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  1. Please help me to debug the Lighter Note Attenuator
  2. Yet another remote volume control
  3. Questions about AC coupling and opamp biasing
  4. Request for Guides/Explanation Regarding Audio Mixer Circuits
  5. Preamp mod with a low cut shelf filter
  6. Linn Kairn repair
  7. Filter Bass and treble to the input of a microprocessor
  8. unbalanced to balanced 4 ch kit
  9. I need a super bass tone control
  10. Active Crossover for Open Baffle 2-way
  11. Simplist and tiniest PGA2320 kit out there?
  12. Impedance matching and 30dB drop
  13. Are there many people using BNC out there? or RG6 Quad Shield?
  14. output level of dvd playre?
  15. Suggestions for dual PS
  16. Yet Another IR Remote Volume Controller? No, I want one WITHOUT uC
  17. best balanced volume control solution ?
  18. help with muting relay
  19. Need help: Input selector control for 6 channels
  20. Opamp rollers and fiddlers this is for you.
  21. Good quality active preamp
  22. Convert mini Pre-amp from AC to DC power
  23. Volume control, Evil Mad Scientist style
  24. McIntosh C28 With Bad Transformer
  25. analogue active filter: MFB or Sallen Key?
  26. Help with 6-Bit R-2R Relay Attenuator
  27. Current conveyor as a voltage amplifier
  28. DIY monitor controller modules order…
  29. Active crossover component suggestions?
  30. can a preamp be used directly for headphone?
  31. Sharing a Single Inductor for Multiple Passive LR Filters?
  32. Audio Research LS-3 power transformer
  33. Lil Pre Amp
  34. Preamp OP-AMP...help.
  35. looking to try to split 80hz from an active stereo 3 way
  36. PGA2311 LCD Volume Remote Control+GOLD RCA Jeff Rowland
  37. A new fully analog FM modulated wideband optical transport Open Standard.
  38. wiring schematic for DPDT on-on-on toggle selector
  39. Mods for Denon AVR receiver or pre-amp?
  40. Mods for Denon AVR receiver or pre-amp?
  41. A question of volume control
  42. Cable Questions
  43. Interconnect cable Recommendations
  44. Another simple project I can't do. Using DAC from CDP
  45. Can i make a balanced preamp only using OPA2134 ?
  46. When is the Aikido going to be on sale again? is there a group buy I can get in on?
  47. Swapping potentiometer
  48. What should I be searching for
  49. Signal booster for cd player
  50. Preamp output relay - or other device
  51. Matching my silonex LDR
  52. Ballanced Unballanced what does it mean??
  53. LP/HP crossover for 2.1 DIY preamp?
  54. Biamp EQ-210 as a "Studio" EQ?
  55. Current noise between DC coupled op amps?
  56. Soft Clipper Central Station?
  57. Request active sub xo schematic
  58. Multichannel splitter and gain structure control box
  59. compact stackable relay attenuator - something new
  60. DIY Crossover/Filter: Power Handling
  61. Getting to know the DOODs ...
  62. LED battery indicator
  63. LME49713
  64. Tube preamp kit from ebay - worth my time?
  65. small pre-amp control board design help, I will pay :-)
