View Full Version : Analog Line Level

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  1. need help with car ampifier preamp section
  2. Thoughts on reduction of 2nd order harmonic distortion
  3. HK citation 17- new output relay switch
  4. Not Equal Slope of Active Crossover at Same Cut Of Frequency
  5. Soundcard buffer critique, please?
  6. A little advice regarding boosted op amp
  7. preamp/buffer for TA2020/2024
  8. Building a decent input switcher
  9. crossover: series vs paraller effect on load impedance
  10. "NOOB" needs help with tube preamp build
  11. SSL xlogic alpha vhd pre phantom problem
  12. "All at once" IC Phono Stage circuit
  13. Phono stage on ebay EAR834
  14. AK phonostage
  15. INA217 preamp OPA question
  16. PGA 2310 kit
  17. FM Reception Trouble
  18. Help with older Claricon mixer
  19. Single-supply buffer help
  20. minimum preamp output impedance
  21. MXL V69 doesn't work
  22. speaker setup xo help
  23. LCDuino (arduino) R2R relay preamp
  24. My PGA2310 Box
  25. Recommend a Tube buffer for use in product
  26. Spice transistor parameters?
  27. Pre-amp for electret mic capsule->PC input
  28. Good audio with LDR's
  29. Balanced Preamp for bi-amping
  30. dynamic mic to electret input, with splitter
  31. 'slow down' ad797
  32. Linear DAC power supply
  33. VC23 PGAVOL using PGA2310
  34. Help needed designing signal switching circuit
  35. VU Meter XXL with LED Stripe
  36. DC offset from the line level stage.
  37. Anyone have information about Da Vinci Transformer Passive Preamp?
  38. Preamp needed?
  39. DAC to AMP clipping vs noise
  40. Input Select \ Fader IC
  41. Noisy trough
  42. Matching Pre & Power amp.
  43. mic mixer with echo/delay feature connection
  44. http://www.ebay.com/itm/NE5532-volume-control-board-10-times-pre-amp-ASSEMBLED
  45. Phase Inversion
  46. One pair of coupling caps on the input of my XO?
  47. Paralleling transistors for noise
  48. Op Amp rolling OPA627 unstable.
  49. Pitchfork pre-amplifier
  50. 34mm Large Mylar Capsule Diaphragm mic project
  51. XLR to RCA cable wiring
  52. Crown SL-2 Project
  53. Behringer CX2300 replace caps (values change)
  54. Potentiometer wattage
  55. Quick Question about "Grounds".
  56. Mic Preamp which should I make ?
  57. Summing Audio - is it really THAT easy? featuring: MIDIman
  58. 6 channel mini mixer
  59. McIntosh C504
  60. Cambridge 640
  61. Commercial crossover or DIY?
  62. MAX9632???
  63. please help me to calculate/guess Vrms input?
  64. Before you mock me....
  65. New Dual Mono Super BA-3
  66. Two balanced line receivers (switched) at one balanced input
  67. Walt Jung circuit
  68. Unbalancer - user experience
  69. Help, I need to build a signal pad, I want it to be perfect, looking for advice.
  70. Amp Selector Switch - multiple amps, rotary switch
  71. Open Source Remote Control
  72. Another B1 buffer PCB design question
  73. Quad, DIP op amp selection
  74. Input selector provokes oscillation
  75. Aikido Tube buffer stage cathode follower
  76. Doing an analog linear phase crossover
  77. L-C-R RIAA, replacing the L with a gyrator?
  78. LR4 SMD filter project
  79. Linn Kairn schematic?
  80. Volume control for Modulus86
  81. EMU 1616m preamp squealing
  82. Phono stage recommendation
  83. Capacitor on "ground" interconnection to block "ground" DC voltage
  84. tda7052 as volume controll/preamp ?
