View Full Version : Analog Line Level

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  1. [Need] simple preamp and LPF based on 5532 for digital sources
  2. wall-based trasformer volume control as passive pre?
  3. noob stab in the dark - riaa preamp
  4. Oscillating Op-Amp
  5. Preamp for shotgun mic
  6. Mark Levinson No 38, Need Help
  7. Help! Kenwood Basic C-2 left channel out (phono only)
  8. Signal delay schematic
  9. Adding 4 channels to a 2 channel input on HT amp
  10. vumeter (stereo, mono)
  11. Acquired Some Elan Components, What are They?
  12. Pre-mix for boombox
  13. Reed Switch Audio Attenuator
  14. "Balanced" PGA2311?
  15. 2 way crossover on Chinese pcbs
  16. SE to Balanced pre question
  17. Interconnect Ground Cable Ground Loops
  18. PGA2310 - PGA2311 - CS3310: version without OPAMP for outdoor OPAmp connection wanted
  19. Any AIKIDO-philes who know why Broskie has changed the formula
  20. One More Overcomplicated Mic Preamp
  21. Problems with subwoofer phase control picking up noise
  22. IC's get hammered
  23. Left/Right channel balance control
  24. Potentiometer Selection
  25. All-In-One Preamp Circuit
  26. Line level mixing
  27. Booze Hounds Labs Phono any good?
  28. PLLXO - Am I doing this right?
  29. Need an Active 2nd Order Low Shelf Filter aka Low Shelving Filter
  30. Switching Noise Between Preamps
  31. Bluetooth Lightspeed attenuator
  32. Help getting 5.1 preamp from Ebay repaired please!
  33. Should using balanced cables to amplified monitors improve sound ?
  34. Apox Audio preamp reborn with the power of Arduino
  35. Does an Op Amp Voltage Follower Operate in Class A?
  36. My boozehound phono stage build
  37. Pre amp kit
  38. balanced preamplifier based on LME49990
  39. Merging two channels with passive low passes
  40. Old Colony Sound Lab T-2D Line Amp - Any Info?
  41. Impedance Bridging and Isolation Tranformer
  42. TDA7315 chip parameters interpretation
  43. MFP-102 N fet compatibility
  44. What is the effect of a 22K res in series with a 25K volume pot?
  45. Senior Project: Bandpass Equalizer pedal
  46. [WANTED] Mark Levinson No 26S Service Manual/Schematic
  47. ORTF is best for stereo recording
  48. A zero impedance preamp and CMRR
  49. good preamp
  50. calculate crossover with Re or impedance ?
  51. Op-Amp Preamp Circuit for Electret Mic
  52. Simple Router (then bass management)
  53. Second order shelving filter
  54. Help with component selection.
  55. passive to tame 8khz peak
  56. Hafler SE100 Preamplifier / Symmetric B1 buffer hybrid
  57. Adcom GFP-750 -Needs Repair
  58. Variable gain op-amp for volume control (vs normal voltage divider pot)
  59. Germanium Transistor and FET opamp
  60. 5 zone preamp based on Arduino controlled optocoupler
  61. How to select the right impedance for volume control
  62. In vehicle Pre-amp for mic (12+ VDC)
  63. Resistor-Diode-Relay Logic Source Selector
  64. 3 into 1 input the other way round
  65. Nagging Ground Issue
  66. Looking for Princeton Applied Research 115 MANUAL
  67. Active Band Pass Filter with +/- Gain
  68. Components source
  69. Guitar ABY or Headphone Amplifier?
  70. rod elliot p88 preamp knob arrangment
  71. C-Mos opamps in audio preamplifiers
  72. Cheap, balanced XLR passive pre?
  73. DIY crossover - Sallen-Key?
  74. Hafler 915 preamp cap question
  75. analog 3.5mm to digital usb possible?
  76. Mixer Pre-amp
  77. DIY tube preamp - help with choosing the right kit
  78. opamp channels mysteriously mixing ¿quantum thing or me too dumb?
