View Full Version : Analog Line Level

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  1. 3 channel quad mixer with front to rear pan
  2. Meridian 502 balanced output circuit
  3. kmtech 2 way, active x over, is it elliptical?
  4. Attenuator kit suggestions sought
  5. How do you create a low shelf with passives?
  6. harman opamp advice
  7. Help needed with a transamp mic preamp circuit.
  8. Kleos 2 Way JFET Crossover with EQ
  9. see this preamp circuit diagram
  10. pre-amp tune up
  11. Preamplifier with aux and mic inputs
  12. Schematic wanted for portable SONY Monaural Receiver ICF-6000L
  13. Need a high quality SS mic preamp kit
  14. Marantz 2270 Preamp
  15. Source selector without mechanical switch
  16. Imaging skewed to the left
  17. THD calc from spectrum analyzer help
  18. A question regarding "loudness"
  19. Did I put these back in the correct spots?
  20. Lookin for nice simple XLR out preamp?
  21. Boz preamp and PLLXO
  22. Sound City studios/Neve etc Documentary
  23. Adding a tube preamp to a solid state combo amp
  24. BAT VK-32SE
  25. The Heavy Cross - ideas about a transconductance phase-splitting amp
  26. Tip on high amplification, low distortion, single-ended, no feedback circuitry?
  27. PC900 tube as a preamp...pictures
  28. Input transformer for summing amp
  29. Stereo to mono summing, which end to sum?
  30. Bass distortion when using digital pot
  31. need help with mute circuit for preamp
  32. JC2 v1.6 preamplifier build
  33. 3-pin balanced XLR - gender conventions
  34. help getting to 47kohm impedance
  35. Volume Control and Sound Quality
  36. Solid State Phono Stage
  37. Balanced ladder attenuator, make before brake question
  38. Standard spacing for XLR connectors
  39. Basic Pre-Amp Kit
  40. Single to differential into amp - transformer or dual opamp
  41. JFET follower Baffle Step Possible? Bass Boost?
  42. Op amps for active Xover and line drivers
  43. crossover buffer question
  44. Balanced LDR attenuator
  45. I'd like to add an Analog In and Out Section to an Elite 62FD Player
  46. Advice needed: mixed order Linkwitz Riley crossover
  47. Best-Sounding RC Attenuator & Source Selection System
  48. Ultra Low Noise - Ultra Low Impedance - Ultra big Problems!
  49. Anyone Ever Heard of a Soho Quatro Preamp?
  50. Help please: need wiring schema for S&B TX-102 TVC
  51. mp3 --> ? Input Transformer ? --> class d
  52. Aikido Octal All in One transformer help
  53. Designing a noob-preamp (single supply)
  54. RIAA Pacific rookie attempt
  55. This may be a silly question...
  56. 1st pre amp build, 1/2 way anyways
  57. Stereo to mono
  58. Tone control schematic with surround sound (?)
  59. Linkwitz Transform Arrangement to optimize subwoofer response
  60. Need help....................
  61. to switch or not?
  62. line transformer matching impedance Icepower 50ASX2
  63. Hot Rodding the Musical Fidelity X-Pre
  64. Any experience with Elliott Sound VCA Pre-Amp
  65. Humm noise on pre McIntosh MX136
  66. Stupid Q ... what determines "signal ground" on a unity gain buffer?
  67. carver C-2 pre hum?
  68. LME49720 preamp for F5
  69. Audio Research LS-1 Schematic & Parts List?
  70. Help for MUSES 72320 DIY kit
  71. Middle Controls
  72. Dual Regulated Bugle Phono Preamp?
  73. How to run line level output to ground
  74. SSM2019BNZ for 'gainy' pre-amp?
  75. DBX Active Crossover
  76. Luxman C1000 preamp starts clicking on and off rapidly after 20 min
  77. Stereo + LFE (2.1)?
  78. Cat5 Audio Line Noise
  79. STP analog audio interconnect ex-Firewire
  80. Octal ccda inclosure build (lots of pics!)
  81. Question about speaker protection kit circuit
  82. Simple Question about Speaker Protection
  83. low pass filter
  84. Checking needed: 2way active crossover
  85. Cermet or conductive plastic
  86. any one have schematic of this cross over?
