View Full Version : Analog Line Level

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  1. DRV134 and protection diodes
  2. Passive line level 3th order RC XO with no insertion losses?
  3. That 1646 balanced line driver PCB
  4. Help with a PLLXO
  5. LME49990 design note
  6. Cg in THAT 1512
  7. Transistor Preamp Design for ADC
  8. P1 preamplifier
  9. MUSES 72320 electronic volume
  10. DIY 1/2-inch Measurement Microphone
  11. Adcom GTP-450 - Right Channel Fades Out
  12. Passive pre for my AudioSector
  13. Capacitive crosstalk between input/output wiring
  14. Cantilevered-Cascode Buffer (CCB) aka LinuxBuffer
  15. Accelerometer to audiointerface
  16. Home Theater bypass for a tube pre amp - Help!!!
  17. Ultrabass, psychoacoutstic low bass for little speakers
  18. Discrete Opamp test circuits
  19. Inverted Polarity of tube Pre-Amps
  20. Looking For Someone To Build A Vandersteen X-2
  21. Configurable active crossover - Newbie jumping in feet first
  22. Mic Preamp Improvements? (Soundcraft 800B)
  23. electret mic preamp gain
  24. Question about active crossover
  25. Rod Elliott ESP opamp pre's question
  26. Design questions for opamp-based preamp
  27. Preamp with remote using radio not ir
  28. Squeaking Noise with 48V in DAV BG1
  29. I need mini Pre-amp board, please help
  31. looking to build a "classic" tube compressor
  32. lm833 single supply
  33. How to protect device from contamination through output
  34. Lundahl LL1545A hookup question...
  35. Inverting rail to rail unity buffer
  36. Subwoofer Controller Kit - Altronics Kit No K5562
  37. Replacement cap for Wima MKP10 0,047UF
  38. Programming of Oxmoor equalizers via PA-422
  39. Help in choosing a potentiometer as a "Passive preamplifier"
  40. Test IC TL074 CN
  41. Relay audio switcher
  42. Analog audio switcher
  43. BSS FDS 340 crossover
  44. Discrete Logic ABX Switch Box
  45. Audio System Controller
  46. the definitive opamp decouplig question
  47. buffer stages performance
  48. Rolling the RANE AC23
  49. Automatic Line level Attenuation Circuit
  50. Check my Opamp Preamp Please
  51. Choosing an active 3-way crossover
  52. Please suggest to me the best affordable LDR preamp kits
  53. Custom Rotary DJ mixer.
  54. Programmer-help for fleabay-remote-kit
  55. Wiring advice for internal pre amp inputs
  56. Discrete Opamp Open Design
  57. microprocessor And control
  58. Latest project.
  59. Remote control won't shut up
  60. Looking to DIY a DI box -10dBv to +4dBu
  61. pre amp suggestions, DIY or Non DIY, Im easy
  62. Musical Fidelity Pre Amp II
  63. Help with DIY passive balanced line level attenuator pads.
  64. RF-blocking???
  65. Jfet Line preamp, to cascode or not.
  66. Mic pre strange high-freq boost (what is broken here?)
  67. New pre amp coming. Change over to 115V help...
  68. XO of Mission 770mk2
  69. Equaliser design for a total n00b
  70. Trying to remote control volume on vintage HK
  71. Passive Pre Chassis and Budget Allocation
  72. Linkwitz Transforms
  73. INA217 is noisy
  74. need sound attenuator
  75. NAIM NAC 42.5 Vintage for my updated NYTECH CPA 602 - 2012
  76. Volume Control Problem
  77. Balanced Signal over 500 Metres!
  78. Single voltage powered Tone Control
  79. PGA2320 and Atmega8 Bascom Source Code Problem
  80. Tone Control Filter
  81. phase linear filters - any good?
  82. Summing (2x) opposite-phase signals with Transformers
  83. A circuit to monitor the analog audio line level
  84. diy Pre-amp question
  85. Critique please: Analogue -> Digital (TOS-LINK)
  86. Circuit Diagram wanted
  87. Xkitz 2-way Active Crossover Kit
  88. Need orientation with tweaking a TASCAM MF-P01
  89. Connecting Multiple op amp inputs from a single op amp output
  90. digital output
  91. Balanced Buffer Needed with a Balanced Volume Control?
  92. $150-200$ Preamp Build?
  93. Balanced tube preamplifier: suggestions?
  94. Adding summed output for sub
  95. Please help me understand this circuit...newbie here
  96. lpf and hpf setting.
  97. After search...need schematic to stereo preamp with only 4 bjt transistors
  98. Help with Zero Field input circuit
  99. The XCEN -- Balanced to Single Ended Converter
  100. Building active cross-overs into multiple power amps?
  101. "Firefly" Unity Gain Buffer
  102. Parasound P/LD 1500 hissing sound in left channel
  103. another studiomaster story
  104. Transformer with 3 secondaries
  105. Need sub woofer controller
  106. Subwoofer controller
  107. APT audio products
  108. how to hook up my preamp for recording??
  109. Class A preamp: please critique my circuit and give me helpful suggestions.
  110. Mixing slope types?
  111. Measuring Line Level Output?
  112. Buss Channel with Noise after wrong soldered bypass Cap.
  113. Volume pot for line level stereo
  114. Studiomaster 16-4
  115. Opinions: Class A Zen Preamplifier eBay Kit
  116. OpAmp based Summing circuit -- Is greater than Unity Gain here a technical problem?
  117. HELP differntial audio
  118. Part needed: Counterpoint SA-1000 tape/source toggle
  119. dc coupled aikido output?
