View Full Version : Analog Line Level

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  1. Preamp-Buffers - simple idea
  2. OPA1612 compared to OPA2228(and a lil question about caps)
  3. How to wire up Audio Matching Transformer?
  4. VU meter arduino project help
  5. 8ch ADC
  6. Passive mixing network -- calculating total loss?
  7. DIY 3 way active crossover: as Christmas Holiday Project
  8. Upgrading the SM Pro AUDIO DI 4V
  9. fully balanced line with THAT 1206 plus 1646
  10. GHOST in 3 band graphic equalizer!! SOS!
  11. Weak bass problem...
  12. Please help me to debug the Lighter Note Attenuator
  13. Yet another remote volume control
  14. Questions about AC coupling and opamp biasing
  15. Request for Guides/Explanation Regarding Audio Mixer Circuits
  16. Preamp mod with a low cut shelf filter
  17. Linn Kairn repair
  18. Filter Bass and treble to the input of a microprocessor
  19. unbalanced to balanced 4 ch kit
  20. I need a super bass tone control
  21. Active Crossover for Open Baffle 2-way
  22. Simplist and tiniest PGA2320 kit out there?
  23. Impedance matching and 30dB drop
  24. Are there many people using BNC out there? or RG6 Quad Shield?
  25. output level of dvd playre?
  26. Suggestions for dual PS
  27. Yet Another IR Remote Volume Controller? No, I want one WITHOUT uC
  28. best balanced volume control solution ?
  29. help with muting relay
  30. Need help: Input selector control for 6 channels
  31. Opamp rollers and fiddlers this is for you.
  32. Good quality active preamp
  33. Convert mini Pre-amp from AC to DC power
  34. Volume control, Evil Mad Scientist style
  35. McIntosh C28 With Bad Transformer
  36. analogue active filter: MFB or Sallen Key?
  37. Help with 6-Bit R-2R Relay Attenuator
  38. Current conveyor as a voltage amplifier
  39. DIY monitor controller modules order…
  40. Active crossover component suggestions?
  41. can a preamp be used directly for headphone?
  42. Sharing a Single Inductor for Multiple Passive LR Filters?
  43. Audio Research LS-3 power transformer
  44. Lil Pre Amp
  45. Preamp OP-AMP...help.
  46. looking to try to split 80hz from an active stereo 3 way
  47. PGA2311 LCD Volume Remote Control+GOLD RCA Jeff Rowland
  48. A new fully analog FM modulated wideband optical transport Open Standard.
  49. wiring schematic for DPDT on-on-on toggle selector
  50. Mods for Denon AVR receiver or pre-amp?
  51. Mods for Denon AVR receiver or pre-amp?
  52. A question of volume control
  53. Cable Questions
  54. Interconnect cable Recommendations
  55. Another simple project I can't do. Using DAC from CDP
  56. Can i make a balanced preamp only using OPA2134 ?
  57. When is the Aikido going to be on sale again? is there a group buy I can get in on?
  58. Swapping potentiometer
  59. What should I be searching for
  60. Signal booster for cd player
  61. Preamp output relay - or other device
  62. Matching my silonex LDR
  63. Ballanced Unballanced what does it mean??
  64. LP/HP crossover for 2.1 DIY preamp?
  65. Biamp EQ-210 as a "Studio" EQ?
  66. Current noise between DC coupled op amps?
  67. Soft Clipper Central Station?
  68. Request active sub xo schematic
  69. Multichannel splitter and gain structure control box
  70. compact stackable relay attenuator - something new
  71. DIY Crossover/Filter: Power Handling
  72. Getting to know the DOODs ...
  73. LED battery indicator
  74. LME49713
  75. Tube preamp kit from ebay - worth my time?
  76. small pre-amp control board design help, I will pay :-)
