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  1. EMU 1616m preamp squealing
  2. Phono stage recommendation
  3. Capacitor on "ground" interconnection to block "ground" DC voltage
  4. tda7052 as volume controll/preamp ?
  5. Help to build a Passive Balanced Preamplifier (Volume control)
  6. Optimal Volume Pot Resistance Question.
  7. How to reduce a preamp output voltage?
  8. Radio Tuner Phono Switcher Box
  9. Linkwitz-Riley 24 dB/Octave pcb
  10. Low pass filter circuit design
  11. Preamp input diagnosis
  12. Modifying a Class A preamplifier design for more gain
  13. PRO 2 or 3 way 4th order crossover.
  14. Those tiresome RCA/chinch
  15. Simple mic preamp
  16. Power supply dilemma for 8-channel mic pre
  17. NAD 1020 replace potentiometers tones!!
  18. Mic cable as single ended interconnects
  19. Layman's question for the pros
  20. Active volume control with balanced output using 2 op-amps
  21. Great American Sound Thalia 1 Service Info
  22. Too much signal voltage...
  23. Impedance matching - Source / Attenuator / Amp
  24. DIY Sine Wave Oscillator Trouble
  25. What is the maximum gain for 1 op amp stage?
  26. What is the consequence of this wiring scheme? (With tangential "extra trace"?)
  27. preamp relay driver needed
  28. Buffer output for PCM1794A
  29. Lemonstre at linelevel
  30. Large band para eq - optimisations and smd pcb ?
  31. Passive line level crossover, different impedance amps
  32. TI Active volume control board...tipd136
  33. carlos Jfet pre voltage questions
  34. Looking for basic source mixer for home system
  35. Help needed for calaculate cutoff frequency ?
  36. Critique this noninverting opamp buffer/amplifier please? Almost time to build...
  37. the "JB" 3-stage Phono Preamp
  38. Preamp does not mute.
  39. 9 Pin1/4" inputjack for Soho tube Preamp
  40. Great American Sound Thaila 2 Setup Procedure
  41. Need a simple pre-amp, quick!
  42. Adding a (variable) gain boost to this non-inverting opamp buffer circuit?
  43. Klotz IC cables - opinions on specific types
  44. Matching I/O Impedance - How to?
  45. Equalizer and tone control circuit used in Dj mixer
  46. High performance subwoofer filter circuit(low pass) to your audio amp
  47. Unity gain opamp circuit
  48. Looking for a Cheap, simple Opamp gain stage
  49. Phantom Powered Stereo DI
  50. Why so difficult; It's just a switch
  51. Buzzing passive pre-amp
  52. do i need a preamp for a passive mixer?
  53. Wire gauge for amplifier's signal level input.
  54. CD Line out - PC sound
  55. Phono pre with Jfet and then ad815 at the second stage..
  56. Replacement for Monacor's RCA Connector T-724G wanted
  57. synare clone kit
  58. Full-Analog Arduino(or embedded)-CTRL 2wayCrossover
  59. Line Level Transformer Impedance
  60. Need help with schematics
  61. Luminous Axiom Passive Pre with 2 Outputs - Dumb Question
  62. how to remote control a rotary switch
  63. NE5532 preamp questions
  64. Using O2 as preamp
  65. 0.005% Distortion Tone Control Preamp, NJW1119A Chipset
  66. Low pass filter for subwoofer.
  67. Getting 10-15 dB gain from an opamp buffer circuit?
  68. Simple Volume Knob&Limiter?
  69. Phono card as standalone unit
  70. Passive Preamp schematic for multiple inputs and 2 outputs - help?
  71. 3-way input audio input switching board (ebay)
