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  1. LECUA 1000 attenuator from Luxman ?
  2. Line Level Output to Guitar Amplifier Input
  3. is there an off the shelf preamp module that works with the apple remote?
  4. How about this sub crossover filter?
  5. help with 2 pole low pass filter/attenuator
  6. Zobel at the srpp input
  7. Preamp noise after PSU update
  8. Low level interconnect (RCA) measurements
  9. what are the blocks generally found in a pre-amp board?
  10. Carver ct-3 preamp
  11. Advice on a preamp/external volume control for use with active monitors
  12. Audiophile quality preamp
  13. Building a Line Level Mixer, Transformer advice needed
  14. Sowter type 3232
  15. Super tone controls-I need PCB
  16. L-pad attenuator on preamp output
  17. DI output protection from phantom power
  18. Getting Started on Preamp Design
  19. Balanced to unbalanced.
  20. Input device protection
  21. WTB LDR volume control PCB ?
  22. Adding Input Gain +/-
  23. Room correction using a modified Linkwitz Transform Circuit
  24. How to change active xover frecuencies
  25. non inverting opamp with gain
  26. Digital volume control for 7.1 preamp
  27. Current options for a budget active LLXO?
  28. low impedance high-pass filter
  29. AKG Perception 100 mic repair
  30. How do I configure a simple logic control
  31. PCB, Tone Control with Transistors and dual supply
  32. very very simple DJ mixer aka summing amp?
  33. Passive low pass filter for subwoofer
  34. Linn Exotik/S non DA version lock up problem
  35. Shine7 12au7 preamp builds?
  36. non-DSP delay - is it possible?
  37. Stevens & Billington TX102 Passive preamp Built
  38. Loading considerations in Filter design
  39. TEAD (Tom Evans Audio Design) Groove RIAA MC Phono Preamp - want simplified Schematic
  40. Diodes instead of input selector (insane newbie question)?
  41. Experience with anti-parallel electrolytic capacitors?
  42. Best wire for passive pre?
  43. Which Op Amp Supply Bypass Technique for Low Noise?
  44. Add MONO/DIM to DAC/Preamp
  45. Crackling from input cable (even when there is no input)
  46. Best sounding signal level relay?
  47. Mic preamp around transformer
  48. Questions on op amp settling time and quiescent current.
  49. question on crossover board layout
  50. Bugle 2 problem
  51. Rca Passive Summing Box
  52. RC Chain in a 3 Band Baxandall EQ Circuit?
  53. Parallel transformer output
  54. Modding Marantz PM-15S1
  55. Sony TA4300F Crossover
  56. Upgrading a commercial phono stage
  57. New Bonsai Preamp
  58. Help with line input switch
  59. Remember the thermal noise....
  60. Help with passive attenuator for headphone amp
  61. Do amp inputs interact with each other?
  62. 6n11 preamp hum
  63. need help with boombox pre-amp/tone control design
  64. Muses01 op amp mod for Rotel RSP-1098(+\-18v)?
  65. low pass filter for DAC output
  66. Driving headphone from speaker output - filtering layout
  67. Highpass mic filter
  68. suitable power supply for dozen opamps?
  69. Little sub preamp/phase circuit
  70. RCA Mixer/Combiner
  71. Offset Problem with Borbely JFET-Buffers
  72. op amp class a bias
  73. Effects of Opamp Loading?
  74. Alps RK27 Motorized Pot - Teardown
  75. TDA7439 tone control IC any good?
  76. 100HZ PLLXO
  77. Bourns PTD90 Series Potentiometer
  78. lowest load for line level equipment to not harm the output stage?
  79. Most important opamp?
  80. 5.1 decode in preamp?
