View Full Version : Analog Line Level

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  1. Help please: need wiring schema for S&B TX-102 TVC
  2. mp3 --> ? Input Transformer ? --> class d
  3. Aikido Octal All in One transformer help
  4. Designing a noob-preamp (single supply)
  5. RIAA Pacific rookie attempt
  6. This may be a silly question...
  7. 1st pre amp build, 1/2 way anyways
  8. Stereo to mono
  9. Tone control schematic with surround sound (?)
  10. Linkwitz Transform Arrangement to optimize subwoofer response
  11. Need help....................
  12. to switch or not?
  13. line transformer matching impedance Icepower 50ASX2
  14. Hot Rodding the Musical Fidelity X-Pre
  15. Any experience with Elliott Sound VCA Pre-Amp
  16. Humm noise on pre McIntosh MX136
  17. Stupid Q ... what determines "signal ground" on a unity gain buffer?
  18. carver C-2 pre hum?
  19. LME49720 preamp for F5
  20. Audio Research LS-1 Schematic & Parts List?
  21. Help for MUSES 72320 DIY kit
  22. Middle Controls
  23. Dual Regulated Bugle Phono Preamp?
  24. How to run line level output to ground
  25. SSM2019BNZ for 'gainy' pre-amp?
  26. DBX Active Crossover
  27. Luxman C1000 preamp starts clicking on and off rapidly after 20 min
  28. Stereo + LFE (2.1)?
  29. Cat5 Audio Line Noise
  30. STP analog audio interconnect ex-Firewire
  31. Octal ccda inclosure build (lots of pics!)
  32. Question about speaker protection kit circuit
  33. Simple Question about Speaker Protection
  34. low pass filter
  35. Checking needed: 2way active crossover
  36. Cermet or conductive plastic
  37. any one have schematic of this cross over?
  38. Forte F-44
  39. multiple devices feeding a single line input
  40. op amp selection?
  41. Sound-card info needed?
  42. Reducing effects of floor vibrations
  43. Preamp kit recommendations
  44. Signal LED causing distortion
  45. Should I be worried about gain structure?
  46. Soundcard input protection circuit
  47. Balanced line receiver (INA134) - RFI caps - compromise between CMRR/RFI filtering
  48. simple questions: integrating pre and power amp
  49. Need help with subwoofer integration with ZAPH AUDIO SR71
  50. ss chinese preamplifiers?
  51. Help with Passive Summing Theory
  52. Exploring possibilities new downward expander design
  53. mark levinson jc2 defect
  54. PreAmp Voltage/Impedance
  55. LOC Vs. Amps High Level Inputs
  56. Preamp design, include gain bypass?
  57. Thoughts on this input selector PCB? How can I add volume control?
  58. Pot imbalance
  59. Power Supply Upgrade - Request Sanity Check
  60. ADC0804 Relay Attenuator
  61. Experience with edcor xsm2.4k-600 as preamp/dac output ?
  62. Baxandall tone topologies
  63. Volume (level) ... the bottom line
  64. Marchand XM-1 mystery parts
  65. Simaudio CP-8 Owners: Did you know that it was a Denon?
  66. Supply voltage vs performance
  67. 10 band equalizer based on LM833
  68. What kind of filter is this
  69. PS III Linear Control Center
  70. How loud?
  71. comparison idea concerning the villex passive booster jack
  72. Finally! the high gain I needed...
  73. John Curl's Blowtorch preamplifier part III
  74. SAE P101 cap replacement-help wanted
  75. Tracing Hum in Passive Line Level Filter
  76. Troubleshooting a preamp - sources of buzz/humm/hiss
  77. High Dc offset voltage on the input line
  78. Potentiometer selection for my diy project
  79. Pre-amp to power amp problem
  80. Op-amp for Single-Rail Supply
  81. what is the best route for a 2.5 system?
