View Full Version : Analog Line Level

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  1. re-replacing 2sk213/j76 transistors help
  2. Preventing crossover between mixers
  3. RCA LMI- 32215 A - for recording studio.
  4. Rane pot help please...
  5. Simple low voltage tube preamp stage
  6. HELP me design a discrete current sinking positive V regulator
  7. True Biamping and Active crossovers info request
  8. Question about hypex balanced vs unbalanced
  9. Soundcraftsmen
  10. very small noob question project 88
  11. Help with cable conundrum!
  12. P7 Pre amp Trouble
  13. Party-line / Full-duplex intercom - mixing audio signals
  14. ZSP1 preamp gain
  15. Acurus L10 Powersupply
  16. Building an Analog to Digital Converter Unit...
  17. DIY pre amp board
  18. Opamp power bypass
  19. Tone Control - Volatage range for TL072/LF252-N
  20. Stereo volume attenuation
  21. Quad channel volume control
  22. Work? L, R RCA inputs -> 1 XLR out?
  23. Impedance matching pre -> power.
  24. LME49740 vs TL074, design considerations and stability
  25. Solid state R2R attenuator using analog switches or multiplying DAC
  26. MF nuvista source selector problem again
  27. What do we think about solid-state potentiometers?
  28. TubeCAD's ACF2 as a active crossover
  29. Phaseca--My new diy pre amp
  30. looking for bass treble pcb pattern
  31. Mobile recording using linein
  32. [Need] simple preamp and LPF based on 5532 for digital sources
  33. wall-based trasformer volume control as passive pre?
  34. noob stab in the dark - riaa preamp
  35. Oscillating Op-Amp
  36. Preamp for shotgun mic
  37. Mark Levinson No 38, Need Help
  38. Help! Kenwood Basic C-2 left channel out (phono only)
  39. Signal delay schematic
  40. Adding 4 channels to a 2 channel input on HT amp
  41. vumeter (stereo, mono)
  42. Acquired Some Elan Components, What are They?
  43. Pre-mix for boombox
  44. Reed Switch Audio Attenuator
  45. "Balanced" PGA2311?
  46. 2 way crossover on Chinese pcbs
  47. SE to Balanced pre question
  48. Interconnect Ground Cable Ground Loops
  49. PGA2310 - PGA2311 - CS3310: version without OPAMP for outdoor OPAmp connection wanted
  50. Any AIKIDO-philes who know why Broskie has changed the formula
  51. One More Overcomplicated Mic Preamp
  52. Problems with subwoofer phase control picking up noise
  53. IC's get hammered
  54. Left/Right channel balance control
  55. Potentiometer Selection
  56. All-In-One Preamp Circuit
  57. Line level mixing
  58. Booze Hounds Labs Phono any good?
  59. PLLXO - Am I doing this right?
  60. Need an Active 2nd Order Low Shelf Filter aka Low Shelving Filter
  61. Switching Noise Between Preamps
  62. Bluetooth Lightspeed attenuator
  63. Help getting 5.1 preamp from Ebay repaired please!
  64. Should using balanced cables to amplified monitors improve sound ?
  65. Apox Audio preamp reborn with the power of Arduino
  66. Does an Op Amp Voltage Follower Operate in Class A?
  67. My boozehound phono stage build
  68. Pre amp kit
  69. balanced preamplifier based on LME49990
  70. Merging two channels with passive low passes
  71. Old Colony Sound Lab T-2D Line Amp - Any Info?
  72. Impedance Bridging and Isolation Tranformer
  73. TDA7315 chip parameters interpretation
  74. MFP-102 N fet compatibility
  75. What is the effect of a 22K res in series with a 25K volume pot?
  76. Senior Project: Bandpass Equalizer pedal
  77. [WANTED] Mark Levinson No 26S Service Manual/Schematic
  78. ORTF is best for stereo recording
  79. A zero impedance preamp and CMRR
  80. good preamp
  81. calculate crossover with Re or impedance ?
