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  1. Wire gauge for amplifier's signal level input.
  2. CD Line out - PC sound
  3. Phono pre with Jfet and then ad815 at the second stage..
  4. Replacement for Monacor's RCA Connector T-724G wanted
  5. synare clone kit
  6. Full-Analog Arduino(or embedded)-CTRL 2wayCrossover
  7. Line Level Transformer Impedance
  8. Need help with schematics
  9. Luminous Axiom Passive Pre with 2 Outputs - Dumb Question
  10. how to remote control a rotary switch
  11. NE5532 preamp questions
  12. Using O2 as preamp
  13. 0.005% Distortion Tone Control Preamp, NJW1119A Chipset
  14. Low pass filter for subwoofer.
  15. Getting 10-15 dB gain from an opamp buffer circuit?
  16. Simple Volume Knob&Limiter?
  17. Phono card as standalone unit
  18. Passive Preamp schematic for multiple inputs and 2 outputs - help?
  19. 3-way input audio input switching board (ebay)
  20. mixer line in gain control
  21. Single ended Baxandall control - offset on pots
  22. HK825 replace Balance Pot
  23. Simple attenuation needed
  24. Looking for circuit improvement advice(Precision Fidelity C8)
  25. pre-amp with 2 stages adjustable gain
  26. portable discrete mic preamp
  27. Preventing source selector 'thump' using transformer?
  28. Bass loss after static shock - HELP
  29. First post
  30. R-2R attenuator PCB layout question
  31. Using 2SK170/J74BL in Ebay JC-2 "Clone"
  32. Is this signal path correct?
  33. Op amp band pass filter connection problems
  34. lpf calculator
  35. impedance matching question
  36. Custom 6H30 linestage
  37. DIY microphone preamp for Monacor MCE-404U capsule
  38. AD815 or THS6012 pros and cons
  39. What is the impedance out of a voltage divider?
  40. Phono Preamp Question...
  41. Analogue Parametric EQ - Calrec Polar...
  42. Sony pcm 7010 - XLR to RCA input
  43. TDA1524A preamp
  44. Wishlist: Op Amp Characterization Curves in Datasheets
  45. Parametric Mid EQ Pot Wiring
  46. Need PS Audio PS IV schematic
  47. Adding Balanced Outputs Psuedo or Real?
  48. Sending an A/V multi channel pre out into another A/V line in?
  49. Copper purity of Cat-5e cable ?
  50. Balance control?
  51. Input/output transformer question
  52. Equalizing the midrange out of a small Radio Shack driver
  53. what ohmage potentiometer for line out volume control?
  54. preamp signal powered down amp
  55. Passive Balanced Attenuator (between Pre & Power)
  56. Best way to add stereo subwoofer pre-outs to existing DAC/preamp?
  57. iPhone Line Out to Car Amp
  58. Is LR4 phase shift audible
  59. line preamp /buffer /module
  60. Please evaluate this RIAA schematic (njm4580)
  61. Praamp crackling
  62. Buffer Jfet
  63. Onkyo SC-901 crossover rebuild(upgrade)
  64. Art Tube MP Help!
  65. How is the sound of the Radford ZD22 preamp compared to modern high-end preamps ?
  66. from stereo to mono (subwoofer) passive adder ?