  120. Ipod Stereo to mono summing
  121. DIY preamp component choice
  122. Velleman K8084 Earthing / Grounding
  123. Active Tone Control and preamp. Need help urgent!
  124. Repairing my balanced inputs
  125. Help with preamp build
  126. Tape out of passive preamp into passive preamp/remove resistors?
  127. SE-ONE Spatial Enhancer
  128. Potmeter to balanced amp= Hum; Help!
  129. LEDs as references in current sources
  130. Looking for inkel pp 821 pre amp service manual
  131. Original Mezmerize thread?
  132. Active xover help.
  133. The Effects Of High Resistance Interconnects
  134. dual balanced ne5534 schematic
  135. JA Pre and MyRef - FE Integration
  136. RFI filter and DC blocking cap
  137. Dyanmic mic to electret type input
  138. Help with audio test equipment design
  139. Simple precision constant current LDR controller
  140. How to control 10 pots in active cross?
  141. HF to LF shelving filter
  142. Lawo W990VS/9 - Connection Question
  143. GlassWare Audio
  144. Source select and passive volume for microcontroller-based preamp?
  145. Microcontroller stepped LDR
  146. Newbie question - PCB mounting
  147. PGA2310 based preamp+ remote
  148. Summing Amp Transformers
  149. Krell KSL AC Conversion 110 -> 240
  150. Insert-send to balanced converter
  151. That 1512 fixed gain follow by a second stage
  152. "Tape Out" on DIY Passive Pre
  153. Help to make a pcb for portable stereo preamp ?
  154. Modifying Maplin preamp kit
  155. Help choosing opamp for this circuit
  156. Help! Microphone impedance matching?
  157. adding opamp filter stage
  158. parametric filter to shelving
  159. opamps - fakes?
  160. combine active xo and parametric eq
  161. Discussion of CCS control for LED/LDR volume adjustment
  162. Small Signal Transistor and Diode Models from NXP
  163. Output Transformer Waveform- Is it good or not?
  164. TL082 Preamp Instability
  165. HELP! line-level crossover design for solar-powered biamped soundsystem
  166. How to integrate Baffle Step Compensation into existing discrete linestage?
  167. Fundamental Oscilliscope Usage
  168. Balanced buffers - analogue volume control
  169. A second order active filter with single supply - Zin ?
  170. Tamradio 600:600 Transformers
  171. Input bias current and impedance of an op amp?
  172. Otari MX7000
  173. Vca's
  174. Optimum value for R(s) in a JFET follower?
  175. Active preamp gain
  176. complementary jfet input trimmer
  177. Looking for a PGA2320 PCB
  178. Looking for discrete high performance linestage design with 12v rails
  179. Which power transformer for low hum?
  180. 2SA1015 SRPP follower bridge mode
  181. H/K 595 subwoofer connect to Aiwa reciever.
  182. Aragon 47k Schematics?
  183. Best OP-amp for EQ circuit?
  184. Broskie
  185. Active Stereo Preamp , OPAMP VS TRANSISTORS , which on would you prefer ?
  186. XLR jacks
  187. Which Aikido?
  188. Electret Mic Power Circuit for PC Input
  189. Soundcraft B100 (TL072...again)
  190. XLR, RCA and CMRR - a few questions
  191. Help Designing Preamp Schematic
  192. Here's a weird enquiry
  193. C1583 & A798
  194. Volume Control with symmetrical out and in
  195. Building a Tee attenuator
  196. Noise in balanced outputs - Parasound
  197. Need some advice on a level booster...
  198. INA134-DRV134 balanced preamp
  199. how to add protection circuits (swith circuit)
  200. resistor(s) in ground paths to reduce hum, etc.
  201. My (quick and dirty) take at a PLLXO for OB, help is welcome
  202. Lundahl LL1530 - audio application?
  203. SP-6 Light with ECC801S
  204. Active crossover help
  205. Line Level Preamp, Using JFETs, in a can.
  206. Replacement push buttons for hafler?
  207. My fuzz pedal project is behaving badly
  208. My fuzz pedal project is behaving badly
  209. Op-amp Upgrade
  210. Output transformers for Line-level signal.
  211. PGA2310 control module
  212. Shields in internally balanced equipment
  213. First effort: MM/MC phono preamp with DC servo
  214. How to figure gyrator treble boost gain
  215. AirTight ATC-2 Preamp Pictures
  216. Need help with the NE5543N opamp
  217. help building a crossover/lowpass filter
  218. Poles and throws?
  219. DC buildup in Linkwitz Transform
  220. BOZ (bride of Zen) advices asked - things to do/avoid
  222. Adjustable Linkwitz-Riley filter: Help needed with SPICE
  223. Variable active high pass filter .
  224. What advantage to use OP to summing signal ?
  225. Transformer malfunction??'
  226. Fader Penny Giles and Active Level control
  227. Is this filtering really needed ?
  229. Balanced vs Unbalanced -Basics
  230. Humorous mistake in Douglas Self Active Crossovers book
  231. preamp and tone control circuit with pcb
  232. Noisy 'clickless' analogue switches
  233. Preamp needed, or am I missing something?
  234. Volume Control Clicks
  235. Audio Research SP-10 Clone HELP please
  236. Selector switch
  237. repairing/recycling RCA cable
  238. Klimo Merlin rebuilding
  239. Analog Signal to fire Contact Closure
  240. Cello Palette Style EQ Design (was High End Tone Control)...
  241. LDR attenuators - Better balance with DC bias
  242. Acoustic Guitar Pre/Comp/EQ/Blender/DI
  243. Where is the point of diminishing returns with caps in passive crossovers?
  244. Preamp output protection
  245. Lexicon Master Re-boot?
  246. Grounding in balanced passive pre?
  247. Preamp knob where to buy...
  248. Transcendent Sound GG help
  249. Signal level
  250. Advice on a simple preamp

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