View Full Version : Analog Line Level

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  1. Passive mixing network -- calculating total loss?
  2. DIY 3 way active crossover: as Christmas Holiday Project
  3. Upgrading the SM Pro AUDIO DI 4V
  4. fully balanced line with THAT 1206 plus 1646
  5. GHOST in 3 band graphic equalizer!! SOS!
  6. Weak bass problem...
  7. Please help me to debug the Lighter Note Attenuator
  8. Yet another remote volume control
  9. Questions about AC coupling and opamp biasing
  10. Request for Guides/Explanation Regarding Audio Mixer Circuits
  11. Preamp mod with a low cut shelf filter
  12. Linn Kairn repair
  13. Filter Bass and treble to the input of a microprocessor
  14. unbalanced to balanced 4 ch kit
  15. I need a super bass tone control
  16. Active Crossover for Open Baffle 2-way
  17. Simplist and tiniest PGA2320 kit out there?
  18. Impedance matching and 30dB drop
  19. Are there many people using BNC out there? or RG6 Quad Shield?
  20. output level of dvd playre?
  21. Suggestions for dual PS
  22. Yet Another IR Remote Volume Controller? No, I want one WITHOUT uC
  23. best balanced volume control solution ?
  24. help with muting relay
  25. Need help: Input selector control for 6 channels
  26. Opamp rollers and fiddlers this is for you.
  27. Good quality active preamp
  28. Convert mini Pre-amp from AC to DC power
  29. Volume control, Evil Mad Scientist style
  30. McIntosh C28 With Bad Transformer
  31. analogue active filter: MFB or Sallen Key?
  32. Help with 6-Bit R-2R Relay Attenuator
  33. Current conveyor as a voltage amplifier
  34. DIY monitor controller modules order…
  35. Active crossover component suggestions?
  36. can a preamp be used directly for headphone?
  37. Sharing a Single Inductor for Multiple Passive LR Filters?
  38. Audio Research LS-3 power transformer
  39. Lil Pre Amp
  40. Preamp OP-AMP...help.
  41. looking to try to split 80hz from an active stereo 3 way
  42. PGA2311 LCD Volume Remote Control+GOLD RCA Jeff Rowland
  43. A new fully analog FM modulated wideband optical transport Open Standard.
  44. wiring schematic for DPDT on-on-on toggle selector
  45. Mods for Denon AVR receiver or pre-amp?
  46. Mods for Denon AVR receiver or pre-amp?
  47. A question of volume control
  48. Cable Questions
  49. Interconnect cable Recommendations
  50. Another simple project I can't do. Using DAC from CDP
  51. Can i make a balanced preamp only using OPA2134 ?
  52. When is the Aikido going to be on sale again? is there a group buy I can get in on?
  53. Swapping potentiometer
  54. What should I be searching for
  55. Signal booster for cd player
  56. Preamp output relay - or other device
  57. Matching my silonex LDR
  58. Ballanced Unballanced what does it mean??
  59. LP/HP crossover for 2.1 DIY preamp?
  60. Biamp EQ-210 as a "Studio" EQ?
  61. Current noise between DC coupled op amps?
  62. Soft Clipper Central Station?
  63. Request active sub xo schematic
  64. Multichannel splitter and gain structure control box
  65. compact stackable relay attenuator - something new
  66. DIY Crossover/Filter: Power Handling
  67. Getting to know the DOODs ...
  68. LED battery indicator
  69. LME49713
  70. Tube preamp kit from ebay - worth my time?
  71. small pre-amp control board design help, I will pay :-)
