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

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