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  1. Party-line / Full-duplex intercom - mixing audio signals
  2. ZSP1 preamp gain
  3. Acurus L10 Powersupply
  4. Building an Analog to Digital Converter Unit...
  5. DIY pre amp board
  6. Opamp power bypass
  7. Tone Control - Volatage range for TL072/LF252-N
  8. Stereo volume attenuation
  9. Quad channel volume control
  10. Work? L, R RCA inputs -> 1 XLR out?
  11. Impedance matching pre -> power.
  12. LME49740 vs TL074, design considerations and stability
  13. Solid state R2R attenuator using analog switches or multiplying DAC
  14. MF nuvista source selector problem again
  15. What do we think about solid-state potentiometers?
  16. TubeCAD's ACF2 as a active crossover
  17. Phaseca--My new diy pre amp
  18. looking for bass treble pcb pattern
  19. Mobile recording using linein
  20. [Need] simple preamp and LPF based on 5532 for digital sources
  21. wall-based trasformer volume control as passive pre?
  22. noob stab in the dark - riaa preamp
  23. Oscillating Op-Amp
  24. Preamp for shotgun mic
  25. Mark Levinson No 38, Need Help
  26. Help! Kenwood Basic C-2 left channel out (phono only)
  27. Signal delay schematic
  28. Adding 4 channels to a 2 channel input on HT amp
  29. vumeter (stereo, mono)
  30. Acquired Some Elan Components, What are They?
  31. Pre-mix for boombox
  32. Reed Switch Audio Attenuator
  33. "Balanced" PGA2311?
  34. 2 way crossover on Chinese pcbs
  35. SE to Balanced pre question
  36. Interconnect Ground Cable Ground Loops
  37. PGA2310 - PGA2311 - CS3310: version without OPAMP for outdoor OPAmp connection wanted
  38. Any AIKIDO-philes who know why Broskie has changed the formula
  39. One More Overcomplicated Mic Preamp
  40. Problems with subwoofer phase control picking up noise
  41. IC's get hammered
  42. Left/Right channel balance control
  43. Potentiometer Selection
  44. All-In-One Preamp Circuit
  45. Line level mixing
  46. Booze Hounds Labs Phono any good?
  47. PLLXO - Am I doing this right?
  48. Need an Active 2nd Order Low Shelf Filter aka Low Shelving Filter
  49. Switching Noise Between Preamps
  50. Bluetooth Lightspeed attenuator
  51. Help getting 5.1 preamp from Ebay repaired please!
  52. Should using balanced cables to amplified monitors improve sound ?
  53. Apox Audio preamp reborn with the power of Arduino
  54. Does an Op Amp Voltage Follower Operate in Class A?
  55. My boozehound phono stage build
  56. Pre amp kit
  57. balanced preamplifier based on LME49990
  58. Merging two channels with passive low passes
  59. Old Colony Sound Lab T-2D Line Amp - Any Info?
  60. Impedance Bridging and Isolation Tranformer
  61. TDA7315 chip parameters interpretation
  62. MFP-102 N fet compatibility
  63. What is the effect of a 22K res in series with a 25K volume pot?
  64. Senior Project: Bandpass Equalizer pedal
  65. [WANTED] Mark Levinson No 26S Service Manual/Schematic
  66. ORTF is best for stereo recording
  67. A zero impedance preamp and CMRR
  68. good preamp
  69. calculate crossover with Re or impedance ?