  87. Forte F-44
  88. multiple devices feeding a single line input
  89. op amp selection?
  90. Sound-card info needed?
  91. Reducing effects of floor vibrations
  92. Preamp kit recommendations
  93. Signal LED causing distortion
  94. Should I be worried about gain structure?
  95. Soundcard input protection circuit
  96. Balanced line receiver (INA134) - RFI caps - compromise between CMRR/RFI filtering
  97. simple questions: integrating pre and power amp
  98. Need help with subwoofer integration with ZAPH AUDIO SR71
  99. ss chinese preamplifiers?
  100. Help with Passive Summing Theory
  101. Exploring possibilities new downward expander design
  102. mark levinson jc2 defect
  103. PreAmp Voltage/Impedance
  104. LOC Vs. Amps High Level Inputs
  105. Preamp design, include gain bypass?
  106. Thoughts on this input selector PCB? How can I add volume control?
  107. Pot imbalance
  108. Power Supply Upgrade - Request Sanity Check
  109. ADC0804 Relay Attenuator
  110. Experience with edcor xsm2.4k-600 as preamp/dac output ?
  111. Baxandall tone topologies
  112. Volume (level) ... the bottom line
  113. Marchand XM-1 mystery parts
  114. Simaudio CP-8 Owners: Did you know that it was a Denon?
  115. Supply voltage vs performance
  116. 10 band equalizer based on LM833
  117. What kind of filter is this
  118. PS III Linear Control Center
  119. How loud?
  120. comparison idea concerning the villex passive booster jack
  121. Finally! the high gain I needed...
  122. John Curl's Blowtorch preamplifier part III
  123. SAE P101 cap replacement-help wanted
  124. Tracing Hum in Passive Line Level Filter
  125. Troubleshooting a preamp - sources of buzz/humm/hiss
  126. High Dc offset voltage on the input line
  127. Potentiometer selection for my diy project
  128. Pre-amp to power amp problem
  129. Op-amp for Single-Rail Supply
  130. what is the best route for a 2.5 system?
  131. Counterpoint SA-3 rebuild
  132. ground "loop" type issue with Android phones into class D amps
  133. Single ended to balanced conversion
  134. Leveling line signals to power amp
  135. OPA2134 Tilt Equalizer
  136. Removing a Crossover from a poweramp
  137. ls404 based active crossover try
  138. Equalizer
  139. Bose 901 Series IV ActiVe EQ schematic
  140. help with diy phono preamp
  141. PGA2310 preamplifier
  142. Opamp Line Attenuator and Buffer Question
  143. Tube Preamp with HT Bypass...
  144. 4 chanel Stereo Input Selector
  145. Bose 901 series I active equalizer DIY
  146. 110db SNR discrete buffered preamplifier with Vclip indicator
  147. 512-MPSA92 Replacement in MOX
  148. Help with "IPOD" in car audio application
  149. Transistor Preamplifier -part values for higher voltage rail.
  150. P37 pre from Elliot --lowering gain
  151. How to buffer the analog out put of a DAC chip
  152. 7.1 Switcher
  153. How to check circuit for oscillation?
  154. How to "Sum" L+R signals for a mono sub output?
  155. need btl schematic using op-amp
  156. 600:10k line stage transformers any use?