  72. Value of Stepped Attenuator for Passive Amp.
  73. Differential Line Driver - Impedance Questions
  74. opa 2889 buffer circuit
  75. Help needed with diy outpout switcher relay based
  76. How to make a volume control 50cm from pre-amp?
  77. MAT02 transistors on eBay, are they genuine?
  78. Newb interested in DIY preamp
  79. Help hooking up a car VU meter unit to a home AV reciever
  80. Modular Preamplifier with IC Class A (SAM Electronic Circuits)
  81. Discrete opamp vs regular op amps
  82. Bob Cordell's VinylTrak
  83. NE5532 Tone Control
  84. Muting arrangements for ESP kits: P05B and P09B
  85. Schematics for c3m based preamp
  86. TA 377A preamp
  87. preamp and active filter for class AB amp
  88. Getting a PGA2310 to be silent
  89. SPL EQ Magix studio mic preamp
  90. What's wrong with this typicial preamp circuit?
  91. How Many Line-Level Components?
  92. Need to make a simple balance control
  93. DRV134 and protection diodes
  94. Passive line level 3th order RC XO with no insertion losses?
  95. That 1646 balanced line driver PCB
  96. Help with a PLLXO
  97. LME49990 design note
  98. Cg in THAT 1512
  99. Transistor Preamp Design for ADC
  100. P1 preamplifier
  101. MUSES 72320 electronic volume
  102. DIY 1/2-inch Measurement Microphone
  103. Adcom GTP-450 - Right Channel Fades Out
  104. Passive pre for my AudioSector
  105. Capacitive crosstalk between input/output wiring
  106. Cantilevered-Cascode Buffer (CCB) aka LinuxBuffer
  107. Accelerometer to audiointerface
  108. Home Theater bypass for a tube pre amp - Help!!!
  109. Ultrabass, psychoacoutstic low bass for little speakers
  110. Discrete Opamp test circuits
  111. Inverted Polarity of tube Pre-Amps
  112. Looking For Someone To Build A Vandersteen X-2
  113. Configurable active crossover - Newbie jumping in feet first
  114. Mic Preamp Improvements? (Soundcraft 800B)
  115. electret mic preamp gain
  116. Question about active crossover
  117. Rod Elliott ESP opamp pre's question
  118. Design questions for opamp-based preamp
  119. Preamp with remote using radio not ir
  120. Squeaking Noise with 48V in DAV BG1
  121. I need mini Pre-amp board, please help
  123. looking to build a "classic" tube compressor
  124. lm833 single supply
  125. How to protect device from contamination through output
  126. Lundahl LL1545A hookup question...
  127. Inverting rail to rail unity buffer
  128. Subwoofer Controller Kit - Altronics Kit No K5562
  129. Replacement cap for Wima MKP10 0,047UF
  130. Programming of Oxmoor equalizers via PA-422
  131. Help in choosing a potentiometer as a "Passive preamplifier"
  132. Test IC TL074 CN
  133. Relay audio switcher
  134. Analog audio switcher
  135. BSS FDS 340 crossover
  136. Discrete Logic ABX Switch Box
  137. Audio System Controller
  138. the definitive opamp decouplig question
  139. buffer stages performance
  140. Rolling the RANE AC23
  141. Automatic Line level Attenuation Circuit
  142. Check my Opamp Preamp Please
  143. Choosing an active 3-way crossover
  144. Please suggest to me the best affordable LDR preamp kits
  145. Custom Rotary DJ mixer.
  146. Programmer-help for fleabay-remote-kit
  147. Wiring advice for internal pre amp inputs
  148. Discrete Opamp Open Design
  149. microprocessor And control
  150. Latest project.
  151. Remote control won't shut up
  152. Looking to DIY a DI box -10dBv to +4dBu
  153. pre amp suggestions, DIY or Non DIY, Im easy
  154. Musical Fidelity Pre Amp II
  155. Help with DIY passive balanced line level attenuator pads.
  156. RF-blocking???
  157. Jfet Line preamp, to cascode or not.
  158. Mic pre strange high-freq boost (what is broken here?)
  159. New pre amp coming. Change over to 115V help...
  160. XO of Mission 770mk2
  161. Equaliser design for a total n00b
  162. Trying to remote control volume on vintage HK
  163. Passive Pre Chassis and Budget Allocation
  164. Linkwitz Transforms
  165. INA217 is noisy
  166. need sound attenuator
  167. NAIM NAC 42.5 Vintage for my updated NYTECH CPA 602 - 2012
  168. Volume Control Problem
  169. Balanced Signal over 500 Metres!
  170. Single voltage powered Tone Control
  171. PGA2320 and Atmega8 Bascom Source Code Problem
  172. Tone Control Filter
  173. phase linear filters - any good?
