View Full Version : Analog Line Level

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  1. 'slow down' ad797
  2. Linear DAC power supply
  3. VC23 PGAVOL using PGA2310
  4. Help needed designing signal switching circuit
  5. VU Meter XXL with LED Stripe
  6. DC offset from the line level stage.
  7. Anyone have information about Da Vinci Transformer Passive Preamp?
  8. Preamp needed?
  9. DAC to AMP clipping vs noise
  10. Input Select \ Fader IC
  11. Noisy trough
  12. Matching Pre & Power amp.
  13. mic mixer with echo/delay feature connection
  14. http://www.ebay.com/itm/NE5532-volume-control-board-10-times-pre-amp-ASSEMBLED
  15. Phase Inversion
  16. One pair of coupling caps on the input of my XO?
  17. Paralleling transistors for noise
  18. Op Amp rolling OPA627 unstable.
  19. Pitchfork pre-amplifier
  20. 34mm Large Mylar Capsule Diaphragm mic project
  21. XLR to RCA cable wiring
  22. Crown SL-2 Project
  23. Behringer CX2300 replace caps (values change)
  24. Potentiometer wattage
  25. Quick Question about "Grounds".
  26. Mic Preamp which should I make ?
  27. Summing Audio - is it really THAT easy? featuring: MIDIman
  28. McIntosh C504
  29. Cambridge 640
  30. Commercial crossover or DIY?
  31. MAX9632???
  32. please help me to calculate/guess Vrms input?
  33. Before you mock me....
  34. New Dual Mono Super BA-3
  35. Two balanced line receivers (switched) at one balanced input
  36. Walt Jung circuit
  37. Unbalancer - user experience
  38. Help, I need to build a signal pad, I want it to be perfect, looking for advice.
  39. Amp Selector Switch - multiple amps, rotary switch
  40. Open Source Remote Control
  41. Another B1 buffer PCB design question
  42. Quad, DIP op amp selection
  43. Input selector provokes oscillation
  44. Aikido Tube buffer stage cathode follower
  45. Doing an analog linear phase crossover
  46. L-C-R RIAA, replacing the L with a gyrator?
  47. LR4 SMD filter project
  48. Linn Kairn schematic?
  49. Volume control for Modulus86
  50. EMU 1616m preamp squealing
  51. Phono stage recommendation
  52. Capacitor on "ground" interconnection to block "ground" DC voltage
  53. tda7052 as volume controll/preamp ?
