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View Full Version : Chip Amps


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  1. Cermet preset
  2. IGC Without Volume control
  3. 400W in a chip
  4. Is 100VA per LM3875 good enough?
  5. Transformers
  6. Using cascoded JFETS to bias op-amps into class A
  7. gaming chair
  8. LM3875 and Distortion
  9. Typical newbie question
  10. apex opamps
  11. Loud hum problem
  12. Source for 1000uF/50V capacitor
  13. Linkwitz’s chip amp – dead bug or other?
  14. NIGC with Super Regulators?
  15. OP-AMPS in Marantz PM7000 Amplifier
  16. OPA549T help!!
  17. First Watt balanced gainclone idea
  18. Transformers and grounds
  19. my opa548 headclone for AKG-K1000
  20. 25k pot for Gainclone?
  21. PPI PC21400 line drivers
  22. My Hybrid VBGC
  23. Bridge and Parrallel Output Resistors.
  24. Looking for a good DIY PCB kit - RS ones any good? Others?
  25. Feedback capacitor to minimize DC offset
  26. substitude for opa134
  27. Class A gainclone/chipamp idea
  28. Bridged and paralleled (not in the same design) question
  29. Non Isolated Chip Question
  30. input impedance
  31. Audio input selector
  32. Different type of rectification?
  33. Problem with high DC on speaker terminals
  34. Dual Transformers for a PS?
  35. New project (720W to 1540W power chip amp)
  36. not an amp
  37. Need bridging TDA7294 scheme and pcb!!!!
  38. My Latest
  39. My first chip amp
  40. Pics of my Bridged GC
  41. need help on circuit design
  42. signal integrator
  43. Shorted power supply destroys amplifier
  44. Live!Value's Output Level?
  45. Chassis ground
  46. Advice on probes for a oscilloscope....
  47. Long-term NIGC battery PS impressions?
  48. 3 TDA7293 running in Parallel
  49. Tweak/mod NAD C350
  50. Bridge LM1875 HS
  51. Replacing Chip
  52. Where to get TA3020 & TA0105A?
  53. system level design stuff, i am garlic.
  54. LM3886 Amp Questions
  55. radio signales.
  56. HELP wanted with TDA 7448 CHip
  57. Can any one help me
  58. Balanced Pre AND Bridged Amp
  59. Your ideal "ChipAmp", unlimited budget
  60. A Vbigc
  61. LM3875 amp help
  62. opinions on this mod to the bridgeclone?
  63. Chill-amp page!
  64. 100 watt amp
  65. LM3886 voltage
  66. Any chip-amps more powerful than LM3875?
  67. How critical is the 0.1UF to earth cap in the VBIGC
  68. Finally, almost done with first IGC
  69. QRP-01 the monster LM3886 Gainclone
  70. MUR 680 or what?
  71. DC offset figures
  72. First GC design. Any thoughts?
  73. To servo or not to Servo..
  74. your best 3886 schematics
  75. Bridging STK4048XI module is the best.
  76. tda1554 amp attempt...
  77. Resistor value in the feedback loop
  78. Building LM1875 GC
  79. Make things clear about PSU
  80. Japanese chip pinout
  81. Question about bridging TDA 7293
  82. LM3886 GC Design Question
  83. Gainclone power supply
  84. New 4 channel GC finished
  85. REQ: TDA7294 schematics
  86. Diagram STK407-090
  87. How best to control input level?
  88. help needed with psu for TDA2050V
  89. Classified government ultimate gainclone?
  90. 7808 or 7806 regulator for Rasmussen tube gainclone ?
  91. 250va?
  92. Need PCB urgent!!!
  93. Stk4191 Ii Pcb
  94. simple 30W to 40W Amp
  95. Two variations of same circuit
  96. High-quality power supply for a gainclone not needed ?
  97. Best sec.voltage for my GC?
  98. berilium oxide insulators for GC for sale
  99. Bridged and Parralleled to drive two ohm load
  100. Why not put filter caps in power supply?
  101. preferred bypass
  102. Upgrade to OPA2134
  103. No Joy!
  104. Bypass caps for tweeter GC
  105. Bridged Parallel Amp Questions
  106. Help Me Please!!
  107. Cheap source/step'd-attenuator switches:
  108. Heatsink question
  109. The output question of GC
  110. Actual capacitance on V+ & V- (gainclone)
  111. Power supply
  112. Gainclone basics for an enthusiast who's new to them
  113. Power supply transformer ratings
  114. Chipamps; Design Considerations for bridging and paralleling.
  115. lm1875+battery problem
  116. 100K Noble logarithmic pot
  117. Aerius I and GainClone
  118. Another amp with EBay attenuator
  119. volume
  120. where to buy lm3875 in the netherlands
  121. Clone blows up
  122. Input cap choices
  123. Transformer question
  124. Constant current source for Clone
  125. Transformer Question
  126. Please grade my 1875 PCB
  127. a peak at a TDA7293 amp
  128. finally built a gainclone
  129. why o why doesn't this work ? Balanced 549
  130. 4780/4732 miniPCB...
