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  1. Teac AN-60 Alignment
  2. 2.5v achieves lower distortion on LDR NSL32SR2
  3. Help Gain clone supply PCB design
  4. HOW TO MEASURE interference between e.g. 20kHz and 21kHz tones?
  5. 3-way signal splitter
  6. implimenting linkwitz's notch/dip filter for room eq
  7. Anyone seen this EQ before?
  8. ReCapping marantz av-9000 16v 13000uf
  9. Audio Processing
  10. Anyone know what these caps are for?
  11. Is coax needed to wire a microphone?
  12. How do I choose a preamplifier that would be compatible with this microphone?
  13. W06M – Bridge Rectifier, equivalent substitute
  14. Preamplifier kit information
  15. Handling +4dBu/-10dBv and un/balanced
  16. Line receiver and driver pcb?
  17. 2 conductor shielded cable
  18. HIGHLEVEL INPUT IN PLATE AMP!
  19. 20hz high pass on Ashly XR2000 - removable?
  20. Transformer Based Balanced Output & Impedance
  21. Poll for the participants of "John Curl's Blowtorch preamplifier part II"
  22. John Bowers Active Control Unit preamp: Info sought
  23. Looking for pointers on first DIY preamp please.
  24. Simple analog vu-meter driver ?
  25. Please pardon the noob question. need guidance
  26. Build a high pass filter for amplifier
  27. Critique on success of this subwoofer cutoff project?
  28. Need gain AMOUNT for mobile phone/pc sources
  29. re-replacing 2sk213/j76 transistors help
  30. Preventing crossover between mixers
  31. RCA LMI- 32215 A - for recording studio.
  32. Rane pot help please...
  33. Simple low voltage tube preamp stage
  34. HELP me design a discrete current sinking positive V regulator
  35. True Biamping and Active crossovers info request
  36. Question about hypex balanced vs unbalanced
  37. Soundcraftsmen
  38. very small noob question project 88
  39. Help with cable conundrum!
  40. P7 Pre amp Trouble
  41. Party-line / Full-duplex intercom - mixing audio signals
  42. ZSP1 preamp gain
  43. Acurus L10 Powersupply
  44. Building an Analog to Digital Converter Unit...
  45. DIY pre amp board
  46. Opamp power bypass
  47. Tone Control - Volatage range for TL072/LF252-N
  48. Stereo volume attenuation
  49. Quad channel volume control
  50. Work? L, R RCA inputs -> 1 XLR out?
  51. Impedance matching pre -> power.
  52. LME49740 vs TL074, design considerations and stability
  53. Solid state R2R attenuator using analog switches or multiplying DAC
  54. MF nuvista source selector problem again
  55. What do we think about solid-state potentiometers?
  56. TubeCAD's ACF2 as a active crossover
  57. Phaseca--My new diy pre amp
  58. looking for bass treble pcb pattern
  59. Mobile recording using linein
  60. [Need] simple preamp and LPF based on 5532 for digital sources
  61. wall-based trasformer volume control as passive pre?
  62. noob stab in the dark - riaa preamp
  63. Oscillating Op-Amp
  64. Preamp for shotgun mic
  65. Mark Levinson No 38, Need Help
  66. Help! Kenwood Basic C-2 left channel out (phono only)
  67. Signal delay schematic
  68. Adding 4 channels to a 2 channel input on HT amp
  69. vumeter (stereo, mono)
  70. Acquired Some Elan Components, What are They?
  71. Pre-mix for boombox
  72. Reed Switch Audio Attenuator
  73. "Balanced" PGA2311?