  82. Counterpoint SA-3 rebuild
  83. ground "loop" type issue with Android phones into class D amps
  84. Single ended to balanced conversion
  85. Leveling line signals to power amp
  86. OPA2134 Tilt Equalizer
  87. Removing a Crossover from a poweramp
  88. ls404 based active crossover try
  89. Equalizer
  90. Bose 901 Series IV ActiVe EQ schematic
  91. help with diy phono preamp
  92. PGA2310 preamplifier
  93. Opamp Line Attenuator and Buffer Question
  94. Tube Preamp with HT Bypass...
  95. 4 chanel Stereo Input Selector
  96. Bose 901 series I active equalizer DIY
  97. 110db SNR discrete buffered preamplifier with Vclip indicator
  98. 512-MPSA92 Replacement in MOX
  99. Help with "IPOD" in car audio application
  100. Transistor Preamplifier -part values for higher voltage rail.
  101. P37 pre from Elliot --lowering gain
  102. How to buffer the analog out put of a DAC chip
  103. 7.1 Switcher
  104. How to check circuit for oscillation?
  105. How to "Sum" L+R signals for a mono sub output?
  106. need btl schematic using op-amp
  107. 600:10k line stage transformers any use?
  108. JC-2 Clone Build
  109. Carver C1 preamp loud static "pop"
  110. Understanding and optimizing Ashly xover help?
  111. Current Feedback Opamps in simulation and practice.
  112. fluorescent peak meter
  113. DIY Preamp recommendations
  114. Active Crossover Design: How the drivers influence filter type/topology/slope?
  115. Sumo Athena II balanced?
  116. help me, please find a service manual for dbx386 for repair
  117. PGA2310 impedance questions
  118. Remote control kaput?
  119. Pre amplifier or not?
  120. line level strength - big boost required
  121. input selector, to use resistors at the inputs or not
  122. AH Pre line stage
  123. internal cable recommendation
  124. want to make a splitter box for use with mixer inserts
  125. Modding Ecler AC-6 talkover release
  126. ADC Sound Shaper 3 EQ
  127. Schematic wanted for parametric Equalizers from Behringer and IBANEZ
  128. What else? A PGA-preamplifier...
  129. Modding My ADC SS100-SL Equalizer
  130. Preamp Gain for NE5532
  131. Gain regulation on Counterpoint SA3000
  132. Any analog xovers as good as Ashly XR series?
  133. THAT 5171 Controlled By Arduino?
  134. Ground Loop in UREI 1176 compressor
  135. Handling inactive inputs in source selector
  136. How to split output from phono stage
  137. low pass and subsonic filter
  138. BEQ circuit
  139. Adding in RCA Outputs
  140. Wanted: 80Hz Linkwitz-Riley 24hz/octive low-pass filter
  141. Jumper wires & RFI in preamp
  142. Help with component selection for filter
  143. INKEL MX991
  144. Active Crossover Adjustment
  145. CS3318 based preamp - layout
  146. EAD Theatermaster Classic won't operate
  147. filter Q Question
  148. Buffering two signals together
  149. How to bias 2SK170BL in Boozehound Labs phono pre?
  150. Can I make a really simplistic line-level signal go mono one way, stereo in parallel?
  151. Aikido - approximate input impedance
  152. Ultimate analogue tone control or an audiophool overkill? :)
  153. A remote control preamp in the works
  154. Custom Equalizer Design needed
  155. Multichannel preamp
  156. Hafler Iris Preamp balance issue - fixed
  157. Acurus L10 Preamp Mods & Schematic
  158. Home made DSP / FPGA digital audio mixer
  159. Soundcraft LX7 Replacement parts
  160. Bonsai's practical buffer
  161. Help needed with an audio signal splitter solution
  162. Crosstalk?
  163. i want to throw something
  164. Optimizing resistor placement Vishay TX2575
  165. Input impedance of PRE vs sensitivity to disturbance
  166. PIC Controlled PGA 2320 8 Channel Preamp
  167. How to change a degree of volume pot rotation by remote control?
