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  1. Best wire for passive pre?
  2. Which Op Amp Supply Bypass Technique for Low Noise?
  3. Add MONO/DIM to DAC/Preamp
  4. Crackling from input cable (even when there is no input)
  5. Best sounding signal level relay?
  6. Mic preamp around transformer
  7. Questions on op amp settling time and quiescent current.
  8. question on crossover board layout
  9. Bugle 2 problem
  10. Rca Passive Summing Box
  11. RC Chain in a 3 Band Baxandall EQ Circuit?
  12. Parallel transformer output
  13. Modding Marantz PM-15S1
  14. Sony TA4300F Crossover
  15. Upgrading a commercial phono stage
  16. New Bonsai Preamp
  17. Help with line input switch
  18. Remember the thermal noise....
  19. Help with passive attenuator for headphone amp
  20. Do amp inputs interact with each other?
  21. 6n11 preamp hum
  22. need help with boombox pre-amp/tone control design
  23. Muses01 op amp mod for Rotel RSP-1098(+\-18v)?
  24. low pass filter for DAC output
  25. Driving headphone from speaker output - filtering layout
  26. Highpass mic filter
  27. suitable power supply for dozen opamps?
  28. Little sub preamp/phase circuit
  29. RCA Mixer/Combiner
  30. Offset Problem with Borbely JFET-Buffers
  31. op amp class a bias
  32. Effects of Opamp Loading?
  33. Alps RK27 Motorized Pot - Teardown
  34. TDA7439 tone control IC any good?
  35. 100HZ PLLXO
  36. Bourns PTD90 Series Potentiometer
  37. lowest load for line level equipment to not harm the output stage?
  38. Most important opamp?
  39. 5.1 decode in preamp?
  40. Preamp Recommendation For Millett "Engineer's Amplifier"
  41. Tone feedback loop- can you spot the problem?
  42. DIY turnable amplifier aka RIAA - newbie questions!
  43. Great Deal on RCA Interconnects (Canada)
  44. preamp for hlly tamp-90
  45. AD815ARB-24 availability in any online stores? couldnt find
  46. Super Chip Preamp v1.2 (LT1363)
  47. Opinion on differential low pass filter
  48. Active Low Pass
  49. Differential preamplifier
  50. trouble with varimu compressor design
  51. PGA2311 volume control.
  52. Active Crossover frequency response - help needed HH X300
  53. Suggestion For CFA Op-amp
  54. preamp/mixer combo
  55. 12 channel volume control unit?
