View Full Version : Analog Line Level

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  1. Volume control, Evil Mad Scientist style
  2. McIntosh C28 With Bad Transformer
  3. analogue active filter: MFB or Sallen Key?
  4. Help with 6-Bit R-2R Relay Attenuator
  5. Current conveyor as a voltage amplifier
  6. DIY monitor controller modules order…
  7. Active crossover component suggestions?
  8. can a preamp be used directly for headphone?
  9. Sharing a Single Inductor for Multiple Passive LR Filters?
  10. Audio Research LS-3 power transformer
  11. Lil Pre Amp
  12. Preamp OP-AMP...help.
  13. looking to try to split 80hz from an active stereo 3 way
  14. PGA2311 LCD Volume Remote Control+GOLD RCA Jeff Rowland
  15. A new fully analog FM modulated wideband optical transport Open Standard.
  16. wiring schematic for DPDT on-on-on toggle selector
  17. Mods for Denon AVR receiver or pre-amp?
  18. Mods for Denon AVR receiver or pre-amp?
  19. A question of volume control
  20. Cable Questions
  21. Interconnect cable Recommendations
  22. Another simple project I can't do. Using DAC from CDP
  23. Can i make a balanced preamp only using OPA2134 ?
  24. When is the Aikido going to be on sale again? is there a group buy I can get in on?
  25. Swapping potentiometer
  26. What should I be searching for
  27. Signal booster for cd player
  28. Preamp output relay - or other device
  29. Matching my silonex LDR
  30. Ballanced Unballanced what does it mean??
  31. LP/HP crossover for 2.1 DIY preamp?
  32. Biamp EQ-210 as a "Studio" EQ?
  33. Current noise between DC coupled op amps?
  34. Soft Clipper Central Station?
  35. Request active sub xo schematic
  36. Multichannel splitter and gain structure control box
  37. compact stackable relay attenuator - something new
  38. DIY Crossover/Filter: Power Handling
  39. Getting to know the DOODs ...
  40. LED battery indicator
  41. LME49713
  42. Tube preamp kit from ebay - worth my time?
  43. small pre-amp control board design help, I will pay :-)