  66. Value of Stepped Attenuator for Passive Amp.
  67. Differential Line Driver - Impedance Questions
  68. opa 2889 buffer circuit
  69. Help needed with diy outpout switcher relay based
  70. How to make a volume control 50cm from pre-amp?
  71. MAT02 transistors on eBay, are they genuine?
  72. Newb interested in DIY preamp
  73. Help hooking up a car VU meter unit to a home AV reciever
  74. Modular Preamplifier with IC Class A (SAM Electronic Circuits)
  75. Discrete opamp vs regular op amps
  76. Bob Cordell's VinylTrak
  77. NE5532 Tone Control
  78. Muting arrangements for ESP kits: P05B and P09B
  79. Schematics for c3m based preamp
  80. TA 377A preamp
  81. preamp and active filter for class AB amp
  82. Getting a PGA2310 to be silent
  83. SPL EQ Magix studio mic preamp
  84. What's wrong with this typicial preamp circuit?
  85. How Many Line-Level Components?
  86. Need to make a simple balance control
  87. DRV134 and protection diodes
  88. Passive line level 3th order RC XO with no insertion losses?
  89. That 1646 balanced line driver PCB
  90. Help with a PLLXO
  91. LME49990 design note
  92. Cg in THAT 1512
  93. Transistor Preamp Design for ADC
  94. P1 preamplifier
  95. MUSES 72320 electronic volume
  96. DIY 1/2-inch Measurement Microphone
  97. Adcom GTP-450 - Right Channel Fades Out
  98. Passive pre for my AudioSector
  99. Capacitive crosstalk between input/output wiring
  100. Cantilevered-Cascode Buffer (CCB) aka LinuxBuffer
  101. Accelerometer to audiointerface
  102. Home Theater bypass for a tube pre amp - Help!!!
  103. Ultrabass, psychoacoutstic low bass for little speakers
  104. Discrete Opamp test circuits
  105. Inverted Polarity of tube Pre-Amps
  106. Looking For Someone To Build A Vandersteen X-2
  107. Configurable active crossover - Newbie jumping in feet first
  108. Mic Preamp Improvements? (Soundcraft 800B)
  109. electret mic preamp gain
  110. Question about active crossover
  111. Rod Elliott ESP opamp pre's question
  112. Design questions for opamp-based preamp
  113. Preamp with remote using radio not ir
  114. Squeaking Noise with 48V in DAV BG1
  115. I need mini Pre-amp board, please help
  116. IS THIS EARTH LOOP,LEAKING CAPS OR BROKEN LINK?
  117. looking to build a "classic" tube compressor
  118. lm833 single supply
  119. How to protect device from contamination through output
  120. Lundahl LL1545A hookup question...
  121. Inverting rail to rail unity buffer
  122. Subwoofer Controller Kit - Altronics Kit No K5562
  123. Replacement cap for Wima MKP10 0,047UF
  124. Programming of Oxmoor equalizers via PA-422
  125. Help in choosing a potentiometer as a "Passive preamplifier"
  126. Test IC TL074 CN
  127. Relay audio switcher
  128. Analog audio switcher
  129. BSS FDS 340 crossover
  130. Discrete Logic ABX Switch Box
  131. Audio System Controller
  132. the definitive opamp decouplig question
  133. buffer stages performance
  134. Rolling the RANE AC23
  135. Automatic Line level Attenuation Circuit
  136. Check my Opamp Preamp Please
  137. Choosing an active 3-way crossover
  138. Please suggest to me the best affordable LDR preamp kits
  139. Custom Rotary DJ mixer.
  140. Programmer-help for fleabay-remote-kit
  141. Wiring advice for internal pre amp inputs
  142. Discrete Opamp Open Design
  143. microprocessor And control
  144. Latest project.
  145. Remote control won't shut up
  146. Looking to DIY a DI box -10dBv to +4dBu
  147. pre amp suggestions, DIY or Non DIY, Im easy
  148. Musical Fidelity Pre Amp II
  149. Help with DIY passive balanced line level attenuator pads.
  150. RF-blocking???
  151. Jfet Line preamp, to cascode or not.
  152. Mic pre strange high-freq boost (what is broken here?)
  153. New pre amp coming. Change over to 115V help...
  154. XO of Mission 770mk2
  155. Equaliser design for a total n00b
  156. Trying to remote control volume on vintage HK
  157. Passive Pre Chassis and Budget Allocation
  158. Linkwitz Transforms
  159. INA217 is noisy
  160. need sound attenuator
  161. NAIM NAC 42.5 Vintage for my updated NYTECH CPA 602 - 2012
  162. Volume Control Problem
  163. Balanced Signal over 500 Metres!
  164. Single voltage powered Tone Control
  165. PGA2320 and Atmega8 Bascom Source Code Problem
  166. Tone Control Filter
  167. phase linear filters - any good?