  56. Documentation on designing preamps
  57. Clean Line Output? OPA627
  58. Active crossover with AD815?
  59. Carlos AD815 pre voltage supply recommendations
  60. Help with Sowter 1990 SUT wiring
  61. Line level rc lowpass clicking
  62. Attenuator for Passive pre amp, best sounding solution
  63. Source for custom-terminated interconnects ?
  64. Onboard JFET Instrument Low-Z Preamp Help?
  65. Why white noise is always present?
  66. How to implement a pop free/low distortion muting circuit?
  67. Suggestions Requested for Mini Buffer Preamp
  68. Mini-Me second edition tube phono preamp
  69. Balanced fixed H attenuator for line level
  70. impedance symptom
  71. How to link two cores with TRS connector?
  72. Turntable earthing woes
  73. tuac weight and tops preamp
  74. Suggestions for single bipolar input op amp?
  75. Pop/click free HW-based relay attenuator
  76. THAT 1646 PCB - help me review please
  77. new line-preamp
  78. Question on Rod Elliott's P088 op-amp based preamp
  79. Pot hum/external speakers
  80. Will this circuit work?
  81. wiring sub to tube stereo
  82. TI on Filter Noise
  83. Compressor design - Sedra/Smith book
  84. ultra low dist pre Sandman distortion null
  85. Grounding question in phono preamp with battery supply
  86. LME49990 in gain buffer - help please
  87. Khozomo MKII Attenuator review
  88. Which MM Phono Amp ?
  89. Transistors in Buffer Circuit Running Too Hot
  90. Building a complete Preamp with an Arduino, remote, volume and input control
  91. MOSFET's Rds in the signal path, when?
  92. Preferences for setting up an EQ
  93. One more volume control
  94. Shedding 2 awful junctions in the signal path
  95. Line level distribution
  96. INA217 gain calculation
  97. Does this circuit have gain?
  98. An interesting JFET-based active XO circuit from TNT Audio
  99. Peak detector reference voltage level
  100. Goldmund Mimesis 27 Preamp clone
  101. AKAI S3200XL unbal to balanced outputs with VT24499
  102. MooseFET preamplifier?
  103. 6ch(12ch) Volume Control for DSP/DAC/BUFFER/POWERAMP
  104. Parametric EQ after pre-amp
  105. TL072 VS NE5532
  106. Grounding question
  107. Need best tone control
  108. How to switch 2 Sources and 2 Amps
  109. Mic Preamp limitor/Automatic level controller
  110. Douglas Self PreAmp 2012
  111. Is this layout OK? Advice please :)
  112. Microphone Preamp balanced voltage levels
  113. PASSIVE PRE-AMPLIFIER BUILDER REQ
  114. active bass boost
  115. SSM2019 single chip preamplifier?
  116. Rane AC23B active crossover
  117. XD3 crossover?
  118. Muting Circuit
  119. Noticeable difference in low freqs between two channels on a Drawmer DL221 compressor
  120. The precise audio signal level control 5.1
  121. Yamaha a-320
  122. Why not Wye?
  123. Help with high DC at output of Forte clone
  124. Humming DRV134 balanced output.
  125. Problem with parametric equalizer
  126. HLLY AMK-II First (and last) Impressions
  127. Salas hotrodded DCB1 resistor tryouts
  128. NE5532 in quad TSSOP package or similar?
  129. Another low distortion buffer
  130. DBX-122 schematic
  131. Audible Illusions L1 background noise
  132. TDA1524A IC Pre-Amp
  133. Please confirm something basic for me
  134. Parasound P/PH-100 hum
  135. Sonographe SC22 schematics
  136. What makes Reference Line Preeminence so good?
  137. push switch pinout
  138. What is 'Good' Common Mode Rejection?
  139. mf x-p100 power supply
  140. Opamp Having Oscillation
  141. Yamaha MSP7 − 22pF between Op Amp inputs? Why?
  142. How to reduce measured noise floor in my DAC/opamp circuit
  143. Switch Types
  144. Simple MOSFET preamp
  145. The Kuartlotron - keantoken's simple error-correction superbuffer
  146. how much gain do i get on this preamp(ad797)?
  147. how to implement line level bsc on a full balanced setup?
  148. 3 channel quad mixer with front to rear pan
  149. Meridian 502 balanced output circuit
  150. kmtech 2 way, active x over, is it elliptical?
