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  1. TubeCAD's ACF2 as a active crossover
  2. Phaseca--My new diy pre amp
  3. looking for bass treble pcb pattern
  4. Mobile recording using linein
  5. [Need] simple preamp and LPF based on 5532 for digital sources
  6. wall-based trasformer volume control as passive pre?
  7. noob stab in the dark - riaa preamp
  8. Oscillating Op-Amp
  9. Preamp for shotgun mic
  10. Mark Levinson No 38, Need Help
  11. Help! Kenwood Basic C-2 left channel out (phono only)
  12. Signal delay schematic
  13. Adding 4 channels to a 2 channel input on HT amp
  14. vumeter (stereo, mono)
  15. Acquired Some Elan Components, What are They?
  16. Pre-mix for boombox
  17. Reed Switch Audio Attenuator
  18. "Balanced" PGA2311?
  19. 2 way crossover on Chinese pcbs
  20. SE to Balanced pre question
  21. Interconnect Ground Cable Ground Loops
  22. PGA2310 - PGA2311 - CS3310: version without OPAMP for outdoor OPAmp connection wanted
  23. Any AIKIDO-philes who know why Broskie has changed the formula
  24. One More Overcomplicated Mic Preamp
  25. Problems with subwoofer phase control picking up noise
  26. IC's get hammered
  27. Left/Right channel balance control
  28. Potentiometer Selection
  29. All-In-One Preamp Circuit
  30. Line level mixing
  31. Booze Hounds Labs Phono any good?
  32. PLLXO - Am I doing this right?
  33. Need an Active 2nd Order Low Shelf Filter aka Low Shelving Filter
  34. Switching Noise Between Preamps
  35. Bluetooth Lightspeed attenuator
  36. Help getting 5.1 preamp from Ebay repaired please!
  37. Should using balanced cables to amplified monitors improve sound ?
  38. Apox Audio preamp reborn with the power of Arduino
  39. Does an Op Amp Voltage Follower Operate in Class A?
  40. My boozehound phono stage build
  41. Pre amp kit
  42. balanced preamplifier based on LME49990
  43. Merging two channels with passive low passes
  44. Old Colony Sound Lab T-2D Line Amp - Any Info?
  45. Impedance Bridging and Isolation Tranformer
  46. TDA7315 chip parameters interpretation
  47. MFP-102 N fet compatibility
  48. What is the effect of a 22K res in series with a 25K volume pot?
  49. Senior Project: Bandpass Equalizer pedal
  50. [WANTED] Mark Levinson No 26S Service Manual/Schematic
  51. ORTF is best for stereo recording
  52. A zero impedance preamp and CMRR
  53. good preamp
  54. calculate crossover with Re or impedance ?
  55. Op-Amp Preamp Circuit for Electret Mic
  56. Simple Router (then bass management)
  57. Second order shelving filter
  58. Help with component selection.
  59. passive to tame 8khz peak
  60. Hafler SE100 Preamplifier / Symmetric B1 buffer hybrid
  61. Adcom GFP-750 -Needs Repair
  62. Variable gain op-amp for volume control (vs normal voltage divider pot)
  63. Germanium Transistor and FET opamp
  64. 5 zone preamp based on Arduino controlled optocoupler
  65. How to select the right impedance for volume control
  66. In vehicle Pre-amp for mic (12+ VDC)
  67. Resistor-Diode-Relay Logic Source Selector
  68. 3 into 1 input the other way round
  69. Nagging Ground Issue
  70. Looking for Princeton Applied Research 115 MANUAL
  71. Active Band Pass Filter with +/- Gain
  72. Components source
  73. Guitar ABY or Headphone Amplifier?
  74. rod elliot p88 preamp knob arrangment
  75. C-Mos opamps in audio preamplifiers
  76. Cheap, balanced XLR passive pre?
  77. DIY crossover - Sallen-Key?
  78. Hafler 915 preamp cap question
  79. analog 3.5mm to digital usb possible?
