View Full Version : Analog Line Level

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  1. FM Reception Trouble
  2. Help with older Claricon mixer
  3. Single-supply buffer help
  4. minimum preamp output impedance
  5. MXL V69 doesn't work
  6. speaker setup xo help
  7. LCDuino (arduino) R2R relay preamp
  8. My PGA2310 Box
  9. Recommend a Tube buffer for use in product
  10. Spice transistor parameters?
  11. Pre-amp for electret mic capsule->PC input
  12. Good audio with LDR's
  13. Balanced Preamp for bi-amping
  14. dynamic mic to electret input, with splitter
  15. 'slow down' ad797
  16. Linear DAC power supply
  17. VC23 PGAVOL using PGA2310
  18. Help needed designing signal switching circuit
  19. VU Meter XXL with LED Stripe
  20. DC offset from the line level stage.
  21. Anyone have information about Da Vinci Transformer Passive Preamp?
  22. Preamp needed?
  23. DAC to AMP clipping vs noise
  24. Input Select \ Fader IC
  25. Noisy trough
  26. Matching Pre & Power amp.
  27. mic mixer with echo/delay feature connection
  28. http://www.ebay.com/itm/NE5532-volume-control-board-10-times-pre-amp-ASSEMBLED
  29. Phase Inversion
  30. One pair of coupling caps on the input of my XO?
  31. Paralleling transistors for noise
  32. Op Amp rolling OPA627 unstable.
  33. Pitchfork pre-amplifier
  34. 34mm Large Mylar Capsule Diaphragm mic project
  35. XLR to RCA cable wiring
  36. Crown SL-2 Project
  37. Behringer CX2300 replace caps (values change)
  38. Potentiometer wattage
  39. Quick Question about "Grounds".
  40. Mic Preamp which should I make ?
  41. Summing Audio - is it really THAT easy? featuring: MIDIman
  42. McIntosh C504
  43. Cambridge 640
  44. Commercial crossover or DIY?
  45. MAX9632???
  46. please help me to calculate/guess Vrms input?
  47. Before you mock me....
  48. New Dual Mono Super BA-3
  49. Two balanced line receivers (switched) at one balanced input
  50. Walt Jung circuit
  51. Unbalancer - user experience
  52. Help, I need to build a signal pad, I want it to be perfect, looking for advice.
  53. Amp Selector Switch - multiple amps, rotary switch
  54. Open Source Remote Control
  55. Another B1 buffer PCB design question
  56. Quad, DIP op amp selection
  57. Input selector provokes oscillation
  58. Aikido Tube buffer stage cathode follower
  59. Doing an analog linear phase crossover
  60. L-C-R RIAA, replacing the L with a gyrator?
  61. LR4 SMD filter project
  62. Linn Kairn schematic?
  63. Volume control for Modulus86
  64. EMU 1616m preamp squealing
  65. Phono stage recommendation
  66. Capacitor on "ground" interconnection to block "ground" DC voltage
  67. tda7052 as volume controll/preamp ?