  81. Preamp Recommendation For Millett "Engineer's Amplifier"
  82. Tone feedback loop- can you spot the problem?
  83. DIY turnable amplifier aka RIAA - newbie questions!
  84. Great Deal on RCA Interconnects (Canada)
  85. preamp for hlly tamp-90
  86. AD815ARB-24 availability in any online stores? couldnt find
  87. Super Chip Preamp v1.2 (LT1363)
  88. Opinion on differential low pass filter
  89. Active Low Pass
  90. Differential preamplifier
  91. trouble with varimu compressor design
  92. PGA2311 volume control.
  93. Active Crossover frequency response - help needed HH X300
  94. Suggestion For CFA Op-amp
  95. preamp/mixer combo
  96. 12 channel volume control unit?
  97. Documentation on designing preamps
  98. Clean Line Output? OPA627
  99. Active crossover with AD815?
  100. Carlos AD815 pre voltage supply recommendations
  101. Help with Sowter 1990 SUT wiring
  102. Line level rc lowpass clicking
  103. Attenuator for Passive pre amp, best sounding solution
  104. Source for custom-terminated interconnects ?
  105. Onboard JFET Instrument Low-Z Preamp Help?
  106. Why white noise is always present?
  107. How to implement a pop free/low distortion muting circuit?
  108. Suggestions Requested for Mini Buffer Preamp
  109. Mini-Me second edition tube phono preamp
  110. Balanced fixed H attenuator for line level
  111. impedance symptom
  112. How to link two cores with TRS connector?
  113. Turntable earthing woes
  114. tuac weight and tops preamp
  115. Suggestions for single bipolar input op amp?
  116. Pop/click free HW-based relay attenuator
  117. THAT 1646 PCB - help me review please
  118. new line-preamp
  119. Question on Rod Elliott's P088 op-amp based preamp
  120. Pot hum/external speakers
  121. Will this circuit work?
  122. wiring sub to tube stereo
  123. TI on Filter Noise
  124. Compressor design - Sedra/Smith book
  125. ultra low dist pre Sandman distortion null
  126. Grounding question in phono preamp with battery supply
  127. LME49990 in gain buffer - help please
  128. Khozomo MKII Attenuator review
  129. Which MM Phono Amp ?
  130. Transistors in Buffer Circuit Running Too Hot
  131. Building a complete Preamp with an Arduino, remote, volume and input control
  132. MOSFET's Rds in the signal path, when?
  133. Preferences for setting up an EQ
  134. One more volume control
  135. Shedding 2 awful junctions in the signal path
  136. Line level distribution
  137. INA217 gain calculation
  138. Does this circuit have gain?
  139. An interesting JFET-based active XO circuit from TNT Audio
  140. Peak detector reference voltage level
  141. Goldmund Mimesis 27 Preamp clone
  142. AKAI S3200XL unbal to balanced outputs with VT24499
  143. MooseFET preamplifier?
  144. 6ch(12ch) Volume Control for DSP/DAC/BUFFER/POWERAMP
  145. Parametric EQ after pre-amp
  146. TL072 VS NE5532
  147. Grounding question
  148. Need best tone control
  149. How to switch 2 Sources and 2 Amps
  150. Mic Preamp limitor/Automatic level controller
  151. Douglas Self PreAmp 2012
  152. Is this layout OK? Advice please :)
  153. Microphone Preamp balanced voltage levels
  154. PASSIVE PRE-AMPLIFIER BUILDER REQ
  155. active bass boost
  156. SSM2019 single chip preamplifier?
  157. Rane AC23B active crossover
  158. XD3 crossover?
  159. Muting Circuit
  160. Noticeable difference in low freqs between two channels on a Drawmer DL221 compressor
  161. The precise audio signal level control 5.1
  162. Yamaha a-320
  163. Why not Wye?
  164. Help with high DC at output of Forte clone
  165. Humming DRV134 balanced output.
  166. Problem with parametric equalizer
  167. HLLY AMK-II First (and last) Impressions
  168. Salas hotrodded DCB1 resistor tryouts
