View Full Version : Analog Line Level

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  1. Commercial crossover or DIY?
  2. MAX9632???
  3. please help me to calculate/guess Vrms input?
  4. Before you mock me....
  5. New Dual Mono Super BA-3
  6. Two balanced line receivers (switched) at one balanced input
  7. Walt Jung circuit
  8. Unbalancer - user experience
  9. Help, I need to build a signal pad, I want it to be perfect, looking for advice.
  10. Amp Selector Switch - multiple amps, rotary switch
  11. Open Source Remote Control
  12. Another B1 buffer PCB design question
  13. Quad, DIP op amp selection
  14. Input selector provokes oscillation
  15. Aikido Tube buffer stage cathode follower
  16. Doing an analog linear phase crossover
  17. L-C-R RIAA, replacing the L with a gyrator?
  18. LR4 SMD filter project
  19. Linn Kairn schematic?
  20. Volume control for Modulus86
  21. EMU 1616m preamp squealing
  22. Phono stage recommendation
  23. Capacitor on "ground" interconnection to block "ground" DC voltage
  24. tda7052 as volume controll/preamp ?
  25. Help to build a Passive Balanced Preamplifier (Volume control)
  26. Optimal Volume Pot Resistance Question.
  27. How to reduce a preamp output voltage?
  28. Radio Tuner Phono Switcher Box
  29. Linkwitz-Riley 24 dB/Octave pcb
  30. Low pass filter circuit design
  31. Preamp input diagnosis
  32. Modifying a Class A preamplifier design for more gain
  33. PRO 2 or 3 way 4th order crossover.
  34. Those tiresome RCA/chinch
  35. Simple mic preamp
  36. Power supply dilemma for 8-channel mic pre
  37. NAD 1020 replace potentiometers tones!!
  38. Mic cable as single ended interconnects
  39. Layman's question for the pros
  40. Active volume control with balanced output using 2 op-amps
  41. Great American Sound Thalia 1 Service Info
  42. Too much signal voltage...
  43. Impedance matching - Source / Attenuator / Amp
  44. DIY Sine Wave Oscillator Trouble
  45. What is the maximum gain for 1 op amp stage?
  46. What is the consequence of this wiring scheme? (With tangential "extra trace"?)
  47. preamp relay driver needed
  48. Buffer output for PCM1794A
  49. Lemonstre at linelevel
  50. Large band para eq - optimisations and smd pcb ?
  51. Passive line level crossover, different impedance amps
  52. TI Active volume control board...tipd136
  53. carlos Jfet pre voltage questions
  54. Looking for basic source mixer for home system
  55. Help needed for calaculate cutoff frequency ?
  56. Critique this noninverting opamp buffer/amplifier please? Almost time to build...
  57. the "JB" 3-stage Phono Preamp
  58. Preamp does not mute.
  59. 9 Pin1/4" inputjack for Soho tube Preamp
  60. Great American Sound Thaila 2 Setup Procedure
  61. Need a simple pre-amp, quick!
  62. Adding a (variable) gain boost to this non-inverting opamp buffer circuit?
  63. Klotz IC cables - opinions on specific types
  64. Matching I/O Impedance - How to?
  65. Equalizer and tone control circuit used in Dj mixer
  66. High performance subwoofer filter circuit(low pass) to your audio amp
  67. Unity gain opamp circuit
  68. Looking for a Cheap, simple Opamp gain stage
  69. Phantom Powered Stereo DI
  70. Why so difficult; It's just a switch
  71. Buzzing passive pre-amp
  72. do i need a preamp for a passive mixer?