  82. Op-Amp Preamp Circuit for Electret Mic
  83. Simple Router (then bass management)
  84. Second order shelving filter
  85. Help with component selection.
  86. passive to tame 8khz peak
  87. Hafler SE100 Preamplifier / Symmetric B1 buffer hybrid
  88. Adcom GFP-750 -Needs Repair
  89. Variable gain op-amp for volume control (vs normal voltage divider pot)
  90. Germanium Transistor and FET opamp
  91. 5 zone preamp based on Arduino controlled optocoupler
  92. How to select the right impedance for volume control
  93. In vehicle Pre-amp for mic (12+ VDC)
  94. Resistor-Diode-Relay Logic Source Selector
  95. 3 into 1 input the other way round
  96. Nagging Ground Issue
  97. Looking for Princeton Applied Research 115 MANUAL
  98. Active Band Pass Filter with +/- Gain
  99. Components source
  100. Guitar ABY or Headphone Amplifier?
  101. rod elliot p88 preamp knob arrangment
  102. C-Mos opamps in audio preamplifiers
  103. Cheap, balanced XLR passive pre?
  104. DIY crossover - Sallen-Key?
  105. Hafler 915 preamp cap question
  106. analog 3.5mm to digital usb possible?
  107. Mixer Pre-amp
  108. DIY tube preamp - help with choosing the right kit
  109. opamp channels mysteriously mixing ¿quantum thing or me too dumb?
  110. MC-22 schematic question
  111. unbalanced/balanced to balanced converter
  112. My line buffer preamp
  113. Attenuating Preamp Filter Question
  114. biamping with one DAC
  115. Audiophile active crossover
  116. adding EQ without screwing up sound; few questions...
  117. SSTART Pcb and power supply project
  118. Help with a simple envelop detector filter. (averaging the signal)
  119. audio output switch? Monitor Controller
  120. Very simple volume control with IR remote
  121. JFETs and MOSFETs biasing questions
  122. I need advise on audio mixing boards?
  123. pre amp output
  124. OPA134 Amp Help
  125. OPA134
  126. Capacitors voltage rating
  127. Capacitors voltage rating
  128. attenuation on dac output with U-pad
  129. passive preamp
  130. preamp necessary?
