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

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