  80. Mixer Pre-amp
  81. DIY tube preamp - help with choosing the right kit
  82. opamp channels mysteriously mixing ¿quantum thing or me too dumb?
  83. MC-22 schematic question
  84. unbalanced/balanced to balanced converter
  85. My line buffer preamp
  86. Attenuating Preamp Filter Question
  87. biamping with one DAC
  88. Audiophile active crossover
  89. adding EQ without screwing up sound; few questions...
  90. SSTART Pcb and power supply project
  91. Help with a simple envelop detector filter. (averaging the signal)
  92. audio output switch? Monitor Controller
  93. Very simple volume control with IR remote
  94. JFETs and MOSFETs biasing questions
  95. I need advise on audio mixing boards?
  96. pre amp output
  97. OPA134 Amp Help
  98. OPA134
  99. Capacitors voltage rating
  100. Capacitors voltage rating
  101. attenuation on dac output with U-pad
  102. passive preamp
  103. preamp necessary?
  104. Will phono pre > passive pre > amp work well enough?
  105. 60Hz hum problem, please help
  106. distortion cancellation for diode limiter
  107. electret mic preamp for micro ADC
  108. Understanding "Voltage - Input Offset" Parameter
  109. Schade MOSFET + Feedback Line Amp
  110. Preamp or receiver?
  111. Sony BX-270 Datasheet Wanted
  112. Classe Audio DR6 Bias
  113. Dual gang potentiometer for 'mixer'
  114. Aikido Preamp Bass & Treble Controls
  115. Tried active crossover, mean hum...
  116. How to use TDA7439 for center and subwoofer
  117. Active notch filter
  118. simple pre amp volume control with seperate mono out
  119. Help me wire up my SUT correctly (Tamura TKS-27)
  120. How can I split a mixer bus?
  121. Beau's Bias Circuit Schematic
  122. What should be included in a subwoofer lowpass filter?
  123. Potentiometer volume control treble loss bleed
  124. Adcom GFP 815 Pre Amp-Any users?
  125. speaker out to preamp out while driving speaker
  126. 6dB Active crossover
  127. Replacing volume pot from 100K to 50K reduces gain?
  128. Dual Ganged Stereo Volume Control
  129. McIntosh/Conrad Johnson pairing
  130. Input Impedance Question
  131. Active studio monitors/ crossovers
  132. new discrete opamp for line preamplifier
  133. Music Angel Pre Amp
  134. Tilt Equalizer Filter
  135. Parametric EQ based bass boost circuit
  136. Power On Delay/Loss of AC Detector Relay
  137. Balanced Line Driver with DRV134
  138. PGA3211 6.1 assembling
  139. PGA2311 code
  140. SMD High-Voltage Discrete Diamond Buffer
  141. How best to implement image mode controls
  142. Preamp has unwanted delay (and hum)
  143. Pot values in LM1036 preamp circuit
  144. simple three steps attenuator
  145. Behringer Eurorack UB1622fx PRO schematic
  146. Need help with Coustic XM-5e Crossover
  147. Small Fader + Volume control for Car
  148. PGA2311 Evaluation
  149. Are these pots what I need for my preamp?
  150. IR Remote Control
  151. That Corporation 1200 , 1203 , 1206 circuits
  152. portable set field mixer/ mic pre
  153. Compact simple EQ
  154. Digitally controlled pot distortion?
  155. Help me Choose Between A and B
  156. Quad Eight Electronics EQ712
  157. Adding a line level output to PGA2311 preamp
  158. Using Joachim Gerhard Filter Buffers as balanced crossover
  159. Impedance measuring jig and iSEMcon kit
  160. LM1036N Potentiometer Type
  161. 4558d
  162. 10M45 as simple preamp...
  163. Kenwood c-2 balance pot
  164. Attenuator Impedance for Adcom GFA-535?
  165. McIntosh C712 Preamplifier - Schematic wanted
  166. Speaker Combination in Custom Installation, please help
  167. 5 band equalizer, need help!!