  54. Help to build a Passive Balanced Preamplifier (Volume control)
  55. Optimal Volume Pot Resistance Question.
  56. How to reduce a preamp output voltage?
  57. Radio Tuner Phono Switcher Box
  58. Linkwitz-Riley 24 dB/Octave pcb
  59. Low pass filter circuit design
  60. Preamp input diagnosis
  61. Modifying a Class A preamplifier design for more gain
  62. PRO 2 or 3 way 4th order crossover.
  63. Those tiresome RCA/chinch
  64. Simple mic preamp
  65. Power supply dilemma for 8-channel mic pre
  66. NAD 1020 replace potentiometers tones!!
  67. Mic cable as single ended interconnects
  68. Layman's question for the pros
  69. Active volume control with balanced output using 2 op-amps
  70. Great American Sound Thalia 1 Service Info
  71. Too much signal voltage...
  72. Impedance matching - Source / Attenuator / Amp
  73. DIY Sine Wave Oscillator Trouble
  74. What is the maximum gain for 1 op amp stage?
  75. What is the consequence of this wiring scheme? (With tangential "extra trace"?)
  76. preamp relay driver needed
  77. Buffer output for PCM1794A
  78. Lemonstre at linelevel
  79. Large band para eq - optimisations and smd pcb ?
  80. Passive line level crossover, different impedance amps
  81. TI Active volume control board...tipd136
  82. carlos Jfet pre voltage questions
  83. Looking for basic source mixer for home system
  84. Help needed for calaculate cutoff frequency ?
  85. Critique this noninverting opamp buffer/amplifier please? Almost time to build...
  86. the "JB" 3-stage Phono Preamp
  87. Preamp does not mute.
  88. 9 Pin1/4" inputjack for Soho tube Preamp
  89. Great American Sound Thaila 2 Setup Procedure
  90. Need a simple pre-amp, quick!
  91. Adding a (variable) gain boost to this non-inverting opamp buffer circuit?
  92. Klotz IC cables - opinions on specific types
  93. Matching I/O Impedance - How to?
  94. Equalizer and tone control circuit used in Dj mixer
  95. High performance subwoofer filter circuit(low pass) to your audio amp
  96. Unity gain opamp circuit
  97. Looking for a Cheap, simple Opamp gain stage
  98. Phantom Powered Stereo DI
  99. Why so difficult; It's just a switch
  100. Buzzing passive pre-amp
  101. do i need a preamp for a passive mixer?
  102. Wire gauge for amplifier's signal level input.
  103. RIAA preamp project
  104. CD Line out - PC sound
  105. Phono pre with Jfet and then ad815 at the second stage..
  106. Replacement for Monacor's RCA Connector T-724G wanted
  107. synare clone kit
  108. Full-Analog Arduino(or embedded)-CTRL 2wayCrossover
  109. Line Level Transformer Impedance
  110. Need help with schematics
  111. Luminous Axiom Passive Pre with 2 Outputs - Dumb Question
  112. how to remote control a rotary switch
  113. NE5532 preamp questions
  114. Using O2 as preamp
  115. 0.005% Distortion Tone Control Preamp, NJW1119A Chipset
  116. Low pass filter for subwoofer.
  117. Getting 10-15 dB gain from an opamp buffer circuit?
  118. Simple Volume Knob&Limiter?
  119. Phono card as standalone unit
  120. Passive Preamp schematic for multiple inputs and 2 outputs - help?
  121. 3-way input audio input switching board (ebay)
  122. mixer line in gain control
  123. Single ended Baxandall control - offset on pots
  124. HK825 replace Balance Pot
  125. Simple attenuation needed
  126. Looking for circuit improvement advice(Precision Fidelity C8)
  127. pre-amp with 2 stages adjustable gain
  128. portable discrete mic preamp
  129. Preventing source selector 'thump' using transformer?
  130. Bass loss after static shock - HELP
  131. First post
  132. R-2R attenuator PCB layout question
  133. Using 2SK170/J74BL in Ebay JC-2 "Clone"
  134. Is this signal path correct?
  135. Op amp band pass filter connection problems
  136. lpf calculator
  137. impedance matching question
  138. Custom 6H30 linestage
  139. DIY microphone preamp for Monacor MCE-404U capsule
  140. AD815 or THS6012 pros and cons
  141. What is the impedance out of a voltage divider?
  142. Phono Preamp Question...
  143. Sony pcm 7010 - XLR to RCA input
  144. TDA1524A preamp
  145. Wishlist: Op Amp Characterization Curves in Datasheets
  146. Parametric Mid EQ Pot Wiring
  147. Need PS Audio PS IV schematic
  148. Adding Balanced Outputs Psuedo or Real?
  149. Sending an A/V multi channel pre out into another A/V line in?
  150. Copper purity of Cat-5e cable ?
  151. Balance control?
  152. Input/output transformer question
  153. Equalizing the midrange out of a small Radio Shack driver
  154. what ohmage potentiometer for line out volume control?
  155. preamp signal powered down amp
  156. Passive Balanced Attenuator (between Pre & Power)
  157. Best way to add stereo subwoofer pre-outs to existing DAC/preamp?
  158. iPhone Line Out to Car Amp
  159. Is LR4 phase shift audible
  160. line preamp /buffer /module
  161. Please evaluate this RIAA schematic (njm4580)
  162. Praamp crackling
  163. Buffer Jfet
  164. Onkyo SC-901 crossover rebuild(upgrade)
  165. Art Tube MP Help!
  166. How is the sound of the Radford ZD22 preamp compared to modern high-end preamps ?
  167. from stereo to mono (subwoofer) passive adder ?
