PDA

View Full Version : Analog Line Level

Pages : 1 2 3 4 [5] 6 7 8
  1. microphone echo & delay fx circuit
  2. 3 band eq using jfet transistors
  3. compenstation cap for 2nd order allpass delay circuit
  4. Recommend a DIY pre-amp for use with Hypex UCD modules
  5. Just passing my PLXXO and trafo design by the experts :)
  6. Line stage cap recommendations
  7. AGC automatic gain controler
  8. High quality capacitors for crossovers?
  9. Organizing Components for Low Noise?
  10. fender tmb circuit
  11. 3 band eq
  12. Is This Preamp Okay?
  13. Need a preamp for my sub
  14. Cello Audio Palette
  15. Questions on xover and preamps.
  16. INA134, balanced an unbalanced, normal phase and inverted phase
  17. Help! needed a mic preamp for amplifier
  18. Passive Preamp - Grounding plan
  19. +/- 0.3V bumps on my ground
  20. Yet another preamp...
  21. Active Filter, Delay, and LT circuit board
  22. does anyone have a schematic and pcb layout for 3 band bass onboard eq?
  23. Carver C-1 Preamp Output Voltage Issue
  24. Adding bands to an equalizer circuit?
  25. transformer attenuator directly from v-out dac
  26. Looking for a better OP-Amp to replace a UTC TDA2822L
  27. Hafler DH-101 Pre-Amp
  28. Moog parametric EQ - proper pots?
  29. pga2310 output resistors
  30. HELP with Kaneda line stage PSU
  31. source/ speaker selector
  32. Stepped attenuator - getting the impedance right
  33. Volume control bent(slight) parasound PHP-850
  34. connect IR receiver
  35. High cap ceramic capacitors.... how they "sound"
  36. LED peak level indicator
  37. Balanced Matrix Mixer Question!
  38. Where shall I place the potentiometer?
  39. Preamp to go with an Arcam Delta290 power - do i need active, or will passive be ok?
  40. Is This Possible? Am I Crazy?
  41. Sony TA-E88b ?????
  42. coda pre-01 help fix?
  43. Need a 1 meg input pre stage-?!
  44. Balanced Line driver help.. noisy
  45. 6-band graphic eq project component substitutions / improvements
  46. 1176 compressor output transformer alternative
  47. Help-AC input connected directly to case!
  48. different gain levels and a PLLXO´s impedance
  49. Thorens restec V1 preamplifier
  50. Signal-Powered Compressor?
  51. simplest, purest mixer
  52. Ideas to improve this microphone preamp?
  53. Preamplifier from Lineup & Fotios for fun
  54. MM cartridge capacitance loading
  55. Volume Equilizer
  56. Wanted: Melos 110B schematics
  57. Can 555 circuit supply enough neg voltage
  58. amplifier works connected to PC .. but not when connected to car radio
  59. DIY a preamp
  60. Dynaco PAS Preamp - Complete Rebuild
  61. Subwoofer filter problem - Please help me
  62. Remote control receiver - help
  63. High end preamp kit
  64. Output tranny for 6080 tube
  65. Need to convert a Linar preamp from 220V to 120V
  66. help with interfacing microcontroller to pga volume chip
  67. Carbon pot vs digital pot
  68. Amplitude Errors in the Summed Response of Audio Crossover Filters
  69. Mixer/Amplifier
  70. Help upgrading opamps!
  71. EAD theatermaster 8800 problem
  72. Arduino controled PGA2310 Preamp
  73. Lightspeed clone, BOM
  74. Passive Line Splitter
  75. Resistor wattage for stepped attenuator
  76. Emitter bypass caps in a CE stage
  77. Wanted: Zero feedback 2-10x gain line stage...prefer symmetrical
  78. Cheap Valve Kits (such as this one)... Are they worth the effort?
  79. Need help with Adcom gcd-575
  80. Subwoofer channel mix + crossover
  81. Digital volume control from audiomodule
  82. audio mono preamplifier schematic needed
  83. 8 channel touch sense/remote volume controll
  84. Help with Hum - Hum Help - Aikido
  85. Denon 3808 Schematic
  86. 24 input/24 output mixer
  87. new idea (for me): dual first order building block PCB
  88. Op amps help! 3x3 12v matrix mixer
  89. Project: Stepped attenuator. 35 steps!
  90. Fixing a Kenwood 700c preamplifier - help please!
  91. Looking for help to put together Oracle tt and Graham arm
  92. Vintage Audire Diffet 2 preamp help
  93. This guy has a circuit tattoed on his arm
  94. DC servo and gain stage board with output zobel
  95. class A Line level buffer
  96. Blue tooth headset used for wireless
  97. Looking for: wireless remote control of volume/balanceH
  98. Very noisy pre-amp outputs.
  99. I need a line level splitter and don't want to spend $50+ on a transformer
  100. reusing a 3-way crossover
  101. Is this Design practicable?
  102. Mis-behaving crossover/preamp
  103. Low distortion & noise digitally controlled volume chip
  104. Passive (active) preamplifier with selector (motorized ALPS, IR)
  105. How to add an extra set of RCA outputs
  106. line level unbalanced to balanced converter
  107. Balanced output confusion
  108. Why do i need a preamp?
  109. Shelving 2nd order high-pass?
  110. Listening for the best attenuator load for direct out AKM and CS dac chips
  111. Sylonex and Arduino preamp
  112. ACTIVE loudness control
  113. CJ PV-15 Pre
  114. Schematic wanted/LINN KAIRN PRO
  115. Have I ruined my V&L systems EC3 -vintage- active crossover??
  116. Mic Preamp + Sunt Regulator a la E. Borbely
  117. +-70v and opamps
  118. NE5532 preamp works only in mono
  119. Velleman K8084 pre-amp kit question
  120. Quick mixer question
  121. Heybrook C3 & P3, power conversion, help/info.
  122. Problem - Line level splitter
  123. Schematic wanted
  124. JFET/MOSFET complementary-differential preamplifier
  125. Active Croosover PAss labs
  126. Class A op amp circuits with balanced i/o
  127. Offset Nulling for BUF03 Buffer
  128. Nakamichi CA-5 Stereo Pre and major hum
  129. Lcd bargraph
  130. help! Exploding diy remote control volume board!
