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  1. A new fully analog FM modulated wideband optical transport Open Standard.
  2. wiring schematic for DPDT on-on-on toggle selector
  3. Mods for Denon AVR receiver or pre-amp?
  4. Mods for Denon AVR receiver or pre-amp?
  5. A question of volume control
  6. Cable Questions
  7. Interconnect cable Recommendations
  8. Another simple project I can't do. Using DAC from CDP
  9. Can i make a balanced preamp only using OPA2134 ?
  10. When is the Aikido going to be on sale again? is there a group buy I can get in on?
  11. Swapping potentiometer
  12. What should I be searching for
  13. Signal booster for cd player
  14. Preamp output relay - or other device
  15. Matching my silonex LDR
  16. Ballanced Unballanced what does it mean??
  17. LP/HP crossover for 2.1 DIY preamp?
  18. Biamp EQ-210 as a "Studio" EQ?
  19. Current noise between DC coupled op amps?
  20. Soft Clipper Central Station?
  21. Request active sub xo schematic
  22. Multichannel splitter and gain structure control box
  23. compact stackable relay attenuator - something new
  24. DIY Crossover/Filter: Power Handling
  25. Getting to know the DOODs ...
  26. LED battery indicator
  27. LME49713
  28. Tube preamp kit from ebay - worth my time?
  29. small pre-amp control board design help, I will pay :-)
