View Full Version : Analog Line Level

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  1. Sharing a Single Inductor for Multiple Passive LR Filters?
  2. Audio Research LS-3 power transformer
  3. Lil Pre Amp
  4. Preamp OP-AMP...help.
  5. looking to try to split 80hz from an active stereo 3 way
  6. PGA2311 LCD Volume Remote Control+GOLD RCA Jeff Rowland
  7. A new fully analog FM modulated wideband optical transport Open Standard.
  8. wiring schematic for DPDT on-on-on toggle selector
  9. Mods for Denon AVR receiver or pre-amp?
  10. Mods for Denon AVR receiver or pre-amp?
  11. A question of volume control
  12. Cable Questions
  13. Interconnect cable Recommendations
  14. Another simple project I can't do. Using DAC from CDP
  15. Can i make a balanced preamp only using OPA2134 ?
  16. When is the Aikido going to be on sale again? is there a group buy I can get in on?
  17. Swapping potentiometer
  18. What should I be searching for
  19. Signal booster for cd player
  20. Preamp output relay - or other device
  21. Matching my silonex LDR
  22. Ballanced Unballanced what does it mean??
  23. LP/HP crossover for 2.1 DIY preamp?
  24. Biamp EQ-210 as a "Studio" EQ?
  25. Current noise between DC coupled op amps?
  26. Soft Clipper Central Station?
  27. Request active sub xo schematic
  28. Multichannel splitter and gain structure control box
  29. compact stackable relay attenuator - something new
  30. DIY Crossover/Filter: Power Handling
  31. Getting to know the DOODs ...
  32. LED battery indicator
  33. LME49713
  34. Tube preamp kit from ebay - worth my time?
  35. small pre-amp control board design help, I will pay :-)