  157. JC-2 Clone Build
  158. Carver C1 preamp loud static "pop"
  159. Understanding and optimizing Ashly xover help?
  160. Current Feedback Opamps in simulation and practice.
  161. fluorescent peak meter
  162. DIY Preamp recommendations
  163. Active Crossover Design: How the drivers influence filter type/topology/slope?
  164. Sumo Athena II balanced?
  165. help me, please find a service manual for dbx386 for repair
  166. PGA2310 impedance questions
  167. Remote control kaput?
  168. Pre amplifier or not?
  169. line level strength - big boost required
  170. input selector, to use resistors at the inputs or not
  171. AH Pre line stage
  172. internal cable recommendation
  173. want to make a splitter box for use with mixer inserts
  174. Modding Ecler AC-6 talkover release
  175. ADC Sound Shaper 3 EQ
  176. Schematic wanted for parametric Equalizers from Behringer and IBANEZ
  177. What else? A PGA-preamplifier...
  178. Modding My ADC SS100-SL Equalizer
  179. Preamp Gain for NE5532
  180. Gain regulation on Counterpoint SA3000
  181. Any analog xovers as good as Ashly XR series?
  182. THAT 5171 Controlled By Arduino?
  183. Ground Loop in UREI 1176 compressor
  184. Handling inactive inputs in source selector
  185. How to split output from phono stage
  186. low pass and subsonic filter
  187. BEQ circuit
  188. Adding in RCA Outputs
  189. Wanted: 80Hz Linkwitz-Riley 24hz/octive low-pass filter
  190. Jumper wires & RFI in preamp
  191. Help with component selection for filter
  192. INKEL MX991
  193. Active Crossover Adjustment
  194. CS3318 based preamp - layout
  195. EAD Theatermaster Classic won't operate
  196. filter Q Question
  197. Buffering two signals together
  198. How to bias 2SK170BL in Boozehound Labs phono pre?
  199. Can I make a really simplistic line-level signal go mono one way, stereo in parallel?
  200. Aikido - approximate input impedance
  201. Ultimate analogue tone control or an audiophool overkill? :)
  202. A remote control preamp in the works
  203. Custom Equalizer Design needed
  204. Multichannel preamp
  205. Hafler Iris Preamp balance issue - fixed
  206. Acurus L10 Preamp Mods & Schematic
  207. Home made DSP / FPGA digital audio mixer
  208. Soundcraft LX7 Replacement parts
  209. Bonsai's practical buffer
  210. Help needed with an audio signal splitter solution
  211. Crosstalk?
  212. i want to throw something
  213. Optimizing resistor placement Vishay TX2575
  214. Input impedance of PRE vs sensitivity to disturbance
  215. PIC Controlled PGA 2320 8 Channel Preamp
  216. How to change a degree of volume pot rotation by remote control?
  217. tamura input transformer shield
  218. Need a help: Mark Levinson No26.
  219. LME49720 Pre amp PCB/Kit
  220. Faulty mixer inputs
  221. Basic home cinema wiring advice
  222. Diamond Cascode, a Diamond-like buffer/current booster
  223. Unusual high-pitched whistle caused by my Audio Pre-AMP
  224. Looking to build stereo mixer but can't find many schematics!
  225. Aureus preAmplifier
  226. strange! LM-4562 question
  227. Tube Preamp hummmmmm
  228. LCDuino-1 Processor, using non-latching relays help
  229. CS3318 PCB Layout
  230. Levels in an active three-way system
  231. Source selector using Analog switches or multiplexers - opinions?
  232. Yet another PGA23xx board...
  233. Concentric shaft Alps "Blue" pot
  234. Cleaning dusty printed circuit boards
  235. ad797 plus buf634
  236. Bypass - ceramic or film?
  237. tweeter crossover
  238. This pre-amp good?
  239. Remote Control Pot
  240. VU Meter ballistics
  241. The "AmpDuino" project
  242. Capacitors at 50v vs 25v on replacement in preamp power supply?
  243. Knocking sound coming from PCB
  244. Versatile quad-amp card
  245. 4-channel 20dB gain stage with unbal inputs and unbal+bal outputs: Any Interest?
  246. Just built a Hagerman Cornet 2 phono pre
  247. ad797 questions
  248. [Newbie]Audio bandpass filter design
  249. Wideband DCA preamp with shunt PS
  250. 3-way input selector + Attenuator + Balanced outputs?

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