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  1. Help needed for Krell krs-1a preamp
  2. power conditioner project anyone ??
  3. DQ-LP1 Help
  4. upgrading active xover with LM4562
  5. 48VDC Phantom Power switch - seeking advice
  6. Rotel RTC-970 - Remote Controller RR970
  7. bi-amp'd, with passive mid/high ??
  8. Interesting Interconnect Cables
  9. Hum in RC cable
  10. Help for upgrading Pioneer receiver
  11. My attempt at a Monitor Volume Control with headphone outs
  12. Pumpkin Problems
  13. Rod Elliot - Audio Mixing Console (HELP!!)
  14. looking for a 3 way active crossover for diy powered speaker
  15. RFI woes
  16. need info on preamps for use on baf1
  17. Mixer Channel for observation
  18. Help With Existing Crossover Points
  19. stepped aattenuator - stop pops
  20. Adcom GFP-565 Input Selector
  21. Subsonic Filters & Film Caps
  22. DIY build of the Pioneer C-21 preamplifier
  23. Preamplifier with integrated circuits
  24. mixer circuits (looking for simple, but very high quality)...
  25. Subwoofer circuit: Going from speaker level to line level
  26. Adding Phantom Power to old board?
  27. Designing a versatile pre with balanced and unbalanced in/out
  28. Help Pls - Coupling Capacitor
  29. How to pick a good audio transistor?
  30. Volume control question
  31. Loudness stage
  32. Electret microphone Pre-amp
  33. Gold pin tube : does it really matters ?
  34. Mic preamp and high/low impedance technical question
  35. Studiomaster 16 x 4 Console
  36. Portable EQ? - Battery Power & SMALL
  37. DIY Tube Equalizer
  38. Using INA217 for Microphone Pre-amp
  39. Here's my DIY passive attenuator / pre / integrated DAC
  40. Basic questions on passive line-level XOs and with bi-amping
  41. Perreaux SM2 Custom
  42. Luxman A522 tonearm?
  43. passive switcher/splitter for monitor controller
  44. XO Components
  45. balanced to unbalanced convertor
  46. CD vs LP
  47. Stan Curtis site
  48. Counterpoint 5.1 Issue
  49. Ebay preamp FET
  50. Some help with high end input selector.
  51. Crossover help!!
  52. Help With Crossover 3-Way Seas 9.1 Home Theater
  53. Simple, good quality equalizer?
  54. Passive Balanced switching and Relay questions!!
  55. Preout mod
  56. remote control unit
  57. Schematic For Vendetta Xover
  58. One of best sounded Line Pre-/RIAA Head Amp from PureAudio-who have heard ?
  59. LDR att. L+R imbalance?
  60. Schematics needed for 3V 1KHz Sine wave generator
  61. is this a balanced input preamp? help m please?
  62. Copland CTA305 schematic
  63. just got a B&K CS-117, lets take a look inside...
  64. Diamond buffer kits any good for preamp?
  65. Analog Multichannel like ProLogic and ProLogic 2 (II) which professional Models
  66. JC-80 eBay PCBs
  67. Connecting many audio output devices to one input device
  68. BBE FJB-200X
  69. Help needed -Electrocompaniet EC4.7 preamp
  70. Improving rejection ratio of subtraction circuit
  71. Delay line for front channel
  72. Wireless analog connection TV -> amp?
  73. Op Amp Rail Splitter Question
  74. Substitution for NEC MuPC812C IC in Nakamichi CA-7A?
  75. Preamp Impedance Question
  76. tone control schematics please
  77. Avoid Potential Groundloop Problems in Headphone Amp
  78. DIY Input isolation filter
  79. Vishay/Dale RN60C or RN55E?
  80. Software for RIAA
  81. RTP3D instructions
  82. Adding an fx send/return to a mixer
  83. lme49710 preamp from china
  84. High gain pre amp noise problems.
  85. New black Jolida JD9 w pics.
  86. Math expression for parametric EQ project
  87. Passive Balanced Volume Control Questions
  88. XLR switcher
  89. Building a Stereo Equalizer
  90. Phase extraction!!!
  91. Is the blue velvet Alps still best price/performance pot?
  92. Preamp Capacitor Questions
  93. Yamaha Promix 01
  94. Q: Converting 5k pot to 20k pot
  95. Anthem D2v Mod
  96. (minimal) speaker level vs. line level high pass filter
  97. Passive Preamp?
  98. Need help troubleshooting PreAmp build
  99. prototype preamplifier
  100. voltage levels for line outs??
  101. Bottlehead Quickie
  102. NJM4580V MSOP in pre for recording?
  103. Attenuator / Pre-amp for Behringer A-500
  104. DIY-unidirectional electrect condenser microphone.
  105. Dahlquist DQ LP1
  106. 5-pin din input connector convert to rca
  107. LDR Based Input Selection
  108. Phantom Power MSOP op-amps
  109. PPS-Caps
  110. Bypassing a receiver's internal amp
  111. Ladder or Series Attenuator for volume?
  112. Active variable Low-Pass Filter 55-110 Hz
  113. Extremely Frustrated!!! Why won't my amp get loud!?!?!
  114. Parametric EQ problems
  115. radford pre Zd22
  116. how test electronic crossover without any instruments?