  36. Value of Stepped Attenuator for Passive Amp.
  37. Differential Line Driver - Impedance Questions
  38. opa 2889 buffer circuit
  39. Help needed with diy outpout switcher relay based
  40. How to make a volume control 50cm from pre-amp?
  41. MAT02 transistors on eBay, are they genuine?
  42. Newb interested in DIY preamp
  43. Help hooking up a car VU meter unit to a home AV reciever
  44. Modular Preamplifier with IC Class A (SAM Electronic Circuits)
  45. Discrete opamp vs regular op amps
  46. Bob Cordell's VinylTrak
  47. NE5532 Tone Control
  48. Muting arrangements for ESP kits: P05B and P09B
  49. Schematics for c3m based preamp
  50. TA 377A preamp
  51. preamp and active filter for class AB amp
  52. Getting a PGA2310 to be silent
  53. SPL EQ Magix studio mic preamp
  54. What's wrong with this typicial preamp circuit?
  55. How Many Line-Level Components?
  56. Need to make a simple balance control
  57. DRV134 and protection diodes
  58. Passive line level 3th order RC XO with no insertion losses?
  59. That 1646 balanced line driver PCB
  60. Help with a PLLXO
  61. LME49990 design note
  62. Cg in THAT 1512
  63. Transistor Preamp Design for ADC
  64. P1 preamplifier
  65. MUSES 72320 electronic volume
  66. DIY 1/2-inch Measurement Microphone
  67. Adcom GTP-450 - Right Channel Fades Out
  68. Passive pre for my AudioSector
  69. Capacitive crosstalk between input/output wiring
  70. Cantilevered-Cascode Buffer (CCB) aka LinuxBuffer
  71. Accelerometer to audiointerface
  72. Home Theater bypass for a tube pre amp - Help!!!
  73. Ultrabass, psychoacoutstic low bass for little speakers
  74. Discrete Opamp test circuits
  75. Inverted Polarity of tube Pre-Amps
  76. Looking For Someone To Build A Vandersteen X-2
  77. Configurable active crossover - Newbie jumping in feet first
  78. Mic Preamp Improvements? (Soundcraft 800B)
  79. electret mic preamp gain
  80. Question about active crossover
  81. Rod Elliott ESP opamp pre's question
  82. Design questions for opamp-based preamp
  83. Preamp with remote using radio not ir
  84. Squeaking Noise with 48V in DAV BG1
  85. I need mini Pre-amp board, please help
  87. looking to build a "classic" tube compressor
  88. lm833 single supply
  89. How to protect device from contamination through output
  90. Lundahl LL1545A hookup question...
  91. Inverting rail to rail unity buffer
  92. Subwoofer Controller Kit - Altronics Kit No K5562
  93. Replacement cap for Wima MKP10 0,047UF
  94. Programming of Oxmoor equalizers via PA-422
  95. Help in choosing a potentiometer as a "Passive preamplifier"
  96. Test IC TL074 CN
  97. Relay audio switcher
  98. Analog audio switcher
  99. BSS FDS 340 crossover
  100. Discrete Logic ABX Switch Box
  101. Audio System Controller
  102. the definitive opamp decouplig question
  103. buffer stages performance
  104. Rolling the RANE AC23
  105. Automatic Line level Attenuation Circuit
  106. Check my Opamp Preamp Please
  107. Choosing an active 3-way crossover
  108. Please suggest to me the best affordable LDR preamp kits
  109. Custom Rotary DJ mixer.
  110. Programmer-help for fleabay-remote-kit
  111. Wiring advice for internal pre amp inputs
  112. Discrete Opamp Open Design
  113. microprocessor And control
  114. Latest project.
  115. Remote control won't shut up
  116. Looking to DIY a DI box -10dBv to +4dBu
  117. pre amp suggestions, DIY or Non DIY, Im easy
  118. Musical Fidelity Pre Amp II
  119. Help with DIY passive balanced line level attenuator pads.
  120. RF-blocking???
  121. Jfet Line preamp, to cascode or not.
  122. Mic pre strange high-freq boost (what is broken here?)
  123. New pre amp coming. Change over to 115V help...
  124. XO of Mission 770mk2
  125. Equaliser design for a total n00b
  126. Trying to remote control volume on vintage HK
  127. Passive Pre Chassis and Budget Allocation
  128. Linkwitz Transforms
  129. INA217 is noisy
  130. need sound attenuator
  131. NAIM NAC 42.5 Vintage for my updated NYTECH CPA 602 - 2012
  132. Volume Control Problem
  133. Balanced Signal over 500 Metres!
  134. Single voltage powered Tone Control
  135. PGA2320 and Atmega8 Bascom Source Code Problem
  136. Tone Control Filter
  137. phase linear filters - any good?
  138. Summing (2x) opposite-phase signals with Transformers
  139. A circuit to monitor the analog audio line level
  140. diy Pre-amp question
  141. Critique please: Analogue -> Digital (TOS-LINK)
  142. Circuit Diagram wanted
  143. Xkitz 2-way Active Crossover Kit
  144. Need orientation with tweaking a TASCAM MF-P01
  145. Connecting Multiple op amp inputs from a single op amp output
  146. digital output
  147. Balanced Buffer Needed with a Balanced Volume Control?
  148. $150-200$ Preamp Build?
  149. Balanced tube preamplifier: suggestions?
  150. Adding summed output for sub
  151. Please help me understand this circuit...newbie here
  152. lpf and hpf setting.
  153. After search...need schematic to stereo preamp with only 4 bjt transistors
  154. Help with Zero Field input circuit
  155. The XCEN -- Balanced to Single Ended Converter
  156. Building active cross-overs into multiple power amps?
  157. "Firefly" Unity Gain Buffer
  158. Parasound P/LD 1500 hissing sound in left channel
  159. another studiomaster story
  160. Transformer with 3 secondaries
  161. Need sub woofer controller
  162. Subwoofer controller
  163. APT audio products
  164. how to hook up my preamp for recording??