  131. tilt eq schematic check
  132. AMB LABS A20 Discrete
  133. 10band equalizer
  134. Input selector, automatic
  135. Help making a circuit
  136. Looking for Krell KRC-3 preamp schematics
  137. Long cable query
  138. Newbie. What AM I trying to find/build?
  139. http://www.diyaudio.com/forums/analog-line-level/181105-mezmerize-build.html#post2432
  140. preamp - at the most basic level
  141. LED VU meter using existing bar graph
  142. MOX Active Crossover II Gain Adjustment
  143. Help with a JC2
  144. Hong Kong Fakes
  145. Does the cable impedance matter when making audio level measurements?
  146. rolling of bass before amp
  147. Cheap volume control chip
  148. HQ Preamp - Elector scheme or other suggestion
  149. Three Pair Cable
  150. tube preamp mod for bass bypass to ss power IN?
  151. Adcom GFP-715
  152. DIY line-level interconnects
  153. Measuring impedance of Pot/attenuator
  154. Question about shielded wire...
  155. Subwoofer filter
  156. Mono to Dual Channel convert
  157. Input selector (like Quad)
  158. Germanium transistors for a preamplifier
  159. the hat-trick volume control ;)
  160. Balanced LDR preamp
  161. Multichannel volume control
  162. The design of active crossovers- Douglas Self wants your opinions
  163. newb looking for preamp design and a few questions answered
  164. Voltage Controlled Switch
  165. osufishman stereo line level to mono
  166. Poor TV audio S/N
  167. Need help with mic preamp
  168. Ideas for a simple passive band-stop filter?
  169. Wiring a 10k fader pot?
  170. variable frequency tilt/shelf filter - bad idea?
  171. 47 Laboratory started selling kits
  172. Douglas Self's Active Crossovers book
  173. New Line Pre-Amp taking Shape
  174. Managing multiple inputs & master level...
  175. AR-XA woes...
  176. Help!! LM317T Filament Heater Problem
  177. Fully Balanced Input/Output
  178. mccormack micro phono drive
  179. Differential buffer without feedback?
  180. Does the intrinsic low-end roll-off of a mid driver change the phase error?
  181. Accuphase C-200 Stereo Control Preamp...
  182. DIY 4 Channel Stereo Mixer
  183. preamp
  184. no output on skytec pro 240 amp
  185. pro-ject phonobox se opamp substitution
  186. Trying to find a spectrum analyser...
  187. Transfer LP TO CD
  188. Bi-amp crossover design
  189. active crossover board capabilities - I want your input
  190. DIY BJT buffer design
  191. Another easy to answer question that is above me. XLR vs Ground loop
  192. Crossovers question - car audio
  193. Using a Precision Current Source to drive an LDR attenuator
  194. Crossfeed problem (Jan Meier's design)
  195. Help me understand the "pre" stage levels.
  196. Instrumentation op-amps for audio
  197. Audio Buffer 8 years after
  198. Subwoofer filter with sensing LFE switch
  199. JFET based audio source selector
  200. 5-BAND EQ: Constant Q or conventional topology?
  201. Discrete line amplifier question
  202. How to calculate capacitor values for fully parametric EQ?
  203. DIY stepped attenuator using C7D0423N rotary switch.
  204. Inverting op amp out of phase?
  205. diy dj mixer
  206. Comparison of Light Dependent Resistors
  207. Cab/Mic simulator
  208. Jolida JD9 Upgrade/Mods Clarification.
  209. Rejuvenating an old DM-602.
  210. Eliminating series resistor at line output?
  211. Low-distortion Class-A line/headphone buffer
  212. Open to suggestions!
  213. Stereo bandpass filter
  214. SSM2019 with unbalanced input
  215. Studer A-779 caps?
  216. LM4562 Spice model
  217. Adding balancing transformer to preamp, signal loss
  218. Balance pot not working the way it should
  219. Potentiometer Resistance ???
  220. A better formula for Silonex LDR's
  221. Pre-amp output level question
  222. DC blocking caps ?
  223. Anyone have a good design for a 3-band isolator or EQ?
  224. question about this schematic ?
  225. Yamaha R-5 Receiver
  226. How to mix few balanced output?
  227. Can I Add a Balance Pot?
  228. How to apply right way the pot for balanced output?
  229. Preamp booster ?
  230. polarity with a balanced pllxo filter
  231. Microphone level balanced XLR mixer outputs?
  232. Preamp problem
  233. stereo 6G15 fender reverb with balanced in and out?
  234. behringer cx2310
  235. Need circuit, 6,12,18,24db attenuator
  236. Tube line level?
  237. Calculating gain of loudness control
  238. compressor diy
  239. Resistors valus for shunt stepped attenuator?
  240. QUAD 44 Pooge
  241. ARC LS25 mkII noise level
  242. EML 20A or 30A transformer coupled preamp
  243. X-Altra Mini One
  244. Passive mixer for two CD changers
  245. ARC LS25 mkII tube change
  246. Overvoltage protection
  247. condenser microphone question
  248. Simple preamp with baxandall
  249. Schematic/Service Manual DOD SR-835
  250. How to buffer a sallen-key circuit