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  1. PGA2311 kit issue
  2. INA217 mic preamp for computer
  3. Converting JBL 5600-2B mixer for direct outs
  4. Sherbourn 7020
  5. A Targeted Preamp for Unbalancing and Phantom Powering
  6. Volume control - can someone explain for me please?
  7. Analog audio effects and synths
  8. android arduino digital pot
  9. Parasound hca-1000a preamp needed?
  10. Grounding Issue DAC Preamp
  11. Pre-amp - output caps swap
  12. An honest opinion over this dyn. mic. preamp Please
  13. Upcoming Volume/Selector w/Ground Isolation
  14. Failure or not?
  15. Trouble driving line level with That 1512/1646 combo
  16. V-Cap OIMP Who was listening ?
  17. TDA 1524 tone control
  18. Art project needs help! Line-level splitting...
  19. Warm Audio EQP-WA Tube Equaliser
  20. TKD 2P-2511S - 21 steps replacement AN Kit One
  21. Adding a DAC to tube mixer
  22. Need advice choosing a pre-out voltage booster, mixer, etc.
  23. Opamp input buffer choices
  24. diy custom remote for my preamp
  25. Stereo to Mono Converter
  26. Tone control TL074
  27. VU meter indicator signal levels
  28. How to Null the output of a diff amp please?
  29. Passive Preamp: Arduino based, remote control, Relay R2R, input selection
  30. Great American Sound MM Phono
  31. Modded Kawai mixer
  32. XLR to RCA adapter causes gross amounts of distortion...
  33. Hypex UcD400 OEM unbuffered input?
  34. Great American Sound Head Amp
  35. My active crossover filter project.
  36. Vicol Audio R2R Volume controller Builds
  37. Looking for tone Control using 4558 opamp
  38. Audiolab 8000C - modify or start again?
  39. Pre-amp mods - new opamp caps position?
  40. 3rdOrderAllpass_HowTo: calculate delay
  41. Help with Jung AD744/811 PCB Layout
  42. determine element value for the pre-amp package I am working on
  43. need help with car ampifier preamp section
  44. Thoughts on reduction of 2nd order harmonic distortion
  45. HK citation 17- new output relay switch
  46. Not Equal Slope of Active Crossover at Same Cut Of Frequency
  47. Soundcard buffer critique, please?
  48. A little advice regarding boosted op amp
  49. preamp/buffer for TA2020/2024
  50. Building a decent input switcher
  51. crossover: series vs paraller effect on load impedance
  52. "NOOB" needs help with tube preamp build
  53. SSL xlogic alpha vhd pre phantom problem
  54. "All at once" IC Phono Stage circuit
  55. Phono stage on ebay (stolen trademark)
  56. INA217 preamp OPA question
  57. PGA 2310 kit
  58. FM Reception Trouble
  59. Help with older Claricon mixer
  60. Single-supply buffer help
  61. minimum preamp output impedance
  62. MXL V69 doesn't work
  63. speaker setup xo help
  64. LCDuino (arduino) R2R relay preamp
  65. My PGA2310 Box
  66. Recommend a Tube buffer for use in product
  67. Spice transistor parameters?
  68. Pre-amp for electret mic capsule->PC input
  69. Good audio with LDR's
  70. Balanced Preamp for bi-amping
  71. dynamic mic to electret input, with splitter
  72. 'slow down' ad797
  73. Linear DAC power supply
  74. VC23 PGAVOL using PGA2310
  75. Help needed designing signal switching circuit
  76. VU Meter XXL with LED Stripe
  77. DC offset from the line level stage.
  78. Anyone have information about Da Vinci Transformer Passive Preamp?
  79. Preamp needed?
  80. DAC to AMP clipping vs noise
  81. Input Select \ Fader IC
  82. Noisy trough
  83. Matching Pre & Power amp.
  84. mic mixer with echo/delay feature connection
  85. http://www.ebay.com/itm/NE5532-volume-control-board-10-times-pre-amp-ASSEMBLED