  72. mixer line in gain control
  73. Single ended Baxandall control - offset on pots
  74. HK825 replace Balance Pot
  75. Simple attenuation needed
  76. Looking for circuit improvement advice(Precision Fidelity C8)
  77. pre-amp with 2 stages adjustable gain
  78. portable discrete mic preamp
  79. Preventing source selector 'thump' using transformer?
  80. Bass loss after static shock - HELP
  81. First post
  82. R-2R attenuator PCB layout question
  83. Using 2SK170/J74BL in Ebay JC-2 "Clone"
  84. Is this signal path correct?
  85. Op amp band pass filter connection problems
  86. lpf calculator
  87. impedance matching question
  88. Custom 6H30 linestage
  89. DIY microphone preamp for Monacor MCE-404U capsule
  90. AD815 or THS6012 pros and cons
  91. What is the impedance out of a voltage divider?
  92. Phono Preamp Question...
  93. Analogue Parametric EQ - Calrec Polar...
  94. Sony pcm 7010 - XLR to RCA input
  95. TDA1524A preamp
  96. Wishlist: Op Amp Characterization Curves in Datasheets
  97. Parametric Mid EQ Pot Wiring
  98. Need PS Audio PS IV schematic
  99. Adding Balanced Outputs Psuedo or Real?
  100. Sending an A/V multi channel pre out into another A/V line in?
  101. Copper purity of Cat-5e cable ?
  102. Balance control?
  103. Input/output transformer question
  104. Equalizing the midrange out of a small Radio Shack driver
  105. what ohmage potentiometer for line out volume control?
  106. preamp signal powered down amp
  107. Passive Balanced Attenuator (between Pre & Power)
  108. Best way to add stereo subwoofer pre-outs to existing DAC/preamp?
  109. iPhone Line Out to Car Amp
  110. Is LR4 phase shift audible
  111. line preamp /buffer /module
  112. Please evaluate this RIAA schematic (njm4580)
  113. Praamp crackling
  114. Buffer Jfet
  115. Onkyo SC-901 crossover rebuild(upgrade)
  116. Art Tube MP Help!
  117. How is the sound of the Radford ZD22 preamp compared to modern high-end preamps ?
  118. from stereo to mono (subwoofer) passive adder ?
