View Full Version : Analog Line Level

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

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