  74. 2 way crossover on Chinese pcbs
  75. SE to Balanced pre question
  76. Interconnect Ground Cable Ground Loops
  77. PGA2310 - PGA2311 - CS3310: version without OPAMP for outdoor OPAmp connection wanted
  78. Any AIKIDO-philes who know why Broskie has changed the formula
  79. One More Overcomplicated Mic Preamp
  80. Problems with subwoofer phase control picking up noise
  81. IC's get hammered
  82. Left/Right channel balance control
  83. Potentiometer Selection
  84. All-In-One Preamp Circuit
  85. Line level mixing
  86. Booze Hounds Labs Phono any good?
  87. PLLXO - Am I doing this right?
  88. Need an Active 2nd Order Low Shelf Filter aka Low Shelving Filter
  89. Switching Noise Between Preamps
  90. Bluetooth Lightspeed attenuator
  91. Help getting 5.1 preamp from Ebay repaired please!
  92. Should using balanced cables to amplified monitors improve sound ?
  93. Apox Audio preamp reborn with the power of Arduino
  94. Does an Op Amp Voltage Follower Operate in Class A?
  95. My boozehound phono stage build
  96. Pre amp kit
  97. balanced preamplifier based on LME49990
  98. Merging two channels with passive low passes
  99. Old Colony Sound Lab T-2D Line Amp - Any Info?
  100. Impedance Bridging and Isolation Tranformer
  101. TDA7315 chip parameters interpretation
  102. MFP-102 N fet compatibility
  103. What is the effect of a 22K res in series with a 25K volume pot?
  104. Senior Project: Bandpass Equalizer pedal
  105. [WANTED] Mark Levinson No 26S Service Manual/Schematic
  106. ORTF is best for stereo recording
  107. A zero impedance preamp and CMRR
  108. good preamp
  109. calculate crossover with Re or impedance ?
  110. Op-Amp Preamp Circuit for Electret Mic
  111. Simple Router (then bass management)
  112. Second order shelving filter
  113. Help with component selection.
  114. passive to tame 8khz peak
  115. Hafler SE100 Preamplifier / Symmetric B1 buffer hybrid
  116. Adcom GFP-750 -Needs Repair
  117. Variable gain op-amp for volume control (vs normal voltage divider pot)
  118. Germanium Transistor and FET opamp
  119. 5 zone preamp based on Arduino controlled optocoupler
  120. How to select the right impedance for volume control
  121. In vehicle Pre-amp for mic (12+ VDC)
  122. Resistor-Diode-Relay Logic Source Selector
  123. 3 into 1 input the other way round
  124. Nagging Ground Issue
  125. Looking for Princeton Applied Research 115 MANUAL
  126. Active Band Pass Filter with +/- Gain
  127. Components source
  128. Guitar ABY or Headphone Amplifier?
  129. rod elliot p88 preamp knob arrangment
  130. C-Mos opamps in audio preamplifiers
  131. Cheap, balanced XLR passive pre?
  132. DIY crossover - Sallen-Key?
  133. Hafler 915 preamp cap question
  134. analog 3.5mm to digital usb possible?
  135. Mixer Pre-amp
  136. DIY tube preamp - help with choosing the right kit
  137. opamp channels mysteriously mixing ¿quantum thing or me too dumb?
  138. MC-22 schematic question
  139. unbalanced/balanced to balanced converter
  140. My line buffer preamp
  141. Attenuating Preamp Filter Question
  142. biamping with one DAC
  143. Audiophile active crossover
  144. adding EQ without screwing up sound; few questions...
  145. SSTART Pcb and power supply project
  146. Help with a simple envelop detector filter. (averaging the signal)
  147. audio output switch? Monitor Controller
  148. Very simple volume control with IR remote
  149. JFETs and MOSFETs biasing questions
  150. I need advise on audio mixing boards?
  151. pre amp output
  152. OPA134 Amp Help
  153. OPA134
  154. Capacitors voltage rating
  155. Capacitors voltage rating
  156. attenuation on dac output with U-pad
  157. passive preamp
  158. preamp necessary?
