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  1. Those tiresome RCA/chinch
  2. Simple mic preamp
  3. Power supply dilemma for 8-channel mic pre
  4. NAD 1020 replace potentiometers tones!!
  5. Mic cable as single ended interconnects
  6. Layman's question for the pros
  7. Active volume control with balanced output using 2 op-amps
  8. Great American Sound Thalia 1 Service Info
  9. Too much signal voltage...
  10. Impedance matching - Source / Attenuator / Amp
  11. DIY Sine Wave Oscillator Trouble
  12. What is the maximum gain for 1 op amp stage?
  13. What is the consequence of this wiring scheme? (With tangential "extra trace"?)
  14. preamp relay driver needed
  15. Buffer output for PCM1794A
  16. Lemonstre at linelevel
  17. Large band para eq - optimisations and smd pcb ?
  18. Passive line level crossover, different impedance amps
  19. TI Active volume control board...tipd136
  20. carlos Jfet pre voltage questions
  21. Looking for basic source mixer for home system
  22. Help needed for calaculate cutoff frequency ?
  23. Critique this noninverting opamp buffer/amplifier please? Almost time to build...
  24. the "JB" 3-stage Phono Preamp
  25. Preamp does not mute.
  26. 9 Pin1/4" inputjack for Soho tube Preamp
  27. Great American Sound Thaila 2 Setup Procedure
  28. Need a simple pre-amp, quick!
  29. Adding a (variable) gain boost to this non-inverting opamp buffer circuit?
  30. Klotz IC cables - opinions on specific types
  31. Matching I/O Impedance - How to?
  32. Equalizer and tone control circuit used in Dj mixer
  33. High performance subwoofer filter circuit(low pass) to your audio amp
  34. Unity gain opamp circuit
  35. Looking for a Cheap, simple Opamp gain stage
  36. Phantom Powered Stereo DI
  37. Why so difficult; It's just a switch
  38. Buzzing passive pre-amp
  39. do i need a preamp for a passive mixer?
  40. Wire gauge for amplifier's signal level input.
  41. CD Line out - PC sound
  42. Phono pre with Jfet and then ad815 at the second stage..
  43. Replacement for Monacor's RCA Connector T-724G wanted
  44. synare clone kit
  45. Full-Analog Arduino(or embedded)-CTRL 2wayCrossover
  46. Line Level Transformer Impedance
  47. Need help with schematics
  48. Luminous Axiom Passive Pre with 2 Outputs - Dumb Question
  49. how to remote control a rotary switch
  50. NE5532 preamp questions
  51. Using O2 as preamp
  52. 0.005% Distortion Tone Control Preamp, NJW1119A Chipset
  53. Low pass filter for subwoofer.
  54. Getting 10-15 dB gain from an opamp buffer circuit?
  55. Simple Volume Knob&Limiter?
  56. Phono card as standalone unit
  57. Passive Preamp schematic for multiple inputs and 2 outputs - help?
  58. 3-way input audio input switching board (ebay)
  59. mixer line in gain control
  60. Single ended Baxandall control - offset on pots
  61. HK825 replace Balance Pot
  62. Simple attenuation needed
  63. Looking for circuit improvement advice(Precision Fidelity C8)
  64. pre-amp with 2 stages adjustable gain
  65. portable discrete mic preamp
  66. Preventing source selector 'thump' using transformer?
  67. Bass loss after static shock - HELP
  68. R-2R attenuator PCB layout question
  69. Using 2SK170/J74BL in Ebay JC-2 "Clone"
  70. Is this signal path correct?
  71. Op amp band pass filter connection problems
  72. lpf calculator
  73. impedance matching question
  74. Custom 6H30 linestage
  75. DIY microphone preamp for Monacor MCE-404U capsule
  76. AD815 or THS6012 pros and cons
  77. What is the impedance out of a voltage divider?
  78. Phono Preamp Question...
  79. Analogue Parametric EQ - Calrec Polar...
  80. Sony pcm 7010 - XLR to RCA input
  81. TDA1524A preamp
  82. Wishlist: Op Amp Characterization Curves in Datasheets
  83. Parametric Mid EQ Pot Wiring
  84. Need PS Audio PS IV schematic
  85. Adding Balanced Outputs Psuedo or Real?
  86. Sending an A/V multi channel pre out into another A/V line in?
  87. Copper purity of Cat-5e cable ?
  88. Balance control?
  89. Input/output transformer question
  90. Equalizing the midrange out of a small Radio Shack driver
  91. what ohmage potentiometer for line out volume control?