  73. Wire gauge for amplifier's signal level input.
  74. CD Line out - PC sound
  75. Phono pre with Jfet and then ad815 at the second stage..
  76. Replacement for Monacor's RCA Connector T-724G wanted
  77. synare clone kit
  78. Full-Analog Arduino(or embedded)-CTRL 2wayCrossover
  79. Line Level Transformer Impedance
  80. Need help with schematics
  81. Luminous Axiom Passive Pre with 2 Outputs - Dumb Question
  82. how to remote control a rotary switch
  83. NE5532 preamp questions
  84. Using O2 as preamp
  85. 0.005% Distortion Tone Control Preamp, NJW1119A Chipset
  86. Low pass filter for subwoofer.
  87. Getting 10-15 dB gain from an opamp buffer circuit?
  88. Simple Volume Knob&Limiter?
  89. Phono card as standalone unit
  90. Passive Preamp schematic for multiple inputs and 2 outputs - help?
  91. 3-way input audio input switching board (ebay)
  92. mixer line in gain control
  93. Single ended Baxandall control - offset on pots
  94. HK825 replace Balance Pot
  95. Simple attenuation needed
  96. Looking for circuit improvement advice(Precision Fidelity C8)
  97. pre-amp with 2 stages adjustable gain
  98. portable discrete mic preamp
  99. Preventing source selector 'thump' using transformer?
  100. Bass loss after static shock - HELP
  101. First post
  102. R-2R attenuator PCB layout question
  103. Using 2SK170/J74BL in Ebay JC-2 "Clone"
  104. Is this signal path correct?
  105. Op amp band pass filter connection problems
  106. lpf calculator
  107. impedance matching question
  108. Custom 6H30 linestage
  109. DIY microphone preamp for Monacor MCE-404U capsule
  110. AD815 or THS6012 pros and cons
  111. What is the impedance out of a voltage divider?
  112. Phono Preamp Question...
  113. Analogue Parametric EQ - Calrec Polar...
  114. Sony pcm 7010 - XLR to RCA input
  115. TDA1524A preamp
  116. Wishlist: Op Amp Characterization Curves in Datasheets
  117. Parametric Mid EQ Pot Wiring
  118. Need PS Audio PS IV schematic
  119. Adding Balanced Outputs Psuedo or Real?
  120. Sending an A/V multi channel pre out into another A/V line in?
  121. Copper purity of Cat-5e cable ?
  122. Balance control?
  123. Input/output transformer question
  124. Equalizing the midrange out of a small Radio Shack driver
  125. what ohmage potentiometer for line out volume control?
  126. preamp signal powered down amp
  127. Passive Balanced Attenuator (between Pre & Power)
  128. Best way to add stereo subwoofer pre-outs to existing DAC/preamp?
  129. iPhone Line Out to Car Amp
  130. Is LR4 phase shift audible
  131. line preamp /buffer /module
  132. Please evaluate this RIAA schematic (njm4580)
  133. Praamp crackling
  134. Buffer Jfet
  135. Onkyo SC-901 crossover rebuild(upgrade)
  136. Art Tube MP Help!
  137. How is the sound of the Radford ZD22 preamp compared to modern high-end preamps ?
  138. from stereo to mono (subwoofer) passive adder ?