  159. Will phono pre > passive pre > amp work well enough?
  160. 60Hz hum problem, please help
  161. distortion cancellation for diode limiter
  162. electret mic preamp for micro ADC
  163. Understanding "Voltage - Input Offset" Parameter
  164. Schade MOSFET + Feedback Line Amp
  165. Preamp or receiver?
  166. Sony BX-270 Datasheet Wanted
  167. Classe Audio DR6 Bias
  168. Dual gang potentiometer for 'mixer'
  169. Aikido Preamp Bass & Treble Controls
  170. Tried active crossover, mean hum...
  171. How to use TDA7439 for center and subwoofer
  172. Active notch filter
  173. simple pre amp volume control with seperate mono out
  174. Help me wire up my SUT correctly (Tamura TKS-27)
  175. How can I split a mixer bus?
  176. Beau's Bias Circuit Schematic
  177. What should be included in a subwoofer lowpass filter?
  178. Potentiometer volume control treble loss bleed
  179. Adcom GFP 815 Pre Amp-Any users?
  180. speaker out to preamp out while driving speaker
  181. 6dB Active crossover
  182. Replacing volume pot from 100K to 50K reduces gain?
  183. Dual Ganged Stereo Volume Control
  184. McIntosh/Conrad Johnson pairing
  185. Input Impedance Question
  186. Active studio monitors/ crossovers
  187. new discrete opamp for line preamplifier
  188. Music Angel Pre Amp
  189. Tilt Equalizer Filter
  190. Parametric EQ based bass boost circuit
  191. Power On Delay/Loss of AC Detector Relay
  192. Balanced Line Driver with DRV134
  193. PGA3211 6.1 assembling
  194. PGA2311 code
  195. SMD High-Voltage Discrete Diamond Buffer
  196. How best to implement image mode controls
  197. Preamp has unwanted delay (and hum)
  198. Pot values in LM1036 preamp circuit
  199. simple three steps attenuator
  200. Behringer Eurorack UB1622fx PRO schematic
  201. Need help with Coustic XM-5e Crossover
  202. Small Fader + Volume control for Car
  203. PGA2311 Evaluation
  204. Are these pots what I need for my preamp?
  205. IR Remote Control
  206. That Corporation 1200 , 1203 , 1206 circuits
  207. portable set field mixer/ mic pre
  208. Compact simple EQ
  209. Digitally controlled pot distortion?
  210. Help me Choose Between A and B
  211. Quad Eight Electronics EQ712
  212. Adding a line level output to PGA2311 preamp
  213. Using Joachim Gerhard Filter Buffers as balanced crossover
  214. Impedance measuring jig and iSEMcon kit
  215. LM1036N Potentiometer Type
  216. 4558d
  217. 10M45 as simple preamp...
  218. Kenwood c-2 balance pot
  219. Attenuator Impedance for Adcom GFA-535?
  220. McIntosh C712 Preamplifier - Schematic wanted
  221. Speaker Combination in Custom Installation, please help
  222. 5 band equalizer, need help!!
  223. Parasound P/HP-850 Preamp Problem
  224. Crossover between pre and power amp for sub
  225. miniDSP pre-amp & volume control idea
  226. Klark Teknik Upgrae for 2ch
  227. signal level
  228. THAT 1200 Balaced Receiver IC?
  229. Patch Bay With Buffered Splitter/Channel Inputs Ideas
  230. Can't seem to get OpAmps to work
  231. Yamaha Equalizer 1027 service manual wanted
  232. Yamaha RX-V480 Tuner / FM Bands Wacky
  233. Discrete MOSFET 12db High Pass Filter
  234. ESP Proyect97 PCB
  235. Christmas Project - Audio Analyser
  236. HELP : what wattage for resistor ?
  237. x'over for a sub?
  238. Overlay stereo with mono, without losing stereo?
  239. Hi Level Amp output connect to RCA input
  240. Uneven Hafler 110 output
  241. Preamp-Buffers - simple idea
  242. OPA1612 compared to OPA2228(and a lil question about caps)
  243. How to wire up Audio Matching Transformer?
  244. VU meter arduino project help
  245. 8ch ADC
  246. Passive mixing network -- calculating total loss?
  247. DIY 3 way active crossover: as Christmas Holiday Project
  248. Upgrading the SM Pro AUDIO DI 4V
  249. fully balanced line with THAT 1206 plus 1646
  250. GHOST in 3 band graphic equalizer!! SOS!

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