  92. preamp signal powered down amp
  93. Passive Balanced Attenuator (between Pre & Power)
  94. Best way to add stereo subwoofer pre-outs to existing DAC/preamp?
  95. iPhone Line Out to Car Amp
  96. Is LR4 phase shift audible
  97. line preamp /buffer /module
  98. Please evaluate this RIAA schematic (njm4580)
  99. Praamp crackling
  100. Buffer Jfet
  101. Onkyo SC-901 crossover rebuild(upgrade)
  102. Art Tube MP Help!
  103. How is the sound of the Radford ZD22 preamp compared to modern high-end preamps ?
  104. from stereo to mono (subwoofer) passive adder ?
  105. Newbie Question: Troubleshooting Simple Line Mixer
  106. About preamp circuits improvements
  107. Noob Question: Electros in signal path
  108. Passive or feedback RIAA network tube phono pre?
  109. THAT1606 based line buffer for balanced guitar - Vero design okay?
  110. Attenuating line level signal with buffer vs. resistor...
  111. New Guy Needs Help With Optimus 31-2025 Graphic Equalizer
  112. Preamp: opamp low pass filter for PS noise
  113. I could use some help on a PS Audio Preamp
  114. another opamp based preamp
  115. Comment on Grounding Scheme?
  116. Radio Shack experimenter kits
  117. Crossover for Scan Speak 6000 tweeter.
  118. Neutrik nte 10/3 help
  119. RCA to XLR
  120. BBE XR-5383 chip
  121. Balanced level preamp
  122. cinemag CMLI-15/15B, unbal--> bal
  123. Pin 1: Multiple XLRs between two amplifiers
  124. Connecting Mp3 player
  125. DIY Tone + Volume control
  126. volume control
  127. Linkwitz-Riley Electronic Crossover PCB
  128. Balanced Microphone Preamp
  129. How Much Voltage Do I Need For a Standard Headphone
  130. Yet another passive volume control
  131. Distortion and Source Impedance in JFET Input Op Amps
  132. Analog switches
  133. Yuan Jing 6n3 tube preamp power requirements and options
  134. PGA2310 frequency response
  135. Smoking Preamplifier
  136. Carver C1 preamp
  137. Meridian 201 help
  138. Active speaker- adding amp/xo
  139. basic power supply questions
  140. McIntosh C26 hum after recaping
  141. Old Volvo Tape Deck Line Level to Tape Head
  142. I Need A New Audio Input Indicator
  143. Handy Non Inverting Active Volume Control
  144. Active volume control - Be quiet please.
  145. Complementary MOS Preamp
  146. BUFFER /LINE STAGE/ BEST POSSIBLE SPEC and SOUND
  147. Simple Symmetrical Preamplifier
  148. EMT-240, EMT 262
  149. Looking for that person who can analyze and upgrade.
  150. TKD stereo attenuator 10k
  151. Douglas self four-band baxandall eq
  152. Input Noise Cancelation - LME 49990 - LT1028
  153. Baxandall Variations
  154. HELP! Electret mic - Powering from Focusrite mic preamp with 48v
  155. Output Transformer for INA217 Mic Preamp?
  156. Advise please on EQ restore...
  157. Recommendations for pre/mixer/thing boards or etc.?
  158. Daisy chain components
  159. Unidirectional Electert Mic and Preamp help.
  160. Rotary stepped attenuator (series) instructions?
  161. High Quality Splitters and Mixers
  162. Which transformations inside this Django?
  163. Balanced stepped attenuator with constant input impedance
  164. 4-ch unbalanced as stereo balanced?
