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  1. Analog audio effects and synths
  2. android arduino digital pot
  3. Parasound hca-1000a preamp needed?
  4. Grounding Issue DAC Preamp
  5. Pre-amp - output caps swap
  6. An honest opinion over this dyn. mic. preamp Please
  7. Upcoming Volume/Selector w/Ground Isolation
  8. Failure or not?
  9. Trouble driving line level with That 1512/1646 combo
  10. V-Cap OIMP Who was listening ?
  11. TDA 1524 tone control
  12. Art project needs help! Line-level splitting...
  13. Warm Audio EQP-WA Tube Equaliser
  14. TKD 2P-2511S - 21 steps replacement AN Kit One
  15. Adding a DAC to tube mixer
  16. Need advice choosing a pre-out voltage booster, mixer, etc.
  17. Opamp input buffer choices
  18. diy custom remote for my preamp
  19. Stereo to Mono Converter
  20. Tone control TL074
  21. VU meter indicator signal levels
  22. How to Null the output of a diff amp please?
  23. Passive Preamp: Arduino based, remote control, Relay R2R, input selection
  24. Great American Sound MM Phono
  25. Modded Kawai mixer
  26. XLR to RCA adapter causes gross amounts of distortion...
  27. Hypex UcD400 OEM unbuffered input?
  28. Great American Sound Head Amp
  29. My active crossover filter project.
  30. Vicol Audio R2R Volume controller Builds
  31. Looking for tone Control using 4558 opamp
  32. Audiolab 8000C - modify or start again?
  33. Pre-amp mods - new opamp caps position?
  34. 3rdOrderAllpass_HowTo: calculate delay
  35. Help with Jung AD744/811 PCB Layout
  36. determine element value for the pre-amp package I am working on
  37. need help with car ampifier preamp section
  38. Thoughts on reduction of 2nd order harmonic distortion
  39. HK citation 17- new output relay switch
  40. Not Equal Slope of Active Crossover at Same Cut Of Frequency
  41. Soundcard buffer critique, please?
  42. A little advice regarding boosted op amp
  43. preamp/buffer for TA2020/2024
  44. Building a decent input switcher
  45. crossover: series vs paraller effect on load impedance
  46. "NOOB" needs help with tube preamp build
  47. SSL xlogic alpha vhd pre phantom problem
  48. "All at once" IC Phono Stage circuit
  49. Phono stage on ebay EAR834
  50. AK phonostage
  51. INA217 preamp OPA question
  52. PGA 2310 kit
  53. FM Reception Trouble
  54. Help with older Claricon mixer
  55. Single-supply buffer help
  56. minimum preamp output impedance
  57. MXL V69 doesn't work
  58. speaker setup xo help
  59. LCDuino (arduino) R2R relay preamp
  60. My PGA2310 Box
  61. Recommend a Tube buffer for use in product
  62. Spice transistor parameters?
  63. Pre-amp for electret mic capsule->PC input
  64. Good audio with LDR's
  65. Balanced Preamp for bi-amping
  66. dynamic mic to electret input, with splitter
  67. 'slow down' ad797
  68. Linear DAC power supply
  69. VC23 PGAVOL using PGA2310
  70. Help needed designing signal switching circuit
  71. VU Meter XXL with LED Stripe
  72. DC offset from the line level stage.
  73. Anyone have information about Da Vinci Transformer Passive Preamp?
  74. Preamp needed?
  75. DAC to AMP clipping vs noise
  76. Input Select \ Fader IC
  77. Noisy trough
  78. Matching Pre & Power amp.
  79. mic mixer with echo/delay feature connection
  80. http://www.ebay.com/itm/NE5532-volume-control-board-10-times-pre-amp-ASSEMBLED
  81. Phase Inversion
  82. One pair of coupling caps on the input of my XO?
  83. Paralleling transistors for noise
  84. Op Amp rolling OPA627 unstable.
  85. Pitchfork pre-amplifier
  86. 34mm Large Mylar Capsule Diaphragm mic project
  87. XLR to RCA cable wiring
  88. Crown SL-2 Project
  89. Behringer CX2300 replace caps (values change)
  90. Potentiometer wattage
  91. Quick Question about "Grounds".
  92. Mic Preamp which should I make ?
  93. Summing Audio - is it really THAT easy? featuring: MIDIman
  94. 6 channel mini mixer
  95. McIntosh C504
  96. Cambridge 640
  97. Commercial crossover or DIY?
  98. MAX9632???
  99. please help me to calculate/guess Vrms input?