  67. Newbie Question: Troubleshooting Simple Line Mixer
  68. About preamp circuits improvements
  69. Noob Question: Electros in signal path
  70. Passive or feedback RIAA network tube phono pre?
  71. THAT1606 based line buffer for balanced guitar - Vero design okay?
  72. Attenuating line level signal with buffer vs. resistor...
  73. New Guy Needs Help With Optimus 31-2025 Graphic Equalizer
  74. Preamp: opamp low pass filter for PS noise
  75. I could use some help on a PS Audio Preamp
  76. another opamp based preamp
  77. Comment on Grounding Scheme?
  78. Radio Shack experimenter kits
  79. Crossover for Scan Speak 6000 tweeter.
  80. Neutrik nte 10/3 help
  81. RCA to XLR
  82. BBE XR-5383 chip
  83. Balanced level preamp
  84. cinemag CMLI-15/15B, unbal--> bal
  85. Pin 1: Multiple XLRs between two amplifiers
  86. Connecting Mp3 player
  87. DIY Tone + Volume control
  88. volume control
  89. Linkwitz-Riley Electronic Crossover PCB
  90. Balanced Microphone Preamp
  91. How Much Voltage Do I Need For a Standard Headphone
  92. Yet another passive volume control
  93. Distortion and Source Impedance in JFET Input Op Amps
  94. Analog switches
  95. Yuan Jing 6n3 tube preamp power requirements and options
  96. PGA2310 frequency response
  97. Smoking Preamplifier
  98. Carver C1 preamp
  99. Meridian 201 help
  100. Active speaker- adding amp/xo
  101. basic power supply questions
  102. McIntosh C26 hum after recaping
  103. Old Volvo Tape Deck Line Level to Tape Head
  104. I Need A New Audio Input Indicator
  105. Handy Non Inverting Active Volume Control
  106. Active volume control - Be quiet please.
  107. Complementary MOS Preamp
  108. BUFFER /LINE STAGE/ BEST POSSIBLE SPEC and SOUND
  109. Simple Symmetrical Preamplifier
  110. EMT-240, EMT 262
  111. Looking for that person who can analyze and upgrade.
  112. TKD stereo attenuator 10k
  113. Douglas self four-band baxandall eq
  114. Input Noise Cancelation - LME 49990 - LT1028
  115. Baxandall Variations
  116. HELP! Electret mic - Powering from Focusrite mic preamp with 48v
  117. Output Transformer for INA217 Mic Preamp?
  118. Advise please on EQ restore...
  119. Recommendations for pre/mixer/thing boards or etc.?
  120. Daisy chain components
  121. Unidirectional Electert Mic and Preamp help.
  122. Rotary stepped attenuator (series) instructions?
  123. High Quality Splitters and Mixers
  124. Which transformations inside this Django?
  125. Balanced stepped attenuator with constant input impedance
  126. 4-ch unbalanced as stereo balanced?
  127. zobel network at driver Fs?
  128. another relay input/volume controller
  129. Basic Inverting Opamp HUM
  130. Recommendations for a simple, opamp-based low-gain stage?
  131. Art Project needs advise, wall of boomboxes
  132. Attenuator design for a modular synth?
  133. Pot values for tone control - from 25k to 10k
  134. Needing Stereo to Mono Summing help...
  135. 2.1 preamp
  136. A little advice, re capping
  137. 8 ohm volume pot
  138. Naim NAC 32.5 Gain board lower gain
  139. P7 Mini Preamp Possible Improvements
  140. Hum issue in hpf circuit
  141. CS3318 Volume Control board with IR?
  142. Balanced line behaviour on Mixer's output
  143. Akitika PR101 Preamp by Dan Joffe
  144. Which one of these wiring schemes will have lower noise?
  145. Need help identifying preamp internals. Conrad Johnson PV-1?
  146. New edition D. Self Small Signal Audio Design
  147. Subwoofer preamplifier with low frequency boost below 30Hz?
  148. Spectrum analyser using LM3915
  149. 9V opamp suggestions
  150. Circlotron LINE and RIAA Pre-Amplifiers wanted
  151. JFET choice for transformer coupled mic preamp
  152. understanding source+return current flow on PCBs
  153. Why are JRC MUSE01 and MUSE02 opamps so expensive?
  154. can use la3161 as a simple solution in a car ?
  155. crossover commission/kit
  156. Switch both sides of input connections?
  157. Hammond 140QEX
  158. Current Amplifyer
  159. An Old Nikko power-supply section question
  160. THAT 202XT VCA + ?
  161. Need analog guru help on grounding
  162. iRig Pre Component Upgrade
  163. Calculating a TVC
  164. Balanced Microphone Preamplifier
  165. Electret Condenser Microphone preamp analysis
  166. LF Line Level Stage design to preceed class D amplifier
  167. Mic Preamp w transformer input: changing impedance
  168. Line level / unity gain vacuum tube circuits
  169. Interpret stereophile measurement data
  170. Diy passive pre and switch
  171. slow audio increase at turn on?
