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

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