. CS3318 based preamp - layout
  248. EAD Theatermaster Classic won't operate
  249. filter Q Question
  250. Buffering two signals together

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