  139. Newbie Question: Troubleshooting Simple Line Mixer
  140. About preamp circuits improvements
  141. Noob Question: Electros in signal path
  142. Passive or feedback RIAA network tube phono pre?
  143. THAT1606 based line buffer for balanced guitar - Vero design okay?
  144. Attenuating line level signal with buffer vs. resistor...
  145. New Guy Needs Help With Optimus 31-2025 Graphic Equalizer
  146. Preamp: opamp low pass filter for PS noise
  147. I could use some help on a PS Audio Preamp
  148. another opamp based preamp
  149. Comment on Grounding Scheme?
  150. Radio Shack experimenter kits
  151. Crossover for Scan Speak 6000 tweeter.
  152. Neutrik nte 10/3 help
  153. RCA to XLR
  154. BBE XR-5383 chip
  155. Balanced level preamp
  156. cinemag CMLI-15/15B, unbal--> bal
  157. Pin 1: Multiple XLRs between two amplifiers
  158. Connecting Mp3 player
  159. DIY Tone + Volume control
  160. volume control
  161. Linkwitz-Riley Electronic Crossover PCB
  162. Balanced Microphone Preamp
  163. How Much Voltage Do I Need For a Standard Headphone
  164. Yet another passive volume control
  165. Distortion and Source Impedance in JFET Input Op Amps
  166. Analog switches
  167. Yuan Jing 6n3 tube preamp power requirements and options
  168. PGA2310 frequency response
  169. Smoking Preamplifier
  170. Carver C1 preamp
  171. Meridian 201 help
  172. Active speaker- adding amp/xo
  173. basic power supply questions
  174. McIntosh C26 hum after recaping
  175. Old Volvo Tape Deck Line Level to Tape Head
  176. I Need A New Audio Input Indicator
  177. Handy Non Inverting Active Volume Control
  178. Active volume control - Be quiet please.
  179. Complementary MOS Preamp
  181. Simple Symmetrical Preamplifier
  182. EMT-240, EMT 262
  183. Looking for that person who can analyze and upgrade.
  184. TKD stereo attenuator 10k
  185. Douglas self four-band baxandall eq
  186. Input Noise Cancelation - LME 49990 - LT1028
  187. Baxandall Variations
  188. HELP! Electret mic - Powering from Focusrite mic preamp with 48v
  189. Output Transformer for INA217 Mic Preamp?
  190. Advise please on EQ restore...
  191. Recommendations for pre/mixer/thing boards or etc.?
  192. Daisy chain components
  193. Unidirectional Electert Mic and Preamp help.
  194. Rotary stepped attenuator (series) instructions?
  195. High Quality Splitters and Mixers
  196. Which transformations inside this Django?
  197. Balanced stepped attenuator with constant input impedance
  198. 4-ch unbalanced as stereo balanced?
  199. zobel network at driver Fs?
  200. another relay input/volume controller
  201. Basic Inverting Opamp HUM
  202. Recommendations for a simple, opamp-based low-gain stage?
  203. Art Project needs advise, wall of boomboxes
  204. Attenuator design for a modular synth?
  205. Pot values for tone control - from 25k to 10k
  206. Needing Stereo to Mono Summing help...
  207. 2.1 preamp
  208. A little advice, re capping
  209. 8 ohm volume pot
  210. Naim NAC 32.5 Gain board lower gain
  211. P7 Mini Preamp Possible Improvements
  212. Hum issue in hpf circuit
  213. CS3318 Volume Control board with IR?
  214. Balanced line behaviour on Mixer's output
  215. Akitika PR101 Preamp by Dan Joffe
  216. Which one of these wiring schemes will have lower noise?
  217. Need help identifying preamp internals. Conrad Johnson PV-1?
  218. New edition D. Self Small Signal Audio Design
  219. Subwoofer preamplifier with low frequency boost below 30Hz?
  220. Spectrum analyser using LM3915
  221. 9V opamp suggestions
  222. Circlotron LINE and RIAA Pre-Amplifiers wanted
  223. JFET choice for transformer coupled mic preamp
  224. understanding source+return current flow on PCBs
  225. Why are JRC MUSE01 and MUSE02 opamps so expensive?
  226. can use la3161 as a simple solution in a car ?
  227. crossover commission/kit
  228. Switch both sides of input connections?
  229. Hammond 140QEX
  230. Current Amplifyer
  231. An Old Nikko power-supply section question
  232. THAT 202XT VCA + ?
  233. Need analog guru help on grounding
  234. iRig Pre Component Upgrade
  235. Calculating a TVC
  236. Balanced Microphone Preamplifier
  237. Electret Condenser Microphone preamp analysis
  238. LF Line Level Stage design to preceed class D amplifier
  239. Mic Preamp w transformer input: changing impedance
  240. Line level / unity gain vacuum tube circuits
  241. Interpret stereophile measurement data
  242. Diy passive pre and switch
  243. slow audio increase at turn on?
  244. Hammond Amplifier Modification Issue
  245. Would like some help with a "Crossover Isolator"
  246. Correct way to split line level inside dual headphone amp
  247. How can this work?
  248. Balanced input
  249. crossover / summer for "2.1" active or passive
  250. Need Advice for Bi-amping

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