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  1. Advice on preamp+tone kit or IC for use with ClassD board?
  2. Advice PreAmp <$400
  3. OPA627 Preamp Dynamic Crosstalk Issue
  4. Audio Limiter with JFET Class-A
  5. Preamp problem
  6. Cheap IC-based remote volume control kit
  7. Notch filter in balanced configuration between Amp and Pre Amp
  8. Maya R2R connection advice
  9. Following a Technics SU-9070
  10. Willow II
  11. The THD+N of passive preamps
  12. Investment volume potentiometer
  13. Active filter for fullrange: where do you need op amp buffers?
  14. Advice on Attenuators
  15. effects loop insert for mixer
  16. Battery powered active x-o. To decouple or not to decouple?
  17. Pre-amp amplifier driving capacity
  18. DIY DJ Mixer
  19. 70s Pioneer SR202 spring reverb - power issues
  20. Verify my high pass filter wiring for me?
  21. DIYINHK AD1862 I/U stage suggestions.
  22. Simple remote volume control (controlled through arduino)
  23. Does this passive preamp exist?
  24. Peak to peak
  25. Recommandations for electrolytic capacitors / preamp recap
  26. Will a capacitor high pass filter interfere with BSC circuit?
  27. Anyone know anything about Analog Devices B100?
  28. Capacitors wired in Series vs. Parallel - Please verify my understanding
  29. Signal to chassis ground query
  30. Mark Kelly DC motor controller advice required please
  31. Transformers to buffer PLLXO??
  32. triangle buffer for unbalancing?
  33. where are decoupling capacitors required
  34. Preamplifier recap: voltage values
  35. Simple mixer project (one mic, one line inputs)
  36. Analog combiner vs digital summing?
  37. Balanced or Unbalanced
  38. AK4113 automatic inputs or?
  39. Mark Levinson 380s PreAmp Schematic needed
  40. Moscode Super IT - schematics? power supply?
  41. AES article on the ultimate active crossover
  42. Attachment identification
  43. MiniDSP 4x10 HD Measurements
  44. Volume pot roughness
  45. Distortion in a Tone Control
  46. Remote Control for the BPBP
  47. Looking for standalone VU meter
  48. Logitech Ultimate One Compatible Potentiometer
  49. Ways to sum stereo to mono before the power amplifier?
  50. What's the benefit of a balanced floating line driver anyhow?
  51. Capacitor and Resistor choice for OpAmp line tap
  52. Rotel rsp 976 memory capacitor problem
  53. Triaxial interconnects
  54. 2.1 Channel Preamplifier?
  55. Opamp on battery
  56. single supply buffers
  57. 10kohm series/shunt 23 position resistor attenuator.
  58. Low cost Arduino based total amp control
  59. need advise to optimise my OPamp preamplifier
  60. Filter design
  61. Convert stereo Speaker Level to mono Speaker Level?
  62. Hovland HP100 line pre amp
  63. Neurochrome Differential preamp build
  64. Ribbon cables and audio
  65. Volume pot value
  66. Stereo Coffie 3 Input LDR preamp setting up
  67. parallel opamp?