  151. Attenuator kit suggestions sought
  152. How do you create a low shelf with passives?
  153. harman opamp advice
  154. Help needed with a transamp mic preamp circuit.
  155. Kleos 2 Way JFET Crossover with EQ
  156. see this preamp circuit diagram
  157. pre-amp tune up
  158. Preamplifier with aux and mic inputs
  159. Schematic wanted for portable SONY Monaural Receiver ICF-6000L
  160. Need a high quality SS mic preamp kit
  161. Marantz 2270 Preamp
  162. Source selector without mechanical switch
  163. Imaging skewed to the left
  164. THD calc from spectrum analyzer help
  165. A question regarding "loudness"
  166. Did I put these back in the correct spots?
  167. Lookin for nice simple XLR out preamp?
  168. Boz preamp and PLLXO
  169. Sound City studios/Neve etc Documentary
  170. Adding a tube preamp to a solid state combo amp
  171. BAT VK-32SE
  172. The Heavy Cross - ideas about a transconductance phase-splitting amp
  173. Tip on high amplification, low distortion, single-ended, no feedback circuitry?
  174. PC900 tube as a preamp...pictures
  175. Input transformer for summing amp
  176. Stereo to mono summing, which end to sum?
  177. Bass distortion when using digital pot
  178. need help with mute circuit for preamp
  179. JC2 v1.6 preamplifier build
  180. 3-pin balanced XLR - gender conventions
  181. help getting to 47kohm impedance
  182. Volume Control and Sound Quality
  183. Solid State Phono Stage
  184. Balanced ladder attenuator, make before brake question
  185. Standard spacing for XLR connectors
  186. Basic Pre-Amp Kit
  187. Single to differential into amp - transformer or dual opamp
  188. JFET follower Baffle Step Possible? Bass Boost?
  189. Op amps for active Xover and line drivers
  190. crossover buffer question
  191. Balanced LDR attenuator
  192. I'd like to add an Analog In and Out Section to an Elite 62FD Player
  193. Advice needed: mixed order Linkwitz Riley crossover
  194. Best-Sounding RC Attenuator & Source Selection System
  195. Ultra Low Noise - Ultra Low Impedance - Ultra big Problems!
  196. Anyone Ever Heard of a Soho Quatro Preamp?
  197. Help please: need wiring schema for S&B TX-102 TVC
  198. mp3 --> ? Input Transformer ? --> class d
  199. Aikido Octal All in One transformer help
  200. Designing a noob-preamp (single supply)
  201. RIAA Pacific rookie attempt
  202. This may be a silly question...
  203. 1st pre amp build, 1/2 way anyways
  204. Stereo to mono
  205. Tone control schematic with surround sound (?)
  206. Linkwitz Transform Arrangement to optimize subwoofer response
  207. Need help....................
  208. to switch or not?
  209. line transformer matching impedance Icepower 50ASX2
  210. Hot Rodding the Musical Fidelity X-Pre
  211. Any experience with Elliott Sound VCA Pre-Amp
  212. Humm noise on pre McIntosh MX136
  213. Stupid Q ... what determines "signal ground" on a unity gain buffer?
  214. carver C-2 pre hum?
  215. LME49720 preamp for F5
  216. Audio Research LS-1 Schematic & Parts List?
  217. Help for MUSES 72320 DIY kit
  218. Middle Controls
  219. Dual Regulated Bugle Phono Preamp?
  220. How to run line level output to ground
  221. SSM2019BNZ for 'gainy' pre-amp?
  222. DBX Active Crossover
  223. Luxman C1000 preamp starts clicking on and off rapidly after 20 min
  224. Stereo + LFE (2.1)?
  225. Cat5 Audio Line Noise
  226. STP analog audio interconnect ex-Firewire
  227. Octal ccda inclosure build (lots of pics!)
  228. Question about speaker protection kit circuit
  229. Simple Question about Speaker Protection
  230. low pass filter
  231. Checking needed: 2way active crossover
  232. Cermet or conductive plastic
  233. any one have schematic of this cross over?
  234. Forte F-44
  235. multiple devices feeding a single line input
  236. op amp selection?
  237. Sound-card info needed?
  238. Reducing effects of floor vibrations
  239. Preamp kit recommendations
  240. Signal LED causing distortion
  241. Should I be worried about gain structure?
  242. Soundcard input protection circuit
  243. Balanced line receiver (INA134) - RFI caps - compromise between CMRR/RFI filtering
  244. simple questions: integrating pre and power amp
  245. Need help with subwoofer integration with ZAPH AUDIO SR71
  246. ss chinese preamplifiers?
  247. Help with Passive Summing Theory
  248. Exploring possibilities new downward expander design
  249. mark levinson jc2 defect
  250. PreAmp Voltage/Impedance

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