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  1. 8 ohm volume pot
  2. Naim NAC 32.5 Gain board lower gain
  3. P7 Mini Preamp Possible Improvements
  4. Hum issue in hpf circuit
  5. CS3318 Volume Control board with IR?
  6. Balanced line behaviour on Mixer's output
  7. Akitika PR101 Preamp by Dan Joffe
  8. Which one of these wiring schemes will have lower noise?
  9. Need help identifying preamp internals. Conrad Johnson PV-1?
  10. New edition D. Self Small Signal Audio Design
  11. Subwoofer preamplifier with low frequency boost below 30Hz?
  12. Spectrum analyser using LM3915
  13. 9V opamp suggestions
  14. Circlotron LINE and RIAA Pre-Amplifiers wanted
  15. JFET choice for transformer coupled mic preamp
  16. understanding source+return current flow on PCBs
  17. Why are JRC MUSE01 and MUSE02 opamps so expensive?
  18. can use la3161 as a simple solution in a car ?
  19. crossover commission/kit
  20. Switch both sides of input connections?
  21. Hammond 140QEX
  22. Current Amplifyer
  23. An Old Nikko power-supply section question
  24. THAT 202XT VCA + ?
  25. Need analog guru help on grounding
  26. iRig Pre Component Upgrade
  27. Calculating a TVC
  28. Balanced Microphone Preamplifier
  29. Electret Condenser Microphone preamp analysis
  30. LF Line Level Stage design to preceed class D amplifier
  31. Mic Preamp w transformer input: changing impedance
  32. Line level / unity gain vacuum tube circuits
  33. Interpret stereophile measurement data
  34. Diy passive pre and switch
  35. slow audio increase at turn on?
  36. Hammond Amplifier Modification Issue
  37. Would like some help with a "Crossover Isolator"
  38. Correct way to split line level inside dual headphone amp
  39. How can this work?
  40. Balanced input
  41. crossover / summer for "2.1" active or passive
  42. Need Advice for Bi-amping
  43. Too much DC at buffer's output
  44. passive pre-amp ?
  45. Salvaged Phono Preamp - Begginner Help
  46. Tape head amplification circuit
  47. Laptop to Guitar Amp cable. . . Resistor values?
  48. Hifi from german studio modules - help wanted
  49. Guard rings for op amps
  50. Tone control for Low bass selector and boost circuit
  51. "Lehmann" Buffer Output Transistors.
  52. Minuature Low Pass Filter
  53. Easy High-Pass Filter
  54. Analog signal control
  55. Buffer Stage
  56. Critique my first drawing / possible build [Active DI]
  57. Low pass filter for Bitstream DAC.
  58. Looking for 0-10V Analog Volume Control Circuit
  59. AVC
  60. looking for programmable eq chip / pcba module ??
  61. Another Modified PGA2311 kit with Arduino for volume control and input selection
  62. Kudies to/for the Tortuga Audio LDR3X.V2
  63. Parasound P/HP 850
  64. LECUA 1000 attenuator from Luxman ?
  65. Line Level Output to Guitar Amplifier Input
  66. is there an off the shelf preamp module that works with the apple remote?
  67. How about this sub crossover filter?
  68. help with 2 pole low pass filter/attenuator
  69. Zobel at the srpp input
  70. Preamp noise after PSU update
  71. Low level interconnect (RCA) measurements
  72. what are the blocks generally found in a pre-amp board?
  73. Carver ct-3 preamp
  74. Advice on a preamp/external volume control for use with active monitors
  75. Audiophile quality preamp
  76. Building a Line Level Mixer, Transformer advice needed
  77. Sowter type 3232
  78. Super tone controls-I need PCB
  79. L-pad attenuator on preamp output
  80. DI output protection from phantom power
  81. Getting Started on Preamp Design
  82. Balanced to unbalanced.
  83. Input device protection
  84. WTB LDR volume control PCB ?
  85. Adding Input Gain +/-
  86. Room correction using a modified Linkwitz Transform Circuit
  87. How to change active xover frecuencies
  88. non inverting opamp with gain
  89. Digital volume control for 7.1 preamp
  90. Current options for a budget active LLXO?
  91. low impedance high-pass filter
  92. AKG Perception 100 mic repair
  93. How do I configure a simple logic control
  94. PCB, Tone Control with Transistors and dual supply
  95. very very simple DJ mixer aka summing amp?
  96. Passive low pass filter for subwoofer
  97. Linn Exotik/S non DA version lock up problem
  98. Shine7 12au7 preamp builds?
  99. non-DSP delay - is it possible?
  100. Stevens & Billington TX102 Passive preamp Built
  101. Loading considerations in Filter design
  102. TEAD (Tom Evans Audio Design) Groove RIAA MC Phono Preamp - want simplified Schematic
  103. Diodes instead of input selector (insane newbie question)?
  104. Experience with anti-parallel electrolytic capacitors?
  105. Best wire for passive pre?
  106. Which Op Amp Supply Bypass Technique for Low Noise?
  107. Add MONO/DIM to DAC/Preamp
  108. Crackling from input cable (even when there is no input)
  109. Best sounding signal level relay?
  110. Mic preamp around transformer
  111. Questions on op amp settling time and quiescent current.
  112. question on crossover board layout
  113. Bugle 2 problem
  114. Rca Passive Summing Box
  115. RC Chain in a 3 Band Baxandall EQ Circuit?
  116. Parallel transformer output
  117. Modding Marantz PM-15S1
  118. Sony TA4300F Crossover
  119. Upgrading a commercial phono stage
  120. New Bonsai Preamp
  121. Help with line input switch
  122. Remember the thermal noise....
  123. Help with passive attenuator for headphone amp
  124. Do amp inputs interact with each other?
  125. 6n11 preamp hum
  126. need help with boombox pre-amp/tone control design
  127. Muses01 op amp mod for Rotel RSP-1098(+\-18v)?
  128. low pass filter for DAC output
  129. Driving headphone from speaker output - filtering layout
  130. Highpass mic filter
  131. suitable power supply for dozen opamps?