  77. Value of Stepped Attenuator for Passive Amp.
  78. Differential Line Driver - Impedance Questions
  79. opa 2889 buffer circuit
  80. Help needed with diy outpout switcher relay based
  81. How to make a volume control 50cm from pre-amp?
  82. MAT02 transistors on eBay, are they genuine?
  83. Newb interested in DIY preamp
  84. Help hooking up a car VU meter unit to a home AV reciever
  85. Modular Preamplifier with IC Class A (SAM Electronic Circuits)
  86. Discrete opamp vs regular op amps
  87. Bob Cordell's VinylTrak
  88. NE5532 Tone Control
  89. Muting arrangements for ESP kits: P05B and P09B
  90. Schematics for c3m based preamp
  91. TA 377A preamp
  92. preamp and active filter for class AB amp
  93. Getting a PGA2310 to be silent
  94. SPL EQ Magix studio mic preamp
  95. What's wrong with this typicial preamp circuit?
  96. How Many Line-Level Components?
  97. Need to make a simple balance control
  98. DRV134 and protection diodes
  99. Passive line level 3th order RC XO with no insertion losses?
  100. That 1646 balanced line driver PCB
  101. Help with a PLLXO
  102. LME49990 design note
  103. Cg in THAT 1512
  104. Transistor Preamp Design for ADC
  105. P1 preamplifier
  106. MUSES 72320 electronic volume
  107. DIY 1/2-inch Measurement Microphone
  108. Adcom GTP-450 - Right Channel Fades Out
  109. Passive pre for my AudioSector
  110. Capacitive crosstalk between input/output wiring
  111. Cantilevered-Cascode Buffer (CCB) aka LinuxBuffer
  112. Accelerometer to audiointerface
  113. Home Theater bypass for a tube pre amp - Help!!!
  114. Ultrabass, psychoacoutstic low bass for little speakers
  115. Discrete Opamp test circuits
  116. Inverted Polarity of tube Pre-Amps
  117. Looking For Someone To Build A Vandersteen X-2
  118. Configurable active crossover - Newbie jumping in feet first
  119. Mic Preamp Improvements? (Soundcraft 800B)
  120. electret mic preamp gain
  121. Question about active crossover
  122. Rod Elliott ESP opamp pre's question
  123. Design questions for opamp-based preamp
  124. Preamp with remote using radio not ir
  125. Squeaking Noise with 48V in DAV BG1
  126. I need mini Pre-amp board, please help
  128. looking to build a "classic" tube compressor
  129. lm833 single supply
  130. How to protect device from contamination through output
  131. Lundahl LL1545A hookup question...
  132. Inverting rail to rail unity buffer
  133. Subwoofer Controller Kit - Altronics Kit No K5562
  134. Replacement cap for Wima MKP10 0,047UF
  135. Programming of Oxmoor equalizers via PA-422
  136. Help in choosing a potentiometer as a "Passive preamplifier"
  137. Test IC TL074 CN
  138. Relay audio switcher
  139. Analog audio switcher
  140. BSS FDS 340 crossover
  141. Discrete Logic ABX Switch Box
  142. Audio System Controller
  143. the definitive opamp decouplig question
  144. buffer stages performance
  145. Rolling the RANE AC23
  146. Automatic Line level Attenuation Circuit
  147. Check my Opamp Preamp Please
  148. Choosing an active 3-way crossover
  149. Please suggest to me the best affordable LDR preamp kits
  150. Custom Rotary DJ mixer.
  151. Programmer-help for fleabay-remote-kit
  152. Wiring advice for internal pre amp inputs
  153. Discrete Opamp Open Design
  154. microprocessor And control
  155. Latest project.
  156. Remote control won't shut up
  157. Looking to DIY a DI box -10dBv to +4dBu
  158. pre amp suggestions, DIY or Non DIY, Im easy
  159. Musical Fidelity Pre Amp II
  160. Help with DIY passive balanced line level attenuator pads.
  161. RF-blocking???
  162. Jfet Line preamp, to cascode or not.
  163. Mic pre strange high-freq boost (what is broken here?)
  164. New pre amp coming. Change over to 115V help...
  165. XO of Mission 770mk2
  166. Equaliser design for a total n00b
  167. Trying to remote control volume on vintage HK
  168. Passive Pre Chassis and Budget Allocation
  169. Linkwitz Transforms
  170. INA217 is noisy
  171. need sound attenuator
  172. NAIM NAC 42.5 Vintage for my updated NYTECH CPA 602 - 2012
  173. Volume Control Problem
  174. Balanced Signal over 500 Metres!
  175. Single voltage powered Tone Control
  176. PGA2320 and Atmega8 Bascom Source Code Problem
  177. Tone Control Filter
  178. phase linear filters - any good?
