6550 burn in. Use EL34 instead ! -.

6550 burn in If you're swapping tubes on a quite new amp, you can hear the burn-in time of other components which take longer to be fully burnt-in like capacitors or even trannies. force) class AB operation. e. Tung-Sol 6550 Audiophile Power Tubes, Matched Quad. You must increase the negative bias range to run the 6550's in their bias range. Thicker plates, improved heat dissipation, higher transconductance, and increased linearity Background, I play cover gigs every Friday and Saturday that are 4 sets. Fact is the only 6550 I found that did work for more than a month was Valve Art 6550 but has filament noise issues. I have conrad-johnson P12 monoblocks, each uses 4 6550's. c-j is very firm in their position of only 6550's. Aug 10, 2022 · 6550 needs a smaller grid resistor to reduce the risk of unstable bias and/or redplating. The Sovteks were harsher by comparison, and sounded flatter. Tung-Sol 6550 A current re-creation of the classic original 6550, now made in Russia. Under precise voltage and temperature control, each PSVANE vacuum tube must undergo at least 24 hours of burn-in test before leaving the factory, to ensure that every product delivered to you is stable and reliable. Last September I finally had to replace them and went with JJ 6550 Unlike some of the original GE 6550's and the New Censor variations, the JJ 6550 does not internally connect anything to the metal base ring. Nov 27, 2005 · So, the Sovtek 6550 is not a tube I recommend for anyone. We burn-in and precision match all the 6550 tubes in Oct 24, 2020 · Having had such a nice reaction to my article on cutting settings with the Yora Laser Modules, I thought I’d resurrect and complete something I’d started writing a few months ago on burn settings. What is so special about these Genalux KT88's? Another thing is my P12's burn through the 6550's in about two years, so I did some research. With FREE 24-Hour Burn-In and Computerized MatchingBrand New with Full Manufacturer's WarrantyItem 6550 TUNGSOL MQCopy of the original type 3 Tung-Sol 6550 made in the 1960’s. As with any high power output tubes, the 6550 tubes need to be matched closely as pairs and quads to get the most out of your amp. This makes the Dec 15, 2013 · Hello,Out there. I've heard 2 sets of 88's and was not a tube that fits my music, classical. Oct 21, 2010 · I prefer my Tungsols to the almost new Sovteks that were in the amp when I got it. Thicker plates, improved heat dissipation, higher transconductance, and increased linearity a Dec 29, 2020 · The 6550-AT features the Horizon series' exclusive HPC-X coating and a base made of a new material. Apr 4, 2015 · My Audio Research CA50 was in its 1-minute warm-up mode when I heard a little pop, and then pfft. 2 days ago · 北極星藥業-KY(6550. Those are the only two 6550 tubes I've tried, so I won't say yeah, Tungsols are the best, but I really do like the tone. A bit of a burning smell and two little broken pieces of plastic lying on the bottom inside. Stick with it and you will learn something that will All power tubes are Platinum Screened & Tested to the highest standards, including a 72-hour burn in process, and testing at real-world voltages. Use EL34 instead ! -. 15% off Make sure your focus is set correctly and adjust the speed and/or S-MAX settings until you achieve the level of burn that you Jul 27, 2006 · 6550 tube vs KT88 Was wondering what might be some of the differences between these 2 tubes. Every power tube is different. But, believe me, you will have missed the most important bits. I have an Ampeg SVT-CL which previously had Winged-C 6550 tubes that lasted over 5 years. Dec 25, 2008 · Alright, so now you guys have got me thinking about this. I turned to see a puff of smoke rising from the right side. 1. 50 vdc according to this thread. 35v, about 75ma in a HK Citation II. In conjunction with the extended TAD burn-in and formating process, the 6550A-STR reaches an outstanding consistency and stability and outperformes even the 6550C -C-. Triple getter, carbonized screen, and gold plated grid. Any info would help. My dilemna is whether to now retube the DA60 with JJ KT88 or E34L. TW)，Yahoo奇摩股市提供您即時報價、個股走勢、成交資訊、當日籌碼，價量變化、個股相關新聞等即時資訊。 