View Full Version : Analog Line Level

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  1. 4-ch unbalanced as stereo balanced?
  2. zobel network at driver Fs?
  3. another relay input/volume controller
  4. Basic Inverting Opamp HUM
  5. Recommendations for a simple, opamp-based low-gain stage?
  6. Art Project needs advise, wall of boomboxes
  7. Attenuator design for a modular synth?
  8. Pot values for tone control - from 25k to 10k
  9. Needing Stereo to Mono Summing help...
  10. 2.1 preamp
  11. A little advice, re capping
  12. 8 ohm volume pot
  13. Naim NAC 32.5 Gain board lower gain
  14. P7 Mini Preamp Possible Improvements
  15. Hum issue in hpf circuit
  16. CS3318 Volume Control board with IR?
  17. Balanced line behaviour on Mixer's output
  18. Akitika PR101 Preamp by Dan Joffe
  19. Which one of these wiring schemes will have lower noise?
  20. Need help identifying preamp internals. Conrad Johnson PV-1?
  21. New edition D. Self Small Signal Audio Design
  22. Subwoofer preamplifier with low frequency boost below 30Hz?
  23. Spectrum analyser using LM3915
  24. 9V opamp suggestions
  25. Circlotron LINE and RIAA Pre-Amplifiers wanted
  26. JFET choice for transformer coupled mic preamp
  27. understanding source+return current flow on PCBs
  28. Why are JRC MUSE01 and MUSE02 opamps so expensive?
  29. can use la3161 as a simple solution in a car ?
  30. crossover commission/kit
  31. Switch both sides of input connections?
  32. Hammond 140QEX
  33. Current Amplifyer
  34. An Old Nikko power-supply section question
  35. THAT 202XT VCA + ?
  36. Need analog guru help on grounding
  37. iRig Pre Component Upgrade
  38. Calculating a TVC
  39. Balanced Microphone Preamplifier
  40. Electret Condenser Microphone preamp analysis
  41. LF Line Level Stage design to preceed class D amplifier
  42. Mic Preamp w transformer input: changing impedance
  43. Line level / unity gain vacuum tube circuits
  44. Interpret stereophile measurement data
  45. Diy passive pre and switch
  46. slow audio increase at turn on?
  47. Hammond Amplifier Modification Issue
  48. Would like some help with a "Crossover Isolator"
  49. Correct way to split line level inside dual headphone amp
  50. How can this work?
  51. Balanced input
  52. crossover / summer for "2.1" active or passive
  53. Need Advice for Bi-amping
  54. Too much DC at buffer's output
  55. passive pre-amp ?
  56. Salvaged Phono Preamp - Begginner Help
  57. Tape head amplification circuit
  58. Laptop to Guitar Amp cable. . . Resistor values?
  59. Hifi from german studio modules - help wanted
  60. Guard rings for op amps
  61. Tone control for Low bass selector and boost circuit
  62. "Lehmann" Buffer Output Transistors.
  63. Minuature Low Pass Filter
  64. Easy High-Pass Filter
  65. Analog signal control
  66. Buffer Stage
  67. Critique my first drawing / possible build [Active DI]
  68. Low pass filter for Bitstream DAC.
  69. Looking for 0-10V Analog Volume Control Circuit
  70. AVC
  71. looking for programmable eq chip / pcba module ??
  72. Another Modified PGA2311 kit with Arduino for volume control and input selection
  73. Kudies to/for the Tortuga Audio LDR3X.V2
  74. Parasound P/HP 850
  75. LECUA 1000 attenuator from Luxman ?
  76. Line Level Output to Guitar Amplifier Input
  77. is there an off the shelf preamp module that works with the apple remote?
  78. How about this sub crossover filter?
  79. help with 2 pole low pass filter/attenuator
  80. Zobel at the srpp input
  81. Preamp noise after PSU update
  82. Low level interconnect (RCA) measurements
  83. what are the blocks generally found in a pre-amp board?
  84. Carver ct-3 preamp
  85. Advice on a preamp/external volume control for use with active monitors
  86. Audiophile quality preamp
  87. Building a Line Level Mixer, Transformer advice needed
  88. Sowter type 3232
  89. Super tone controls-I need PCB
  90. L-pad attenuator on preamp output
  91. DI output protection from phantom power
  92. Getting Started on Preamp Design
  93. Balanced to unbalanced.
  94. Input device protection
  95. WTB LDR volume control PCB ?
  96. Adding Input Gain +/-
  97. Room correction using a modified Linkwitz Transform Circuit
  98. How to change active xover frecuencies
  99. non inverting opamp with gain
  100. Digital volume control for 7.1 preamp
  101. Current options for a budget active LLXO?
  102. low impedance high-pass filter
  103. AKG Perception 100 mic repair
  104. How do I configure a simple logic control
  105. PCB, Tone Control with Transistors and dual supply
  106. very very simple DJ mixer aka summing amp?
  107. Passive low pass filter for subwoofer
  108. Linn Exotik/S non DA version lock up problem
  109. Shine7 12au7 preamp builds?
  110. non-DSP delay - is it possible?