  132. Little sub preamp/phase circuit
  133. RCA Mixer/Combiner
  134. Offset Problem with Borbely JFET-Buffers
  135. op amp class a bias
  136. Effects of Opamp Loading?
  137. Alps RK27 Motorized Pot - Teardown
  138. TDA7439 tone control IC any good?
  139. 100HZ PLLXO
  140. Bourns PTD90 Series Potentiometer
  141. lowest load for line level equipment to not harm the output stage?
  142. Most important opamp?
  143. 5.1 decode in preamp?
  144. Preamp Recommendation For Millett "Engineer's Amplifier"
  145. Tone feedback loop- can you spot the problem?
  146. DIY turnable amplifier aka RIAA - newbie questions!
  147. Great Deal on RCA Interconnects (Canada)
  148. preamp for hlly tamp-90
  149. AD815ARB-24 availability in any online stores? couldnt find
  150. Super Chip Preamp v1.2 (LT1363)
  151. Opinion on differential low pass filter
  152. Active Low Pass
  153. Differential preamplifier
  154. trouble with varimu compressor design
  155. PGA2311 volume control.
  156. Active Crossover frequency response - help needed HH X300
  157. Suggestion For CFA Op-amp
  158. preamp/mixer combo
  159. 12 channel volume control unit?
  160. Documentation on designing preamps
  161. Clean Line Output? OPA627
  162. Active crossover with AD815?
  163. Carlos AD815 pre voltage supply recommendations
  164. Help with Sowter 1990 SUT wiring
  165. Line level rc lowpass clicking
  166. Attenuator for Passive pre amp, best sounding solution
  167. Source for custom-terminated interconnects ?
  168. Onboard JFET Instrument Low-Z Preamp Help?
  169. Why white noise is always present?
  170. How to implement a pop free/low distortion muting circuit?
  171. Suggestions Requested for Mini Buffer Preamp
  172. Mini-Me second edition tube phono preamp
  173. Balanced fixed H attenuator for line level
  174. impedance symptom
  175. How to link two cores with TRS connector?
  176. Turntable earthing woes
  177. tuac weight and tops preamp
  178. Suggestions for single bipolar input op amp?
  179. Pop/click free HW-based relay attenuator
  180. THAT 1646 PCB - help me review please
  181. new line-preamp
  182. Question on Rod Elliott's P088 op-amp based preamp
  183. Pot hum/external speakers
  184. Will this circuit work?
  185. wiring sub to tube stereo
  186. TI on Filter Noise
  187. Compressor design - Sedra/Smith book
  188. ultra low dist pre Sandman distortion null
  189. Grounding question in phono preamp with battery supply
  190. LME49990 in gain buffer - help please
  191. Khozomo MKII Attenuator review
  192. Which MM Phono Amp ?
  193. Transistors in Buffer Circuit Running Too Hot
  194. Building a complete Preamp with an Arduino, remote, volume and input control
  195. MOSFET's Rds in the signal path, when?
  196. Preferences for setting up an EQ
  197. One more volume control
  198. Shedding 2 awful junctions in the signal path
  199. Line level distribution
  200. INA217 gain calculation
  201. Does this circuit have gain?
  202. An interesting JFET-based active XO circuit from TNT Audio
  203. Peak detector reference voltage level
  204. Goldmund Mimesis 27 Preamp clone
  205. AKAI S3200XL unbal to balanced outputs with VT24499
  206. MooseFET preamplifier?
  207. 6ch(12ch) Volume Control for DSP/DAC/BUFFER/POWERAMP
  208. Parametric EQ after pre-amp
  209. TL072 VS NE5532
  210. Grounding question
  211. Need best tone control
  212. How to switch 2 Sources and 2 Amps
  213. Mic Preamp limitor/Automatic level controller
  214. Douglas Self PreAmp 2012
  215. Is this layout OK? Advice please :)
  216. Microphone Preamp balanced voltage levels
  217. PASSIVE PRE-AMPLIFIER BUILDER REQ
  218. active bass boost
  219. SSM2019 single chip preamplifier?
  220. Rane AC23B active crossover
  221. XD3 crossover?
  222. Muting Circuit
  223. Noticeable difference in low freqs between two channels on a Drawmer DL221 compressor
  224. The precise audio signal level control 5.1
  225. Yamaha a-320
  226. Why not Wye?
  227. Help with high DC at output of Forte clone
  228. Humming DRV134 balanced output.
  229. Problem with parametric equalizer
  230. HLLY AMK-II First (and last) Impressions
  231. Salas hotrodded DCB1 resistor tryouts
  232. NE5532 in quad TSSOP package or similar?
  233. Another low distortion buffer
  234. DBX-122 schematic
  235. Audible Illusions L1 background noise
  236. TDA1524A IC Pre-Amp
  237. Please confirm something basic for me
  238. Parasound P/PH-100 hum
  239. Sonographe SC22 schematics
  240. What makes Reference Line Preeminence so good?
  241. push switch pinout
  242. What is 'Good' Common Mode Rejection?
  243. mf x-p100 power supply
  244. Opamp Having Oscillation
  245. Yamaha MSP7 − 22pF between Op Amp inputs? Why?
  246. How to reduce measured noise floor in my DAC/opamp circuit
  247. Switch Types
  248. Simple MOSFET preamp
  249. The Kuartlotron - keantoken's simple error-correction superbuffer
  250. how much gain do i get on this preamp(ad797)?

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