  68. Help to build a Passive Balanced Preamplifier (Volume control)
  69. Optimal Volume Pot Resistance Question.
  70. How to reduce a preamp output voltage?
  71. Radio Tuner Phono Switcher Box
  72. Linkwitz-Riley 24 dB/Octave pcb
  73. Low pass filter circuit design
  74. Preamp input diagnosis
  75. Modifying a Class A preamplifier design for more gain
  76. PRO 2 or 3 way 4th order crossover.
  77. Those tiresome RCA/chinch
  78. Simple mic preamp
  79. Power supply dilemma for 8-channel mic pre
  80. NAD 1020 replace potentiometers tones!!
  81. Mic cable as single ended interconnects
  82. Layman's question for the pros
  83. Active volume control with balanced output using 2 op-amps
  84. Great American Sound Thalia 1 Service Info
  85. Too much signal voltage...
  86. Impedance matching - Source / Attenuator / Amp
  87. DIY Sine Wave Oscillator Trouble
  88. What is the maximum gain for 1 op amp stage?
  89. What is the consequence of this wiring scheme? (With tangential "extra trace"?)
  90. preamp relay driver needed
  91. Buffer output for PCM1794A
  92. Lemonstre at linelevel
  93. Large band para eq - optimisations and smd pcb ?
  94. Passive line level crossover, different impedance amps
  95. TI Active volume control board...tipd136
  96. carlos Jfet pre voltage questions
  97. Looking for basic source mixer for home system
  98. Help needed for calaculate cutoff frequency ?
  99. Critique this noninverting opamp buffer/amplifier please? Almost time to build...
  100. the "JB" 3-stage Phono Preamp
  101. Preamp does not mute.
  102. 9 Pin1/4" inputjack for Soho tube Preamp
  103. Great American Sound Thaila 2 Setup Procedure
  104. Need a simple pre-amp, quick!
  105. Adding a (variable) gain boost to this non-inverting opamp buffer circuit?
  106. Klotz IC cables - opinions on specific types
  107. Matching I/O Impedance - How to?
  108. Equalizer and tone control circuit used in Dj mixer
  109. High performance subwoofer filter circuit(low pass) to your audio amp
  110. Unity gain opamp circuit
  111. Looking for a Cheap, simple Opamp gain stage
  112. Phantom Powered Stereo DI
  113. Why so difficult; It's just a switch
  114. Buzzing passive pre-amp
  115. do i need a preamp for a passive mixer?
  116. Wire gauge for amplifier's signal level input.
  117. CD Line out - PC sound
  118. Phono pre with Jfet and then ad815 at the second stage..
  119. Replacement for Monacor's RCA Connector T-724G wanted
  120. synare clone kit
  121. Full-Analog Arduino(or embedded)-CTRL 2wayCrossover
  122. Line Level Transformer Impedance
  123. Need help with schematics
  124. Luminous Axiom Passive Pre with 2 Outputs - Dumb Question
  125. how to remote control a rotary switch
  126. NE5532 preamp questions
  127. Using O2 as preamp
  128. 0.005% Distortion Tone Control Preamp, NJW1119A Chipset
  129. Low pass filter for subwoofer.
  130. Getting 10-15 dB gain from an opamp buffer circuit?
  131. Simple Volume Knob&Limiter?
  132. Phono card as standalone unit
  133. Passive Preamp schematic for multiple inputs and 2 outputs - help?
  134. 3-way input audio input switching board (ebay)
  135. mixer line in gain control
  136. Single ended Baxandall control - offset on pots
  137. HK825 replace Balance Pot
  138. Simple attenuation needed
  139. Looking for circuit improvement advice(Precision Fidelity C8)
  140. pre-amp with 2 stages adjustable gain
  141. portable discrete mic preamp
  142. Preventing source selector 'thump' using transformer?
  143. Bass loss after static shock - HELP
  144. First post
  145. R-2R attenuator PCB layout question
  146. Using 2SK170/J74BL in Ebay JC-2 "Clone"
  147. Is this signal path correct?
  148. Op amp band pass filter connection problems
  149. lpf calculator
  150. impedance matching question
  151. Custom 6H30 linestage
  152. DIY microphone preamp for Monacor MCE-404U capsule
  153. AD815 or THS6012 pros and cons
  154. What is the impedance out of a voltage divider?
  155. Phono Preamp Question...
  156. Sony pcm 7010 - XLR to RCA input
  157. TDA1524A preamp
  158. Wishlist: Op Amp Characterization Curves in Datasheets
  159. Parametric Mid EQ Pot Wiring
  160. Need PS Audio PS IV schematic
  161. Adding Balanced Outputs Psuedo or Real?
  162. Sending an A/V multi channel pre out into another A/V line in?
  163. Copper purity of Cat-5e cable ?
  164. Balance control?
  165. Input/output transformer question
  166. Equalizing the midrange out of a small Radio Shack driver
  167. what ohmage potentiometer for line out volume control?