  168. Parasound P/HP-850 Preamp Problem
  169. Crossover between pre and power amp for sub
  170. miniDSP pre-amp & volume control idea
  171. Klark Teknik Upgrae for 2ch
  172. signal level
  173. THAT 1200 Balaced Receiver IC?
  174. Patch Bay With Buffered Splitter/Channel Inputs Ideas
  175. Can't seem to get OpAmps to work
  176. Yamaha Equalizer 1027 service manual wanted
  177. Yamaha RX-V480 Tuner / FM Bands Wacky
  178. Discrete MOSFET 12db High Pass Filter
  179. ESP Proyect97 PCB
  180. Christmas Project - Audio Analyser
  181. HELP : what wattage for resistor ?
  182. x'over for a sub?
  183. Overlay stereo with mono, without losing stereo?
  184. Hi Level Amp output connect to RCA input
  185. Uneven Hafler 110 output
  186. Preamp-Buffers - simple idea
  187. OPA1612 compared to OPA2228(and a lil question about caps)
  188. How to wire up Audio Matching Transformer?
  189. VU meter arduino project help
  190. 8ch ADC
  191. Passive mixing network -- calculating total loss?
  192. DIY 3 way active crossover: as Christmas Holiday Project
  193. Upgrading the SM Pro AUDIO DI 4V
  194. fully balanced line with THAT 1206 plus 1646
  195. GHOST in 3 band graphic equalizer!! SOS!
  196. Weak bass problem...
  197. Please help me to debug the Lighter Note Attenuator
  198. Yet another remote volume control
  199. Questions about AC coupling and opamp biasing
  200. Request for Guides/Explanation Regarding Audio Mixer Circuits
  201. Preamp mod with a low cut shelf filter
  202. Linn Kairn repair
  203. Filter Bass and treble to the input of a microprocessor
  204. unbalanced to balanced 4 ch kit
  205. I need a super bass tone control
  206. Active Crossover for Open Baffle 2-way
  207. Simplist and tiniest PGA2320 kit out there?
  208. Impedance matching and 30dB drop
  209. Are there many people using BNC out there? or RG6 Quad Shield?
  210. output level of dvd playre?
  211. Suggestions for dual PS
  212. Yet Another IR Remote Volume Controller? No, I want one WITHOUT uC
  213. best balanced volume control solution ?
  214. help with muting relay
  215. Need help: Input selector control for 6 channels
  216. Opamp rollers and fiddlers this is for you.
  217. Good quality active preamp
  218. Convert mini Pre-amp from AC to DC power
  219. Volume control, Evil Mad Scientist style
  220. McIntosh C28 With Bad Transformer
  221. analogue active filter: MFB or Sallen Key?
  222. Help with 6-Bit R-2R Relay Attenuator
  223. Current conveyor as a voltage amplifier
  224. DIY monitor controller modules order…
  225. Active crossover component suggestions?
  226. can a preamp be used directly for headphone?
  227. Sharing a Single Inductor for Multiple Passive LR Filters?
  228. Audio Research LS-3 power transformer
  229. Lil Pre Amp
  230. Preamp OP-AMP...help.
  231. looking to try to split 80hz from an active stereo 3 way
  232. PGA2311 LCD Volume Remote Control+GOLD RCA Jeff Rowland
  233. A new fully analog FM modulated wideband optical transport Open Standard.
  234. wiring schematic for DPDT on-on-on toggle selector
  235. Mods for Denon AVR receiver or pre-amp?
  236. Mods for Denon AVR receiver or pre-amp?
  237. A question of volume control
  238. Cable Questions
  239. Interconnect cable Recommendations
  240. Another simple project I can't do. Using DAC from CDP
  241. Can i make a balanced preamp only using OPA2134 ?
  242. When is the Aikido going to be on sale again? is there a group buy I can get in on?
  243. Swapping potentiometer
  244. What should I be searching for
  245. Signal booster for cd player
  246. Preamp output relay - or other device
  247. Matching my silonex LDR
  248. Ballanced Unballanced what does it mean??
  249. LP/HP crossover for 2.1 DIY preamp?
  250. Biamp EQ-210 as a "Studio" EQ?

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