  168. Newbie Question: Troubleshooting Simple Line Mixer
  169. About preamp circuits improvements
  170. Noob Question: Electros in signal path
  171. Passive or feedback RIAA network tube phono pre?
  172. THAT1606 based line buffer for balanced guitar - Vero design okay?
  173. Attenuating line level signal with buffer vs. resistor...
  174. New Guy Needs Help With Optimus 31-2025 Graphic Equalizer
  175. Preamp: opamp low pass filter for PS noise
  176. I could use some help on a PS Audio Preamp
  177. another opamp based preamp
  178. Comment on Grounding Scheme?
  179. Radio Shack experimenter kits
  180. Crossover for Scan Speak 6000 tweeter.
  181. Neutrik nte 10/3 help
  182. RCA to XLR
  183. BBE XR-5383 chip
  184. Balanced level preamp
  185. cinemag CMLI-15/15B, unbal--> bal
  186. Pin 1: Multiple XLRs between two amplifiers
  187. Connecting Mp3 player
  188. DIY Tone + Volume control
  189. volume control
  190. Linkwitz-Riley Electronic Crossover PCB
  191. Balanced Microphone Preamp
  192. How Much Voltage Do I Need For a Standard Headphone
  193. Yet another passive volume control
  194. Distortion and Source Impedance in JFET Input Op Amps
  195. Analog switches
  196. Yuan Jing 6n3 tube preamp power requirements and options
  197. PGA2310 frequency response
  198. Smoking Preamplifier
  199. Carver C1 preamp
  200. Meridian 201 help
  201. Active speaker- adding amp/xo
  202. basic power supply questions
  203. McIntosh C26 hum after recaping
  204. Old Volvo Tape Deck Line Level to Tape Head
  205. I Need A New Audio Input Indicator
  206. Handy Non Inverting Active Volume Control
  207. Active volume control - Be quiet please.
  208. Complementary MOS Preamp
  210. Simple Symmetrical Preamplifier
  211. EMT-240, EMT 262
  212. Looking for that person who can analyze and upgrade.
  213. TKD stereo attenuator 10k
  214. Douglas self four-band baxandall eq
  215. Input Noise Cancelation - LME 49990 - LT1028
  216. Baxandall Variations
  217. HELP! Electret mic - Powering from Focusrite mic preamp with 48v
  218. Output Transformer for INA217 Mic Preamp?
  219. Advise please on EQ restore...
  220. Recommendations for pre/mixer/thing boards or etc.?
  221. Daisy chain components
  222. Unidirectional Electert Mic and Preamp help.
  223. Rotary stepped attenuator (series) instructions?
  224. High Quality Splitters and Mixers
  225. Which transformations inside this Django?
  226. Balanced stepped attenuator with constant input impedance
  227. 4-ch unbalanced as stereo balanced?
  228. zobel network at driver Fs?
  229. another relay input/volume controller
  230. Basic Inverting Opamp HUM
  231. Recommendations for a simple, opamp-based low-gain stage?
  232. Art Project needs advise, wall of boomboxes
  233. Attenuator design for a modular synth?
  234. Pot values for tone control - from 25k to 10k
  235. Needing Stereo to Mono Summing help...
  236. 2.1 preamp
  237. A little advice, re capping
  238. 8 ohm volume pot
  239. Naim NAC 32.5 Gain board lower gain
  240. P7 Mini Preamp Possible Improvements
  241. Hum issue in hpf circuit
  242. CS3318 Volume Control board with IR?
  243. Balanced line behaviour on Mixer's output
  244. Akitika PR101 Preamp by Dan Joffe
  245. Which one of these wiring schemes will have lower noise?
  246. Need help identifying preamp internals. Conrad Johnson PV-1?
  247. New edition D. Self Small Signal Audio Design
  248. Subwoofer preamplifier with low frequency boost below 30Hz?
  249. Spectrum analyser using LM3915
  250. 9V opamp suggestions

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