  30. Value of Stepped Attenuator for Passive Amp.
  31. Differential Line Driver - Impedance Questions
  32. opa 2889 buffer circuit
  33. Help needed with diy outpout switcher relay based
  34. How to make a volume control 50cm from pre-amp?
  35. MAT02 transistors on eBay, are they genuine?
  36. Newb interested in DIY preamp
  37. Help hooking up a car VU meter unit to a home AV reciever
  38. Modular Preamplifier with IC Class A (SAM Electronic Circuits)
  39. Discrete opamp vs regular op amps
  40. Bob Cordell's VinylTrak
  41. NE5532 Tone Control
  42. Muting arrangements for ESP kits: P05B and P09B
  43. Schematics for c3m based preamp
  44. TA 377A preamp
  45. preamp and active filter for class AB amp
  46. Getting a PGA2310 to be silent
  47. SPL EQ Magix studio mic preamp
  48. What's wrong with this typicial preamp circuit?
  49. How Many Line-Level Components?
  50. Need to make a simple balance control
  51. DRV134 and protection diodes
  52. Passive line level 3th order RC XO with no insertion losses?
  53. That 1646 balanced line driver PCB
  54. Help with a PLLXO
  55. LME49990 design note
  56. Cg in THAT 1512
  57. Transistor Preamp Design for ADC
  58. P1 preamplifier
  59. MUSES 72320 electronic volume
  60. DIY 1/2-inch Measurement Microphone
  61. Adcom GTP-450 - Right Channel Fades Out
  62. Passive pre for my AudioSector
  63. Capacitive crosstalk between input/output wiring
  64. Cantilevered-Cascode Buffer (CCB) aka LinuxBuffer
  65. Accelerometer to audiointerface
  66. Home Theater bypass for a tube pre amp - Help!!!
  67. Ultrabass, psychoacoutstic low bass for little speakers
  68. Discrete Opamp test circuits
  69. Inverted Polarity of tube Pre-Amps
  70. Looking For Someone To Build A Vandersteen X-2
  71. Configurable active crossover - Newbie jumping in feet first
  72. Mic Preamp Improvements? (Soundcraft 800B)
  73. electret mic preamp gain
  74. Question about active crossover
  75. Rod Elliott ESP opamp pre's question
  76. Design questions for opamp-based preamp
  77. Preamp with remote using radio not ir
  78. Squeaking Noise with 48V in DAV BG1
  79. I need mini Pre-amp board, please help
  80. IS THIS EARTH LOOP,LEAKING CAPS OR BROKEN LINK?
  81. looking to build a "classic" tube compressor
  82. lm833 single supply
  83. How to protect device from contamination through output
  84. Lundahl LL1545A hookup question...
  85. Inverting rail to rail unity buffer
  86. Subwoofer Controller Kit - Altronics Kit No K5562
  87. Replacement cap for Wima MKP10 0,047UF
  88. Programming of Oxmoor equalizers via PA-422
  89. Help in choosing a potentiometer as a "Passive preamplifier"
  90. Test IC TL074 CN
  91. Relay audio switcher
  92. Analog audio switcher
  93. BSS FDS 340 crossover
  94. Discrete Logic ABX Switch Box
  95. Audio System Controller
  96. the definitive opamp decouplig question
  97. buffer stages performance
  98. Rolling the RANE AC23
  99. Automatic Line level Attenuation Circuit
  100. Check my Opamp Preamp Please
  101. Choosing an active 3-way crossover
  102. Please suggest to me the best affordable LDR preamp kits
  103. Custom Rotary DJ mixer.
  104. Programmer-help for fleabay-remote-kit
  105. Wiring advice for internal pre amp inputs
  106. Discrete Opamp Open Design
  107. microprocessor And control
  108. Latest project.
  109. Remote control won't shut up
  110. Looking to DIY a DI box -10dBv to +4dBu
  111. pre amp suggestions, DIY or Non DIY, Im easy
  112. Musical Fidelity Pre Amp II
  113. Help with DIY passive balanced line level attenuator pads.
  114. RF-blocking???
  115. Jfet Line preamp, to cascode or not.
  116. Mic pre strange high-freq boost (what is broken here?)
  117. New pre amp coming. Change over to 115V help...
  118. XO of Mission 770mk2
  119. Equaliser design for a total n00b
  120. Trying to remote control volume on vintage HK
  121. Passive Pre Chassis and Budget Allocation
  122. Linkwitz Transforms
  123. INA217 is noisy
  124. need sound attenuator
  125. NAIM NAC 42.5 Vintage for my updated NYTECH CPA 602 - 2012
  126. Volume Control Problem
  127. Balanced Signal over 500 Metres!
  128. Single voltage powered Tone Control
  129. PGA2320 and Atmega8 Bascom Source Code Problem
  130. Tone Control Filter
  131. phase linear filters - any good?
  132. Summing (2x) opposite-phase signals with Transformers
  133. A circuit to monitor the analog audio line level
  134. diy Pre-amp question
  135. Critique please: Analogue -> Digital (TOS-LINK)
  136. Circuit Diagram wanted
  137. Xkitz 2-way Active Crossover Kit
  138. Need orientation with tweaking a TASCAM MF-P01
  139. Connecting Multiple op amp inputs from a single op amp output
  140. digital output
  141. Balanced Buffer Needed with a Balanced Volume Control?
  142. $150-200$ Preamp Build?
  143. Balanced tube preamplifier: suggestions?
  144. Adding summed output for sub
  145. Please help me understand this circuit...newbie here
  146. lpf and hpf setting.
  147. After search...need schematic to stereo preamp with only 4 bjt transistors
  148. Help with Zero Field input circuit
  149. The XCEN -- Balanced to Single Ended Converter
  150. Building active cross-overs into multiple power amps?
  151. "Firefly" Unity Gain Buffer
  152. Parasound P/LD 1500 hissing sound in left channel
  153. another studiomaster story
  154. Transformer with 3 secondaries
  155. Need sub woofer controller
  156. Subwoofer controller
  157. APT audio products
  158. how to hook up my preamp for recording??
  159. Class A preamp: please critique my circuit and give me helpful suggestions.
  160. Mixing slope types?
  161. Measuring Line Level Output?
  162. Buss Channel with Noise after wrong soldered bypass Cap.
  163. Volume pot for line level stereo
  164. Studiomaster 16-4
  165. Opinions: Class A Zen Preamplifier eBay Kit
  166. OpAmp based Summing circuit -- Is greater than Unity Gain here a technical problem?
  167. HELP differntial audio
  168. Part needed: Counterpoint SA-1000 tape/source toggle
  169. dc coupled aikido output?
