View Full Version : Analog Line Level

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  1. Getting Started on Preamp Design
  3. Input device protection
  4. WTB LDR volume control PCB ?
  5. Adding Input Gain +/-
  6. Room correction using a modified Linkwitz Transform Circuit
  7. How to change active xover frecuencies
  8. non inverting opamp with gain
  9. Digital volume control for 7.1 preamp
  10. Current options for a budget active LLXO?
  11. low impedance high-pass filter
  12. AKG Perception 100 mic repair
  13. How do I configure a simple logic control
  14. PCB, Tone Control with Transistors and dual supply
  15. very very simple DJ mixer aka summing amp?
  16. Passive low pass filter for subwoofer
  17. Linn Exotik/S non DA version lock up problem
  18. Shine7 12au7 preamp builds?
  19. non-DSP delay - is it possible?
  20. Stevens & Billington TX102 Passive preamp Built
  21. Loading considerations in Filter design
  22. TEAD (Tom Evans Audio Design) Groove RIAA MC Phono Preamp - want simplified Schematic
  23. Diodes instead of input selector (insane newbie question)?
  24. Experience with anti-parallel electrolytic capacitors?
  25. Best wire for passive pre?
  26. Which Op Amp Supply Bypass Technique for Low Noise?
  27. Add MONO/DIM to DAC/Preamp
  28. Crackling from input cable (even when there is no input)
  29. Best sounding signal level relay?
  30. Mic preamp around transformer
  31. Questions on op amp settling time and quiescent current.
  32. question on crossover board layout
  33. Bugle 2 problem
  34. Rca Passive Summing Box
  35. RC Chain in a 3 Band Baxandall EQ Circuit?
  36. Parallel transformer output
  37. Modding Marantz PM-15S1
  38. Sony TA4300F Crossover
  39. Upgrading a commercial phono stage
  40. New Bonsai Preamp
  41. Help with line input switch
  42. Remember the thermal noise....
  43. Help with passive attenuator for headphone amp
  44. Do amp inputs interact with each other?
  45. 6n11 preamp hum
  46. need help with boombox pre-amp/tone control design
  47. Muses01 op amp mod for Rotel RSP-1098(+\-18v)?
  48. low pass filter for DAC output
  49. Driving headphone from speaker output - filtering layout
  50. Highpass mic filter
  51. suitable power supply for dozen opamps?
  52. Little sub preamp/phase circuit
  53. RCA Mixer/Combiner
  54. Offset Problem with Borbely JFET-Buffers
  55. op amp class a bias
  56. Effects of Opamp Loading?
  57. Alps RK27 Motorized Pot - Teardown
  58. TDA7439 tone control IC any good?
  59. 100HZ PLLXO
  60. Bourns PTD90 Series Potentiometer
  61. lowest load for line level equipment to not harm the output stage?
  62. Most important opamp?
  63. 5.1 decode in preamp?
  64. Preamp Recommendation For Millett "Engineer's Amplifier"
  65. Tone feedback loop- can you spot the problem?
  66. DIY turnable amplifier aka RIAA - newbie questions!
  67. Great Deal on RCA Interconnects (Canada)
  68. preamp for hlly tamp-90
  69. AD815ARB-24 availability in any online stores? couldnt find
  70. Super Chip Preamp v1.2 (LT1363)
  71. Opinion on differential low pass filter
  72. Active Low Pass
  73. Differential preamplifier
  74. trouble with varimu compressor design
  75. PGA2311 volume control.
  76. Active Crossover frequency response - help needed HH X300
  77. Suggestion For CFA Op-amp
  78. preamp/mixer combo
  79. 12 channel volume control unit?