  70. Op-Amp Preamp Circuit for Electret Mic
  71. Simple Router (then bass management)
  72. Second order shelving filter
  73. Help with component selection.
  74. passive to tame 8khz peak
  75. Hafler SE100 Preamplifier / Symmetric B1 buffer hybrid
  76. Adcom GFP-750 -Needs Repair
  77. Variable gain op-amp for volume control (vs normal voltage divider pot)
  78. Germanium Transistor and FET opamp
  79. 5 zone preamp based on Arduino controlled optocoupler
  80. How to select the right impedance for volume control
  81. In vehicle Pre-amp for mic (12+ VDC)
  82. Resistor-Diode-Relay Logic Source Selector
  83. 3 into 1 input the other way round
  84. Nagging Ground Issue
  85. Looking for Princeton Applied Research 115 MANUAL
  86. Active Band Pass Filter with +/- Gain
  87. Components source
  88. Guitar ABY or Headphone Amplifier?
  89. rod elliot p88 preamp knob arrangment
  90. C-Mos opamps in audio preamplifiers
  91. Cheap, balanced XLR passive pre?
  92. DIY crossover - Sallen-Key?
  93. Hafler 915 preamp cap question
  94. analog 3.5mm to digital usb possible?
  95. Mixer Pre-amp
  96. DIY tube preamp - help with choosing the right kit
  97. opamp channels mysteriously mixing ¿quantum thing or me too dumb?
  98. MC-22 schematic question
  99. unbalanced/balanced to balanced converter
  100. My line buffer preamp
  101. Attenuating Preamp Filter Question
  102. biamping with one DAC
  103. Audiophile active crossover
  104. adding EQ without screwing up sound; few questions...
  105. SSTART Pcb and power supply project
  106. Help with a simple envelop detector filter. (averaging the signal)
  107. audio output switch? Monitor Controller
  108. Very simple volume control with IR remote
  109. JFETs and MOSFETs biasing questions
  110. I need advise on audio mixing boards?
  111. pre amp output
  112. OPA134 Amp Help
  113. OPA134
  114. Capacitors voltage rating
  115. Capacitors voltage rating
  116. attenuation on dac output with U-pad
  117. passive preamp
  118. preamp necessary?
  119. Will phono pre > passive pre > amp work well enough?
  120. 60Hz hum problem, please help
  121. distortion cancellation for diode limiter
  122. electret mic preamp for micro ADC
  123. Understanding "Voltage - Input Offset" Parameter
  124. Schade MOSFET + Feedback Line Amp
  125. Preamp or receiver?
  126. Sony BX-270 Datasheet Wanted
  127. Classe Audio DR6 Bias
  128. Dual gang potentiometer for 'mixer'
  129. Aikido Preamp Bass & Treble Controls
  130. Tried active crossover, mean hum...
  131. How to use TDA7439 for center and subwoofer
  132. Active notch filter
  133. simple pre amp volume control with seperate mono out
  134. Help me wire up my SUT correctly (Tamura TKS-27)
  135. How can I split a mixer bus?
  136. Beau's Bias Circuit Schematic
  137. What should be included in a subwoofer lowpass filter?
  138. Potentiometer volume control treble loss bleed
  139. Adcom GFP 815 Pre Amp-Any users?
  140. speaker out to preamp out while driving speaker
  141. 6dB Active crossover
  142. Replacing volume pot from 100K to 50K reduces gain?
  143. Dual Ganged Stereo Volume Control
  144. McIntosh/Conrad Johnson pairing
  145. Input Impedance Question
  146. Active studio monitors/ crossovers
  147. new discrete opamp for line preamplifier
  148. Music Angel Pre Amp
  149. Tilt Equalizer Filter
  150. Parametric EQ based bass boost circuit
  151. Power On Delay/Loss of AC Detector Relay
  152. Balanced Line Driver with DRV134
  153. PGA3211 6.1 assembling
  154. PGA2311 code
  155. SMD High-Voltage Discrete Diamond Buffer
  156. How best to implement image mode controls
  157. Preamp has unwanted delay (and hum)
  158. Pot values in LM1036 preamp circuit
  159. simple three steps attenuator
  160. Behringer Eurorack UB1622fx PRO schematic
  161. Need help with Coustic XM-5e Crossover
  162. Small Fader + Volume control for Car
  163. PGA2311 Evaluation
  164. Are these pots what I need for my preamp?
  165. IR Remote Control
  166. That Corporation 1200 , 1203 , 1206 circuits
  167. portable set field mixer/ mic pre
  168. Compact simple EQ
  169. Digitally controlled pot distortion?
  170. Help me Choose Between A and B
  171. Quad Eight Electronics EQ712
  172. Adding a line level output to PGA2311 preamp
  173. Using Joachim Gerhard Filter Buffers as balanced crossover
  174. Impedance measuring jig and iSEMcon kit
  175. LM1036N Potentiometer Type
  176. 4558d
  177. 10M45 as simple preamp...