  68. Advice on troubleshooting TK Audio The Strip - Distorts after ~100sec
  69. Question about LM4562 preamp (SC 08-07)
  70. Chinese sub filter, any good?
  71. EZ1073 build
  72. Arduino CPU for the PGA2311 preamp
  73. how to build a butterworth filter
  74. mercury switched input selector
  75. Cheap Chinese active X-O
  76. Restek Fantasy
  77. Anyone knew this pre
  78. Unusual Balanced audio distribution Question
  79. Potentiometer value
  80. Transforms using Sallen and Key topology
  81. How useful is this DSO 138 scope kit?
  82. What to do with unused opamp pins?
  83. Creating Virtual +/- PSU for Subsonic Filter
  84. Retrofitting Old Preamp with Motorized Volume Control
  85. baxandall differences
  86. LM3914 input selector idea
  87. Need help with "my" Simple LF and HF Shelving Preamp
  88. Problem with low-level hum.
  89. Simple Passive 3 Band EQ with Sweepable Midrange
  90. Personus acp 88
  91. 2 Channel Mixer Circuit
  92. Passive Line Splitter question
  93. Attenuator pad question
  94. Advice on what to use for a proper line level preamp for use with active Xover and EQ
  95. 7193->6BX7 Push-Pull Aikido Preamp
  96. Looking for a schematic for a Presonus ACP88 Compresser limiter
  97. XLR to DIN adapters grounding
  98. Tone Controls (probably unnecessary long)
  99. +4Bu to -10dBv and vice-versa
  100. Dead OCM 55...
  101. Lite Audio MV-01 / MV-06 remote controlled volume/input selector
  102. Passive tone control
  103. Concrete listening review of "his master's noise" Phono Pre?
  104. Riaa expermentation....
  105. Unbalanced RCA > Balanced XLR Pre-Amp
  106. I was Inspired By this Forum
  107. VCA That2180
  108. Belles DMC Preamp Restoration
  109. Standalone Music Streamer / Receiver
  110. NE5534N limitations for balanced input
  111. Programable Active Analogue Crossover
  112. Sony EV-310 Videocorder schematics
  113. Lpad eq
  114. Cambridge audio Azur 840E Schematic, Service Manual
  115. Trying to make a Balanced line input on LM3886 chipamp using ina134. HELPPP!!!
  116. OPA2604 - oscillation problem
  117. breadboard ESD P06 Preamp not amplifying
  118. AD 797 Preamp
  119. Preamp/input frequency response
  120. Mixer inputs
  121. My Borbely All-Fet Preamp with Subbu
  122. inductor output power amp
  123. 2 Questions, Connecting Line Level only sub to Stereo, PC Audio Analyzer Software
  124. NE5532 Harmful oscillation
  125. Instrumentation amplifier
  126. low noise 748 op amp replacement
  127. high pass filter and transformer
  128. Design for balanced tone control
  129. 2 + 1, variable state bi-amping VS steep low pass subwoofer
  130. Is 5m rca lead death
  131. Low pass filter with very less settling time
  132. 2.1 preamp (Struggling)