  111. Stevens & Billington TX102 Passive preamp Built
  112. Loading considerations in Filter design
  113. TEAD (Tom Evans Audio Design) Groove RIAA MC Phono Preamp - want simplified Schematic
  114. Diodes instead of input selector (insane newbie question)?
  115. Experience with anti-parallel electrolytic capacitors?
  116. Best wire for passive pre?
  117. Which Op Amp Supply Bypass Technique for Low Noise?
  118. Add MONO/DIM to DAC/Preamp
  119. Crackling from input cable (even when there is no input)
  120. Best sounding signal level relay?
  121. Mic preamp around transformer
  122. Questions on op amp settling time and quiescent current.
  123. question on crossover board layout
  124. Bugle 2 problem
  125. Rca Passive Summing Box
  126. RC Chain in a 3 Band Baxandall EQ Circuit?
  127. Parallel transformer output
  128. Modding Marantz PM-15S1
  129. Sony TA4300F Crossover
  130. Upgrading a commercial phono stage
  131. New Bonsai Preamp
  132. Help with line input switch
  133. Remember the thermal noise....
  134. Help with passive attenuator for headphone amp
  135. Do amp inputs interact with each other?
  136. 6n11 preamp hum
  137. need help with boombox pre-amp/tone control design
  138. Muses01 op amp mod for Rotel RSP-1098(+\-18v)?
  139. low pass filter for DAC output
  140. Driving headphone from speaker output - filtering layout
  141. Highpass mic filter
  142. suitable power supply for dozen opamps?
  143. Little sub preamp/phase circuit
  144. RCA Mixer/Combiner
  145. Offset Problem with Borbely JFET-Buffers
  146. op amp class a bias
  147. Effects of Opamp Loading?
  148. Alps RK27 Motorized Pot - Teardown
  149. TDA7439 tone control IC any good?
  150. 100HZ PLLXO
  151. Bourns PTD90 Series Potentiometer
  152. lowest load for line level equipment to not harm the output stage?
  153. Most important opamp?
  154. 5.1 decode in preamp?
  155. Preamp Recommendation For Millett "Engineer's Amplifier"
  156. Tone feedback loop- can you spot the problem?
  157. DIY turnable amplifier aka RIAA - newbie questions!
  158. Great Deal on RCA Interconnects (Canada)
  159. preamp for hlly tamp-90
  160. AD815ARB-24 availability in any online stores? couldnt find
  161. Super Chip Preamp v1.2 (LT1363)
  162. Opinion on differential low pass filter
  163. Active Low Pass
  164. Differential preamplifier
  165. trouble with varimu compressor design
  166. PGA2311 volume control.
  167. Active Crossover frequency response - help needed HH X300
  168. Suggestion For CFA Op-amp
  169. preamp/mixer combo
  170. 12 channel volume control unit?
  171. Documentation on designing preamps
  172. Clean Line Output? OPA627
  173. Active crossover with AD815?
  174. Carlos AD815 pre voltage supply recommendations
  175. Help with Sowter 1990 SUT wiring
  176. Line level rc lowpass clicking
  177. Attenuator for Passive pre amp, best sounding solution
  178. Source for custom-terminated interconnects ?
  179. Onboard JFET Instrument Low-Z Preamp Help?
  180. Why white noise is always present?
  181. How to implement a pop free/low distortion muting circuit?
  182. Suggestions Requested for Mini Buffer Preamp
  183. Mini-Me second edition tube phono preamp
  184. Balanced fixed H attenuator for line level
  185. impedance symptom
  186. How to link two cores with TRS connector?
  187. Turntable earthing woes
  188. tuac weight and tops preamp
  189. Suggestions for single bipolar input op amp?
  190. Pop/click free HW-based relay attenuator
  191. THAT 1646 PCB - help me review please
  192. new line-preamp
  193. Question on Rod Elliott's P088 op-amp based preamp
  194. Pot hum/external speakers
  195. Will this circuit work?
  196. wiring sub to tube stereo
  197. TI on Filter Noise
  198. Compressor design - Sedra/Smith book
  199. ultra low dist pre Sandman distortion null
  200. Grounding question in phono preamp with battery supply
  201. LME49990 in gain buffer - help please
  202. Khozomo MKII Attenuator review
  203. Which MM Phono Amp ?
  204. Transistors in Buffer Circuit Running Too Hot
  205. Building a complete Preamp with an Arduino, remote, volume and input control
  206. MOSFET's Rds in the signal path, when?
  207. Preferences for setting up an EQ
  208. One more volume control
  209. Shedding 2 awful junctions in the signal path
  210. Line level distribution
  211. INA217 gain calculation
  212. Does this circuit have gain?
  213. An interesting JFET-based active XO circuit from TNT Audio
  214. Peak detector reference voltage level
  215. Goldmund Mimesis 27 Preamp clone
  216. AKAI S3200XL unbal to balanced outputs with VT24499
  217. MooseFET preamplifier?
  218. 6ch(12ch) Volume Control for DSP/DAC/BUFFER/POWERAMP
  219. Parametric EQ after pre-amp
  220. TL072 VS NE5532
  221. Grounding question
  222. Need best tone control
  223. How to switch 2 Sources and 2 Amps
  224. Mic Preamp limitor/Automatic level controller
  225. Douglas Self PreAmp 2012
  226. Is this layout OK? Advice please :)
  227. Microphone Preamp balanced voltage levels
  229. active bass boost
  230. SSM2019 single chip preamplifier?
  231. Rane AC23B active crossover
  232. XD3 crossover?
  233. Muting Circuit
  234. Noticeable difference in low freqs between two channels on a Drawmer DL221 compressor
  235. The precise audio signal level control 5.1
  236. Yamaha a-320
  237. Why not Wye?
  238. Help with high DC at output of Forte clone
  239. Humming DRV134 balanced output.
  240. Problem with parametric equalizer
  241. HLLY AMK-II First (and last) Impressions
  242. Salas hotrodded DCB1 resistor tryouts
  243. NE5532 in quad TSSOP package or similar?
  244. Another low distortion buffer
  245. DBX-122 schematic
  246. Audible Illusions L1 background noise
  247. TDA1524A IC Pre-Amp
  248. Please confirm something basic for me
  249. Parasound P/PH-100 hum
  250. Sonographe SC22 schematics

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