View Full Version : Analog Line Level

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

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