  44. Value of Stepped Attenuator for Passive Amp.
  45. Differential Line Driver - Impedance Questions
  46. opa 2889 buffer circuit
  47. Help needed with diy outpout switcher relay based
  48. How to make a volume control 50cm from pre-amp?
  49. MAT02 transistors on eBay, are they genuine?
  50. Newb interested in DIY preamp
  51. Help hooking up a car VU meter unit to a home AV reciever
  52. Modular Preamplifier with IC Class A (SAM Electronic Circuits)
  53. Discrete opamp vs regular op amps
  54. Bob Cordell's VinylTrak
  55. NE5532 Tone Control
  56. Muting arrangements for ESP kits: P05B and P09B
  57. Schematics for c3m based preamp
  58. TA 377A preamp
  59. preamp and active filter for class AB amp
  60. Getting a PGA2310 to be silent
  61. SPL EQ Magix studio mic preamp
  62. What's wrong with this typicial preamp circuit?
  63. How Many Line-Level Components?
  64. Need to make a simple balance control
  65. DRV134 and protection diodes
  66. Passive line level 3th order RC XO with no insertion losses?
  67. That 1646 balanced line driver PCB
  68. Help with a PLLXO
  69. LME49990 design note
  70. Cg in THAT 1512
  71. Transistor Preamp Design for ADC
  72. P1 preamplifier
  73. MUSES 72320 electronic volume
  74. DIY 1/2-inch Measurement Microphone
  75. Adcom GTP-450 - Right Channel Fades Out
  76. Passive pre for my AudioSector
  77. Capacitive crosstalk between input/output wiring
  78. Cantilevered-Cascode Buffer (CCB) aka LinuxBuffer
  79. Accelerometer to audiointerface
  80. Home Theater bypass for a tube pre amp - Help!!!
  81. Ultrabass, psychoacoutstic low bass for little speakers
  82. Discrete Opamp test circuits
  83. Inverted Polarity of tube Pre-Amps
  84. Looking For Someone To Build A Vandersteen X-2
  85. Configurable active crossover - Newbie jumping in feet first
  86. Mic Preamp Improvements? (Soundcraft 800B)
  87. electret mic preamp gain
  88. Question about active crossover
  89. Rod Elliott ESP opamp pre's question
  90. Design questions for opamp-based preamp
  91. Preamp with remote using radio not ir
  92. Squeaking Noise with 48V in DAV BG1
  93. I need mini Pre-amp board, please help
  95. looking to build a "classic" tube compressor
  96. lm833 single supply
  97. How to protect device from contamination through output
  98. Lundahl LL1545A hookup question...
  99. Inverting rail to rail unity buffer
  100. Subwoofer Controller Kit - Altronics Kit No K5562
  101. Replacement cap for Wima MKP10 0,047UF
  102. Programming of Oxmoor equalizers via PA-422
  103. Help in choosing a potentiometer as a "Passive preamplifier"
  104. Test IC TL074 CN
  105. Relay audio switcher
  106. Analog audio switcher
  107. BSS FDS 340 crossover
  108. Discrete Logic ABX Switch Box
  109. Audio System Controller
  110. the definitive opamp decouplig question
  111. buffer stages performance
  112. Rolling the RANE AC23
  113. Automatic Line level Attenuation Circuit
  114. Check my Opamp Preamp Please
  115. Choosing an active 3-way crossover
  116. Please suggest to me the best affordable LDR preamp kits
  117. Custom Rotary DJ mixer.
  118. Programmer-help for fleabay-remote-kit
  119. Wiring advice for internal pre amp inputs
  120. Discrete Opamp Open Design
  121. microprocessor And control
  122. Latest project.
  123. Remote control won't shut up
  124. Looking to DIY a DI box -10dBv to +4dBu
  125. pre amp suggestions, DIY or Non DIY, Im easy
  126. Musical Fidelity Pre Amp II
  127. Help with DIY passive balanced line level attenuator pads.
  128. RF-blocking???
  129. Jfet Line preamp, to cascode or not.
  130. Mic pre strange high-freq boost (what is broken here?)
  131. New pre amp coming. Change over to 115V help...
  132. XO of Mission 770mk2
  133. Equaliser design for a total n00b
  134. Trying to remote control volume on vintage HK
  135. Passive Pre Chassis and Budget Allocation
  136. Linkwitz Transforms
  137. INA217 is noisy
  138. need sound attenuator
  139. NAIM NAC 42.5 Vintage for my updated NYTECH CPA 602 - 2012
  140. Volume Control Problem
  141. Balanced Signal over 500 Metres!
  142. Single voltage powered Tone Control
  143. PGA2320 and Atmega8 Bascom Source Code Problem
  144. Tone Control Filter
  145. phase linear filters - any good?
  146. Summing (2x) opposite-phase signals with Transformers
  147. A circuit to monitor the analog audio line level
  148. diy Pre-amp question
  149. Critique please: Analogue -> Digital (TOS-LINK)
  150. Circuit Diagram wanted
  151. Xkitz 2-way Active Crossover Kit
  152. Need orientation with tweaking a TASCAM MF-P01
  153. Connecting Multiple op amp inputs from a single op amp output
  154. digital output
  155. Balanced Buffer Needed with a Balanced Volume Control?
  156. $150-200$ Preamp Build?
  157. Balanced tube preamplifier: suggestions?
  158. Adding summed output for sub
  159. Please help me understand this circuit...newbie here
  160. lpf and hpf setting.