  174. Summing (2x) opposite-phase signals with Transformers
  175. A circuit to monitor the analog audio line level
  176. diy Pre-amp question
  177. Critique please: Analogue -> Digital (TOS-LINK)
  178. Circuit Diagram wanted
  179. Xkitz 2-way Active Crossover Kit
  180. Need orientation with tweaking a TASCAM MF-P01
  181. Connecting Multiple op amp inputs from a single op amp output
  182. digital output
  183. Balanced Buffer Needed with a Balanced Volume Control?
  184. $150-200$ Preamp Build?
  185. Balanced tube preamplifier: suggestions?
  186. Adding summed output for sub
  187. Please help me understand this circuit...newbie here
  188. lpf and hpf setting.
  189. After search...need schematic to stereo preamp with only 4 bjt transistors
  190. Help with Zero Field input circuit
  191. The XCEN -- Balanced to Single Ended Converter
  192. Building active cross-overs into multiple power amps?
  193. "Firefly" Unity Gain Buffer
  194. Parasound P/LD 1500 hissing sound in left channel
  195. another studiomaster story
  196. Transformer with 3 secondaries
  197. Need sub woofer controller
  198. Subwoofer controller
  199. APT audio products
  200. how to hook up my preamp for recording??
  201. Class A preamp: please critique my circuit and give me helpful suggestions.
  202. Mixing slope types?
  203. Measuring Line Level Output?
  204. Buss Channel with Noise after wrong soldered bypass Cap.
  205. Volume pot for line level stereo
  206. Studiomaster 16-4
  207. Opinions: Class A Zen Preamplifier eBay Kit
  208. OpAmp based Summing circuit -- Is greater than Unity Gain here a technical problem?
  209. HELP differntial audio
  210. Part needed: Counterpoint SA-1000 tape/source toggle
  211. dc coupled aikido output?
  212. Ipod Stereo to mono summing
  213. DIY preamp component choice
  214. Velleman K8084 Earthing / Grounding
  215. Active Tone Control and preamp. Need help urgent!
  216. Repairing my balanced inputs
  217. Help with preamp build
  218. Tape out of passive preamp into passive preamp/remove resistors?
  219. SE-ONE Spatial Enhancer
  220. Potmeter to balanced amp= Hum; Help!
  221. LEDs as references in current sources
  222. Looking for inkel pp 821 pre amp service manual
  223. Original Mezmerize thread?
  224. Active xover help.
  225. The Effects Of High Resistance Interconnects
  226. dual balanced ne5534 schematic
  227. JA Pre and MyRef - FE Integration
  228. RFI filter and DC blocking cap
  229. Dyanmic mic to electret type input
  230. Help with audio test equipment design
  231. Simple precision constant current LDR controller
  232. How to control 10 pots in active cross?
  233. HF to LF shelving filter
  234. Lawo W990VS/9 - Connection Question
  235. GlassWare Audio
  236. Source select and passive volume for microcontroller-based preamp?
  237. Microcontroller stepped LDR
  238. Newbie question - PCB mounting
  239. PGA2310 based preamp+ remote
  240. Summing Amp Transformers
  241. Krell KSL AC Conversion 110 -> 240
  242. Insert-send to balanced converter
  243. That 1512 fixed gain follow by a second stage
  244. "Tape Out" on DIY Passive Pre
  245. Help to make a pcb for portable stereo preamp ?
  246. Modifying Maplin preamp kit
  247. Help choosing opamp for this circuit
  248. Help! Microphone impedance matching?
  249. adding opamp filter stage
  250. parametric filter to shelving

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