  117. High freq filtering of a (guitar) preamp?
  118. Floating Differential Signal
  119. 8-channel stereo line level switch
  120. Pre Amp/ line Problems... Help :/
  121. cd preamp for jlh69
  122. Two RCA Outputs into One! HOW TO!?
  123. A.C vs D.C coupling
  124. Passive Crossover for Loudspeakers? HELP!
  125. Passive Crossover for Loudspeakers? HELP!
  126. Inductor wiring for crossover
  127. Place amps next to rca inputs in enclosure?
  128. 3 BAND TONE CONTROL
  129. Signal Path Components
  130. Preamplifier
  131. A Different Opamp Compensation Technique.
  132. Preamp / Passive, for Biamp
  133. Pre-Amp earthing concern
  134. LDR as buffer ?
  135. Passive Line level crossover and input impedance *Help*
  136. Switchable balanced / unbalanced input buffer
  137. VOLUME CONTROL PASIVE !
  138. Dual I/V stage implementation for Buffalo II & III
  139. Problem with passive preamp HELP!!!
  140. JFET follower (Xenover) with MOX like setup?
  141. A excellent Pre-amp
  142. A little problem with Op-Amp
  143. Best volume kit on the market
  144. Best Pre amp Kit on the market
  145. ESP Project 104 muting problem
  146. How many times can you split a line level output?
  147. Can someone help me make a parallel line level buffer/head phone driver circuit
  148. Repair and Restore Phase Linear 4000 series 2
  149. RCA to XLR Converter
  150. audio reserach d100 am1 am2 modules
  151. Need help with Pass B1 Buffer
  152. frequency control of higher order filter with mono pot
  153. Mark Levinson Cables CEMAC
  154. DI Box question
  155. Help me measure line levels
  156. Pre-Amp with tone control
  157. wiring a dual gang pot
  158. Using digital interconnect as analog interconnect
  159. Help with playing analogue through computer, pls...
  160. Help needed with pcb design!
  161. Preamplifier
  162. My pre-amp/DAC/Phono/Headphone build
  163. not balance sound on tube pre-amp
  164. passing audio through unused telephone connection
  165. help designing RC level isolation transformer
  166. Selector switch questions
  167. dual ganged pot
  168. Phono Preamp for Creamic Cartridge
  169. What type of wire for signal in?
  170. Need help with single supply conversion
  171. Shunted pot?
  172. New to this so be gentle: Want to mod a Audio Control EQX
  173. XLR Selector Box
  174. Opamp for Mic preamp
  175. xlr to pc-soundcard
  176. Wiring unbalanced with XLR instead of RCA
  177. Electronic volume control idea
  178. Trying to separate signal and voltage ground: Am I thinking it right?
  179. Trying to separate signal and voltage ground: Am I thinking it right?
  180. High voltage mosfet buffer
  181. unbalanced to balanced conversion
  182. High End Tone Control
  183. DVD/CD Audio Out Control ?
  184. Stepped-Attenuators = Thin Lower-Mids?
  185. ANN: LF01 Discrete/Hybrid Opamp Module
  186. transformer coupled output= dc block?
  187. searching for amplifier distributer with more than 20 db bass mid treble tone control
  188. Does anyone use a MiniDSP 2x8 as a preamplifier?
  189. MARK LEVINSON ML-10
  190. "Reverse" Linkwitz Transform
  191. Active crossover for subwoofer
  192. 2 way crossover build (diy first timer)
  193. The joys of Transformer Volume Control maintenance - 23 pole switch replacement
  194. Current feedback composite amplifiers
  195. Ovation Line Pre-Amp
  196. Amplifier XO simulation in WinISD
  197. Phase inverting / not inverting preamplifier
  198. Help a Newb add preamps to his receiver.
  199. DS1802 and CD4052 mux problems
  200. Preamp kit $150-$300
  201. help modifying my Phono-stage
  202. what are you thoughts on zstage from decware?
  203. Help needed with Paul Hynes VCCS
  204. Diy line mixer
  205. help pls...about crossover watts
  206. Problem with DS1802 digital volume control IC
  207. How much overhead is required
  208. multiple feedback low pass filter question
  209. Pre-amp transistor based for dynamic mic
  210. Basic pre-amp for DMX controller
  211. Recapping Linn Linto
  212. Lightspeed Attenuator needs a buffer??? Try these.
  213. anyone modded their musical fidelity V-LPS?
  214. Low audio frequency cutoff filter
  215. Not thrilled with sound of 4562 in active xovers
  216. Tube preamp diy kit
  217. Can somebody please check over my crossover
  218. No Name Pre
  219. Can I do that subs 12ax7 with 12at7
  220. Notch Filter
  221. Swapping Op-Amps... you have checked to see it's stable haven't you ?
  222. wiring input for 4 ch 41hz amp9b
  223. Q_Dispre
  224. Volume & selector controller with 5x7 dotmatrix display for tube/transistor amplifier
  225. why would +ve regulator output -ve voltage? ?
  226. suhr preamp
  227. DIY mixer first project
  228. what is R and C in series to ground?
  229. E.C Audio Finestra Preamp
  230. converting passive xo to line level passive OR salen key? any advice?
  231. Slow ramp up/fast ramp down 48V phantom power (circuit design)
  232. Mic Preamp Buffer
  233. Rotel RC 970 BX MK II - Service Manual
  234. Help needed for tone control circuit
  235. Descrete jFET versus IC op-amp quality
  236. A New approach of Volume Control: AAVA (Accuphase Analog Vari-gain Amplifier)
  237. 8-way (remote) volume control
  238. Remote Controlled (RC) Volume Control Kits - Overview wanted
  239. what causes a big soundstage (audio research)
  240. Passive low-pass passive for line input - 2nd part
  241. Alpine ERE-G180 and G190 schematics
  242. Riaa capacitor voltage ratings
  243. THAT 1510/1512 op-amps
  244. Quality line attenuator?
  245. Passive low-pass passive for line input
  246. Yamaha C-65
  247. Preamp A - 15 : Mark Levinson No. 20.5 Derived
  248. 12az7a phono stage-12ay7a line stage
  249. Relays for ESP P125 (4-way LR crossover board)
  250. 3 band eq with paramertic

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