  168. tamura input transformer shield
  169. Need a help: Mark Levinson No26.
  170. LME49720 Pre amp PCB/Kit
  171. Faulty mixer inputs
  172. Basic home cinema wiring advice
  173. Diamond Cascode, a Diamond-like buffer/current booster
  174. Unusual high-pitched whistle caused by my Audio Pre-AMP
  175. Looking to build stereo mixer but can't find many schematics!
  176. Aureus preAmplifier
  177. strange! LM-4562 question
  178. Tube Preamp hummmmmm
  179. LCDuino-1 Processor, using non-latching relays help
  180. CS3318 PCB Layout
  181. Levels in an active three-way system
  182. Source selector using Analog switches or multiplexers - opinions?
  183. Yet another PGA23xx board...
  184. Concentric shaft Alps "Blue" pot
  185. Cleaning dusty printed circuit boards
  186. ad797 plus buf634
  187. Bypass - ceramic or film?
  188. tweeter crossover
  189. This pre-amp good?
  190. Remote Control Pot
  191. VU Meter ballistics
  192. The "AmpDuino" project
  193. Capacitors at 50v vs 25v on replacement in preamp power supply?
  194. Knocking sound coming from PCB
  195. Versatile quad-amp card
  196. 4-channel 20dB gain stage with unbal inputs and unbal+bal outputs: Any Interest?
  197. Just built a Hagerman Cornet 2 phono pre
  198. ad797 questions
  199. [Newbie]Audio bandpass filter design
  200. Wideband DCA preamp with shunt PS
  201. 3-way input selector + Attenuator + Balanced outputs?
  202. subwoofer circuit
  203. Motorised Volume Pot - Controller isolation
  204. Audio compressor to lower TV commercials-help needed
  205. AUS: Alpha 20/10 Preamp & Sigma 22 Builder Required
  206. 2ch passive stereo summing circuit?
  207. designing a 1-Hz lowpass with no DC error
  208. What is a preamp actually doing?
  209. Choosing attenuator for MF X-10D Clone
  210. some questions about DC servo mic pre's
  211. Need hekp with how to select a preamp
  212. Weird problem with a preamp with 3 band EQ module
  213. TEAC VU Meter Hookup
  214. input transformer frequency response?
  215. Help wanted checking vero layout for active 4 channel mixer
  216. Simple non-digital input selector
  217. dc on only one primary of the line trafo
  218. Volume potmeter Technics Su 8600
  219. Servo on non-inverting opamp ?
  220. Any suggestions to improve these output and input filters?
  221. simple solution for VU-Meter
  222. Combined Speaker-Amplifier Project
  223. Teac AN-60 Alignment
  224. 2.5v achieves lower distortion on LDR NSL32SR2
  225. Help Gain clone supply PCB design
  226. HOW TO MEASURE interference between e.g. 20kHz and 21kHz tones?
  227. 3-way signal splitter
  228. implimenting linkwitz's notch/dip filter for room eq
  229. Anyone seen this EQ before?
  230. ReCapping marantz av-9000 16v 13000uf
  231. Audio Processing
  232. Anyone know what these caps are for?
  233. Is coax needed to wire a microphone?
  234. How do I choose a preamplifier that would be compatible with this microphone?
  235. W06M Bridge Rectifier, equivalent substitute
  236. Preamplifier kit information
  237. Handling +4dBu/-10dBv and un/balanced
  238. Line receiver and driver pcb?
  239. 2 conductor shielded cable
  241. 20hz high pass on Ashly XR2000 - removable?
  242. Transformer Based Balanced Output & Impedance
  243. Poll for the participants of "John Curl's Blowtorch preamplifier part II"
  244. John Bowers Active Control Unit preamp: Info sought
  245. Looking for pointers on first DIY preamp please.
  246. Simple analog vu-meter driver ?
  247. Please pardon the noob question. need guidance
  248. Build a high pass filter for amplifier
  249. Critique on success of this subwoofer cutoff project?
  250. Need gain AMOUNT for mobile phone/pc sources

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