View Full Version : Analog Line Level

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  1. Help! Kenwood Basic C-2 left channel out (phono only)
  2. Signal delay schematic
  3. Adding 4 channels to a 2 channel input on HT amp
  4. vumeter (stereo, mono)
  5. Acquired Some Elan Components, What are They?
  6. Pre-mix for boombox
  7. Reed Switch Audio Attenuator
  8. "Balanced" PGA2311?
  9. 2 way crossover on Chinese pcbs
  10. SE to Balanced pre question
  11. Interconnect Ground Cable Ground Loops
  12. PGA2310 - PGA2311 - CS3310: version without OPAMP for outdoor OPAmp connection wanted
  13. Any AIKIDO-philes who know why Broskie has changed the formula
  14. One More Overcomplicated Mic Preamp
  15. Problems with subwoofer phase control picking up noise
  16. IC's get hammered
  17. Left/Right channel balance control
  18. Potentiometer Selection
  19. All-In-One Preamp Circuit
  20. Line level mixing
  21. Booze Hounds Labs Phono any good?
  22. PLLXO - Am I doing this right?
  23. Need an Active 2nd Order Low Shelf Filter aka Low Shelving Filter
  24. Switching Noise Between Preamps
  25. Bluetooth Lightspeed attenuator
  26. Help getting 5.1 preamp from Ebay repaired please!
  27. Should using balanced cables to amplified monitors improve sound ?
  28. Apox Audio preamp reborn with the power of Arduino
  29. Does an Op Amp Voltage Follower Operate in Class A?
  30. My boozehound phono stage build
  31. Pre amp kit
  32. balanced preamplifier based on LME49990
  33. Merging two channels with passive low passes
  34. Old Colony Sound Lab T-2D Line Amp - Any Info?
  35. Impedance Bridging and Isolation Tranformer
  36. TDA7315 chip parameters interpretation
  37. MFP-102 N fet compatibility
  38. What is the effect of a 22K res in series with a 25K volume pot?
  39. Senior Project: Bandpass Equalizer pedal
  40. [WANTED] Mark Levinson No 26S Service Manual/Schematic
  41. ORTF is best for stereo recording
  42. A zero impedance preamp and CMRR
  43. good preamp
  44. calculate crossover with Re or impedance ?
  45. Op-Amp Preamp Circuit for Electret Mic
  46. Simple Router (then bass management)
  47. Second order shelving filter
  48. Help with component selection.
  49. passive to tame 8khz peak
  50. Hafler SE100 Preamplifier / Symmetric B1 buffer hybrid
  51. Adcom GFP-750 -Needs Repair
  52. Variable gain op-amp for volume control (vs normal voltage divider pot)
  53. Germanium Transistor and FET opamp
  54. 5 zone preamp based on Arduino controlled optocoupler
  55. How to select the right impedance for volume control
  56. In vehicle Pre-amp for mic (12+ VDC)
  57. Resistor-Diode-Relay Logic Source Selector
  58. 3 into 1 input the other way round
  59. Nagging Ground Issue
  60. Looking for Princeton Applied Research 115 MANUAL
  61. Active Band Pass Filter with +/- Gain
  62. Components source
  63. Guitar ABY or Headphone Amplifier?
  64. rod elliot p88 preamp knob arrangment
  65. C-Mos opamps in audio preamplifiers
  66. Cheap, balanced XLR passive pre?
  67. DIY crossover - Sallen-Key?
  68. Hafler 915 preamp cap question
  69. analog 3.5mm to digital usb possible?
  70. Mixer Pre-amp
  71. DIY tube preamp - help with choosing the right kit
  72. opamp channels mysteriously mixing ¿quantum thing or me too dumb?
  73. MC-22 schematic question
  74. unbalanced/balanced to balanced converter
  75. My line buffer preamp
  76. Attenuating Preamp Filter Question
  77. biamping with one DAC
  78. Audiophile active crossover
  79. adding EQ without screwing up sound; few questions...
