View Full Version : Analog Line Level

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  1. Z-2300 Generic Logitech Control Pod Newbie Help
  2. Active or passive subwoofers filter for vintage JBL?
  3. Preamp 240v out socket
  4. Help with converting unbalanced to balanced using transformers (1:1)
  5. Not the BPBP Phonoclone - fully balanced MC RIAA
  6. Stereo to mono with switch: Do my circuits work?
  7. Wall mount line level volume control
  8. mono summing into monitor line in
  9. isotope Preamp
  10. Digital switcher for analog audio signal (e. g. electronic input selector for an amp)
  11. RIAA Phono filter.
  12. PLLXO WiringQuestion
  13. Lundahl Transformers for balancing output
  14. Impedance matching question.
  15. SSM2019 Mic Pre Lows Rolloff at 120 Hz - Why?
  16. Subwoofer filter help?
  17. Hafler DH101 film caps
  18. Preamp with NE5532
  19. Question about using a JT11P1 to convert unbalanced to balanced.
  20. virtual earth mixer NE5534 problem
  21. NAD S100 output impedance
  22. Fully-Featured Fono Faceplate ( Phono Preamp )
  23. Correcting offset through DC servo
  24. Bluetooth noise through input
  25. miniAVC - miniaturized Analog Volume Control
  26. PGA2311 and CS3310 Performance vs Input Impedance
  27. confusing symbol in fader send diagram
  28. Best Selector Switch? ..Advice plz!
  29. *HELP* NE5532P Tone Control Circuit
  30. Running 3+ way speaker setup with only two AMPs & a multi-channel computer sound card
  31. INA217 $5 preamp questions
  32. Single Rail Active Xover
  33. Help connecting microphone to preamplifier to speaker
  34. dbx 286s with hum/hiss when turning on phantom power
  35. Line level power-GND and signal-GND?
  36. Need PreAmp to match new amp
  37. Coupling Caps at Phono Input
  38. Behringer Pot Replacement
  39. Which lm3916 circuit to build?
  40. ESI gigaport soundcard output buffer question
  41. Help with DIY pre amp recommendations
  42. Modification/upgrade posibilities RCA input board tube line stage
  43. Audiolab pre amp advice needed. Any good?
  44. Volume Potentiometer Sizing and setup
  45. Balanced Cable Capacitance -- Conductor to Conductor or shield to conductor?
  46. Crossover hints
  47. H1ot signal into mic input?
  48. DIY interconnect with LP filter built-in?
  49. Can someone help to explain this op amp balanced output?
  50. Any Interest in BJT and FET DOAs (Discrete Op Amps) in 2520 format?
  51. Euridice line preamp
  52. Simulation programs
  53. Simplest 1st order high pass and low pass filter
  54. Help with designing an active, balanced input mixer with crossfader
  55. Volume control signal level
  56. Where to adjust regulator voltage?
  57. DC blocking cap
  58. Channel unbalance in active crossover
  59. line level attenuator calculation
  60. Simplest Passive Preamp design
  61. Changing a pot's value with parallel resistors
  62. Preamplifier for Rotel RHB 10
  63. High DC offset on preamp
  64. passive line level high pass crossover
  65. High pass filter for line level info needed
  66. Problem with Opera CY222 line preamp
  67. broskie triangle buffer not working
  68. BGW model 203
  69. Phone Mic Input Bias voltage effect
  70. Apex P30+ A class PSU...questions?
  71. Circuit for subwoofer crossover 25Hz to 250Hz
  72. Cascode buffer
  73. Can Someone please verify this circuit ?
  74. Signal/power path questions
  75. Linkwitz Transform... lowpass?
  76. how to design very stable, DC accurate LP filter with lots of gain?
