Warning •There are high voltage present when working on a TV-7. You are covered by the eBay Money Back Guarantee if you receive an item that is not as described in the listing. A few metal shop videos, a few electronics videos and of course the obligatory cat video every now an again. The biggest reason people put 2nd-tier '60s tubers on eBay is wanting to avoid paying as much in maintenance as the amp is worth. Blueglow Electronics not the same tube just left N right. (2 voltmeters) The dots moving are electrons flowing. Give people more reasons to Follow you!. + Items in search results Blueglow Electronics 34,979 views. Firearm Discussion and Resources from AR-15, AK-47, Handguns and more! Buy, Sell, and Trade your Firearms and Gear. There are a ton of other videos on vintage rebuilds and they are informative and go slow. for sale is one working linn vahalla power supply with power switch. I watched a 9 part episode on building the Dyna Mark 3's. Based in United States, blueglow_electronics has been an eBay member since Jul 26, 1998 Use this space to tell other eBay Members about yourself and what you're passionate about. Warning •There are high voltage present when working on a TV-7. There may also be info about woodworking and any other hobbies/in. Vintage Audio (record players, hi-fi etc). If you still have the pieces of glass, piece it together. Las mejores ofertas para Rca JAN-CRC-5693 6SJ7 - 1962-Bajo Ruido-Test Nuevo están en eBay Compara precios y características de productos nuevos y usados Muchos artículos con envío gratis!. Click here for tips on using our search. That is dishonest and and to me, an outrage. com Save pioneer pl 400 turntable to get e-mail alerts and updates on your eBay Feed. Join Facebook to connect with Bob Hall and others you may know. Many of the Russian ebay sellers have run out of the 600v rated K40 PIO caps, so have tried the Jupiter vintage tone, or the Jensen Copper foil caps. Find out if any of the high-level categories or subcategories you are currently listing in are affected. With a soldering iron, some basic tools, and a functional knowledge of electronics and schematics, the smart hobbyist can save some money while constructing a unique, great sounding amplifier. There are a ton of other videos on vintage rebuilds and they are informative and go slow. Threads started on or before 8/10/04 are archived Here. BG236 - Why you should replace coupling capacitors in vintage gear and how to best go about it. bk-investico. Some time try the MC240 with KT88s in place of the 6L6 outputs; more dynamic, with more of an ease to the sound. The Sansui 9090 is a high output version of the 8080 stereo receiver. The LeapFrog Leapster Explorer Recharger includes a recharging base, rechargeable battery pack and AC adapter. From 1996 to 2010 I repaired, re-sounded and created cool Vacuum Tube electronics in the Seattle area under the name ReSounding Amplification. … McINTOSH MC 150 POWER AMPLIFIER WITH ORIGINAL McINTOSH OWNER MANUAL. BG162 - a little info about our current shop status 3-11-2018. This great old tube amplifier sold from our eBay store: How to repair Heathkit W4 AM Tube Mono Audio amplifier 5881 D-lab electronics. I've built a Blueglow KT88 as a first try into tube world. están en eBay Compara precios y características de productos nuevos y usados Muchos artículos con envío gratis!. com - The Elvis Presley Record Research Database. BGMicro electronic kits are excellent for electronics education, soldering practice and for building your own low cost, high quality electronic hobby kits. Over the years, the L100 became the bestselling loudspeaker in JBL's history. bk-investico. com is proud to have collaborated with Joseph A. for sale is one working linn vahalla power supply with power switch. ms-electronics*net in eBay-Profilen folgen. Blueglow Electronics. + Items in search results Blueglow Electronics 34,979 views. The CT-800 continues to work fine and sound great. And a few other tube. BG162 - a little info about our current shop status 3-11-2018. Servicing a Vintage Pioneer SX-838 Receiver. Tube amps do create a lot of heat when they are running. Enjoy my restored