  170. Ipod Stereo to mono summing
  171. DIY preamp component choice
  172. Velleman K8084 Earthing / Grounding
  173. Active Tone Control and preamp. Need help urgent!
  174. Repairing my balanced inputs
  175. Help with preamp build
  176. Tape out of passive preamp into passive preamp/remove resistors?
  177. SE-ONE Spatial Enhancer
  178. Potmeter to balanced amp= Hum; Help!
  179. LEDs as references in current sources
  180. Looking for inkel pp 821 pre amp service manual
  181. Original Mezmerize thread?
  182. Active xover help.
  183. The Effects Of High Resistance Interconnects
  184. dual balanced ne5534 schematic
  185. JA Pre and MyRef - FE Integration
  186. RFI filter and DC blocking cap
  187. Dyanmic mic to electret type input
  188. Help with audio test equipment design
  189. Simple precision constant current LDR controller
  190. How to control 10 pots in active cross?
  191. HF to LF shelving filter
  192. Lawo W990VS/9 - Connection Question
  193. GlassWare Audio
  194. Source select and passive volume for microcontroller-based preamp?
  195. Microcontroller stepped LDR
  196. Newbie question - PCB mounting
  197. PGA2310 based preamp+ remote
  198. Summing Amp Transformers
  199. Krell KSL AC Conversion 110 -> 240
  200. Insert-send to balanced converter
  201. That 1512 fixed gain follow by a second stage
  202. "Tape Out" on DIY Passive Pre
  203. Help to make a pcb for portable stereo preamp ?
  204. Modifying Maplin preamp kit
  205. Help choosing opamp for this circuit
  206. Help! Microphone impedance matching?
  207. adding opamp filter stage
  208. parametric filter to shelving
  209. opamps - fakes?
  210. combine active xo and parametric eq
  211. Discussion of CCS control for LED/LDR volume adjustment
  212. Small Signal Transistor and Diode Models from NXP
  213. Output Transformer Waveform- Is it good or not?
  214. TL082 Preamp Instability
  215. HELP! line-level crossover design for solar-powered biamped soundsystem
  216. How to integrate Baffle Step Compensation into existing discrete linestage?
  217. Fundamental Oscilliscope Usage
  218. Balanced buffers - analogue volume control
  219. A second order active filter with single supply - Zin ?
  220. Tamradio 600:600 Transformers
  221. Input bias current and impedance of an op amp?
  222. Otari MX7000
  223. Vca's
  224. Optimum value for R(s) in a JFET follower?
  225. Active preamp gain
  226. complementary jfet input trimmer
  227. Looking for a PGA2320 PCB
  228. Looking for discrete high performance linestage design with 12v rails
  229. Which power transformer for low hum?
  230. 2SA1015 SRPP follower bridge mode
  231. H/K 595 subwoofer connect to Aiwa reciever.
  232. Aragon 47k Schematics?
  233. Best OP-amp for EQ circuit?
  234. Broskie
  235. Active Stereo Preamp , OPAMP VS TRANSISTORS , which on would you prefer ?
  236. XLR jacks
  237. Which Aikido?
  238. Electret Mic Power Circuit for PC Input
  239. Soundcraft B100 (TL072...again)
  240. XLR, RCA and CMRR - a few questions
  241. Help Designing Preamp Schematic
  242. Here's a weird enquiry
  243. C1583 & A798
  244. Volume Control with symmetrical out and in
  245. Building a Tee attenuator
  246. Noise in balanced outputs - Parasound
  247. Need some advice on a level booster...
  248. INA134-DRV134 balanced preamp
  249. how to add protection circuits (swith circuit)
  250. resistor(s) in ground paths to reduce hum, etc.

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