  86. Phase Inversion
  87. One pair of coupling caps on the input of my XO?
  88. Paralleling transistors for noise
  89. Op Amp rolling OPA627 unstable.
  90. Pitchfork pre-amplifier
  91. 34mm Large Mylar Capsule Diaphragm mic project
  92. XLR to RCA cable wiring
  93. Crown SL-2 Project
  94. Behringer CX2300 replace caps (values change)
  95. Potentiometer wattage
  96. Quick Question about "Grounds".
  97. Mic Preamp which should I make ?
  98. Summing Audio - is it really THAT easy? featuring: MIDIman
  99. McIntosh C504
  100. Cambridge 640
  101. Commercial crossover or DIY?
  102. MAX9632???
  103. please help me to calculate/guess Vrms input?
  104. Before you mock me....
  105. New Dual Mono Super BA-3
  106. Two balanced line receivers (switched) at one balanced input
  107. Walt Jung circuit
  108. Unbalancer - user experience
  109. Help, I need to build a signal pad, I want it to be perfect, looking for advice.
  110. Amp Selector Switch - multiple amps, rotary switch
  111. Open Source Remote Control
  112. Another B1 buffer PCB design question
  113. Quad, DIP op amp selection
  114. Input selector provokes oscillation
  115. Aikido Tube buffer stage cathode follower
  116. Doing an analog linear phase crossover
  117. L-C-R RIAA, replacing the L with a gyrator?
  118. LR4 SMD filter project
  119. Linn Kairn schematic?
  120. Volume control for Modulus86
  121. EMU 1616m preamp squealing
  122. Phono stage recommendation
  123. Capacitor on "ground" interconnection to block "ground" DC voltage
  124. tda7052 as volume controll/preamp ?
  125. Help to build a Passive Balanced Preamplifier (Volume control)
  126. Optimal Volume Pot Resistance Question.
  127. How to reduce a preamp output voltage?
  128. Radio Tuner Phono Switcher Box
  129. Linkwitz-Riley 24 dB/Octave pcb
  130. Low pass filter circuit design
  131. Preamp input diagnosis
  132. Modifying a Class A preamplifier design for more gain
  133. PRO 2 or 3 way 4th order crossover.
  134. Those tiresome RCA/chinch
  135. Simple mic preamp
  136. Power supply dilemma for 8-channel mic pre
  137. NAD 1020 replace potentiometers tones!!
  138. Mic cable as single ended interconnects
  139. Layman's question for the pros
  140. Active volume control with balanced output using 2 op-amps
  141. Great American Sound Thalia 1 Service Info
  142. Too much signal voltage...
  143. Impedance matching - Source / Attenuator / Amp
  144. DIY Sine Wave Oscillator Trouble
  145. What is the maximum gain for 1 op amp stage?
  146. What is the consequence of this wiring scheme? (With tangential "extra trace"?)
  147. preamp relay driver needed
  148. Buffer output for PCM1794A
  149. Lemonstre at linelevel
  150. Large band para eq - optimisations and smd pcb ?
  151. Passive line level crossover, different impedance amps
  152. TI Active volume control board...tipd136
  153. carlos Jfet pre voltage questions
  154. Looking for basic source mixer for home system
  155. Help needed for calaculate cutoff frequency ?
  156. Critique this noninverting opamp buffer/amplifier please? Almost time to build...
  157. the "JB" 3-stage Phono Preamp
  158. Preamp does not mute.
  159. 9 Pin1/4" inputjack for Soho tube Preamp
  160. Great American Sound Thaila 2 Setup Procedure
  161. Need a simple pre-amp, quick!
  162. Adding a (variable) gain boost to this non-inverting opamp buffer circuit?
  163. Klotz IC cables - opinions on specific types
  164. Matching I/O Impedance - How to?
  165. Equalizer and tone control circuit used in Dj mixer
  166. High performance subwoofer filter circuit(low pass) to your audio amp
  167. Unity gain opamp circuit
  168. Looking for a Cheap, simple Opamp gain stage
  169. Phantom Powered Stereo DI
  170. Why so difficult; It's just a switch
  171. Buzzing passive pre-amp
  172. do i need a preamp for a passive mixer?