  79. MC-22 schematic question
  80. unbalanced/balanced to balanced converter
  81. My line buffer preamp
  82. Attenuating Preamp Filter Question
  83. biamping with one DAC
  84. Audiophile active crossover
  85. adding EQ without screwing up sound; few questions...
  86. SSTART Pcb and power supply project
  87. Help with a simple envelop detector filter. (averaging the signal)
  88. audio output switch? Monitor Controller
  89. Very simple volume control with IR remote
  90. JFETs and MOSFETs biasing questions
  91. I need advise on audio mixing boards?
  92. pre amp output
  93. OPA134 Amp Help
  94. OPA134
  95. Capacitors voltage rating
  96. Capacitors voltage rating
  97. attenuation on dac output with U-pad
  98. passive preamp
  99. preamp necessary?
  100. Will phono pre > passive pre > amp work well enough?
  101. 60Hz hum problem, please help
  102. distortion cancellation for diode limiter
  103. electret mic preamp for micro ADC
  104. Understanding "Voltage - Input Offset" Parameter
  105. Schade MOSFET + Feedback Line Amp
  106. Preamp or receiver?
  107. Sony BX-270 Datasheet Wanted
  108. Classe Audio DR6 Bias
  109. Dual gang potentiometer for 'mixer'
  110. Aikido Preamp Bass & Treble Controls
  111. Tried active crossover, mean hum...
  112. How to use TDA7439 for center and subwoofer
  113. Active notch filter
  114. simple pre amp volume control with seperate mono out
  115. Help me wire up my SUT correctly (Tamura TKS-27)
  116. How can I split a mixer bus?
  117. Beau's Bias Circuit Schematic
  118. What should be included in a subwoofer lowpass filter?
  119. Potentiometer volume control treble loss bleed
  120. Adcom GFP 815 Pre Amp-Any users?
  121. speaker out to preamp out while driving speaker
  122. 6dB Active crossover
  123. Replacing volume pot from 100K to 50K reduces gain?
  124. Dual Ganged Stereo Volume Control
  125. McIntosh/Conrad Johnson pairing
  126. Input Impedance Question
  127. Active studio monitors/ crossovers
  128. new discrete opamp for line preamplifier
  129. Music Angel Pre Amp
  130. Tilt Equalizer Filter
  131. Parametric EQ based bass boost circuit
  132. Power On Delay/Loss of AC Detector Relay
  133. Balanced Line Driver with DRV134
  134. PGA3211 6.1 assembling
  135. PGA2311 code
  136. SMD High-Voltage Discrete Diamond Buffer
  137. How best to implement image mode controls
  138. Preamp has unwanted delay (and hum)
  139. Pot values in LM1036 preamp circuit
  140. simple three steps attenuator
  141. Behringer Eurorack UB1622fx PRO schematic
  142. Need help with Coustic XM-5e Crossover
  143. Small Fader + Volume control for Car
  144. PGA2311 Evaluation
  145. Are these pots what I need for my preamp?
  146. IR Remote Control
  147. That Corporation 1200 , 1203 , 1206 circuits
  148. portable set field mixer/ mic pre
  149. Compact simple EQ
  150. Digitally controlled pot distortion?
  151. Help me Choose Between A and B
  152. Quad Eight Electronics EQ712
  153. Adding a line level output to PGA2311 preamp
  154. Using Joachim Gerhard Filter Buffers as balanced crossover
  155. Impedance measuring jig and iSEMcon kit
  156. LM1036N Potentiometer Type
  157. 4558d
  158. 10M45 as simple preamp...
  159. Kenwood c-2 balance pot
  160. Attenuator Impedance for Adcom GFA-535?
  161. McIntosh C712 Preamplifier - Schematic wanted
  162. Speaker Combination in Custom Installation, please help
  163. 5 band equalizer, need help!!