  80. SSTART Pcb and power supply project
  81. Help with a simple envelop detector filter. (averaging the signal)
  82. audio output switch? Monitor Controller
  83. Very simple volume control with IR remote
  84. JFETs and MOSFETs biasing questions
  85. I need advise on audio mixing boards?
  86. pre amp output
  87. OPA134 Amp Help
  88. OPA134
  89. Capacitors voltage rating
  90. Capacitors voltage rating
  91. attenuation on dac output with U-pad
  92. passive preamp
  93. preamp necessary?
  94. Will phono pre > passive pre > amp work well enough?
  95. 60Hz hum problem, please help
  96. distortion cancellation for diode limiter
  97. electret mic preamp for micro ADC
  98. Understanding "Voltage - Input Offset" Parameter
  99. Schade MOSFET + Feedback Line Amp
  100. Preamp or receiver?
  101. Sony BX-270 Datasheet Wanted
  102. Classe Audio DR6 Bias
  103. Dual gang potentiometer for 'mixer'
  104. Aikido Preamp Bass & Treble Controls
  105. Tried active crossover, mean hum...
  106. How to use TDA7439 for center and subwoofer
  107. Active notch filter
  108. simple pre amp volume control with seperate mono out
  109. Help me wire up my SUT correctly (Tamura TKS-27)
  110. How can I split a mixer bus?
  111. Beau's Bias Circuit Schematic
  112. What should be included in a subwoofer lowpass filter?
  113. Potentiometer volume control treble loss bleed
  114. Adcom GFP 815 Pre Amp-Any users?
  115. speaker out to preamp out while driving speaker
  116. 6dB Active crossover
  117. Replacing volume pot from 100K to 50K reduces gain?
  118. Dual Ganged Stereo Volume Control
  119. McIntosh/Conrad Johnson pairing
  120. Input Impedance Question
  121. Active studio monitors/ crossovers
  122. new discrete opamp for line preamplifier
  123. Music Angel Pre Amp
  124. Tilt Equalizer Filter
  125. Parametric EQ based bass boost circuit
  126. Power On Delay/Loss of AC Detector Relay
  127. Balanced Line Driver with DRV134
  128. PGA3211 6.1 assembling
  129. PGA2311 code
  130. SMD High-Voltage Discrete Diamond Buffer
  131. How best to implement image mode controls
  132. Preamp has unwanted delay (and hum)
  133. Pot values in LM1036 preamp circuit
  134. simple three steps attenuator
  135. Behringer Eurorack UB1622fx PRO schematic
  136. Need help with Coustic XM-5e Crossover
  137. Small Fader + Volume control for Car
  138. PGA2311 Evaluation
  139. Are these pots what I need for my preamp?
  140. IR Remote Control
  141. That Corporation 1200 , 1203 , 1206 circuits
  142. portable set field mixer/ mic pre
  143. Compact simple EQ
  144. Digitally controlled pot distortion?
  145. Help me Choose Between A and B
  146. Quad Eight Electronics EQ712
  147. Adding a line level output to PGA2311 preamp
  148. Using Joachim Gerhard Filter Buffers as balanced crossover
  149. Impedance measuring jig and iSEMcon kit
  150. LM1036N Potentiometer Type
  151. 4558d
  152. 10M45 as simple preamp...
  153. Kenwood c-2 balance pot
  154. Attenuator Impedance for Adcom GFA-535?
  155. McIntosh C712 Preamplifier - Schematic wanted
  156. Speaker Combination in Custom Installation, please help
  157. 5 band equalizer, need help!!
  158. Parasound P/HP-850 Preamp Problem
  159. Crossover between pre and power amp for sub
  160. miniDSP pre-amp & volume control idea
  161. Klark Teknik Upgrae for 2ch
  162. signal level
  163. THAT 1200 Balaced Receiver IC?
  164. Patch Bay With Buffered Splitter/Channel Inputs Ideas
  165. Can't seem to get OpAmps to work
  166. Yamaha Equalizer 1027 service manual wanted
  167. Yamaha RX-V480 Tuner / FM Bands Wacky
  168. Discrete MOSFET 12db High Pass Filter
  169. ESP Proyect97 PCB
  170. Christmas Project - Audio Analyser
  171. HELP : what wattage for resistor ?
  172. x'over for a sub?
