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. Analog Active Crossover PCB
  44. crossover buffer question
  45. Balanced LDR attenuator
  46. I'd like to add an Analog In and Out Section to an Elite 62FD Player
  47. Advice needed: mixed order Linkwitz Riley crossover
  48. Best-Sounding RC Attenuator & Source Selection System
  49. Ultra Low Noise - Ultra Low Impedance - Ultra big Problems!
  50. Anyone Ever Heard of a Soho Quatro Preamp?
  51. Help please: need wiring schema for S&B TX-102 TVC
  52. mp3 --> ? Input Transformer ? --> class d
  53. Aikido Octal All in One transformer help
  54. Designing a noob-preamp (single supply)
  55. RIAA Pacific rookie attempt
  56. This may be a silly question...
  57. 1st pre amp build, 1/2 way anyways
  58. Stereo to mono
  59. Tone control schematic with surround sound (?)
  60. Linkwitz Transform Arrangement to optimize subwoofer response
  61. Need help....................
  62. to switch or not?
  63. line transformer matching impedance Icepower 50ASX2
  64. Hot Rodding the Musical Fidelity X-Pre
  65. Any experience with Elliott Sound VCA Pre-Amp
  66. Humm noise on pre McIntosh MX136
  67. Stupid Q ... what determines "signal ground" on a unity gain buffer?
  68. carver C-2 pre hum?
  69. LME49720 preamp for F5
  70. Audio Research LS-1 Schematic & Parts List?
  71. Help for MUSES 72320 DIY kit
  72. Middle Controls
  73. Dual Regulated Bugle Phono Preamp?
  74. How to run line level output to ground
  75. SSM2019BNZ for 'gainy' pre-amp?
  76. DBX Active Crossover
  77. Luxman C1000 preamp starts clicking on and off rapidly after 20 min
  78. Stereo + LFE (2.1)?
  79. Cat5 Audio Line Noise
  80. STP analog audio interconnect ex-Firewire
  81. Octal ccda inclosure build (lots of pics!)
  82. Question about speaker protection kit circuit
  83. Simple Question about Speaker Protection
  84. low pass filter
  85. Checking needed: 2way active crossover
  86. Cermet or conductive plastic
  87. any one have schematic of this cross over?
  88. Forte F-44
  89. multiple devices feeding a single line input
  90. op amp selection?
  91. Sound-card info needed?
  92. Reducing effects of floor vibrations
  93. Preamp kit recommendations
  94. Signal LED causing distortion
  95. Should I be worried about gain structure?
  96. Soundcard input protection circuit
  97. Balanced line receiver (INA134) - RFI caps - compromise between CMRR/RFI filtering
  98. simple questions: integrating pre and power amp
  99. Need help with subwoofer integration with ZAPH AUDIO SR71
  100. ss chinese preamplifiers?
  101. Help with Passive Summing Theory
  102. Exploring possibilities new downward expander design
  103. mark levinson jc2 defect
  104. PreAmp Voltage/Impedance
  105. LOC Vs. Amps High Level Inputs
  106. Preamp design, include gain bypass?
  107. Thoughts on this input selector PCB? How can I add volume control?
  108. Pot imbalance
  109. Power Supply Upgrade - Request Sanity Check
  110. ADC0804 Relay Attenuator
  111. Experience with edcor xsm2.4k-600 as preamp/dac output ?
  112. Baxandall tone topologies
  113. Volume (level) ... the bottom line
  114. Marchand XM-1 mystery parts
  115. Simaudio CP-8 Owners: Did you know that it was a Denon?
  116. Supply voltage vs performance
  117. 10 band equalizer based on LM833
  118. What kind of filter is this
  119. PS III Linear Control Center
  120. How loud?
  121. comparison idea concerning the villex passive booster jack
  122. Finally! the high gain I needed...
  123. John Curl's Blowtorch preamplifier part III
  124. SAE P101 cap replacement-help wanted
  125. Tracing Hum in Passive Line Level Filter
  126. Troubleshooting a preamp - sources of buzz/humm/hiss
  127. High Dc offset voltage on the input line
  128. Potentiometer selection for my diy project
  129. Pre-amp to power amp problem
  130. Op-amp for Single-Rail Supply
  131. what is the best route for a 2.5 system?
  132. Counterpoint SA-3 rebuild
  133. ground "loop" type issue with Android phones into class D amps
  134. Single ended to balanced conversion
  135. Leveling line signals to power amp
  136. OPA2134 Tilt Equalizer
  137. Removing a Crossover from a poweramp
  138. ls404 based active crossover try
  139. Equalizer
  140. Bose 901 Series IV ActiVe EQ schematic
  141. help with diy phono preamp
  142. PGA2310 preamplifier
  143. Opamp Line Attenuator and Buffer Question
  144. Tube Preamp with HT Bypass...
  145. 4 chanel Stereo Input Selector
  146. Bose 901 series I active equalizer DIY
  147. 110db SNR discrete buffered preamplifier with Vclip indicator
  148. 512-MPSA92 Replacement in MOX
  149. Help with "IPOD" in car audio application
  150. Transistor Preamplifier -part values for higher voltage rail.
  151. P37 pre from Elliot --lowering gain
  152. How to buffer the analog out put of a DAC chip
  153. 7.1 Switcher
  154. How to check circuit for oscillation?
  155. How to "Sum" L+R signals for a mono sub output?
  156. need btl schematic using op-amp
  157. 600:10k line stage transformers any use?
