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  1. Most important opamp?
  2. 5.1 decode in preamp?
  3. Preamp Recommendation For Millett "Engineer's Amplifier"
  4. Tone feedback loop- can you spot the problem?
  5. DIY turnable amplifier aka RIAA - newbie questions!
  6. Great Deal on RCA Interconnects (Canada)
  7. preamp for hlly tamp-90
  8. AD815ARB-24 availability in any online stores? couldnt find
  9. Super Chip Preamp v1.2 (LT1363)
  10. Opinion on differential low pass filter
  11. Active Low Pass
  12. Differential preamplifier
  13. trouble with varimu compressor design
  14. PGA2311 volume control.
  15. Active Crossover frequency response - help needed HH X300
  16. Suggestion For CFA Op-amp
  17. preamp/mixer combo
  18. 12 channel volume control unit?
  19. Documentation on designing preamps
  20. Clean Line Output? OPA627
  21. Active crossover with AD815?
  22. Carlos AD815 pre voltage supply recommendations
  23. Help with Sowter 1990 SUT wiring
  24. Line level rc lowpass clicking
  25. Attenuator for Passive pre amp, best sounding solution
  26. Source for custom-terminated interconnects ?
  27. Onboard JFET Instrument Low-Z Preamp Help?
  28. Why white noise is always present?
  29. How to implement a pop free/low distortion muting circuit?
  30. Suggestions Requested for Mini Buffer Preamp
  31. Mini-Me second edition tube phono preamp
  32. Balanced fixed H attenuator for line level
  33. impedance symptom
  34. How to link two cores with TRS connector?
  35. Turntable earthing woes
  36. tuac weight and tops preamp
  37. Suggestions for single bipolar input op amp?
  38. Pop/click free HW-based relay attenuator
  39. THAT 1646 PCB - help me review please
  40. new line-preamp
  41. Question on Rod Elliott's P088 op-amp based preamp
  42. Pot hum/external speakers
  43. Will this circuit work?
  44. wiring sub to tube stereo
  45. TI on Filter Noise
  46. Compressor design - Sedra/Smith book
  47. ultra low dist pre Sandman distortion null
  48. Grounding question in phono preamp with battery supply
  49. LME49990 in gain buffer - help please
  50. Khozomo MKII Attenuator review
  51. Which MM Phono Amp ?
  52. Transistors in Buffer Circuit Running Too Hot
  53. Building a complete Preamp with an Arduino, remote, volume and input control
  54. MOSFET's Rds in the signal path, when?
  55. Preferences for setting up an EQ
  56. One more volume control
  57. Shedding 2 awful junctions in the signal path
  58. Line level distribution
  59. INA217 gain calculation
  60. Does this circuit have gain?
  61. An interesting JFET-based active XO circuit from TNT Audio
  62. Peak detector reference voltage level
  63. Goldmund Mimesis 27 Preamp clone
  64. AKAI S3200XL unbal to balanced outputs with VT24499
  65. MooseFET preamplifier?
  66. 6ch(12ch) Volume Control for DSP/DAC/BUFFER/POWERAMP
  67. Parametric EQ after pre-amp
  68. TL072 VS NE5532
  69. Grounding question
  70. Need best tone control
  71. How to switch 2 Sources and 2 Amps
  72. Mic Preamp limitor/Automatic level controller
  73. Douglas Self PreAmp 2012
  74. Is this layout OK? Advice please :)
  75. Microphone Preamp balanced voltage levels
  76. PASSIVE PRE-AMPLIFIER BUILDER REQ
  77. active bass boost
  78. SSM2019 single chip preamplifier?
  79. Rane AC23B active crossover
  80. XD3 crossover?
  81. Muting Circuit
  82. Noticeable difference in low freqs between two channels on a Drawmer DL221 compressor
  83. The precise audio signal level control 5.1
  84. Yamaha a-320
  85. Why not Wye?
  86. Help with high DC at output of Forte clone
  87. Humming DRV134 balanced output.
  88. Problem with parametric equalizer
  89. HLLY AMK-II First (and last) Impressions