  169. NE5532 in quad TSSOP package or similar?
  170. Another low distortion buffer
  171. DBX-122 schematic
  172. Audible Illusions L1 background noise
  173. TDA1524A IC Pre-Amp
  174. Please confirm something basic for me
  175. Parasound P/PH-100 hum
  176. Sonographe SC22 schematics
  177. What makes Reference Line Preeminence so good?
  178. push switch pinout
  179. What is 'Good' Common Mode Rejection?
  180. mf x-p100 power supply
  181. Opamp Having Oscillation
  182. Yamaha MSP7 − 22pF between Op Amp inputs? Why?
  183. How to reduce measured noise floor in my DAC/opamp circuit
  184. Switch Types
  185. Simple MOSFET preamp
  186. The Kuartlotron - keantoken's simple error-correction superbuffer
  187. how much gain do i get on this preamp(ad797)?
  188. how to implement line level bsc on a full balanced setup?
  189. 3 channel quad mixer with front to rear pan
  190. Meridian 502 balanced output circuit
  191. kmtech 2 way, active x over, is it elliptical?
  192. Attenuator kit suggestions sought
  193. How do you create a low shelf with passives?
  194. harman opamp advice
  195. Help needed with a transamp mic preamp circuit.
  196. Kleos 2 Way JFET Crossover with EQ
  197. see this preamp circuit diagram
  198. pre-amp tune up
  199. Preamplifier with aux and mic inputs
  200. Schematic wanted for portable SONY Monaural Receiver ICF-6000L
  201. Need a high quality SS mic preamp kit
  202. Marantz 2270 Preamp
  203. Source selector without mechanical switch
  204. Imaging skewed to the left
  205. THD calc from spectrum analyzer help
  206. A question regarding "loudness"
  207. Did I put these back in the correct spots?
  208. Lookin for nice simple XLR out preamp?
  209. Boz preamp and PLLXO
  210. Sound City studios/Neve etc Documentary
  211. Adding a tube preamp to a solid state combo amp
  212. BAT VK-32SE
  213. The Heavy Cross - ideas about a transconductance phase-splitting amp
  214. Tip on high amplification, low distortion, single-ended, no feedback circuitry?
  215. PC900 tube as a preamp...pictures
  216. Input transformer for summing amp
  217. Stereo to mono summing, which end to sum?
  218. Bass distortion when using digital pot
  219. need help with mute circuit for preamp
  220. JC2 v1.6 preamplifier build
  221. 3-pin balanced XLR - gender conventions
  222. help getting to 47kohm impedance
  223. Volume Control and Sound Quality
  224. Solid State Phono Stage
  225. Balanced ladder attenuator, make before brake question
  226. Standard spacing for XLR connectors
  227. Basic Pre-Amp Kit
  228. Single to differential into amp - transformer or dual opamp
  229. JFET follower Baffle Step Possible? Bass Boost?
  230. Op amps for active Xover and line drivers
  231. crossover buffer question
  232. Balanced LDR attenuator
  233. I'd like to add an Analog In and Out Section to an Elite 62FD Player
  234. Advice needed: mixed order Linkwitz Riley crossover
  235. Best-Sounding RC Attenuator & Source Selection System
  236. Ultra Low Noise - Ultra Low Impedance - Ultra big Problems!
  237. Anyone Ever Heard of a Soho Quatro Preamp?
  238. Help please: need wiring schema for S&B TX-102 TVC
  239. mp3 --> ? Input Transformer ? --> class d
  240. Aikido Octal All in One transformer help
  241. Designing a noob-preamp (single supply)
  242. RIAA Pacific rookie attempt
  243. This may be a silly question...
  244. 1st pre amp build, 1/2 way anyways
  245. Stereo to mono
  246. Tone control schematic with surround sound (?)
  247. Linkwitz Transform Arrangement to optimize subwoofer response
  248. Need help....................
  249. to switch or not?
  250. line transformer matching impedance Icepower 50ASX2

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