  164. Parasound P/HP-850 Preamp Problem
  165. Crossover between pre and power amp for sub
  166. miniDSP pre-amp & volume control idea
  167. Klark Teknik Upgrae for 2ch
  168. signal level
  169. THAT 1200 Balaced Receiver IC?
  170. Patch Bay With Buffered Splitter/Channel Inputs Ideas
  171. Can't seem to get OpAmps to work
  172. Yamaha Equalizer 1027 service manual wanted
  173. Yamaha RX-V480 Tuner / FM Bands Wacky
  174. Discrete MOSFET 12db High Pass Filter
  175. ESP Proyect97 PCB
  176. Christmas Project - Audio Analyser
  177. HELP : what wattage for resistor ?
  178. x'over for a sub?
  179. Overlay stereo with mono, without losing stereo?
  180. Hi Level Amp output connect to RCA input
  181. Uneven Hafler 110 output
  182. Preamp-Buffers - simple idea
  183. OPA1612 compared to OPA2228(and a lil question about caps)
  184. How to wire up Audio Matching Transformer?
  185. VU meter arduino project help
  186. 8ch ADC
  187. Passive mixing network -- calculating total loss?
  188. DIY 3 way active crossover: as Christmas Holiday Project
  189. Upgrading the SM Pro AUDIO DI 4V
  190. fully balanced line with THAT 1206 plus 1646
  191. GHOST in 3 band graphic equalizer!! SOS!
  192. Weak bass problem...
  193. Please help me to debug the Lighter Note Attenuator
  194. Yet another remote volume control
  195. Questions about AC coupling and opamp biasing
  196. Request for Guides/Explanation Regarding Audio Mixer Circuits
  197. Preamp mod with a low cut shelf filter
  198. Linn Kairn repair
  199. Filter Bass and treble to the input of a microprocessor
  200. unbalanced to balanced 4 ch kit
  201. I need a super bass tone control
  202. Active Crossover for Open Baffle 2-way
  203. Simplist and tiniest PGA2320 kit out there?
  204. Impedance matching and 30dB drop
  205. Are there many people using BNC out there? or RG6 Quad Shield?
  206. output level of dvd playre?
  207. Suggestions for dual PS
  208. Yet Another IR Remote Volume Controller? No, I want one WITHOUT uC
  209. best balanced volume control solution ?
  210. help with muting relay
  211. Need help: Input selector control for 6 channels
  212. Opamp rollers and fiddlers this is for you.
  213. Good quality active preamp
  214. Convert mini Pre-amp from AC to DC power
  215. Volume control, Evil Mad Scientist style
  216. McIntosh C28 With Bad Transformer
  217. analogue active filter: MFB or Sallen Key?
  218. Help with 6-Bit R-2R Relay Attenuator
  219. Current conveyor as a voltage amplifier
  220. DIY monitor controller modules order…
  221. Active crossover component suggestions?
  222. can a preamp be used directly for headphone?
  223. Sharing a Single Inductor for Multiple Passive LR Filters?
  224. Audio Research LS-3 power transformer
  225. Lil Pre Amp
  226. Preamp OP-AMP...help.
  227. looking to try to split 80hz from an active stereo 3 way
  228. PGA2311 LCD Volume Remote Control+GOLD RCA Jeff Rowland
  229. A new fully analog FM modulated wideband optical transport Open Standard.
  230. wiring schematic for DPDT on-on-on toggle selector
  231. Mods for Denon AVR receiver or pre-amp?
  232. Mods for Denon AVR receiver or pre-amp?
  233. A question of volume control
  234. Cable Questions
  235. Interconnect cable Recommendations
  236. Another simple project I can't do. Using DAC from CDP
  237. Can i make a balanced preamp only using OPA2134 ?
  238. When is the Aikido going to be on sale again? is there a group buy I can get in on?
  239. Swapping potentiometer
  240. What should I be searching for
  241. Signal booster for cd player
  242. Preamp output relay - or other device
  243. Matching my silonex LDR
  244. Ballanced Unballanced what does it mean??
  245. LP/HP crossover for 2.1 DIY preamp?
  246. Biamp EQ-210 as a "Studio" EQ?
  247. Current noise between DC coupled op amps?
  248. Soft Clipper Central Station?
  249. Request active sub xo schematic
  250. Multichannel splitter and gain structure control box

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