  77. Relays in the volume control, reed or not reed (and other things)
  78. Technical Question 420ohm output preamp to 600ohm tube amp
  79. Building a Douglas Self design preamp
  80. Crossovers for beginners
  81. Pre-amplifier for electret mic and Line-in audio sources
  82. Current feedback amplifier circuit (preamp/headphone amp)
  83. tda7439 filter design
  84. Bridging Amps using a balanced line driver
  85. OPA2134 current consumption: more advice needed
  86. Can someone help a rookie with a DIY monitor controller?
  87. alps pot for passive volume control
  88. Yamaha c2 pre transformer question
  89. Opamp buffer @ active crossover input?
  90. opamp inversion?
  91. D-12 Hybrid LV Preamp!
  92. simplest discrete really-unity gain buffer
  93. MM28 phono preamplifier
  94. 600ohm passive xover for multiamp
  95. H-bridge killing transistors
  96. DAC balanced & Unbalanced output to bridged amp input
  97. Subsonic Filter Troubleshooting
  98. Which Graphic Equalizer Circuit Topology provides best Sonic Quality ? "Constant-Q" ?
  99. Recommend me a good quad soic opamp ?
  100. The boring but essential line stage
  101. Tresham DR3 pre amp Servicing
  102. Adding Remote Volume Control
  103. Line Level Crossover needed: to DIY or not
  104. +/- DC instead of +/- AC?
  105. CFP Unity Gain Buffer
  106. Preamp recommendation for Millett DCPP amp
  107. A/D Converter Driver - Active bandpass filter
  108. How to connect 3 mixers to 1 DSP
  109. Help with Millennia PRE AMP
  110. Balanced to unbalanced wiring help
  111. Forte 2 preamplifier power supply
  112. Promitheus TVC rebuilding
  113. Tone control schematic
  114. Active (Baxandall) Volume Control for Single Supply
  115. Pin Confirmation
  116. Cut out in one channel on Yamaha preamps CX-800
  117. PS 4.5 schematic
  118. An unusual preamplifier with multiple outputs
  119. Split signal
  120. Decoupling a quad opamp
  121. Help calculating low pass filter frequency
  122. Hybrid transformer-pot volume control
  123. B1 Buffer with a bad channel - need help!
  124. My new preamp design: Arduino, 6 input selector, MDAC attenuator, IR etc
  125. pre-amp problem!
  126. Active subwoofer filter
  127. Crazy distortion problem with transformer and active filter (opamp / Sallen Key)
  128. Passive pre-amp
  129. Universal Integrated Preamplifier
  130. Does Muses 72320 have OPAMP inside chip or not?
  131. Cheap/simple relay/resistors attenuator for RPI
  132. Hybrid Borbely Follower/Buffer - Please Critique
  133. Line stage chassis layout
  134. Sanity check: input grounding scheme
  135. Graphic Equaliser SUPER QUIET
  136. Passive crossover design
  137. Suggestions for remote volume control
  138. Yamaha C65 - Repair: Burnt Board
  139. Audio/MIC 3.5mm to 3.5mm TRRS (mic wiring?)
  140. solid state buffer
  141. Best DIY tube preamp question
  142. Advice On Gain/Loading Switch Implementation Phono
  143. LPF on signal path
  144. Two chases preamp configuration question
  145. Muses 72320 dual mono unbalanced configuration question
  146. OPA2134 preamp
  147. Passive Sum two signals - Resistor Value Help
  148. Subwoofer phase shift
  149. PrimaLuna; Phonologue board subst.
  150. What is equalizer in practice ?
  151. X-over help - Will this setup work?
  152. Preamp board suggestions for Hypex UCD3XMP module
  153. Jfet buffers online.
  154. Musical Fidelity "The Preamp" - any good ?
  155. 1 PRE-OUT splitter to 2 AMPS
  156. Joining RCA inputs or splitters and quality
  157. Possible tube (almost) phono preamp design
  158. Chromecast Audio + Airplay as analog source: Can I use a Y-splitter?
  159. Preamp + headphone amp total gain
  160. Help with mixer using MCP6271 op amp
  161. Opinions on this passive pre schematic
  162. How to Wire Selector Switch & Vol Control
  163. Volume control: altering gain instead of attenuator? Good or bad?
  164. My first OPamp preamp PCB - few questions.
  165. Buffer the buffered filter?
  166. Op-Amp Circuit Components: Any Ideas About This Circuit Section's Function?
  167. preamp question/buffer scematic with muses 72320
  168. Horrible Freq Resp from my MX110
  169. Input/pass-through switch
  170. Salas DCG3 preamp (line & headphone)
  171. Phase Linear 2000 Pre-amp overhaul
  172. Rotel RTC 850 Problem
  173. Cabre AS45 active crossover
  174. Preamp causing distortion
  175. discrete preamp/gain module recommendation
  176. 1 transistor 3 band tone circuit, will it work?