  172. Hammond Amplifier Modification Issue
  173. Would like some help with a "Crossover Isolator"
  174. Correct way to split line level inside dual headphone amp
  175. How can this work?
  176. Balanced input
  177. crossover / summer for "2.1" active or passive
  178. Need Advice for Bi-amping
  179. Too much DC at buffer's output
  180. passive pre-amp ?
  181. Salvaged Phono Preamp - Begginner Help
  182. Tape head amplification circuit
  183. Laptop to Guitar Amp cable. . . Resistor values?
  184. Hifi from german studio modules - help wanted
  185. Guard rings for op amps
  186. Tone control for Low bass selector and boost circuit
  187. "Lehmann" Buffer Output Transistors.
  188. Minuature Low Pass Filter
  189. Easy High-Pass Filter
  190. Analog signal control
  191. Buffer Stage
  192. Critique my first drawing / possible build [Active DI]
  193. Low pass filter for Bitstream DAC.
  194. Looking for 0-10V Analog Volume Control Circuit
  195. AVC
  196. looking for programmable eq chip / pcba module ??
  197. Another Modified PGA2311 kit with Arduino for volume control and input selection
  198. Kudies to/for the Tortuga Audio LDR3X.V2
  199. Parasound P/HP 850
  200. LECUA 1000 attenuator from Luxman ?
  201. Line Level Output to Guitar Amplifier Input
  202. is there an off the shelf preamp module that works with the apple remote?
  203. How about this sub crossover filter?
  204. help with 2 pole low pass filter/attenuator
  205. Zobel at the srpp input
  206. Preamp noise after PSU update
  207. Low level interconnect (RCA) measurements
  208. what are the blocks generally found in a pre-amp board?
  209. Carver ct-3 preamp
  210. Advice on a preamp/external volume control for use with active monitors
  211. Audiophile quality preamp
  212. Building a Line Level Mixer, Transformer advice needed
  213. Sowter type 3232
  214. Super tone controls-I need PCB
  215. L-pad attenuator on preamp output
  216. DI output protection from phantom power
  217. Getting Started on Preamp Design
  218. Balanced to unbalanced.
  219. Input device protection
  220. WTB LDR volume control PCB ?
  221. Adding Input Gain +/-
  222. Room correction using a modified Linkwitz Transform Circuit
  223. How to change active xover frecuencies
  224. non inverting opamp with gain
  225. Digital volume control for 7.1 preamp
  226. Current options for a budget active LLXO?
  227. low impedance high-pass filter
  228. AKG Perception 100 mic repair
  229. How do I configure a simple logic control
  230. PCB, Tone Control with Transistors and dual supply
  231. very very simple DJ mixer aka summing amp?
  232. Passive low pass filter for subwoofer
  233. Linn Exotik/S non DA version lock up problem
  234. Shine7 12au7 preamp builds?
  235. non-DSP delay - is it possible?
  236. Stevens & Billington TX102 Passive preamp Built
  237. Loading considerations in Filter design
  238. TEAD (Tom Evans Audio Design) Groove RIAA MC Phono Preamp - want simplified Schematic
  239. Diodes instead of input selector (insane newbie question)?
  240. Experience with anti-parallel electrolytic capacitors?
  241. Best wire for passive pre?
  242. Which Op Amp Supply Bypass Technique for Low Noise?
  243. Add MONO/DIM to DAC/Preamp
  244. Crackling from input cable (even when there is no input)
  245. Best sounding signal level relay?
  246. Mic preamp around transformer
  247. Questions on op amp settling time and quiescent current.
  248. question on crossover board layout
  249. Bugle 2 problem
  250. Rca Passive Summing Box

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