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  1. Yamaha Promix 01
  2. Q: Converting 5k pot to 20k pot
  3. Anthem D2v Mod
  4. (minimal) speaker level vs. line level high pass filter
  5. Passive Preamp?
  6. Need help troubleshooting PreAmp build
  7. prototype preamplifier
  8. voltage levels for line outs??
  9. Bottlehead Quickie
  10. NJM4580V MSOP in pre for recording?
  11. Attenuator / Pre-amp for Behringer A-500
  12. DIY-unidirectional electrect condenser microphone.
  13. Dahlquist DQ LP1
  14. 5-pin din input connector convert to rca
  15. LDR Based Input Selection
  16. Phantom Power MSOP op-amps
  17. PPS-Caps
  18. Bypassing a receiver's internal amp
  19. Ladder or Series Attenuator for volume?
  20. Active variable Low-Pass Filter 55-110 Hz
  21. Extremely Frustrated!!! Why won't my amp get loud!?!?!
  22. Parametric EQ problems
  23. radford pre Zd22
  24. how test electronic crossover without any instruments?
  25. High freq filtering of a (guitar) preamp?
  26. Floating Differential Signal
  27. 8-channel stereo line level switch
  28. Pre Amp/ line Problems... Help :/
  29. cd preamp for jlh69
  30. Two RCA Outputs into One! HOW TO!?
  31. A.C vs D.C coupling
  32. Passive Crossover for Loudspeakers? HELP!
  33. Passive Crossover for Loudspeakers? HELP!
  34. Inductor wiring for crossover
  35. Place amps next to rca inputs in enclosure?
  36. 3 BAND TONE CONTROL
  37. Signal Path Components
  38. Preamplifier
  39. A Different Opamp Compensation Technique.
  40. Preamp / Passive, for Biamp
  41. Pre-Amp earthing concern
  42. LDR as buffer ?
  43. Passive Line level crossover and input impedance *Help*
  44. Switchable balanced / unbalanced input buffer
  45. VOLUME CONTROL PASIVE !
  46. Dual I/V stage implementation for Buffalo II & III
  47. Problem with passive preamp HELP!!!
  48. JFET follower (Xenover) with MOX like setup?
  49. A excellent Pre-amp
  50. A little problem with Op-Amp
  51. Best volume kit on the market
  52. Best Pre amp Kit on the market
  53. ESP Project 104 muting problem
  54. How many times can you split a line level output?
  55. Can someone help me make a parallel line level buffer/head phone driver circuit
  56. Repair and Restore Phase Linear 4000 series 2
  57. RCA to XLR Converter
  58. audio reserach d100 am1 am2 modules
  59. Need help with Pass B1 Buffer
  60. frequency control of higher order filter with mono pot
  61. Mark Levinson Cables CEMAC
  62. DI Box question
  63. Help me measure line levels
  64. Pre-Amp with tone control
  65. wiring a dual gang pot
  66. Using digital interconnect as analog interconnect
  67. Help with playing analogue through computer, pls...
  68. Help needed with pcb design!
  69. Preamplifier
  70. My pre-amp/DAC/Phono/Headphone build
  71. not balance sound on tube pre-amp
  72. passing audio through unused telephone connection
  73. help designing RC level isolation transformer
  74. Selector switch questions
  75. dual ganged pot
  76. Phono Preamp for Creamic Cartridge
  77. What type of wire for signal in?
  78. Need help with single supply conversion
  79. Shunted pot?
  80. New to this so be gentle: Want to mod a Audio Control EQX
  81. XLR Selector Box
  82. Opamp for Mic preamp
  83. xlr to pc-soundcard
  84. Wiring unbalanced with XLR instead of RCA
  85. Electronic volume control idea
  86. Trying to separate signal and voltage ground: Am I thinking it right?
  87. Trying to separate signal and voltage ground: Am I thinking it right?
  88. High voltage mosfet buffer
  89. unbalanced to balanced conversion
  90. High End Tone Control
  91. DVD/CD Audio Out Control ?
  92. Stepped-Attenuators = Thin Lower-Mids?
  93. ANN: LF01 Discrete/Hybrid Opamp Module
  94. transformer coupled output= dc block?
  95. searching for amplifier distributer with more than 20 db bass mid treble tone control
  96. Does anyone use a MiniDSP 2x8 as a preamplifier?
  97. MARK LEVINSON ML-10
  98. "Reverse" Linkwitz Transform
  99. Active crossover for subwoofer
  100. 2 way crossover build (diy first timer)
  101. The joys of Transformer Volume Control maintenance - 23 pole switch replacement
  102. Current feedback composite amplifiers
  103. Ovation Line Pre-Amp
  104. Amplifier XO simulation in WinISD
  105. Phase inverting / not inverting preamplifier
  106. Help a Newb add preamps to his receiver.
  107. DS1802 and CD4052 mux problems
  108. Preamp kit $150-$300
  109. help modifying my Phono-stage
  110. what are you thoughts on zstage from decware?
  111. Help needed with Paul Hynes VCCS
  112. Diy line mixer
  113. help pls...about crossover watts
  114. Problem with DS1802 digital volume control IC
  115. How much overhead is required
  116. multiple feedback low pass filter question
  117. Pre-amp transistor based for dynamic mic
  118. Basic pre-amp for DMX controller
  119. Recapping Linn Linto
  120. Lightspeed Attenuator needs a buffer??? Try these.
  121. anyone modded their musical fidelity V-LPS?