  131. A preview of My GainClone (pic incl)
  132. Best possible 10W from chip amp
  133. NAD 705 broken output stage?
  134. Is M.L. a looser?
  135. Could a chip amp power an electromagnet?
  136. Bridge/parallel calculations??
  137. Logitech Z-680
  138. Chip identification: AD42712 (desperate)
  139. lm3886 tda7293 tda1514
  140. gc sounds different (better) after a while ....
  141. Different Transistors
  142. VBIGC, running the buffer at +/- 50V
  143. lm3886-dc on the output
  144. Lm837
  145. Is the DC supply not flat in GainClone?
  146. Shielded cables?
  147. LM3886, Jax how about offset
  148. strange chip???
  149. about bridge
  150. Hi Voltage (i'm hom)
  151. Either of these two transformers workable for a FrankenKlone
  152. Computer SMPS and Gainclone
  153. 4 transformers, still a power problem
  154. NE5534 questions
  155. Radioshack special GC
  156. TDA2050 Input Sensitivity
  157. Current-injected Valve-buffered Gainclone
  158. What chip for ~+/-65VDC ??
  159. Unity Gain Operation (or low gain)
  160. How to bridge a Realistic amp with the less components
  161. amp
  162. Newbie needs advice-help
  163. Reducing output voltage
  164. Lm3886 Pcb
  165. LM3886 Power Supply Schematic?
  166. A few GC newb questions + probs
  167. LM3886 problem
  168. 2ohm
  169. Seeking gold, ganged RCA panel jacks:
  170. Minimun Components to TDA2030 and TDA1514
  171. *sigh* I think I don't like TO-220.
  172. grounding & power supply questions
  173. My first, um, thing
  174. Buzzing transformer
  175. Downsizing a toroid
  176. Onkyo tx-ds 676 upgrade
  177. VBIGC resistor problem
  178. Exotic component choice for a GC
  179. Big trouble with TDA1524! Pls HELP..
  180. heatsink size
  181. Second gainclone...
  182. Just fired up my new dual mono lm1875 Gainclone.
  183. Stereo LM3875 PCB
  184. TDA1190z
  185. Mounting the Chip Amp- Overtightening?
  186. lm1876
  187. Can TDA7370 drive 2ohm load?
  188. LM3875 Newbie Question re: sensitivity
  189. Funny reading from my PS
  190. REALLY stupid question....
  191. new chipamp tda7374
  192. Rectifiers for the GC
  193. pads
  194. Amps
  195. Best Gainclone Design is?
  196. parallel connection
  197. Please critique my Gainclone PCB
  198. 4 or 8 x 60w amp
  199. Just screw it on a piece of spruce
  200. parallel or bridge
  201. Paralleling LM3875 to take tougher loads
  202. about isolation
  203. LM3886 Spice Model done
  204. Preamp - Massive DC Offset (OPA2134)
  205. LM741 and RF NOISE!!!
  206. Input impedence of inverting gainclone
  207. Chip Amps in Germany ?
  208. GC Battery PS - A couple of Questions
  209. limiting the HF in GC
  210. Need good foil Caps for rails
  211. Definitive 24V Gainclone Battery Supply Recharging?
  212. Input for Subwoofer Preamps
  213. Non global feedback regulated supply for GC
  214. TDA1514a amp
  215. About power supply
  216. My First Gainclone have background noise
  217. can tda1514a bridged hold 4 ohm load?
  218. Pix for your amusement
  219. about lm338
  220. A Bridge For Each Channel????
  221. Strange little problem (or maybe not so)
  222. how to connect 2 amps to one woofer
  223. How important are internal wire lengths for a GC?
  224. Quote of the day (Sheryl Crow)
  225. Chip amp vs discrete amp temp compensation of bias.
  226. The Multiclone
  227. Digital Volume Control
  228. Question about chip packages
  229. need to contruct a 2.1
  230. OPA541 w/ or w/o thermal protection?
  231. Bandwidth limiting the lm3886
  232. So, you still not sure if building a GC makes sense?
  233. TDA7293's "protection"
  234. Another LM1875 question
  235. Amplifiers
  236. HT speakers to pair with a gainclone?
  237. Would it kill me to not use these caps and resistors
  238. GREAT new heatsink idea!
  239. What LM3875 to buy?
  240. How about our project of LM3886
  241. Wiring preamp and NIGC
  242. Are these good places for bypass caps
  243. Interconnect, speaker cable break-in???
  244. Does 4x40W enough for a 15m2 room?
  245. Good but simple subwoofer chip amp. circuit suggestion
  246. Using a variable resistor in the feedback loop.
  247. My 3886 Chip Amp PCB Layout
  248. Mystery Coponent in Subwoofer Schematics
  249. V- at output.... help me plz!
  250. SUBWOOFER amplifier project with PCB ???

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