View Full Version : Analog Line Level

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

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