  161. After search...need schematic to stereo preamp with only 4 bjt transistors
  162. Help with Zero Field input circuit
  163. The XCEN -- Balanced to Single Ended Converter
  164. Building active cross-overs into multiple power amps?
  165. "Firefly" Unity Gain Buffer
  166. Parasound P/LD 1500 hissing sound in left channel
  167. another studiomaster story
  168. Transformer with 3 secondaries
  169. Need sub woofer controller
  170. Subwoofer controller
  171. APT audio products
  172. how to hook up my preamp for recording??
  173. Class A preamp: please critique my circuit and give me helpful suggestions.
  174. Mixing slope types?
  175. Measuring Line Level Output?
  176. Buss Channel with Noise after wrong soldered bypass Cap.
  177. Volume pot for line level stereo
  178. Studiomaster 16-4
  179. Opinions: Class A Zen Preamplifier eBay Kit
  180. OpAmp based Summing circuit -- Is greater than Unity Gain here a technical problem?
  181. HELP differntial audio
  182. Part needed: Counterpoint SA-1000 tape/source toggle
  183. dc coupled aikido output?
  184. Ipod Stereo to mono summing
  185. DIY preamp component choice
  186. Velleman K8084 Earthing / Grounding
  187. Active Tone Control and preamp. Need help urgent!
  188. Repairing my balanced inputs
  189. Help with preamp build
  190. Tape out of passive preamp into passive preamp/remove resistors?
  191. SE-ONE Spatial Enhancer
  192. Potmeter to balanced amp= Hum; Help!
  193. LEDs as references in current sources
  194. Looking for inkel pp 821 pre amp service manual
  195. Original Mezmerize thread?
  196. Active xover help.
  197. The Effects Of High Resistance Interconnects
  198. dual balanced ne5534 schematic
  199. JA Pre and MyRef - FE Integration
  200. RFI filter and DC blocking cap
  201. Dyanmic mic to electret type input
  202. Help with audio test equipment design
  203. Simple precision constant current LDR controller
  204. How to control 10 pots in active cross?
  205. HF to LF shelving filter
  206. Lawo W990VS/9 - Connection Question
  207. GlassWare Audio
  208. Source select and passive volume for microcontroller-based preamp?
  209. Microcontroller stepped LDR
  210. Newbie question - PCB mounting
  211. PGA2310 based preamp+ remote
  212. Summing Amp Transformers
  213. Krell KSL AC Conversion 110 -> 240
  214. Insert-send to balanced converter
  215. That 1512 fixed gain follow by a second stage
  216. "Tape Out" on DIY Passive Pre
  217. Help to make a pcb for portable stereo preamp ?
  218. Modifying Maplin preamp kit
  219. Help choosing opamp for this circuit
  220. Help! Microphone impedance matching?
  221. adding opamp filter stage
  222. parametric filter to shelving
  223. opamps - fakes?
  224. combine active xo and parametric eq
  225. Discussion of CCS control for LED/LDR volume adjustment
  226. Small Signal Transistor and Diode Models from NXP
  227. Output Transformer Waveform- Is it good or not?
  228. TL082 Preamp Instability
  229. HELP! line-level crossover design for solar-powered biamped soundsystem
  230. How to integrate Baffle Step Compensation into existing discrete linestage?
  231. Fundamental Oscilliscope Usage
  232. Balanced buffers - analogue volume control
  233. A second order active filter with single supply - Zin ?
  234. Tamradio 600:600 Transformers
  235. Input bias current and impedance of an op amp?
  236. Otari MX7000
  237. Vca's
  238. Optimum value for R(s) in a JFET follower?
  239. Active preamp gain
  240. complementary jfet input trimmer
  241. Looking for a PGA2320 PCB
  242. Looking for discrete high performance linestage design with 12v rails
  243. Which power transformer for low hum?
  244. 2SA1015 SRPP follower bridge mode
  245. H/K 595 subwoofer connect to Aiwa reciever.
  246. Aragon 47k Schematics?
  247. Best OP-amp for EQ circuit?
  248. Broskie
  249. Active Stereo Preamp , OPAMP VS TRANSISTORS , which on would you prefer ?
  250. XLR jacks

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