  178. Kenwood c-2 balance pot
  179. Attenuator Impedance for Adcom GFA-535?
  180. McIntosh C712 Preamplifier - Schematic wanted
  181. Speaker Combination in Custom Installation, please help
  182. 5 band equalizer, need help!!
  183. Parasound P/HP-850 Preamp Problem
  184. Crossover between pre and power amp for sub
  185. miniDSP pre-amp & volume control idea
  186. Klark Teknik Upgrae for 2ch
  187. signal level
  188. THAT 1200 Balaced Receiver IC?
  189. Patch Bay With Buffered Splitter/Channel Inputs Ideas
  190. Can't seem to get OpAmps to work
  191. Yamaha Equalizer 1027 service manual wanted
  192. Yamaha RX-V480 Tuner / FM Bands Wacky
  193. Discrete MOSFET 12db High Pass Filter
  194. ESP Proyect97 PCB
  195. Christmas Project - Audio Analyser
  196. HELP : what wattage for resistor ?
  197. x'over for a sub?
  198. Overlay stereo with mono, without losing stereo?
  199. Hi Level Amp output connect to RCA input
  200. Uneven Hafler 110 output
  201. Preamp-Buffers - simple idea
  202. OPA1612 compared to OPA2228(and a lil question about caps)
  203. How to wire up Audio Matching Transformer?
  204. VU meter arduino project help
  205. 8ch ADC
  206. Passive mixing network -- calculating total loss?
  207. DIY 3 way active crossover: as Christmas Holiday Project
  208. Upgrading the SM Pro AUDIO DI 4V
  209. fully balanced line with THAT 1206 plus 1646
  210. GHOST in 3 band graphic equalizer!! SOS!
  211. Weak bass problem...
  212. Please help me to debug the Lighter Note Attenuator
  213. Yet another remote volume control
  214. Questions about AC coupling and opamp biasing
  215. Request for Guides/Explanation Regarding Audio Mixer Circuits
  216. Preamp mod with a low cut shelf filter
  217. Linn Kairn repair
  218. Filter Bass and treble to the input of a microprocessor
  219. unbalanced to balanced 4 ch kit
  220. I need a super bass tone control
  221. Active Crossover for Open Baffle 2-way
  222. Simplist and tiniest PGA2320 kit out there?
  223. Impedance matching and 30dB drop
  224. Are there many people using BNC out there? or RG6 Quad Shield?
  225. output level of dvd playre?
  226. Suggestions for dual PS
  227. Yet Another IR Remote Volume Controller? No, I want one WITHOUT uC
  228. best balanced volume control solution ?
  229. help with muting relay
  230. Need help: Input selector control for 6 channels
  231. Opamp rollers and fiddlers this is for you.
  232. Good quality active preamp
  233. Convert mini Pre-amp from AC to DC power
  234. Volume control, Evil Mad Scientist style
  235. McIntosh C28 With Bad Transformer
  236. analogue active filter: MFB or Sallen Key?
  237. Help with 6-Bit R-2R Relay Attenuator
  238. Current conveyor as a voltage amplifier
  239. DIY monitor controller modules order…
  240. Active crossover component suggestions?
  241. can a preamp be used directly for headphone?
  242. Sharing a Single Inductor for Multiple Passive LR Filters?
  243. Audio Research LS-3 power transformer
  244. Lil Pre Amp
  245. Preamp OP-AMP...help.
  246. looking to try to split 80hz from an active stereo 3 way
  247. PGA2311 LCD Volume Remote Control+GOLD RCA Jeff Rowland
  248. A new fully analog FM modulated wideband optical transport Open Standard.
  249. wiring schematic for DPDT on-on-on toggle selector
  250. Mods for Denon AVR receiver or pre-amp?

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