  168. preamp signal powered down amp
  169. Passive Balanced Attenuator (between Pre & Power)
  170. Best way to add stereo subwoofer pre-outs to existing DAC/preamp?
  171. iPhone Line Out to Car Amp
  172. Is LR4 phase shift audible
  173. line preamp /buffer /module
  174. Please evaluate this RIAA schematic (njm4580)
  175. Praamp crackling
  176. Buffer Jfet
  177. Onkyo SC-901 crossover rebuild(upgrade)
  178. Art Tube MP Help!
  179. How is the sound of the Radford ZD22 preamp compared to modern high-end preamps ?
  180. from stereo to mono (subwoofer) passive adder ?
  181. Newbie Question: Troubleshooting Simple Line Mixer
  182. About preamp circuits improvements
  183. Noob Question: Electros in signal path
  184. Passive or feedback RIAA network tube phono pre?
  185. THAT1606 based line buffer for balanced guitar - Vero design okay?
  186. Attenuating line level signal with buffer vs. resistor...
  187. New Guy Needs Help With Optimus 31-2025 Graphic Equalizer
  188. Preamp: opamp low pass filter for PS noise
  189. I could use some help on a PS Audio Preamp
  190. another opamp based preamp
  191. Comment on Grounding Scheme?
  192. Radio Shack experimenter kits
  193. Crossover for Scan Speak 6000 tweeter.
  194. Neutrik nte 10/3 help
  195. RCA to XLR
  196. BBE XR-5383 chip
  197. Balanced level preamp
  198. cinemag CMLI-15/15B, unbal--> bal
  199. Pin 1: Multiple XLRs between two amplifiers
  200. Connecting Mp3 player
  201. DIY Tone + Volume control
  202. volume control
  203. Linkwitz-Riley Electronic Crossover PCB
  204. Balanced Microphone Preamp
  205. How Much Voltage Do I Need For a Standard Headphone
  206. Yet another passive volume control
  207. Distortion and Source Impedance in JFET Input Op Amps
  208. Analog switches
  209. Yuan Jing 6n3 tube preamp power requirements and options
  210. PGA2310 frequency response
  211. Smoking Preamplifier
  212. Carver C1 preamp
  213. Meridian 201 help
  214. Active speaker- adding amp/xo
  215. basic power supply questions
  216. McIntosh C26 hum after recaping
  217. Old Volvo Tape Deck Line Level to Tape Head
  218. I Need A New Audio Input Indicator
  219. Handy Non Inverting Active Volume Control
  220. Active volume control - Be quiet please.
  221. Complementary MOS Preamp
  223. Simple Symmetrical Preamplifier
  224. EMT-240, EMT 262
  225. Looking for that person who can analyze and upgrade.
  226. TKD stereo attenuator 10k
  227. Douglas self four-band baxandall eq
  228. Input Noise Cancelation - LME 49990 - LT1028
  229. Baxandall Variations
  230. HELP! Electret mic - Powering from Focusrite mic preamp with 48v
  231. Output Transformer for INA217 Mic Preamp?
  232. Advise please on EQ restore...
  233. Recommendations for pre/mixer/thing boards or etc.?
  234. Daisy chain components
  235. Unidirectional Electert Mic and Preamp help.
  236. Rotary stepped attenuator (series) instructions?
  237. High Quality Splitters and Mixers
  238. Which transformations inside this Django?
  239. Balanced stepped attenuator with constant input impedance
  240. 4-ch unbalanced as stereo balanced?
  241. zobel network at driver Fs?
  242. another relay input/volume controller
  243. Basic Inverting Opamp HUM
  244. Recommendations for a simple, opamp-based low-gain stage?
  245. Art Project needs advise, wall of boomboxes
  246. Attenuator design for a modular synth?
  247. Pot values for tone control - from 25k to 10k
  248. Needing Stereo to Mono Summing help...
  249. 2.1 preamp
  250. A little advice, re capping

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