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  1. Op-Amp Circuit Components: Any Ideas About This Circuit Section's Function?
  2. preamp question/buffer scematic with muses 72320
  3. Horrible Freq Resp from my MX110
  4. Input/pass-through switch
  5. Salas DCG3 preamp (line & headphone)
  6. Phase Linear 2000 Pre-amp overhaul
  7. Rotel RTC 850 Problem
  8. Cabre AS45 active crossover
  9. Preamp causing distortion
  10. discrete preamp/gain module recommendation
  11. BPBP starter help
  12. Hi Freq rolloff with ne5532 based unbalancer
  13. Crossover Rebuild Advise
  14. Perreaux SM-2 need help with output transistors
  15. Crossover conversion
  16. Need finding simple high impedance pre-amp to boost signal to Schmitt Trigger circuit
  17. remote volume control
  18. 2SK932 Buffer
  19. Please help with cap orientation.
  20. Single Supply 2-way active XO
  21. Neve 2254/E troubleshooting
  22. Need help with wiring a stepped atteunator
  23. What is the preferred MF X-10D clone?
  24. G.A.S Goliath
  25. Popping noises in Thiel CS3.5 Bass EQ??
  26. The distortion this preamp, is it fake?
  27. Volume Control use Dual 8-BIT/12-BIT DAC - I don't understand how it works
  28. DBX Driverack 4820
  29. Simple & portable mixer with 6 analog inputs
  30. Averaging PGA2320 outputs in mono configuration
  31. volume and tone control at same time
  32. AC coupling and hum question
  33. Butterworth series to Linkwitz-Riley Calculation
  34. CS4398 - Output Stage
  35. Any Discrete CFA Opamp?
  36. Pre-amplifier circuit not working despite attempts to fix it
  37. Opamp survey
  38. Article - 2 New and Improved AVC Topologies + Full Pre-Amplifier
  39. Passive vs Direct
  40. Active Crossover... help me wrap my head around this.
  41. Help with VU meter amplification made of an Ampere Meter
  42. Multi-purpose dual op-amp PCB design
  43. Relay volume control and input kit?
  44. Need advise about active crossover routing
  45. Pot Noise
  46. balanced vs. unbalanced
  47. Defective PGA2311 preamp display screen
  48. which preamp kit ?
  49. Volume control - Pass Camp Amp
  50. Preamp between Boozhound phono and ACA amps
  51. A hum problem
  52. Advice on preamp+tone kit or IC for use with ClassD board?
  53. Advice PreAmp <$400
  54. OPA627 Preamp Dynamic Crosstalk Issue
  55. Audio Limiter with JFET Class-A
  56. Preamp problem
  57. Cheap IC-based remote volume control kit
  58. Notch filter in balanced configuration between Amp and Pre Amp
  59. Maya R2R connection advice
  60. Following a Technics SU-9070
  61. Willow II
  62. The THD+N of passive preamps
  63. Investment volume potentiometer
  64. Active filter for fullrange: where do you need op amp buffers?
  65. Advice on Attenuators
  66. effects loop insert for mixer
  67. Battery powered active x-o. To decouple or not to decouple?
  68. Pre-amp amplifier driving capacity
  69. DIY DJ Mixer
  70. 70s Pioneer SR202 spring reverb - power issues
  71. Verify my high pass filter wiring for me?
  72. DIYINHK AD1862 I/U stage suggestions.
  73. Simple remote volume control (controlled through arduino)
  74. Does this passive preamp exist?
  75. Peak to peak
  76. Recommandations for electrolytic capacitors / preamp recap
  77. Will a capacitor high pass filter interfere with BSC circuit?
  78. Anyone know anything about Analog Devices B100?
  79. Capacitors wired in Series vs. Parallel - Please verify my understanding
  80. Signal to chassis ground query
  81. Mark Kelly DC motor controller advice required please
  82. Transformers to buffer PLLXO??
  83. triangle buffer for unbalancing?