  90. Salas hotrodded DCB1 resistor tryouts
  91. NE5532 in quad TSSOP package or similar?
  92. Another low distortion buffer
  93. DBX-122 schematic
  94. Audible Illusions L1 background noise
  95. TDA1524A IC Pre-Amp
  96. Please confirm something basic for me
  97. Parasound P/PH-100 hum
  98. Sonographe SC22 schematics
  99. What makes Reference Line Preeminence so good?
  100. push switch pinout
  101. What is 'Good' Common Mode Rejection?
  102. mf x-p100 power supply
  103. Opamp Having Oscillation
  104. Yamaha MSP7 − 22pF between Op Amp inputs? Why?
  105. How to reduce measured noise floor in my DAC/opamp circuit
  106. Switch Types
  107. Simple MOSFET preamp
  108. The Kuartlotron - keantoken's simple error-correction superbuffer
  109. how much gain do i get on this preamp(ad797)?
  110. how to implement line level bsc on a full balanced setup?
  111. 3 channel quad mixer with front to rear pan
  112. Meridian 502 balanced output circuit
  113. kmtech 2 way, active x over, is it elliptical?
  114. Attenuator kit suggestions sought
  115. How do you create a low shelf with passives?
  116. harman opamp advice
  117. Help needed with a transamp mic preamp circuit.
  118. Kleos 2 Way JFET Crossover with EQ
  119. see this preamp circuit diagram
  120. pre-amp tune up
  121. Preamplifier with aux and mic inputs
  122. Schematic wanted for portable SONY Monaural Receiver ICF-6000L
  123. Need a high quality SS mic preamp kit
  124. Marantz 2270 Preamp
  125. Source selector without mechanical switch
  126. Imaging skewed to the left
  127. THD calc from spectrum analyzer help
  128. A question regarding "loudness"
  129. Did I put these back in the correct spots?
  130. Lookin for nice simple XLR out preamp?
  131. Boz preamp and PLLXO
  132. Sound City studios/Neve etc Documentary
  133. Adding a tube preamp to a solid state combo amp
  134. BAT VK-32SE
  135. The Heavy Cross - ideas about a transconductance phase-splitting amp
  136. Tip on high amplification, low distortion, single-ended, no feedback circuitry?
  137. PC900 tube as a preamp...pictures
  138. Input transformer for summing amp
  139. Stereo to mono summing, which end to sum?
  140. Bass distortion when using digital pot
  141. need help with mute circuit for preamp
  142. JC2 v1.6 preamplifier build
  143. 3-pin balanced XLR - gender conventions
  144. help getting to 47kohm impedance
  145. Volume Control and Sound Quality
  146. Solid State Phono Stage
  147. Balanced ladder attenuator, make before brake question
  148. Standard spacing for XLR connectors
  149. Basic Pre-Amp Kit
  150. Single to differential into amp - transformer or dual opamp
  151. JFET follower Baffle Step Possible? Bass Boost?
  152. Op amps for active Xover and line drivers
  153. crossover buffer question
  154. Balanced LDR attenuator
  155. I'd like to add an Analog In and Out Section to an Elite 62FD Player
  156. Advice needed: mixed order Linkwitz Riley crossover
  157. Best-Sounding RC Attenuator & Source Selection System
  158. Ultra Low Noise - Ultra Low Impedance - Ultra big Problems!
  159. Anyone Ever Heard of a Soho Quatro Preamp?
  160. Help please: need wiring schema for S&B TX-102 TVC
  161. mp3 --> ? Input Transformer ? --> class d
  162. Aikido Octal All in One transformer help
  163. Designing a noob-preamp (single supply)
  164. RIAA Pacific rookie attempt
  165. This may be a silly question...
  166. 1st pre amp build, 1/2 way anyways
  167. Stereo to mono
  168. Tone control schematic with surround sound (?)
  169. Linkwitz Transform Arrangement to optimize subwoofer response
  170. Need help....................
  171. to switch or not?