  80. Documentation on designing preamps
  81. Clean Line Output? OPA627
  82. Active crossover with AD815?
  83. Carlos AD815 pre voltage supply recommendations
  84. Help with Sowter 1990 SUT wiring
  85. Line level rc lowpass clicking
  86. Attenuator for Passive pre amp, best sounding solution
  87. Source for custom-terminated interconnects ?
  88. Onboard JFET Instrument Low-Z Preamp Help?
  89. Why white noise is always present?
  90. How to implement a pop free/low distortion muting circuit?
  91. Suggestions Requested for Mini Buffer Preamp
  92. Mini-Me second edition tube phono preamp
  93. Balanced fixed H attenuator for line level
  94. impedance symptom
  95. How to link two cores with TRS connector?
  96. Turntable earthing woes
  97. tuac weight and tops preamp
  98. Suggestions for single bipolar input op amp?
  99. Pop/click free HW-based relay attenuator
  100. THAT 1646 PCB - help me review please
  101. new line-preamp
  102. Question on Rod Elliott's P088 op-amp based preamp
  103. Pot hum/external speakers
  104. Will this circuit work?
  105. wiring sub to tube stereo
  106. TI on Filter Noise
  107. Compressor design - Sedra/Smith book
  108. ultra low dist pre Sandman distortion null
  109. Grounding question in phono preamp with battery supply
  110. LME49990 in gain buffer - help please
  111. Khozomo MKII Attenuator review
  112. Which MM Phono Amp ?
  113. Transistors in Buffer Circuit Running Too Hot
  114. Building a complete Preamp with an Arduino, remote, volume and input control
  115. MOSFET's Rds in the signal path, when?
  116. Preferences for setting up an EQ
  117. One more volume control
  118. Shedding 2 awful junctions in the signal path
  119. Line level distribution
  120. INA217 gain calculation
  121. Does this circuit have gain?
  122. An interesting JFET-based active XO circuit from TNT Audio
  123. Peak detector reference voltage level
  124. Goldmund Mimesis 27 Preamp clone
  125. AKAI S3200XL unbal to balanced outputs with VT24499
  126. MooseFET preamplifier?
  127. 6ch(12ch) Volume Control for DSP/DAC/BUFFER/POWERAMP
  128. Parametric EQ after pre-amp
  129. TL072 VS NE5532
  130. Grounding question
  131. Need best tone control
  132. How to switch 2 Sources and 2 Amps
  133. Mic Preamp limitor/Automatic level controller
  134. Douglas Self PreAmp 2012
  135. Is this layout OK? Advice please :)
  136. Microphone Preamp balanced voltage levels
  138. active bass boost
  139. SSM2019 single chip preamplifier?
  140. Rane AC23B active crossover
  141. XD3 crossover?
  142. Muting Circuit
  143. Noticeable difference in low freqs between two channels on a Drawmer DL221 compressor
  144. The precise audio signal level control 5.1
  145. Yamaha a-320
  146. Why not Wye?
  147. Help with high DC at output of Forte clone
  148. Humming DRV134 balanced output.
  149. Problem with parametric equalizer
  150. HLLY AMK-II First (and last) Impressions
  151. Salas hotrodded DCB1 resistor tryouts
  152. NE5532 in quad TSSOP package or similar?
  153. Another low distortion buffer
  154. DBX-122 schematic
  155. Audible Illusions L1 background noise
  156. TDA1524A IC Pre-Amp
  157. Please confirm something basic for me
  158. Parasound P/PH-100 hum
  159. Sonographe SC22 schematics
  160. What makes Reference Line Preeminence so good?
  161. push switch pinout
  162. What is 'Good' Common Mode Rejection?
  163. mf x-p100 power supply
  164. Opamp Having Oscillation
  165. Yamaha MSP7 − 22pF between Op Amp inputs? Why?
  166. How to reduce measured noise floor in my DAC/opamp circuit
  167. Switch Types
  168. Simple MOSFET preamp
  169. The Kuartlotron - keantoken's simple error-correction superbuffer
  170. how much gain do i get on this preamp(ad797)?
  171. how to implement line level bsc on a full balanced setup?