  84. where are decoupling capacitors required
  85. Preamplifier recap: voltage values
  86. Simple mixer project (one mic, one line inputs)
  87. Analog combiner vs digital summing?
  88. Balanced or Unbalanced
  89. AK4113 automatic inputs or?
  90. Mark Levinson 380s PreAmp Schematic needed
  91. Moscode Super IT - schematics? power supply?
  92. AES article on the ultimate active crossover
  93. Attachment identification
  94. MiniDSP 4x10 HD Measurements
  95. Volume pot roughness
  96. Distortion in a Tone Control
  97. Remote Control for the BPBP
  98. Looking for standalone VU meter
  99. Logitech Ultimate One Compatible Potentiometer
  100. Ways to sum stereo to mono before the power amplifier?
  101. What's the benefit of a balanced floating line driver anyhow?
  102. Capacitor and Resistor choice for OpAmp line tap
  103. Rotel rsp 976 memory capacitor problem
  104. Triaxial interconnects
  105. 2.1 Channel Preamplifier?
  106. Opamp on battery
  107. single supply buffers
  108. 10kohm series/shunt 23 position resistor attenuator.
  109. Low cost Arduino based total amp control
  110. need advise to optimise my OPamp preamplifier
  111. Filter design
  112. Convert stereo Speaker Level to mono Speaker Level?
  113. Hovland HP100 line pre amp
  114. Neurochrome Differential preamp build
  115. Ribbon cables and audio
  116. Volume pot value
  117. Stereo Coffie 3 Input LDR preamp setting up
  118. parallel opamp?