  172. line transformer matching impedance Icepower 50ASX2
  173. Hot Rodding the Musical Fidelity X-Pre
  174. Any experience with Elliott Sound VCA Pre-Amp
  175. Humm noise on pre McIntosh MX136
  176. Stupid Q ... what determines "signal ground" on a unity gain buffer?
  177. carver C-2 pre hum?
  178. LME49720 preamp for F5
  179. Audio Research LS-1 Schematic & Parts List?
  180. Help for MUSES 72320 DIY kit
  181. Middle Controls
  182. Dual Regulated Bugle Phono Preamp?
  183. How to run line level output to ground
  184. SSM2019BNZ for 'gainy' pre-amp?
  185. DBX Active Crossover
  186. Luxman C1000 preamp starts clicking on and off rapidly after 20 min
  187. Stereo + LFE (2.1)?
  188. Cat5 Audio Line Noise
  189. STP analog audio interconnect ex-Firewire
  190. Octal ccda inclosure build (lots of pics!)
  191. Question about speaker protection kit circuit
  192. Simple Question about Speaker Protection
  193. low pass filter
  194. Checking needed: 2way active crossover
  195. Cermet or conductive plastic
  196. any one have schematic of this cross over?
  197. Forte F-44
  198. multiple devices feeding a single line input
  199. op amp selection?
  200. Sound-card info needed?
  201. Reducing effects of floor vibrations
  202. Preamp kit recommendations
  203. Signal LED causing distortion
  204. Should I be worried about gain structure?
  205. Soundcard input protection circuit
  206. Balanced line receiver (INA134) - RFI caps - compromise between CMRR/RFI filtering
  207. simple questions: integrating pre and power amp
  208. Need help with subwoofer integration with ZAPH AUDIO SR71
  209. ss chinese preamplifiers?
  210. Help with Passive Summing Theory
  211. Exploring possibilities new downward expander design
  212. mark levinson jc2 defect
  213. PreAmp Voltage/Impedance
  214. LOC Vs. Amps High Level Inputs
  215. Preamp design, include gain bypass?
  216. Thoughts on this input selector PCB? How can I add volume control?
  217. Pot imbalance
  218. Power Supply Upgrade - Request Sanity Check
  219. ADC0804 Relay Attenuator
  220. Experience with edcor xsm2.4k-600 as preamp/dac output ?
  221. Baxandall tone topologies
  222. Volume (level) ... the bottom line
  223. Marchand XM-1 mystery parts
  224. Simaudio CP-8 Owners: Did you know that it was a Denon?
  225. Supply voltage vs performance
  226. 10 band equalizer based on LM833
  227. What kind of filter is this
  228. PS III Linear Control Center
  229. How loud?
  230. comparison idea concerning the villex passive booster jack
  231. Finally! the high gain I needed...
  232. John Curl's Blowtorch preamplifier part III
  233. SAE P101 cap replacement-help wanted
  234. Tracing Hum in Passive Line Level Filter
  235. Troubleshooting a preamp - sources of buzz/humm/hiss
  236. High Dc offset voltage on the input line
  237. Potentiometer selection for my diy project
  238. Pre-amp to power amp problem
  239. Op-amp for Single-Rail Supply
  240. what is the best route for a 2.5 system?
  241. Counterpoint SA-3 rebuild
  242. ground "loop" type issue with Android phones into class D amps
  243. Single ended to balanced conversion
  244. Leveling line signals to power amp
  245. OPA2134 Tilt Equalizer
  246. Removing a Crossover from a poweramp
  247. ls404 based active crossover try
  248. Equalizer
  249. Bose 901 Series IV ActiVe EQ schematic
  250. help with diy phono preamp

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