  177. BPBP starter help
  178. Hi Freq rolloff with ne5532 based unbalancer
  179. Crossover Rebuild Advise
  180. Perreaux SM-2 need help with output transistors
  181. Crossover conversion
  182. Need finding simple high impedance pre-amp to boost signal to Schmitt Trigger circuit
  183. remote volume control
  184. 2SK932 Buffer
  185. Please help with cap orientation.
  186. Single Supply 2-way active XO
  187. Neve 2254/E troubleshooting
  188. Need help with wiring a stepped atteunator
  189. What is the preferred MF X-10D clone?
  190. G.A.S Goliath
  191. Popping noises in Thiel CS3.5 Bass EQ??
  192. The distortion this preamp, is it fake?
  193. Volume Control use Dual 8-BIT/12-BIT DAC - I don't understand how it works
  194. DBX Driverack 4820
  195. Simple & portable mixer with 6 analog inputs
  196. Averaging PGA2320 outputs in mono configuration
  197. volume and tone control at same time
  198. AC coupling and hum question
  199. Butterworth series to Linkwitz-Riley Calculation
  200. CS4398 - Output Stage
  201. Any Discrete CFA Opamp?
  202. Pre-amplifier circuit not working despite attempts to fix it
  203. Opamp survey
  204. Article - 2 New and Improved AVC Topologies + Full Pre-Amplifier
  205. Passive vs Direct
  206. Active Crossover... help me wrap my head around this.
  207. Help with VU meter amplification made of an Ampere Meter
  208. Multi-purpose dual op-amp PCB design
  209. Relay volume control and input kit?
  210. Need advise about active crossover routing
  211. Pot Noise
  212. balanced vs. unbalanced
  213. Defective PGA2311 preamp display screen
  214. which preamp kit ?
  215. Volume control - Pass Camp Amp
  216. Preamp between Boozhound phono and ACA amps
  217. A hum problem
  218. Advice on preamp+tone kit or IC for use with ClassD board?
  219. Advice PreAmp <$400
  220. OPA627 Preamp Dynamic Crosstalk Issue
  221. Audio Limiter with JFET Class-A
  222. Preamp problem
  223. Cheap IC-based remote volume control kit
  224. Notch filter in balanced configuration between Amp and Pre Amp
  225. Maya R2R connection advice
  226. Following a Technics SU-9070
  227. Willow II
  228. The THD+N of passive preamps
  229. Investment volume potentiometer
  230. Active filter for fullrange: where do you need op amp buffers?
  231. Advice on Attenuators
  232. effects loop insert for mixer
  233. Battery powered active x-o. To decouple or not to decouple?
  234. Pre-amp amplifier driving capacity
  235. DIY DJ Mixer
  236. 70s Pioneer SR202 spring reverb - power issues
  237. Verify my high pass filter wiring for me?
  238. DIYINHK AD1862 I/U stage suggestions.
  239. Simple remote volume control (controlled through arduino)
  240. Does this passive preamp exist?
  241. Peak to peak
  242. Recommandations for electrolytic capacitors / preamp recap
  243. Will a capacitor high pass filter interfere with BSC circuit?
  244. Anyone know anything about Analog Devices B100?
  245. Capacitors wired in Series vs. Parallel - Please verify my understanding
  246. Signal to chassis ground query
  247. Mark Kelly DC motor controller advice required please
  248. Transformers to buffer PLLXO??
  249. triangle buffer for unbalancing?
  250. where are decoupling capacitors required

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