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Mark51

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About Mark51

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  • Gender
    Male
  • Location
    Florida
  • Interests
    Audio, guitar, banjo
  • My System
    Forte 1, KG4, couple of mini tube amps, Schiit Modi 3, Schiit Fulla 2.

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  1. I really only need to protect them for the move itself but have no objection to something more permanent.
  2. I bought a returned Chinese mini tube amp on eBay for less than $100. It sounded good but I wasn't using it so tore it apart of course. It comes powered by a 12 volt laptop power supply. I wanted to see how they get the required voltages from that. Inside was a boost converter that supplies 280 volts to the plates. But it was not mounted to anything. It was just wrapped in shrink tubing and tucked in there. And the shrink tubing had a hole burned into it. I think perhaps it was a repair because the boost converter board looked a little burnt. They could have at least put another piece of shrink tubing over it. I'm very glad I tore the thing apart. The rest of the amp looks solid. I'm going to rebuild it for fun.
  3. I'm going to be moving soon and want to protect the passive woofers on my Forte's and KG4's. I suppose the best way is to install a metal speaker grill. The speaker frames measure slightly over 12 inches in diameter so would a 12 inch grill fit or would I need a 15 inch grill? Any suggestions? I'd hate to see those things torn in the moving process.
  4. I don't consider it a problem but that's the problem with Klipsch speakers. They will not hide how bad a recording is. Its a bit frustrating at times. Many songs I like just sound terrible to me, especially the way vocals are processed. I'm sure they most likely used a 3-thousand dollar Neuman microphone but they might as well have used something from Radio Shack by the time they're done ruining it. All the low frequencies sound to me liked they've been equalized out, I suppose to make the vocal stand out.
  5. This is a very general statement but the best sounding guitar amps are tubes. There's something very organic and dynamic about the sound and I hear the same thing with tube based stereo.
  6. This. Forte is just taller than Heresy and has much better bass. I got a used pair on CL in very good shape for $500. That's about what used Hersey's generally go for.
  7. If you'd like to get something new without spending a lot money try the Tubecube from tubedepot.com. That will at least give you an idea of what tubes sound like.
  8. This is not near field but here's my current office setup. Schiit Fulla into a Chinese mini tube amp driving Klipsch KG4 speakers. Plenty of volume for both the Grado headphones and speakers. Tube amp sounds very nice even without trying different tubes. Fulla sounds musical and warm.
  9. I asked the same question in the DIY forum. They say that with only a capacitor in the filter there will still be some AC and with Klipsch speakers I would be glad there's a pot to balance it out. Makes sense.
  10. Now that I have a pair of Fortes I want to build a 300B amp. The schematic here is exactly what I built about 20 years ago but sold. My question concerns the 100 ohm pot in the filament of the 300b. My recollection is that this was for balancing hum when using 5 volts AC. But this schematic shows the 5 volt supply rectified. So why a hum balancing pot?
  11. Index Quantity Part Number Manufacturer Part Number Description Customer Reference Backorder Unit Price Extended Price 1 2 1572-1025-ND 105MWR250K CAP FILM 1UF 10% 250VDC AXIAL 0 1.07000 $2.14 2 4 1572-1072-ND 155MWR100K CAP FILM 1.5UF 10% 100VDC AXIAL 0 1.24000 $4.96 3 2 493-12731-1-ND UVP2A330MHD1TO CAP ALUM 33UF 20% 100V RADIAL 0 0.91000 $1.82 4 2 493-16147-ND UVP2A470MHD CAP ALUM 47UF 20% 100V RADIAL 0 0.95000 $1.90 Subtotal $10.82 Index Quantity Part Number Manufacturer Part Number Description Customer Reference Backorder Unit Price Extended Price 1 2 EF2825-ND ECQ-E2825KF CAP FILM 8.2UF 10% 250VDC RADIAL 0 2.02000 $4.04 2 2 EF2275-ND ECQ-E2275KF CAP FILM 2.7UF 10% 250VDC RADIAL 0 1.13000 $2.26 Subtotal $6.30 Note that the 47uf cap goes in the Forte and the 33uf goes into a KG4. The last two films in the list are for a KG4. All the other films are for Forte. I got these from Digikey. Mouser might have a better selection but Digikey has less expensive shipping options. Now that I look at it again I recapped four speakers for less than $20, not including shipping.
  12. I'm the OP of this sometimes ridiculous thread so I'm here to report on my results. I re-capped both sets of my Klipsch speakers - Forte and KG4 and am very pleased with the results. I did not spend a lot of money - a total of about $30. I purchased name brand but inexpensive caps from Digikey - Illinois, Panasonic and so forth. So replacing old caps with new manufacture caps, even inexpensive ones, is worthwhile. That's what I learned.
  13. I did the recap job and the Creek sounds much better - better highs, transparency and so forth. It was worth $20 but a real PITA to desolder all those caps. I even put one in backwards which blew a fuse but caused no other damage. One thing I learned is that in the instructions Creek says the 4140 is designed to work only with 8 ohm speakers. It did not do well with my Fortes which are 4 ohms according to the terminal cup. I also had to turn up the volume more than I would expect to get some level. Also, when pushing the "Disc" input button, which is for a turntable, it would motorboat while hooked up to the Fortes. However, hooked up to my pair of Klipsch KG4's, which are 6 ohms according to the terminal cup, no such problems and plenty of gain. If anyone cares to pontificate on why the amp motorboats hooked up to 4 ohm speakers when the phono premap is on I'd like to hear it. I would guess that with all that gain the amp becomes unstable when hooked up to a 4 ohm load. Mind you I don't have a turntable so nothing was plugged into the phono inputs. Does it now sound as good as my cheap Chinese EL84 SE amp? I''d say no, Ski Bum is right, but I would say its listenable now.
  14. If you do I'd like to hear what you think of it.
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