  119. Advice on troubleshooting TK Audio The Strip - Distorts after ~100sec
  120. Question about LM4562 preamp (SC 08-07)
  121. Chinese sub filter, any good?
  122. EZ1073 build
  123. Arduino CPU for the PGA2311 preamp
  124. how to build a butterworth filter
  125. mercury switched input selector
  126. Cheap Chinese active X-O
  127. Restek Fantasy
  128. Anyone knew this pre
  129. Unusual Balanced audio distribution Question
  130. Potentiometer value
  131. Transforms using Sallen and Key topology
  132. How useful is this DSO 138 scope kit?
  133. What to do with unused opamp pins?
  134. Creating Virtual +/- PSU for Subsonic Filter
  135. Retrofitting Old Preamp with Motorized Volume Control
  136. baxandall differences
  137. LM3914 input selector idea
  138. Need help with "my" Simple LF and HF Shelving Preamp
  139. Problem with low-level hum.
  140. Simple Passive 3 Band EQ with Sweepable Midrange
  141. Personus acp 88
  142. 2 Channel Mixer Circuit
  143. Passive Line Splitter question
  144. Attenuator pad question
  145. Advice on what to use for a proper line level preamp for use with active Xover and EQ
  146. 7193->6BX7 Push-Pull Aikido Preamp
  147. Looking for a schematic for a Presonus ACP88 Compresser limiter
  148. XLR to DIN adapters grounding
  149. Tone Controls (probably unnecessary long)
  150. +4Bu to -10dBv and vice-versa
  151. Dead OCM 55...
  152. Lite Audio MV-01 / MV-06 remote controlled volume/input selector
  153. Passive tone control
  154. Concrete listening review of "his master's noise" Phono Pre?
  155. Riaa expermentation....
  156. Unbalanced RCA > Balanced XLR Pre-Amp
  157. I was Inspired By this Forum
  158. VCA That2180
  159. Belles DMC Preamp Restoration
  160. Standalone Music Streamer / Receiver
  161. NE5534N limitations for balanced input
  162. Programable Active Analogue Crossover
  163. Sony EV-310 Videocorder schematics
  164. Lpad eq
  165. Cambridge audio Azur 840E Schematic, Service Manual
  166. Trying to make a Balanced line input on LM3886 chipamp using ina134. HELPPP!!!
  167. OPA2604 - oscillation problem
  168. breadboard ESD P06 Preamp not amplifying
  169. AD 797 Preamp
  170. Preamp/input frequency response
  171. Mixer inputs
  172. My Borbely All-Fet Preamp with Subbu
  173. inductor output power amp
  174. 2 Questions, Connecting Line Level only sub to Stereo, PC Audio Analyzer Software
  175. NE5532 Harmful oscillation
  176. Instrumentation amplifier
  177. low noise 748 op amp replacement
  178. high pass filter and transformer
  179. Design for balanced tone control
  180. 2 + 1, variable state bi-amping VS steep low pass subwoofer
  181. Is 5m rca lead death
  182. Low pass filter with very less settling time
  183. 2.1 preamp (Struggling)
  184. Help choosing a preamp for a Honey Badger
  185. My Aikido All-in-One octal preamp
  186. Best preamp kit/components?
  187. Another JFET phono preamplifier
  188. Can I make a passive preamp with these?
  189. Book : Small Signal Audio Design - Douglas Self
  190. Type of mic used for IoT voice recognition
  191. Nakamichi 500 as a rec. preamp
  192. Preamp or buffer advice needed
  193. SS analog warmth / tube sound circuit wanted
  194. Line Level Comp and Preamp
  195. Preamp suggestions
  196. Attenuation T-pad after minidsp help
  197. Baby first Opamp Buffer / Preamp
  198. an active LED-LDR volume control featuring in-situ LDR monitoring
  199. Headphone Cue Insert Box
  200. Balanced connection using 3.5mm
  201. Pre amp advice
  202. O2 grounding help
  203. Bridged T filter formulas. Q and bandwidth estimates and other basic formulas
  204. Wireless line level connection
  205. Buffer after 1k pot?
  206. MM/MC Switching
  207. What's wrong w/ my breadboard high pass??
  208. Digitaly controlled input selector advice
  209. Hybrid preamp / Cordell's LSK489 app note
  210. 4-channel gain stage with power supply
  211. Need help adding wireless to my FrankenStereo
  212. Replacement for JRC 4580D
  213. SMT ceramic cap found in critical audio path in high end AV amplifier, please advise?
  214. Suggestions sought for tube preamp
  215. L Pad problems with a B1
  216. Components change to swap opamp?
  217. NE5532,OPA2134 Class A biased.Worth to try?Your experience?
  218. Question on modifying a passive pre
  219. Intelix matrix mixer schematics anywhere?
  220. Naim Nait 2 - Phone Stage is out of Balance
  221. Idiot-proofing circuits
  222. Hafler DH-110 Switches
  223. Line stage preamp tube vs solid state???
  224. 3way LR24 crossover phase issue
  225. Welborne Remote Stepped Attenuator
  226. Cirrus CS3318 with balanced signals
  227. Unbalanced in-line attenuator
  228. Can you stack power supplies? And,
  229. Preamplifier (tda7313) to amplifier impedance matching and signal attenuation.
  230. PGA4311 8 channel preamp
  231. Overhaul of a Cabasse Grand Large PST 16 from the '70
  232. Circuit Compairison
  233. Faint static on one side of system with pot around half
  234. Yamaha 550u EQ opamp questions?
  235. Preamp Design - Novel or Silly?
  236. ARC LS2B took a hit tonight
  237. 9v power supply issue with tapehead preamp circuit
  238. Sound card Pinouts
  239. Help with Shunt attenuator selection
  240. How to use digital controlled volume ICs? (PGA4311)
  241. Questions about i2c volume control SQ for opamp 3/4 way 8channel xover + linedriver
  242. Opamp Output Stage Schematic - Is it class-A ?
  243. preamplifier Relay issue.
  244. Lookking for a BJT or JFET single supply inverting buffer
  245. Phase change/ stage smearing.
  246. Audio Design Model 1 Volume Pot Replacement
  247. What's a good Baxandall tone control implementation?
  248. JBL L300 - Crossover repair
  249. Sleep In Peace>>>>>>>>>
  250. help troubleshoot weak channel on preamp please

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