A 6550 tube is a dependable workhorse that takes abuse and keeps going. NEW VERSION: Since Sept. My burn-in procedure in theory would catch any that escaped with their defects into the wild. In terms of 6550, the Electro Harmonix are far, far superior, as are the true Svetlana/SED KT88. i found the sound too compressed, too flat on fq's, dynamics were thin. Apr 23, 2010 · The 6550 tube does have slightly more powerful bass, but in my experience, the KT88 has perfectly good bass as well, with the added benefit of sweeter mid and top end performance over the 6550. The current p Sep 30, 2019 · Hello there, everyone, Being new to the tube amps, I hear friends telling me that I should have a break-in period for my tube amps and it is usually about 100 hours or so. After a 24 hour burn in all power tubes are tested for noise and matched at multiple operating points for plate current (± one milliamp) and Jun 30, 2020 · Perhaps you already have a YoraHome 3018 and you’re considering buying a specific laser engraving machine, rather than adding a laser to it, or you’re ready to jump straight into the world of CNC with the YoraHome CNC Laser Engraving Machine 6550. This applies especially to power tubes like EL34, 6550, KT88’s, etc. Looking to purchase a quad of same date coded, matched NOS Tung Sol, 3-hole, 6550's because I've read such good things about these tubes. It's just a bad sounding tube compared to what else is in the marketplace. You set bias based on amp's plate voltage and max plate dissipation found in the tube's data sheet. Dec 24, 2015 · When I re-tube, "burn-in" is to make sure all the new tubes bias correctly (if power), remain stable, and stay lit. This totals my amp being on for about 10-12 hours per week. Jul 26, 2005 · Burn-in time for 6550c tubes ? Hi: I have just re-tubed my CJ Premier 8 amps with brand new Svetlana 6550c tubes, having old and rusty Sovtek 6550 tubes before. . These are safe to use in all applicable applications. Build up the YoraHome 6550 properly This All power tubes are screened and tested to the highest standards, including a 72-hour burn in process, and testing at real-world voltages. That will help to not stress the tubes too much. We burn them in for 72 hours, check for excessive current draw, all that good stuff, then match each tube in circuit at real voltages. Aug 2, 2021 · 15% off Yora 6550 Machine. Mar 30, 2022 · Any new production 6550 I usually bias it as if it is a 35watt dissipation even though they may claim they are 42 watt. The higher the current draw, the lower the plate voltage. 6550's in the Herbert for all EL34's and it does not get hot with all duets at 70mA after hours of playing. 6550C-SVT TAD Premium Matched ( SED 6550C winged -C)The TAD 6550C-SVT is a very powerful and dependable choice. 99% of that should have been discovered at the factory and any bad tubes pulled before shipment. I am very pleased with these tubes but was looking to do a little tube rolling to see what else is out there. Some caps need up to 400 hours to get fully burn-in. Super dependable, works well in most all applications. This makes 6550 tube the output tube of choice in high power audio and guitar amps today. Sovtek 6550WE Power Tube, Matched Sextet with FREE 24-Hour Burn-InBrand New with Full Manufacturer's Warranty!Item: 6550WEMSThe Sovtek 6550WD and 6550WE were designed to be the finest 6550's ever produced. Feb 4, 2013 · Currently running EH KT-88's biased at 1. I wonder does it apply to new tubes? I know there is a warm up time of turning on your amp 30 minutes, are all of these a Sovtek 6550WE Power Tube, Matched Quad with FREE 24-Hour Burn-InBrand New with Full Manufacturer's Warranty!Item: 6550WEMQThe Sovtek 6550WD and 6550WE were designed to be the finest 6550's ever produced. If you want to cut to the chase and just read the list, it’s at the end. Sep 23, 2011 · In any event, the B+ level you have chosen and the load you are using will ensure (i. Has anyone found decent 6550 tube,I have tried several,Like Gold Lion KT88,Tung-Sol 6550 EH6550 Russian knock off, all of which failed within one month or DOA out of the box. Kevin Hayes at VAC, and the folks at Quicksilver, prefer KT88s in their amps for full range performance. You can adjust the settings below to your taste and the plate voltage. They're nice and brassy like 6550 should be, with a bold bottom, and clear top. Hard, edgy, irritable. Well, here are a few pointers and things you need to know to get the best out of the YoraHome 6550. Stock tube of many hi-fi manufacturers and in the legendary Ampeg SVT bass amp. Class A operation with those parameters would simply not be possible with these tubes, as they would burn up before you could even use it! Apr 14, 2008 · Of course you might like better the sound of an aged tube, but that's more than what I'd consider burn-in. This particular amp has some upgrade options such as Black Gate capacitors throughout (driver board and power tube cathode bypass) as well as 1W & 2W AN Tantalum resistors on the main driver board. 2010, the TAD 6550A-STR has been manufactured with a stronger and exceptionally pure anode material combination. The Audio Note Kit 2 is a 15 watt Single Ended integrated amplifier based on the 6550 output tube. There's no shortage of amplification in the house.