  119. Newbie Question: Troubleshooting Simple Line Mixer
  120. About preamp circuits improvements
  121. Noob Question: Electros in signal path
  122. Passive or feedback RIAA network tube phono pre?
  123. THAT1606 based line buffer for balanced guitar - Vero design okay?
  124. Attenuating line level signal with buffer vs. resistor...
  125. New Guy Needs Help With Optimus 31-2025 Graphic Equalizer
  126. Preamp: opamp low pass filter for PS noise
  127. I could use some help on a PS Audio Preamp
  128. another opamp based preamp
  129. Comment on Grounding Scheme?
  130. Radio Shack experimenter kits
  131. Crossover for Scan Speak 6000 tweeter.
  132. Neutrik nte 10/3 help
  133. RCA to XLR
  134. BBE XR-5383 chip
  135. Balanced level preamp
  136. cinemag CMLI-15/15B, unbal--> bal
  137. Pin 1: Multiple XLRs between two amplifiers
  138. Connecting Mp3 player
  139. DIY Tone + Volume control
  140. volume control
  141. Linkwitz-Riley Electronic Crossover PCB
  142. Balanced Microphone Preamp
  143. How Much Voltage Do I Need For a Standard Headphone
  144. Yet another passive volume control
  145. Distortion and Source Impedance in JFET Input Op Amps
  146. Analog switches
  147. Yuan Jing 6n3 tube preamp power requirements and options
  148. PGA2310 frequency response
  149. Smoking Preamplifier
  150. Carver C1 preamp
  151. Meridian 201 help
  152. Active speaker- adding amp/xo
  153. basic power supply questions
  154. McIntosh C26 hum after recaping
  155. Old Volvo Tape Deck Line Level to Tape Head
  156. I Need A New Audio Input Indicator
  157. Handy Non Inverting Active Volume Control
  158. Active volume control - Be quiet please.
  159. Complementary MOS Preamp
  160. BUFFER /LINE STAGE/ BEST POSSIBLE SPEC and SOUND
  161. Simple Symmetrical Preamplifier
  162. EMT-240, EMT 262
  163. Looking for that person who can analyze and upgrade.
  164. TKD stereo attenuator 10k
  165. Douglas self four-band baxandall eq
  166. Input Noise Cancelation - LME 49990 - LT1028
  167. Baxandall Variations
  168. HELP! Electret mic - Powering from Focusrite mic preamp with 48v
  169. Output Transformer for INA217 Mic Preamp?
  170. Advise please on EQ restore...
  171. Recommendations for pre/mixer/thing boards or etc.?
  172. Daisy chain components
  173. Unidirectional Electert Mic and Preamp help.
  174. Rotary stepped attenuator (series) instructions?
  175. High Quality Splitters and Mixers
  176. Which transformations inside this Django?
  177. Balanced stepped attenuator with constant input impedance
  178. 4-ch unbalanced as stereo balanced?
  179. zobel network at driver Fs?
  180. another relay input/volume controller
  181. Basic Inverting Opamp HUM
  182. Recommendations for a simple, opamp-based low-gain stage?
  183. Art Project needs advise, wall of boomboxes
  184. Attenuator design for a modular synth?
  185. Pot values for tone control - from 25k to 10k
  186. Needing Stereo to Mono Summing help...
  187. 2.1 preamp
  188. A little advice, re capping
  189. 8 ohm volume pot
  190. Naim NAC 32.5 Gain board lower gain
  191. P7 Mini Preamp Possible Improvements
  192. Hum issue in hpf circuit
  193. CS3318 Volume Control board with IR?
  194. Balanced line behaviour on Mixer's output
  195. Akitika PR101 Preamp by Dan Joffe
  196. Which one of these wiring schemes will have lower noise?
  197. Need help identifying preamp internals. Conrad Johnson PV-1?
  198. New edition D. Self Small Signal Audio Design
  199. Subwoofer preamplifier with low frequency boost below 30Hz?
  200. Spectrum analyser using LM3915
  201. 9V opamp suggestions
  202. Circlotron LINE and RIAA Pre-Amplifiers wanted
  203. JFET choice for transformer coupled mic preamp
  204. understanding source+return current flow on PCBs
  205. Why are JRC MUSE01 and MUSE02 opamps so expensive?
  206. can use la3161 as a simple solution in a car ?
  207. crossover commission/kit
  208. Switch both sides of input connections?
  209. Hammond 140QEX
  210. Current Amplifyer
  211. An Old Nikko power-supply section question
  212. THAT 202XT VCA + ?
  213. Need analog guru help on grounding
  214. iRig Pre Component Upgrade
  215. Calculating a TVC
  216. Balanced Microphone Preamplifier
  217. Electret Condenser Microphone preamp analysis
  218. LF Line Level Stage design to preceed class D amplifier
  219. Mic Preamp w transformer input: changing impedance
  220. Line level / unity gain vacuum tube circuits
  221. Interpret stereophile measurement data
  222. Diy passive pre and switch
  223. slow audio increase at turn on?
  224. Hammond Amplifier Modification Issue
  225. Would like some help with a "Crossover Isolator"
  226. Correct way to split line level inside dual headphone amp
  227. How can this work?
  228. Balanced input
  229. crossover / summer for "2.1" active or passive
  230. Need Advice for Bi-amping
  231. Too much DC at buffer's output
  232. passive pre-amp ?
  233. Salvaged Phono Preamp - Begginner Help
  234. Tape head amplification circuit
  235. Laptop to Guitar Amp cable. . . Resistor values?
  236. Hifi from german studio modules - help wanted
  237. Guard rings for op amps
  238. Tone control for Low bass selector and boost circuit
  239. "Lehmann" Buffer Output Transistors.
  240. Minuature Low Pass Filter
  241. Easy High-Pass Filter
  242. Analog signal control
  243. Buffer Stage
  244. Critique my first drawing / possible build [Active DI]
  245. Low pass filter for Bitstream DAC.
  246. Looking for 0-10V Analog Volume Control Circuit
  247. AVC
  248. looking for programmable eq chip / pcba module ??
  249. Another Modified PGA2311 kit with Arduino for volume control and input selection
  250. Kudies to/for the Tortuga Audio LDR3X.V2

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