  100. Before you mock me....
  101. New Dual Mono Super BA-3
  102. Two balanced line receivers (switched) at one balanced input
  103. Walt Jung circuit
  104. Unbalancer - user experience
  105. Help, I need to build a signal pad, I want it to be perfect, looking for advice.
  106. Amp Selector Switch - multiple amps, rotary switch
  107. Open Source Remote Control
  108. Another B1 buffer PCB design question
  109. Quad, DIP op amp selection
  110. Input selector provokes oscillation
  111. Aikido Tube buffer stage cathode follower
  112. Doing an analog linear phase crossover
  113. L-C-R RIAA, replacing the L with a gyrator?
  114. LR4 SMD filter project
  115. Linn Kairn schematic?
  116. Volume control for Modulus86
  117. EMU 1616m preamp squealing
  118. Phono stage recommendation
  119. Capacitor on "ground" interconnection to block "ground" DC voltage
  120. tda7052 as volume controll/preamp ?
  121. Help to build a Passive Balanced Preamplifier (Volume control)
  122. Optimal Volume Pot Resistance Question.
  123. How to reduce a preamp output voltage?
  124. Radio Tuner Phono Switcher Box
  125. Linkwitz-Riley 24 dB/Octave pcb
  126. Low pass filter circuit design
  127. Preamp input diagnosis
  128. Modifying a Class A preamplifier design for more gain
  129. PRO 2 or 3 way 4th order crossover.
  130. Those tiresome RCA/chinch
  131. Simple mic preamp
  132. Power supply dilemma for 8-channel mic pre
  133. NAD 1020 replace potentiometers tones!!
  134. Mic cable as single ended interconnects
  135. Layman's question for the pros
  136. Active volume control with balanced output using 2 op-amps
  137. Great American Sound Thalia 1 Service Info
  138. Too much signal voltage...
  139. Impedance matching - Source / Attenuator / Amp
  140. DIY Sine Wave Oscillator Trouble
  141. What is the maximum gain for 1 op amp stage?
  142. What is the consequence of this wiring scheme? (With tangential "extra trace"?)
  143. preamp relay driver needed
  144. Buffer output for PCM1794A
  145. Lemonstre at linelevel
  146. Large band para eq - optimisations and smd pcb ?
  147. Passive line level crossover, different impedance amps
  148. TI Active volume control board...tipd136
  149. carlos Jfet pre voltage questions
  150. Looking for basic source mixer for home system
  151. Help needed for calaculate cutoff frequency ?
  152. Critique this noninverting opamp buffer/amplifier please? Almost time to build...
  153. the "JB" 3-stage Phono Preamp
  154. Preamp does not mute.
  155. 9 Pin1/4" inputjack for Soho tube Preamp
  156. Great American Sound Thaila 2 Setup Procedure
  157. Need a simple pre-amp, quick!
  158. Adding a (variable) gain boost to this non-inverting opamp buffer circuit?
  159. Klotz IC cables - opinions on specific types
  160. Matching I/O Impedance - How to?
  161. Equalizer and tone control circuit used in Dj mixer
  162. High performance subwoofer filter circuit(low pass) to your audio amp
  163. Unity gain opamp circuit
  164. Looking for a Cheap, simple Opamp gain stage
  165. Phantom Powered Stereo DI
  166. Why so difficult; It's just a switch
  167. Buzzing passive pre-amp
  168. do i need a preamp for a passive mixer?
