View Full Version : Analog Line Level

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

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