  168. Summing (2x) opposite-phase signals with Transformers
  169. A circuit to monitor the analog audio line level
  170. diy Pre-amp question
  171. Critique please: Analogue -> Digital (TOS-LINK)
  172. Circuit Diagram wanted
  173. Xkitz 2-way Active Crossover Kit
  174. Need orientation with tweaking a TASCAM MF-P01
  175. Connecting Multiple op amp inputs from a single op amp output
  176. digital output
  177. Balanced Buffer Needed with a Balanced Volume Control?
  178. $150-200$ Preamp Build?
  179. Balanced tube preamplifier: suggestions?
  180. Adding summed output for sub
  181. Please help me understand this circuit...newbie here
  182. lpf and hpf setting.
  183. After search...need schematic to stereo preamp with only 4 bjt transistors
  184. Help with Zero Field input circuit
  185. The XCEN -- Balanced to Single Ended Converter
  186. Building active cross-overs into multiple power amps?
  187. "Firefly" Unity Gain Buffer
  188. Parasound P/LD 1500 hissing sound in left channel
  189. another studiomaster story
  190. Transformer with 3 secondaries
  191. Need sub woofer controller
  192. Subwoofer controller
  193. APT audio products
  194. how to hook up my preamp for recording??
  195. Class A preamp: please critique my circuit and give me helpful suggestions.
  196. Mixing slope types?
  197. Measuring Line Level Output?
  198. Buss Channel with Noise after wrong soldered bypass Cap.
  199. Volume pot for line level stereo
  200. Studiomaster 16-4
  201. Opinions: Class A Zen Preamplifier eBay Kit
  202. OpAmp based Summing circuit -- Is greater than Unity Gain here a technical problem?
  203. HELP differntial audio
  204. Part needed: Counterpoint SA-1000 tape/source toggle
  205. dc coupled aikido output?
  206. Ipod Stereo to mono summing
  207. DIY preamp component choice
  208. Velleman K8084 Earthing / Grounding
  209. Active Tone Control and preamp. Need help urgent!
  210. Repairing my balanced inputs
  211. Help with preamp build
  212. Tape out of passive preamp into passive preamp/remove resistors?
  213. SE-ONE Spatial Enhancer
  214. Potmeter to balanced amp= Hum; Help!
  215. LEDs as references in current sources
  216. Looking for inkel pp 821 pre amp service manual
  217. Original Mezmerize thread?
  218. Active xover help.
  219. The Effects Of High Resistance Interconnects
  220. dual balanced ne5534 schematic
  221. JA Pre and MyRef - FE Integration
  222. RFI filter and DC blocking cap
  223. Dyanmic mic to electret type input
  224. Help with audio test equipment design
  225. Simple precision constant current LDR controller
  226. How to control 10 pots in active cross?
  227. HF to LF shelving filter
  228. Lawo W990VS/9 - Connection Question
  229. GlassWare Audio
  230. Source select and passive volume for microcontroller-based preamp?
  231. Microcontroller stepped LDR
  232. Newbie question - PCB mounting
  233. PGA2310 based preamp+ remote
  234. Summing Amp Transformers
  235. Krell KSL AC Conversion 110 -> 240
  236. Insert-send to balanced converter
  237. That 1512 fixed gain follow by a second stage
  238. "Tape Out" on DIY Passive Pre
  239. Help to make a pcb for portable stereo preamp ?
  240. Modifying Maplin preamp kit
  241. Help choosing opamp for this circuit
  242. Help! Microphone impedance matching?
  243. adding opamp filter stage
  244. parametric filter to shelving
  245. opamps - fakes?
  246. combine active xo and parametric eq
  247. Discussion of CCS control for LED/LDR volume adjustment
  248. Small Signal Transistor and Diode Models from NXP
  249. Output Transformer Waveform- Is it good or not?
  250. TL082 Preamp Instability

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