  85. Help to build a Passive Balanced Preamplifier (Volume control)
  86. Optimal Volume Pot Resistance Question.
  87. How to reduce a preamp output voltage?
  88. Radio Tuner Phono Switcher Box
  89. Linkwitz-Riley 24 dB/Octave pcb
  90. Low pass filter circuit design
  91. Preamp input diagnosis
  92. Modifying a Class A preamplifier design for more gain
  93. PRO 2 or 3 way 4th order crossover.
  94. Those tiresome RCA/chinch
  95. Simple mic preamp
  96. Power supply dilemma for 8-channel mic pre
  97. NAD 1020 replace potentiometers tones!!
  98. Mic cable as single ended interconnects
  99. Layman's question for the pros
  100. Active volume control with balanced output using 2 op-amps
  101. Great American Sound Thalia 1 Service Info
  102. Too much signal voltage...
  103. Impedance matching - Source / Attenuator / Amp
  104. DIY Sine Wave Oscillator Trouble
  105. What is the maximum gain for 1 op amp stage?
  106. What is the consequence of this wiring scheme? (With tangential "extra trace"?)
  107. preamp relay driver needed
  108. Buffer output for PCM1794A
  109. Lemonstre at linelevel
  110. Large band para eq - optimisations and smd pcb ?
  111. Passive line level crossover, different impedance amps
  112. TI Active volume control board...tipd136
  113. carlos Jfet pre voltage questions
  114. Looking for basic source mixer for home system
  115. Help needed for calaculate cutoff frequency ?
  116. Critique this noninverting opamp buffer/amplifier please? Almost time to build...
  117. the "JB" 3-stage Phono Preamp
  118. Preamp does not mute.
  119. 9 Pin1/4" inputjack for Soho tube Preamp
  120. Great American Sound Thaila 2 Setup Procedure
  121. Need a simple pre-amp, quick!
  122. Adding a (variable) gain boost to this non-inverting opamp buffer circuit?
  123. Klotz IC cables - opinions on specific types
  124. Matching I/O Impedance - How to?
  125. Equalizer and tone control circuit used in Dj mixer
  126. High performance subwoofer filter circuit(low pass) to your audio amp
  127. Unity gain opamp circuit
  128. Looking for a Cheap, simple Opamp gain stage
  129. Phantom Powered Stereo DI
  130. Why so difficult; It's just a switch
  131. Buzzing passive pre-amp
  132. do i need a preamp for a passive mixer?
  133. Wire gauge for amplifier's signal level input.
  134. CD Line out - PC sound
  135. Phono pre with Jfet and then ad815 at the second stage..
  136. Replacement for Monacor's RCA Connector T-724G wanted
  137. synare clone kit
  138. Full-Analog Arduino(or embedded)-CTRL 2wayCrossover
  139. Line Level Transformer Impedance
  140. Need help with schematics
  141. Luminous Axiom Passive Pre with 2 Outputs - Dumb Question
  142. how to remote control a rotary switch
  143. NE5532 preamp questions
  144. Using O2 as preamp
  145. 0.005% Distortion Tone Control Preamp, NJW1119A Chipset
  146. Low pass filter for subwoofer.
  147. Getting 10-15 dB gain from an opamp buffer circuit?
  148. Simple Volume Knob&Limiter?
  149. Phono card as standalone unit
  150. Passive Preamp schematic for multiple inputs and 2 outputs - help?
  151. 3-way input audio input switching board (ebay)