  169. Wire gauge for amplifier's signal level input.
  170. CD Line out - PC sound
  171. Phono pre with Jfet and then ad815 at the second stage..
  172. Replacement for Monacor's RCA Connector T-724G wanted
  173. synare clone kit
  174. Full-Analog Arduino(or embedded)-CTRL 2wayCrossover
  175. Line Level Transformer Impedance
  176. Need help with schematics
  177. Luminous Axiom Passive Pre with 2 Outputs - Dumb Question
  178. how to remote control a rotary switch
  179. NE5532 preamp questions
  180. Using O2 as preamp
  181. 0.005% Distortion Tone Control Preamp, NJW1119A Chipset
  182. Low pass filter for subwoofer.
  183. Getting 10-15 dB gain from an opamp buffer circuit?
  184. Simple Volume Knob&Limiter?
  185. Phono card as standalone unit
  186. Passive Preamp schematic for multiple inputs and 2 outputs - help?
  187. 3-way input audio input switching board (ebay)
  188. mixer line in gain control
  189. Single ended Baxandall control - offset on pots
  190. HK825 replace Balance Pot
  191. Simple attenuation needed
  192. Looking for circuit improvement advice(Precision Fidelity C8)
  193. pre-amp with 2 stages adjustable gain
  194. portable discrete mic preamp
  195. Preventing source selector 'thump' using transformer?
  196. Bass loss after static shock - HELP
  197. First post
  198. R-2R attenuator PCB layout question
  199. Using 2SK170/J74BL in Ebay JC-2 "Clone"
  200. Is this signal path correct?
  201. Op amp band pass filter connection problems
  202. lpf calculator
  203. impedance matching question
  204. Custom 6H30 linestage
  205. DIY microphone preamp for Monacor MCE-404U capsule
  206. AD815 or THS6012 pros and cons
  207. What is the impedance out of a voltage divider?
  208. Phono Preamp Question...
  209. Analogue Parametric EQ - Calrec Polar...
  210. Sony pcm 7010 - XLR to RCA input
  211. TDA1524A preamp
  212. Wishlist: Op Amp Characterization Curves in Datasheets
  213. Parametric Mid EQ Pot Wiring
  214. Need PS Audio PS IV schematic
  215. Adding Balanced Outputs Psuedo or Real?
  216. Sending an A/V multi channel pre out into another A/V line in?
  217. Copper purity of Cat-5e cable ?
  218. Balance control?
  219. Input/output transformer question
  220. Equalizing the midrange out of a small Radio Shack driver
  221. what ohmage potentiometer for line out volume control?
  222. preamp signal powered down amp
  223. Passive Balanced Attenuator (between Pre & Power)
  224. Best way to add stereo subwoofer pre-outs to existing DAC/preamp?
  225. iPhone Line Out to Car Amp
  226. Is LR4 phase shift audible
  227. line preamp /buffer /module
  228. Please evaluate this RIAA schematic (njm4580)
  229. Praamp crackling
  230. Buffer Jfet
  231. Onkyo SC-901 crossover rebuild(upgrade)
  232. Art Tube MP Help!
  233. How is the sound of the Radford ZD22 preamp compared to modern high-end preamps ?
  234. from stereo to mono (subwoofer) passive adder ?
  235. Newbie Question: Troubleshooting Simple Line Mixer
  236. About preamp circuits improvements
  237. Noob Question: Electros in signal path
  238. Passive or feedback RIAA network tube phono pre?
  239. THAT1606 based line buffer for balanced guitar - Vero design okay?
  240. Attenuating line level signal with buffer vs. resistor...
  241. New Guy Needs Help With Optimus 31-2025 Graphic Equalizer
  242. Preamp: opamp low pass filter for PS noise
  243. I could use some help on a PS Audio Preamp
  244. another opamp based preamp
  245. Comment on Grounding Scheme?
  246. Radio Shack experimenter kits
  247. Crossover for Scan Speak 6000 tweeter.
  248. Neutrik nte 10/3 help
  249. RCA to XLR
  250. BBE XR-5383 chip

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