  172. 3 channel quad mixer with front to rear pan
  173. Meridian 502 balanced output circuit
  174. kmtech 2 way, active x over, is it elliptical?
  175. Attenuator kit suggestions sought
  176. How do you create a low shelf with passives?
  177. harman opamp advice
  178. Help needed with a transamp mic preamp circuit.
  179. Kleos 2 Way JFET Crossover with EQ
  180. see this preamp circuit diagram
  181. pre-amp tune up
  182. Preamplifier with aux and mic inputs
  183. Schematic wanted for portable SONY Monaural Receiver ICF-6000L
  184. Need a high quality SS mic preamp kit
  185. Marantz 2270 Preamp
  186. Source selector without mechanical switch
  187. Imaging skewed to the left
  188. THD calc from spectrum analyzer help
  189. A question regarding "loudness"
  190. Did I put these back in the correct spots?
  191. Lookin for nice simple XLR out preamp?
  192. Boz preamp and PLLXO
  193. Sound City studios/Neve etc Documentary
  194. Adding a tube preamp to a solid state combo amp
  195. BAT VK-32SE
  196. The Heavy Cross - ideas about a transconductance phase-splitting amp
  197. Tip on high amplification, low distortion, single-ended, no feedback circuitry?
  198. PC900 tube as a preamp...pictures
  199. Input transformer for summing amp
  200. Stereo to mono summing, which end to sum?
  201. Bass distortion when using digital pot
  202. need help with mute circuit for preamp
  203. JC2 v1.6 preamplifier build
  204. 3-pin balanced XLR - gender conventions
  205. help getting to 47kohm impedance
  206. Volume Control and Sound Quality
  207. Solid State Phono Stage
  208. Balanced ladder attenuator, make before brake question
  209. Standard spacing for XLR connectors
  210. Basic Pre-Amp Kit
  211. Single to differential into amp - transformer or dual opamp
  212. JFET follower Baffle Step Possible? Bass Boost?
  213. Op amps for active Xover and line drivers
  214. crossover buffer question
  215. Balanced LDR attenuator
  216. I'd like to add an Analog In and Out Section to an Elite 62FD Player
  217. Advice needed: mixed order Linkwitz Riley crossover
  218. Best-Sounding RC Attenuator & Source Selection System
  219. Ultra Low Noise - Ultra Low Impedance - Ultra big Problems!
  220. Anyone Ever Heard of a Soho Quatro Preamp?
  221. Help please: need wiring schema for S&B TX-102 TVC
  222. mp3 --> ? Input Transformer ? --> class d
  223. Aikido Octal All in One transformer help
  224. Designing a noob-preamp (single supply)
  225. RIAA Pacific rookie attempt
  226. This may be a silly question...
  227. 1st pre amp build, 1/2 way anyways
  228. Stereo to mono
  229. Tone control schematic with surround sound (?)
  230. Linkwitz Transform Arrangement to optimize subwoofer response
  231. Need help....................
  232. to switch or not?
  233. line transformer matching impedance Icepower 50ASX2
  234. Hot Rodding the Musical Fidelity X-Pre
  235. Any experience with Elliott Sound VCA Pre-Amp
  236. Humm noise on pre McIntosh MX136
  237. Stupid Q ... what determines "signal ground" on a unity gain buffer?
  238. carver C-2 pre hum?
  239. LME49720 preamp for F5
  240. Audio Research LS-1 Schematic & Parts List?
  241. Help for MUSES 72320 DIY kit
  242. Middle Controls
  243. Dual Regulated Bugle Phono Preamp?
  244. How to run line level output to ground
  245. SSM2019BNZ for 'gainy' pre-amp?
  246. DBX Active Crossover
  247. Luxman C1000 preamp starts clicking on and off rapidly after 20 min
  248. Stereo + LFE (2.1)?
  249. Cat5 Audio Line Noise
  250. STP analog audio interconnect ex-Firewire

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