  122. Low audio frequency cutoff filter
  123. Not thrilled with sound of 4562 in active xovers
  124. Tube preamp diy kit
  125. Can somebody please check over my crossover
  126. No Name Pre
  127. Can I do that subs 12ax7 with 12at7
  128. Notch Filter
  129. Swapping Op-Amps... you have checked to see it's stable haven't you ?
  130. wiring input for 4 ch 41hz amp9b
  131. Q_Dispre
  132. Volume & selector controller with 5x7 dotmatrix display for tube/transistor amplifier
  133. why would +ve regulator output -ve voltage? ?
  134. suhr preamp
  135. DIY mixer first project
  136. what is R and C in series to ground?
  137. E.C Audio Finestra Preamp
  138. converting passive xo to line level passive OR salen key? any advice?
  139. Slow ramp up/fast ramp down 48V phantom power (circuit design)
  140. Mic Preamp Buffer
  141. Rotel RC 970 BX MK II - Service Manual
  142. Help needed for tone control circuit
  143. Descrete jFET versus IC op-amp quality
  144. A New approach of Volume Control: AAVA (Accuphase Analog Vari-gain Amplifier)
  145. 8-way (remote) volume control
  146. Remote Controlled (RC) Volume Control Kits - Overview wanted
  147. what causes a big soundstage (audio research)
  148. Passive low-pass passive for line input - 2nd part
  149. Alpine ERE-G180 and G190 schematics
  150. Riaa capacitor voltage ratings
  151. THAT 1510/1512 op-amps
  152. Quality line attenuator?
  153. Passive low-pass passive for line input
  154. Yamaha C-65
  155. Preamp A - 15 : Mark Levinson No. 20.5 Derived
  156. 12az7a phono stage-12ay7a line stage
  157. Relays for ESP P125 (4-way LR crossover board)
  158. 3 band eq with paramertic
  159. tetra phono stage values
  160. Preamp improvements/suggestions
  161. Cascaded Notch filters
  162. Please help: building a notch filter
  163. Help me replacing a (they dont have that) op ic
  164. Improved LDR Volume Control
  165. Mods Xiang Sheng 728A
  166. Ultra-fine level setting
  167. line volume knob
  168. Behringer CX2310 Toroid wiring
  169. Richard Fordham 5.1 Volume Control
  170. INA217 mic preamp critique and questions
  171. Modular Balanced Preamp
  172. Primare i21 broken, no sound
  173. Jfet Preamp Calculator
  174. Use of ferrite beads / core on screened cables
  175. Tube Nube! Where to start,,
  176. [Help] Vintage preamp worth to buy ?
  177. HI-FI Magazine Pre-amp
  178. Basic attenuator question
  179. Jfet folded cascode with diamond buffer opamp
  180. Impedance matching LoZ source HiZ inputs
  181. Gain stage for SS phono
  182. Measuring platter speed.
  183. Budget "passive preamp"
  184. Sansui SP-220 Tube Preamp
  185. Preamp for Piezo cello bridge
  186. Mixer Section explanation help needed.
  187. What is a good 1st order Good Band pass?
  188. Preamp: Comparing LDR and buffered LDR
  189. BTL to Balanced Conversion
  190. REGA CURSA CIRCUIT
  191. Questios about designing with opamps
  192. Preamp from Velodyne HGS line
  193. Using PGA23XX with dac with dc offset
  194. Instrumentation Amp: Input Resistors?
  195. Mic pre amp Problem
  196. please help me
  197. Output transformer in reverse to drive a piezo disk
  198. add a volume control to a dac with dc offset
  199. How to switch phantom power?
  200. zoe tsang simple opamp preamp/buffer kit on ebay
  201. Impedance of parallel transformers
  202. External tunable X-Over
  203. sound of discrete opamps
  204. Big Dumb Input Selector
  205. DIY Line preamp sugestions, 10meter cables
  206. which tube preamp kit for newbie
  207. EQ Circuit before or after crossover circuit ??
  208. Schematic needed panasonic RX-1230 schematic
  209. Passive 16 channel summing mixer
  210. schematic needed: 3 band equaliser + gain stage
  211. Quick question on pots for guitar pre
  212. Counterpoint SA5 Phono Channel Out... Help!
  213. Help with Op Amp outamp
  214. Discrete dual-opamp DIP08 module (jcx topology)
  215. Preamp disappointment and passive mod???
  216. Need help with volume control
  217. Solid State Pre Amp with Tube Amp - Pointless?
  218. Touch-sense/remote active/passive preamp
  219. Summing Mixer and Headphone amp...
  220. Linkwitz-Riley low pass, strange distortion?
  221. Cauer / Elliptic Filter design program
  222. do I need vintage preamp?
  223. Optical Attenuator on the Cheap
  224. CDP output enough for line-level active crossover?
  225. Replacing Samson S 3-way Xover Op amps
  226. Any Semi Manufacturers Better Than Others?
  227. Help me to Build Tube Preamp with Phono
  228. Need audio input indicator
  229. Where do I put the subwoofer volume control potentiometer?
  230. XLR to RCA I/O with Aleph Pre, Acurs Amp, X-OVR and Nak Dragon
  231. microphone echo & delay fx circuit
  232. 3 band eq using jfet transistors
  233. compenstation cap for 2nd order allpass delay circuit
  234. Recommend a DIY pre-amp for use with Hypex UCD modules
  235. Just passing my PLXXO and trafo design by the experts :)
  236. Line stage cap recommendations
  237. AGC automatic gain controler
  238. High quality capacitors for crossovers?
  239. Organizing Components for Low Noise?
  240. fender tmb circuit
  241. 3 band eq
  242. Is This Preamp Okay?
  243. Need a preamp for my sub
  244. Cello Audio Palette
  245. Questions on xover and preamps.
  246. INA134, balanced an unbalanced, normal phase and inverted phase
  247. Help! needed a mic preamp for amplifier
  248. Passive Preamp - Grounding plan
  249. +/- 0.3V bumps on my ground
  250. Yet another preamp...

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