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Showing content with the highest reputation on 03/26/2018 in Posts

  1. 5 points
  2. 2 points
  3. Glencairns and some Rocks/Old fashioned glasses would be a good start.
    1 point
  4. Should be the same... 0mV Sent from my iPhone using Tapatalk
    1 point
  5. You didn't claim to be one of your client's entourage? I think that counts.
    1 point
  6. High Maintenance (HBO) - maybe I am getting a contact high, but I'm really enjoying binging this.
    1 point
  7. Repeat buyers are considered pros so we get a nice discount. Just have them enroll your account in the JH Crew or whatever they call it. I got my Roxannes for dramatically less than list. Sent from my iPhone using Tapatalk
    1 point
  8. Went to a small vinyl show/sale today, hosted by a store in the top floor of an old mill in Lowell MA. Place wasn't laid out super well, but they had maybe 8-10 vendors/people selling viny (as well as the ability to walk in the store as well; the vendors lined the hallways and an open area near the store). A bit of the usual populace was there, older men like me who love to talk music. A pleasantly surprising number of women, several of whom seemed to know their stuff. But I'd say 60-70% were pure hipster.....sorry, but your clothes, haircuts including several man-buns and thick beards are just annoying, as is your habit to take your time in front of many bins and talk to your friends while others are waiting. But overall a decent show, prices weren't too outrageous but likely bumped up some for them hipsters. Came back with about 1/2 a dozen pieces of vinyl. My favorite catch was a Germs 10" called Cat's Clause, and the down-memory-lane discussion I had with the seller about alt & punk bands from "the day"
    1 point
  9. Bring on the vinyl! Just as well since I've spent a shed load on deck/arm/cartridge and phono stage.
    1 point
  10. Shelly I am pretty sure that talent Relations is the pro audio arm of JHA - musicians get a discount off list (I believe).
    1 point
  11. Did some fine tuning on my Megatron. Bring the regulated HV down to 430VDC rails and changed one resistor from 21K to 15K to supply 300VDC to the front end tubes. In my case the front end tubes draw about 8.5mA total. Also changes the EL34 tubes around in an attempt to bring down the output offset. It's now down to 12VDC yet not as low as I would like. Have a few more sets of EL34 to swap and match to see how low I can bring the offset down to. The output balance is around 3VDC for both channels. The toggle switch on the back of the PSU controls the power to the CPC1117N relay on the GRHV and function as the HV delay switch.
    1 point
  12. Doing some initial testing of my Megatron. This is the latest version from the GB with the 12.6v filament for the front end tubes. It's making music but I do have some more work to do yet. The Antek AS-2T350 with its rated 350vac secondaries (sagged to 340vac under load) proven not enough to sustain the 450VDC targeted regulated voltage. The GRHV regulated rails sagged to about 433VDC under the load of the Megatron. As such, the intended +300VDC for the front end measured only +264VDC. Also, the 2 Antek AN-0206 transformers I used for the CCS EL34 filament supply only measured about 5.75vac, within the 10% tolerance but a bit low for my liking. May need to explore other options. These with the main ac measured about 117vac. The output balance measured 2.8VDC and 0.7VDC and the offset measured -15VDC and -17VDC (L/R). A few points worth mentioning: 1. I use KSA1156 in place of the 2SA1968 (need to rotate the parts to observe the different pinout) 2. I use a pair of 7812/7912 in the LV part of the GRHV to supply the front end tube filament and the current sink. I mounted them on a 60mm tall heatsink and it appears to work fine for the jobs intended. 3. I am using the split GRHV boards with the CPC1117N delay. I used the 12VDC (with a series resistor to limit the current) from the LV through a toggle switch to manually control the HV delay. It makes for a bit of messy wiring but works fine. Back to work to adjust the GRHV for 425VDC rails and tweak the resistors in series of the B+ to provide 300VDC rail for the front end tubes. EDIT: Forgot to mention perhaps the most important point - the front end tube filament supply connection: if you are using DC filament like I do, make sure you connect the ground wire of the filament supply to the ground pin (which is marked 12.6v on the board) and the 12.6VDC supply wire to the other connector which is NOT the one marked "12.6v". The one marked "12.6v" is actually connected to ground.
    1 point
  13. A DAC, including an RPI as player. Input is ethernet. DAC chip is my favorite, AD1865. From the RPI it fed through an I2S buffer and reclock, than an I2S to PCM converter. That is not my design. The DAC board is my design, at the end, there is no low pass filter, the interstage transformer acts like that. Than, the triode amp and buffer circuit is designed by a friend, I built it on cnc milled plate and point to point wiring. Several modifications made, first I did not like it. It was too dry and sterile. That time the end stage was based on ECC83s. It is redesigned and made with 5687s. Now, it is pretty good. Once I "finish", I will design and get cut and bent a copper case. But now, I'm in a stage that I need a decent headphone amp, tho be able to listen to music when the kids are sleeping in the other room.
    1 point
  14. Indeed, gentlemen. I think an LXStudio-based system may be in my future. http://linkwitzlab.com/LXmini/LXstudio.htm
    1 point
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