  173. Overlay stereo with mono, without losing stereo?
  174. Hi Level Amp output connect to RCA input
  175. Uneven Hafler 110 output
  176. Preamp-Buffers - simple idea
  177. OPA1612 compared to OPA2228(and a lil question about caps)
  178. How to wire up Audio Matching Transformer?
  179. VU meter arduino project help
  180. 8ch ADC
  181. Passive mixing network -- calculating total loss?
  182. DIY 3 way active crossover: as Christmas Holiday Project
  183. Upgrading the SM Pro AUDIO DI 4V
  184. fully balanced line with THAT 1206 plus 1646
  185. GHOST in 3 band graphic equalizer!! SOS!
  186. Weak bass problem...
  187. Please help me to debug the Lighter Note Attenuator
  188. Yet another remote volume control
  189. Questions about AC coupling and opamp biasing
  190. Request for Guides/Explanation Regarding Audio Mixer Circuits
  191. Preamp mod with a low cut shelf filter
  192. Linn Kairn repair
  193. Filter Bass and treble to the input of a microprocessor
  194. unbalanced to balanced 4 ch kit
  195. I need a super bass tone control
  196. Active Crossover for Open Baffle 2-way
  197. Simplist and tiniest PGA2320 kit out there?
  198. Impedance matching and 30dB drop
  199. Are there many people using BNC out there? or RG6 Quad Shield?
  200. output level of dvd playre?
  201. Suggestions for dual PS
  202. Yet Another IR Remote Volume Controller? No, I want one WITHOUT uC
  203. best balanced volume control solution ?
  204. help with muting relay
  205. Need help: Input selector control for 6 channels
  206. Opamp rollers and fiddlers this is for you.
  207. Good quality active preamp
  208. Convert mini Pre-amp from AC to DC power
  209. Volume control, Evil Mad Scientist style
  210. McIntosh C28 With Bad Transformer
  211. analogue active filter: MFB or Sallen Key?
  212. Help with 6-Bit R-2R Relay Attenuator
  213. Current conveyor as a voltage amplifier
  214. DIY monitor controller modules order…
  215. Active crossover component suggestions?
  216. can a preamp be used directly for headphone?
  217. Sharing a Single Inductor for Multiple Passive LR Filters?
  218. Audio Research LS-3 power transformer
  219. Lil Pre Amp
  220. Preamp OP-AMP...help.
  221. looking to try to split 80hz from an active stereo 3 way
  222. PGA2311 LCD Volume Remote Control+GOLD RCA Jeff Rowland
  223. A new fully analog FM modulated wideband optical transport Open Standard.
  224. wiring schematic for DPDT on-on-on toggle selector
  225. Mods for Denon AVR receiver or pre-amp?
  226. Mods for Denon AVR receiver or pre-amp?
  227. A question of volume control
  228. Cable Questions
  229. Interconnect cable Recommendations
  230. Another simple project I can't do. Using DAC from CDP
  231. Can i make a balanced preamp only using OPA2134 ?
  232. When is the Aikido going to be on sale again? is there a group buy I can get in on?
  233. Swapping potentiometer
  234. What should I be searching for
  235. Signal booster for cd player
  236. Preamp output relay - or other device
  237. Matching my silonex LDR
  238. Ballanced Unballanced what does it mean??
  239. LP/HP crossover for 2.1 DIY preamp?
  240. Biamp EQ-210 as a "Studio" EQ?
  241. Current noise between DC coupled op amps?
  242. Soft Clipper Central Station?
  243. Request active sub xo schematic
  244. Multichannel splitter and gain structure control box
  245. compact stackable relay attenuator - something new
  246. DIY Crossover/Filter: Power Handling
  247. Getting to know the DOODs ...
  248. LED battery indicator
  249. LME49713
  250. Tube preamp kit from ebay - worth my time?

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