  173. Wire gauge for amplifier's signal level input.
  174. CD Line out - PC sound
  175. Phono pre with Jfet and then ad815 at the second stage..
  176. Replacement for Monacor's RCA Connector T-724G wanted
  177. synare clone kit
  178. Full-Analog Arduino(or embedded)-CTRL 2wayCrossover
  179. Line Level Transformer Impedance
  180. Need help with schematics
  181. Luminous Axiom Passive Pre with 2 Outputs - Dumb Question
  182. how to remote control a rotary switch
  183. NE5532 preamp questions
  184. Using O2 as preamp
  185. 0.005% Distortion Tone Control Preamp, NJW1119A Chipset
  186. Low pass filter for subwoofer.
  187. Getting 10-15 dB gain from an opamp buffer circuit?
  188. Simple Volume Knob&Limiter?
  189. Phono card as standalone unit
  190. Passive Preamp schematic for multiple inputs and 2 outputs - help?
  191. 3-way input audio input switching board (ebay)
  192. mixer line in gain control
  193. Single ended Baxandall control - offset on pots
  194. HK825 replace Balance Pot
  195. Simple attenuation needed
  196. Looking for circuit improvement advice(Precision Fidelity C8)
  197. pre-amp with 2 stages adjustable gain
  198. portable discrete mic preamp
  199. Preventing source selector 'thump' using transformer?
  200. Bass loss after static shock - HELP
  201. First post
  202. R-2R attenuator PCB layout question
  203. Using 2SK170/J74BL in Ebay JC-2 "Clone"
  204. Is this signal path correct?
  205. Op amp band pass filter connection problems
  206. lpf calculator
  207. impedance matching question
  208. Custom 6H30 linestage
  209. DIY microphone preamp for Monacor MCE-404U capsule
  210. AD815 or THS6012 pros and cons
  211. What is the impedance out of a voltage divider?
  212. Phono Preamp Question...
  213. Sony pcm 7010 - XLR to RCA input
  214. TDA1524A preamp
  215. Wishlist: Op Amp Characterization Curves in Datasheets
  216. Parametric Mid EQ Pot Wiring
  217. Need PS Audio PS IV schematic
  218. Adding Balanced Outputs Psuedo or Real?
  219. Sending an A/V multi channel pre out into another A/V line in?
  220. Copper purity of Cat-5e cable ?
  221. Balance control?
  222. Input/output transformer question
  223. Equalizing the midrange out of a small Radio Shack driver
  224. what ohmage potentiometer for line out volume control?
  225. preamp signal powered down amp
  226. Passive Balanced Attenuator (between Pre & Power)
  227. Best way to add stereo subwoofer pre-outs to existing DAC/preamp?
  228. iPhone Line Out to Car Amp
  229. Is LR4 phase shift audible
  230. line preamp /buffer /module
  231. Please evaluate this RIAA schematic (njm4580)
  232. Praamp crackling
  233. Buffer Jfet
  234. Onkyo SC-901 crossover rebuild(upgrade)
  235. Art Tube MP Help!
  236. How is the sound of the Radford ZD22 preamp compared to modern high-end preamps ?
  237. from stereo to mono (subwoofer) passive adder ?
  238. Newbie Question: Troubleshooting Simple Line Mixer
  239. About preamp circuits improvements
  240. Noob Question: Electros in signal path
  241. Passive or feedback RIAA network tube phono pre?
  242. THAT1606 based line buffer for balanced guitar - Vero design okay?
  243. Attenuating line level signal with buffer vs. resistor...
  244. New Guy Needs Help With Optimus 31-2025 Graphic Equalizer
  245. Preamp: opamp low pass filter for PS noise
  246. I could use some help on a PS Audio Preamp
  247. another opamp based preamp
  248. Comment on Grounding Scheme?
  249. Radio Shack experimenter kits
  250. Crossover for Scan Speak 6000 tweeter.

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