  133. Help choosing a preamp for a Honey Badger
  134. My Aikido All-in-One octal preamp
  135. Best preamp kit/components?
  136. Another JFET phono preamplifier
  137. Can I make a passive preamp with these?
  138. Book : Small Signal Audio Design - Douglas Self
  139. Type of mic used for IoT voice recognition
  140. Nakamichi 500 as a rec. preamp
  141. Preamp or buffer advice needed
  142. SS analog warmth / tube sound circuit wanted
  143. Line Level Comp and Preamp
  144. Preamp suggestions
  145. Attenuation T-pad after minidsp help
  146. Baby first Opamp Buffer / Preamp
  147. an active LED-LDR volume control featuring in-situ LDR monitoring
  148. Headphone Cue Insert Box
  149. Balanced connection using 3.5mm
  150. Pre amp advice
  151. O2 grounding help
  152. Bridged T filter formulas. Q and bandwidth estimates and other basic formulas
  153. Wireless line level connection
  154. Buffer after 1k pot?
  155. MM/MC Switching
  156. What's wrong w/ my breadboard high pass??
  157. Digitaly controlled input selector advice
  158. Hybrid preamp / Cordell's LSK489 app note
  159. 4-channel gain stage with power supply
  160. Need help adding wireless to my FrankenStereo
  161. Replacement for JRC 4580D
  162. SMT ceramic cap found in critical audio path in high end AV amplifier, please advise?
  163. Suggestions sought for tube preamp
  164. L Pad problems with a B1
  165. Components change to swap opamp?
  166. NE5532,OPA2134 Class A biased.Worth to try?Your experience?
  167. Question on modifying a passive pre
  168. Intelix matrix mixer schematics anywhere?
  169. Naim Nait 2 - Phone Stage is out of Balance
  170. Idiot-proofing circuits
  171. Hafler DH-110 Switches
  172. Warm up the sound of my preamp
  173. Line stage preamp tube vs solid state???
  174. 3way LR24 crossover phase issue
  175. Welborne Remote Stepped Attenuator
  176. Cirrus CS3318 with balanced signals
  177. Unbalanced in-line attenuator
  178. Can you stack power supplies? And,
  179. Preamplifier (tda7313) to amplifier impedance matching and signal attenuation.
  180. PGA4311 8 channel preamp
  181. Overhaul of a Cabasse Grand Large PST 16 from the '70
  182. Circuit Compairison
  183. Faint static on one side of system with pot around half
  184. Yamaha 550u EQ opamp questions?
  185. Preamp Design - Novel or Silly?
  186. ARC LS2B took a hit tonight
  187. 9v power supply issue with tapehead preamp circuit
  188. Sound card Pinouts
  189. Help with Shunt attenuator selection
  190. How to use digital controlled volume ICs? (PGA4311)
  191. Questions about i2c volume control SQ for opamp 3/4 way 8channel xover + linedriver
  192. Opamp Output Stage Schematic - Is it class-A ?
  193. preamplifier Relay issue.
  194. Lookking for a BJT or JFET single supply inverting buffer
  195. Phase change/ stage smearing.
  196. Audio Design Model 1 Volume Pot Replacement
  197. What's a good Baxandall tone control implementation?
  198. JBL L300 - Crossover repair
  199. Sleep In Peace>>>>>>>>>
  200. help troubleshoot weak channel on preamp please
  201. Help understanding preamp designing
  202. How does an 11200 Reite preamp sound?
  203. Best shielded wire for preamp?
  204. LDR Attenuator Impressions
  205. KRK VTX4 - Replacing filter caps, still noisy
  206. SONY TA-E1 preamplifier clone
  207. Voltage Divider for Op Amp
  208. Any opinions or improvements suggestions about this balanced inout line amp circuit ?
  209. Phono preamp buzz
  210. Inverse Notch Filter Function to compensate narrowband Minimum at Speakers
  211. Long cable run question
  212. Picked up Reite line and power supply
  213. Output /input signal strength pad for live sound
  214. composite opamp benefit (audible)
  215. Blending Two Independent Preamps
  216. Mic preamp based on Cohen Double Balanced Microphone Amplifier
  217. Curcio PAS 3 vibration
  218. Stepped Attenuator Clarification
  219. Driving VU Meters
  220. KMTech Active Crossover + Burson SS V5 Discrete
  221. behringer/dbx 2 way crossovers battery power supply
  222. Multichannel remote volume control
  223. Noise even if the signal doesn't pass through a component?
  224. Substituting Toshiba Op-Amp Into Circuit
  225. Khozmo Passive Pre Remote Issues
  226. A quick question reguarding audio Amplifiers
  227. Tape Head Pre Amp
  228. Designing simple, educational DAC
  229. Attaching preamp in/out signal grounds at chassis vs. on PCB
  230. Building A Monitor Controller
  231. Classe Thirty Upgrades?
  232. Modified Baxandall Pivot Frequency
  233. stereo graphic equallizer for TDA7297
  234. Upgrade NE5532
  235. I have a luxman c-02 with weak channel.
  236. Sony TA-E7B pre-amp switch problem
  237. Active crossover + EQ solution?
  238. Active Crossover(s) for MJK OB H frame + FR
  239. Power supply to make rails for a linkwitz transform.
  240. B&K CS-117 Preamp HELP!
  241. Bargain, Great pre for class D amps
  242. Mark Levinson PLS228 Question
  243. PGA2310 PreAmp for TA2024 board
  244. LME49710 vs OPA134 for a unit gain buffer
  245. Power supply for amplifier and active crossover network
  246. Passive Pre XLR Volume Control (Poor Man's Goldpoint SA1X)
  247. linuxworks Sercona Audio Controller 3 preamp
  248. linuxworks alternate a10 preamp
  249. Active notch filter analysis help
  250. help identifying traces on pcb for attenuator

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