  152. mixer line in gain control
  153. Single ended Baxandall control - offset on pots
  154. HK825 replace Balance Pot
  155. Simple attenuation needed
  156. Looking for circuit improvement advice(Precision Fidelity C8)
  157. pre-amp with 2 stages adjustable gain
  158. portable discrete mic preamp
  159. Preventing source selector 'thump' using transformer?
  160. Bass loss after static shock - HELP
  161. R-2R attenuator PCB layout question
  162. Using 2SK170/J74BL in Ebay JC-2 "Clone"
  163. Is this signal path correct?
  164. Op amp band pass filter connection problems
  165. lpf calculator
  166. impedance matching question
  167. Custom 6H30 linestage
  168. DIY microphone preamp for Monacor MCE-404U capsule
  169. AD815 or THS6012 pros and cons
  170. What is the impedance out of a voltage divider?
  171. Phono Preamp Question...
  172. Analogue Parametric EQ - Calrec Polar...
  173. Sony pcm 7010 - XLR to RCA input
  174. TDA1524A preamp
  175. Wishlist: Op Amp Characterization Curves in Datasheets
  176. Parametric Mid EQ Pot Wiring
  177. Need PS Audio PS IV schematic
  178. Adding Balanced Outputs Psuedo or Real?
  179. Sending an A/V multi channel pre out into another A/V line in?
  180. Copper purity of Cat-5e cable ?
  181. Balance control?
  182. Input/output transformer question
  183. Equalizing the midrange out of a small Radio Shack driver
  184. what ohmage potentiometer for line out volume control?
  185. preamp signal powered down amp
  186. Passive Balanced Attenuator (between Pre & Power)
  187. Best way to add stereo subwoofer pre-outs to existing DAC/preamp?
  188. iPhone Line Out to Car Amp
  189. Is LR4 phase shift audible
  190. line preamp /buffer /module
  191. Please evaluate this RIAA schematic (njm4580)
  192. Praamp crackling
  193. Buffer Jfet
  194. Onkyo SC-901 crossover rebuild(upgrade)
  195. Art Tube MP Help!
  196. How is the sound of the Radford ZD22 preamp compared to modern high-end preamps ?
  197. from stereo to mono (subwoofer) passive adder ?
  198. Newbie Question: Troubleshooting Simple Line Mixer
  199. About preamp circuits improvements
  200. Noob Question: Electros in signal path
  201. Passive or feedback RIAA network tube phono pre?
  202. THAT1606 based line buffer for balanced guitar - Vero design okay?
  203. Attenuating line level signal with buffer vs. resistor...
  204. New Guy Needs Help With Optimus 31-2025 Graphic Equalizer
  205. Preamp: opamp low pass filter for PS noise
  206. I could use some help on a PS Audio Preamp
  207. another opamp based preamp
  208. Comment on Grounding Scheme?
  209. Radio Shack experimenter kits
  210. Crossover for Scan Speak 6000 tweeter.
  211. Neutrik nte 10/3 help
  212. RCA to XLR
  213. BBE XR-5383 chip
  214. Balanced level preamp
  215. cinemag CMLI-15/15B, unbal--> bal
  216. Pin 1: Multiple XLRs between two amplifiers
  217. Connecting Mp3 player
  218. DIY Tone + Volume control
  219. volume control
  220. Linkwitz-Riley Electronic Crossover PCB
  221. Balanced Microphone Preamp
  222. How Much Voltage Do I Need For a Standard Headphone
  223. Yet another passive volume control
  224. Distortion and Source Impedance in JFET Input Op Amps
  225. Analog switches
  226. Yuan Jing 6n3 tube preamp power requirements and options
  227. PGA2310 frequency response
  228. Smoking Preamplifier
  229. Carver C1 preamp
  230. Meridian 201 help
  231. Active speaker- adding amp/xo
  232. basic power supply questions
  233. McIntosh C26 hum after recaping
  234. Old Volvo Tape Deck Line Level to Tape Head
  235. I Need A New Audio Input Indicator
  236. Handy Non Inverting Active Volume Control
  237. Active volume control - Be quiet please.
  238. Complementary MOS Preamp
  240. Simple Symmetrical Preamplifier
  241. EMT-240, EMT 262
  242. Looking for that person who can analyze and upgrade.
  243. TKD stereo attenuator 10k
  244. Douglas self four-band baxandall eq
  245. Input Noise Cancelation - LME 49990 - LT1028
  246. Baxandall Variations
  247. HELP! Electret mic - Powering from Focusrite mic preamp with 48v
  248. Output Transformer for INA217 Mic Preamp?
  249. Advise please on EQ restore...
  250. Recommendations for pre/mixer/thing boards or etc.?

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