  131. Will phono pre > passive pre > amp work well enough?
  132. 60Hz hum problem, please help
  133. distortion cancellation for diode limiter
  134. electret mic preamp for micro ADC
  135. Understanding "Voltage - Input Offset" Parameter
  136. Schade MOSFET + Feedback Line Amp
  137. Preamp or receiver?
  138. Sony BX-270 Datasheet Wanted
  139. Classe Audio DR6 Bias
  140. Dual gang potentiometer for 'mixer'
  141. Aikido Preamp Bass & Treble Controls
  142. Tried active crossover, mean hum...
  143. How to use TDA7439 for center and subwoofer
  144. Active notch filter
  145. simple pre amp volume control with seperate mono out
  146. Help me wire up my SUT correctly (Tamura TKS-27)
  147. How can I split a mixer bus?
  148. Beau's Bias Circuit Schematic
  149. What should be included in a subwoofer lowpass filter?
  150. Potentiometer volume control treble loss bleed
  151. Adcom GFP 815 Pre Amp-Any users?
  152. speaker out to preamp out while driving speaker
  153. 6dB Active crossover
  154. Replacing volume pot from 100K to 50K reduces gain?
  155. Dual Ganged Stereo Volume Control
  156. McIntosh/Conrad Johnson pairing
  157. Input Impedance Question
  158. Active studio monitors/ crossovers
  159. new discrete opamp for line preamplifier
  160. Music Angel Pre Amp
  161. Tilt Equalizer Filter
  162. Parametric EQ based bass boost circuit
  163. Power On Delay/Loss of AC Detector Relay
  164. Balanced Line Driver with DRV134
  165. PGA3211 6.1 assembling
  166. PGA2311 code
  167. SMD High-Voltage Discrete Diamond Buffer
  168. How best to implement image mode controls
  169. Preamp has unwanted delay (and hum)
  170. Pot values in LM1036 preamp circuit
  171. simple three steps attenuator
  172. Behringer Eurorack UB1622fx PRO schematic
  173. Need help with Coustic XM-5e Crossover
  174. Small Fader + Volume control for Car
  175. PGA2311 Evaluation
  176. Are these pots what I need for my preamp?
  177. IR Remote Control
  178. That Corporation 1200 , 1203 , 1206 circuits
  179. portable set field mixer/ mic pre
  180. Compact simple EQ
  181. Digitally controlled pot distortion?
  182. Help me Choose Between A and B
  183. Quad Eight Electronics EQ712
  184. Adding a line level output to PGA2311 preamp
  185. Using Joachim Gerhard Filter Buffers as balanced crossover
  186. Impedance measuring jig and iSEMcon kit
  187. LM1036N Potentiometer Type
  188. 4558d
  189. 10M45 as simple preamp...
  190. Kenwood c-2 balance pot
  191. Attenuator Impedance for Adcom GFA-535?
  192. McIntosh C712 Preamplifier - Schematic wanted
  193. Speaker Combination in Custom Installation, please help
  194. 5 band equalizer, need help!!
  195. Parasound P/HP-850 Preamp Problem
  196. Crossover between pre and power amp for sub
  197. miniDSP pre-amp & volume control idea
  198. Klark Teknik Upgrae for 2ch
  199. signal level
  200. THAT 1200 Balaced Receiver IC?
  201. Patch Bay With Buffered Splitter/Channel Inputs Ideas
  202. Can't seem to get OpAmps to work
  203. Yamaha Equalizer 1027 service manual wanted
  204. Yamaha RX-V480 Tuner / FM Bands Wacky
  205. Discrete MOSFET 12db High Pass Filter
  206. ESP Proyect97 PCB
  207. Christmas Project - Audio Analyser
  208. HELP : what wattage for resistor ?
  209. x'over for a sub?
  210. Overlay stereo with mono, without losing stereo?
  211. Hi Level Amp output connect to RCA input
  212. Uneven Hafler 110 output
  213. Preamp-Buffers - simple idea
  214. OPA1612 compared to OPA2228(and a lil question about caps)
  215. How to wire up Audio Matching Transformer?
  216. VU meter arduino project help
  217. 8ch ADC
  218. Passive mixing network -- calculating total loss?
  219. DIY 3 way active crossover: as Christmas Holiday Project
  220. Upgrading the SM Pro AUDIO DI 4V
  221. fully balanced line with THAT 1206 plus 1646
  222. GHOST in 3 band graphic equalizer!! SOS!
  223. Weak bass problem...
  224. Please help me to debug the Lighter Note Attenuator
  225. Yet another remote volume control
  226. Questions about AC coupling and opamp biasing
  227. Request for Guides/Explanation Regarding Audio Mixer Circuits
  228. Preamp mod with a low cut shelf filter
  229. Linn Kairn repair
  230. Filter Bass and treble to the input of a microprocessor
  231. unbalanced to balanced 4 ch kit
  232. I need a super bass tone control
  233. Active Crossover for Open Baffle 2-way
  234. Simplist and tiniest PGA2320 kit out there?
  235. Impedance matching and 30dB drop
  236. Are there many people using BNC out there? or RG6 Quad Shield?
  237. output level of dvd playre?
  238. Suggestions for dual PS
  239. Yet Another IR Remote Volume Controller? No, I want one WITHOUT uC
  240. best balanced volume control solution ?
  241. help with muting relay
  242. Need help: Input selector control for 6 channels
  243. Opamp rollers and fiddlers this is for you.
  244. Good quality active preamp
  245. Convert mini Pre-amp from AC to DC power
  246. Volume control, Evil Mad Scientist style
  247. McIntosh C28 With Bad Transformer
  248. analogue active filter: MFB or Sallen Key?
  249. Help with 6-Bit R-2R Relay Attenuator
  250. Current conveyor as a voltage amplifier

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