  158. JC-2 Clone Build
  159. Carver C1 preamp loud static "pop"
  160. Understanding and optimizing Ashly xover help?
  161. Current Feedback Opamps in simulation and practice.
  162. fluorescent peak meter
  163. DIY Preamp recommendations
  164. Active Crossover Design: How the drivers influence filter type/topology/slope?
  165. Sumo Athena II balanced?
  166. help me, please find a service manual for dbx386 for repair
  167. PGA2310 impedance questions
  168. Remote control kaput?
  169. Pre amplifier or not?
  170. line level strength - big boost required
  171. input selector, to use resistors at the inputs or not
  172. AH Pre line stage
  173. internal cable recommendation
  174. want to make a splitter box for use with mixer inserts
  175. Modding Ecler AC-6 talkover release
  176. ADC Sound Shaper 3 EQ
  177. Schematic wanted for parametric Equalizers from Behringer and IBANEZ
  178. What else? A PGA-preamplifier...
  179. Modding My ADC SS100-SL Equalizer
  180. Preamp Gain for NE5532
  181. Gain regulation on Counterpoint SA3000
  182. Any analog xovers as good as Ashly XR series?
  183. THAT 5171 Controlled By Arduino?
  184. Ground Loop in UREI 1176 compressor
  185. Handling inactive inputs in source selector
  186. How to split output from phono stage
  187. low pass and subsonic filter
  188. BEQ circuit
  189. Adding in RCA Outputs
  190. Wanted: 80Hz Linkwitz-Riley 24hz/octive low-pass filter
  191. Jumper wires & RFI in preamp
  192. Help with component selection for filter
  193. INKEL MX991
  194. Active Crossover Adjustment
  195. CS3318 based preamp - layout
  196. EAD Theatermaster Classic won't operate
  197. filter Q Question
  198. Buffering two signals together
  199. How to bias 2SK170BL in Boozehound Labs phono pre?
  200. Can I make a really simplistic line-level signal go mono one way, stereo in parallel?
  201. Aikido - approximate input impedance
  202. Ultimate analogue tone control or an audiophool overkill? :)
  203. A remote control preamp in the works
  204. Custom Equalizer Design needed
  205. Multichannel preamp
  206. Hafler Iris Preamp balance issue - fixed
  207. Acurus L10 Preamp Mods & Schematic
  208. Home made DSP / FPGA digital audio mixer
  209. Soundcraft LX7 Replacement parts
  210. Bonsai's practical buffer
  211. Help needed with an audio signal splitter solution
  212. Crosstalk?
  213. i want to throw something
  214. Optimizing resistor placement Vishay TX2575
  215. Input impedance of PRE vs sensitivity to disturbance
  216. PIC Controlled PGA 2320 8 Channel Preamp
  217. How to change a degree of volume pot rotation by remote control?
  218. tamura input transformer shield
  219. Need a help: Mark Levinson No26.
  220. LME49720 Pre amp PCB/Kit
  221. Faulty mixer inputs
  222. Basic home cinema wiring advice
  223. Diamond Cascode, a Diamond-like buffer/current booster
  224. Unusual high-pitched whistle caused by my Audio Pre-AMP
  225. Looking to build stereo mixer but can't find many schematics!
  226. Aureus preAmplifier
  227. strange! LM-4562 question
  228. Tube Preamp hummmmmm
  229. LCDuino-1 Processor, using non-latching relays help
  230. CS3318 PCB Layout
  231. Levels in an active three-way system
  232. Source selector using Analog switches or multiplexers - opinions?
  233. Yet another PGA23xx board...
  234. Concentric shaft Alps "Blue" pot
  235. Cleaning dusty printed circuit boards
  236. ad797 plus buf634
  237. Bypass - ceramic or film?
  238. tweeter crossover
  239. This pre-amp good?
  240. Remote Control Pot
  241. VU Meter ballistics
  242. The "AmpDuino" project
  243. Capacitors at 50v vs 25v on replacement in preamp power supply?
  244. Knocking sound coming from PCB
  245. Versatile quad-amp card
  246. 4-channel 20dB gain stage with unbal inputs and unbal+bal outputs: Any Interest?
  247. Just built a Hagerman Cornet 2 phono pre
  248. ad797 questions
  249. [Newbie]Audio bandpass filter design
  250. Wideband DCA preamp with shunt PS

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