  165. zobel network at driver Fs?
  166. another relay input/volume controller
  167. Basic Inverting Opamp HUM
  168. Recommendations for a simple, opamp-based low-gain stage?
  169. Art Project needs advise, wall of boomboxes
  170. Attenuator design for a modular synth?
  171. Pot values for tone control - from 25k to 10k
  172. Needing Stereo to Mono Summing help...
  173. 2.1 preamp
  174. A little advice, re capping
  175. 8 ohm volume pot
  176. Naim NAC 32.5 Gain board lower gain
  177. P7 Mini Preamp Possible Improvements
  178. Hum issue in hpf circuit
  179. CS3318 Volume Control board with IR?
  180. Balanced line behaviour on Mixer's output
  181. Akitika PR101 Preamp by Dan Joffe
  182. Which one of these wiring schemes will have lower noise?
  183. Need help identifying preamp internals. Conrad Johnson PV-1?
  184. New edition D. Self Small Signal Audio Design
  185. Subwoofer preamplifier with low frequency boost below 30Hz?
  186. Spectrum analyser using LM3915
  187. 9V opamp suggestions
  188. Circlotron LINE and RIAA Pre-Amplifiers wanted
  189. JFET choice for transformer coupled mic preamp
  190. understanding source+return current flow on PCBs
  191. Why are JRC MUSE01 and MUSE02 opamps so expensive?
  192. can use la3161 as a simple solution in a car ?
  193. crossover commission/kit
  194. Switch both sides of input connections?
  195. Hammond 140QEX
  196. Current Amplifyer
  197. An Old Nikko power-supply section question
  198. THAT 202XT VCA + ?
  199. Need analog guru help on grounding
  200. iRig Pre Component Upgrade
  201. Calculating a TVC
  202. Balanced Microphone Preamplifier
  203. Electret Condenser Microphone preamp analysis
  204. LF Line Level Stage design to preceed class D amplifier
  205. Mic Preamp w transformer input: changing impedance
  206. Line level / unity gain vacuum tube circuits
  207. Interpret stereophile measurement data
  208. Diy passive pre and switch
  209. slow audio increase at turn on?
  210. Hammond Amplifier Modification Issue
  211. Would like some help with a "Crossover Isolator"
  212. Correct way to split line level inside dual headphone amp
  213. How can this work?
  214. Balanced input
  215. crossover / summer for "2.1" active or passive
  216. Need Advice for Bi-amping
  217. Too much DC at buffer's output
  218. passive pre-amp ?
  219. Salvaged Phono Preamp - Begginner Help
  220. Tape head amplification circuit
  221. Laptop to Guitar Amp cable. . . Resistor values?
  222. Hifi from german studio modules - help wanted
  223. Guard rings for op amps
  224. Tone control for Low bass selector and boost circuit
  225. "Lehmann" Buffer Output Transistors.
  226. Minuature Low Pass Filter
  227. Easy High-Pass Filter
  228. Analog signal control
  229. Buffer Stage
  230. Critique my first drawing / possible build [Active DI]
  231. Low pass filter for Bitstream DAC.
  232. Looking for 0-10V Analog Volume Control Circuit
  233. AVC
  234. looking for programmable eq chip / pcba module ??
  235. Another Modified PGA2311 kit with Arduino for volume control and input selection
  236. Kudies to/for the Tortuga Audio LDR3X.V2
  237. Parasound P/HP 850
  238. LECUA 1000 attenuator from Luxman ?
  239. Line Level Output to Guitar Amplifier Input
  240. is there an off the shelf preamp module that works with the apple remote?
  241. How about this sub crossover filter?
  242. help with 2 pole low pass filter/attenuator
  243. Zobel at the srpp input
  244. Preamp noise after PSU update
  245. Low level interconnect (RCA) measurements
  246. what are the blocks generally found in a pre-amp board?
  247. Carver ct-3 preamp
  248. Advice on a preamp/external volume control for use with active monitors
  249. Audiophile quality preamp
  250. Building a Line Level Mixer, Transformer advice needed

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