  165. Class A preamp: please critique my circuit and give me helpful suggestions.
  166. Mixing slope types?
  167. Measuring Line Level Output?
  168. Buss Channel with Noise after wrong soldered bypass Cap.
  169. Volume pot for line level stereo
  170. Studiomaster 16-4
  171. Opinions: Class A Zen Preamplifier eBay Kit
  172. OpAmp based Summing circuit -- Is greater than Unity Gain here a technical problem?
  173. HELP differntial audio
  174. Part needed: Counterpoint SA-1000 tape/source toggle
  175. dc coupled aikido output?
  176. Ipod Stereo to mono summing
  177. DIY preamp component choice
  178. Velleman K8084 Earthing / Grounding
  179. Active Tone Control and preamp. Need help urgent!
  180. Repairing my balanced inputs
  181. Help with preamp build
  182. Tape out of passive preamp into passive preamp/remove resistors?
  183. SE-ONE Spatial Enhancer
  184. Potmeter to balanced amp= Hum; Help!
  185. LEDs as references in current sources
  186. Looking for inkel pp 821 pre amp service manual
  187. Original Mezmerize thread?
  188. Active xover help.
  189. The Effects Of High Resistance Interconnects
  190. dual balanced ne5534 schematic
  191. JA Pre and MyRef - FE Integration
  192. RFI filter and DC blocking cap
  193. Dyanmic mic to electret type input
  194. Help with audio test equipment design
  195. Simple precision constant current LDR controller
  196. How to control 10 pots in active cross?
  197. HF to LF shelving filter
  198. Lawo W990VS/9 - Connection Question
  199. GlassWare Audio
  200. Source select and passive volume for microcontroller-based preamp?
  201. Microcontroller stepped LDR
  202. Newbie question - PCB mounting
  203. PGA2310 based preamp+ remote
  204. Summing Amp Transformers
  205. Krell KSL AC Conversion 110 -> 240
  206. Insert-send to balanced converter
  207. That 1512 fixed gain follow by a second stage
  208. "Tape Out" on DIY Passive Pre
  209. Help to make a pcb for portable stereo preamp ?
  210. Modifying Maplin preamp kit
  211. Help choosing opamp for this circuit
  212. Help! Microphone impedance matching?
  213. adding opamp filter stage
  214. parametric filter to shelving
  215. opamps - fakes?
  216. combine active xo and parametric eq
  217. Discussion of CCS control for LED/LDR volume adjustment
  218. Small Signal Transistor and Diode Models from NXP
  219. Output Transformer Waveform- Is it good or not?
  220. TL082 Preamp Instability
  221. HELP! line-level crossover design for solar-powered biamped soundsystem
  222. How to integrate Baffle Step Compensation into existing discrete linestage?
  223. Fundamental Oscilliscope Usage
  224. Balanced buffers - analogue volume control
  225. A second order active filter with single supply - Zin ?
  226. Tamradio 600:600 Transformers
  227. Input bias current and impedance of an op amp?
  228. Otari MX7000
  229. Vca's
  230. Optimum value for R(s) in a JFET follower?
  231. Active preamp gain
  232. complementary jfet input trimmer
  233. Looking for a PGA2320 PCB
  234. Looking for discrete high performance linestage design with 12v rails
  235. Which power transformer for low hum?
  236. 2SA1015 SRPP follower bridge mode
  237. H/K 595 subwoofer connect to Aiwa reciever.
  238. Aragon 47k Schematics?
  239. Best OP-amp for EQ circuit?
  240. Broskie
  241. Active Stereo Preamp , OPAMP VS TRANSISTORS , which on would you prefer ?
  242. XLR jacks
  243. Which Aikido?
  244. Electret Mic Power Circuit for PC Input
  245. Soundcraft B100 (TL072...again)
  246. XLR, RCA and CMRR - a few questions
  247. Help Designing Preamp Schematic
  248. Here's a weird enquiry
  249. C1583 & A798
  250. Volume Control with symmetrical out and in

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