  179. Summing (2x) opposite-phase signals with Transformers
  180. A circuit to monitor the analog audio line level
  181. diy Pre-amp question
  182. Critique please: Analogue -> Digital (TOS-LINK)
  183. Circuit Diagram wanted
  184. Xkitz 2-way Active Crossover Kit
  185. Need orientation with tweaking a TASCAM MF-P01
  186. Connecting Multiple op amp inputs from a single op amp output
  187. digital output
  188. Balanced Buffer Needed with a Balanced Volume Control?
  189. $150-200$ Preamp Build?
  190. Balanced tube preamplifier: suggestions?
  191. Adding summed output for sub
  192. Please help me understand this circuit...newbie here
  193. lpf and hpf setting.
  194. After search...need schematic to stereo preamp with only 4 bjt transistors
  195. Help with Zero Field input circuit
  196. The XCEN -- Balanced to Single Ended Converter
  197. Building active cross-overs into multiple power amps?
  198. "Firefly" Unity Gain Buffer
  199. Parasound P/LD 1500 hissing sound in left channel
  200. another studiomaster story
  201. Transformer with 3 secondaries
  202. Need sub woofer controller
  203. Subwoofer controller
  204. APT audio products
  205. how to hook up my preamp for recording??
  206. Class A preamp: please critique my circuit and give me helpful suggestions.
  207. Mixing slope types?
  208. Measuring Line Level Output?
  209. Buss Channel with Noise after wrong soldered bypass Cap.
  210. Volume pot for line level stereo
  211. Studiomaster 16-4
  212. Opinions: Class A Zen Preamplifier eBay Kit
  213. OpAmp based Summing circuit -- Is greater than Unity Gain here a technical problem?
  214. HELP differntial audio
  215. Part needed: Counterpoint SA-1000 tape/source toggle
  216. dc coupled aikido output?
  217. Ipod Stereo to mono summing
  218. DIY preamp component choice
  219. Velleman K8084 Earthing / Grounding
  220. Active Tone Control and preamp. Need help urgent!
  221. Repairing my balanced inputs
  222. Help with preamp build
  223. Tape out of passive preamp into passive preamp/remove resistors?
  224. SE-ONE Spatial Enhancer
  225. Potmeter to balanced amp= Hum; Help!
  226. LEDs as references in current sources
  227. Looking for inkel pp 821 pre amp service manual
  228. Original Mezmerize thread?
  229. Active xover help.
  230. The Effects Of High Resistance Interconnects
  231. dual balanced ne5534 schematic
  232. JA Pre and MyRef - FE Integration
  233. RFI filter and DC blocking cap
  234. Dyanmic mic to electret type input
  235. Help with audio test equipment design
  236. Simple precision constant current LDR controller
  237. How to control 10 pots in active cross?
  238. HF to LF shelving filter
  239. Lawo W990VS/9 - Connection Question
  240. GlassWare Audio
  241. Source select and passive volume for microcontroller-based preamp?
  242. Microcontroller stepped LDR
  243. Newbie question - PCB mounting
  244. PGA2310 based preamp+ remote
  245. Summing Amp Transformers
  246. Krell KSL AC Conversion 110 -> 240
  247. Insert-send to balanced converter
  248. That 1512 fixed gain follow by a second stage
  249. "Tape Out" on DIY Passive Pre
  250. Help to make a pcb for portable stereo preamp ?

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