View Full Version : Analog Line Level

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

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