selection of vintage sound! Hier können Sie anderen eBay-Mitgliedern etwas über sich und Ihre Interessen mitteilen. This Short Article Consists of An Array Of Ideas Associated With Berlin Shower Curtain Set by Latitude Run Buying. Valves I am using : 1. The 6SN7 tube is a dual-triode preamp tube with medium gain. DIY and Hi-Fi Audio Schematics. I'm however interested in whether setting up the SQD-2020 according to the Service Manual is necessary, or only needed if something's obviously wrong. My passions are aviation, music and electronics, which led me to this wonderful world of tube amps. There is a large, dedicated number of Berlin Shower Curtain Set by Latitude Run consumers out there, and even for good cause. Misty electronics ebay keyword after analyzing the system lists the list of keywords related and the list of websites with related content, in addition you can see which keywords most interested customers on the this website. How to match LED forward voltage drop values. Kaufen, Verkaufen und Sammeln auf eBay war noch nie so aufregend! blueglow_electronics. Threads started on or before 1/31/05 are archived Here. Find great deals on eBay for mcintosh mc205 and mcintosh amplifier. NOS MATCHED PAIR - 6P3S Russia / USSR Vacuum Tube - equivalent to 6L6 / 6CN5 - NOS - TESTED - VERY GOOD. Blueglow Electronics not the same tube just left N right. están en eBay Compara precios y características de productos nuevos y usados Muchos artículos con envío gratis!. Upcoming Video Games; Digital Games; Pre-Owned Games. Whether you are looking for a new bicycle or a used couch, Kijiji has what you're looking for. Selling because of knee. This is the interior wiring of our VTA ST-120 amp. Kaufen, Verkaufen und Sammeln auf eBay war noch nie so aufregend!. Dieses Angebot wurde beendet. 1 pcs - Brand New - JJ Electronics High Gain EL34 / 6CA7 Vacuum Tube The Tubes have been tested using Calibrated Hickok TV-7D/U and confirmed in good condition and in specification. com The Definitive Vinyl Artwork of Elvis Presley 1956-1977 (December 2015) contains most of the original photography for the albums, singles and extended plays released in Elvis Presley's lifetime. Included are schesmatics for diy amplifiers and for some popular vintage Hi-Fi Audio Components. From personnel experience testing vacuum tubes, Russia / USSR Vacuum Tubes showed very consistence / very uniform Gain - GM among the tubes. Give people more reasons to follow you. Near equivalent: 6L6 and 6CN5. eBay Money Back Guarantee. NOS MATCHED PAIR - 6P3S (Cyrillic: 6П3С) / 6L6 / 6CN5 - USSR Vacuum Tube - Tested - Very Good Condition. it I agree with you 100% on rebuild as is. Kenwood KR 9600 Repair, recap and upgrade, What we do? We are making a great worldwide video search engine website ! Our vision. Well, after a while it wouldn't power up any more at all, and I put it in the 'fix it someday' amp stack. Threads started on or before 8/10/04 are archived Here. See contact information and details about Blueglow Electronics. Hickok TV-7D/U calibrated as per Blueglow Electronics procedures and Standard Tubes. donbonn1 in eBay-Profilen folgen. You are covered by the eBay Money Back Guarantee if you receive an item that is not as described in the listing. Whether you are looking for a new bicycle or a used couch, Kijiji has what you're looking for. I once took five voltmeters and compared values and three of them ended up in the can. Many of the Russian ebay sellers have run out of the 600v rated K40 PIO caps, so have tried the Jupiter vintage tone, or the Jensen Copper foil caps. (2 voltmeters) The dots moving are electrons flowing. Also, there are a few YouTube channels with very good video series on this subject. Kaufen, Verkaufen und Sammeln auf eBay war noch nie so aufregend! blueglow_electronics. 303 Follower. Comprare, Vendere, raccolta su eBay non è mai stato più emozionante!. Flickr is almost certainly the best online photo management and sharing application in the world. How to match LED forward voltage drop values. There are enough guys out there calling themselves repairmen or even experts who just rip out any parts they think should be pulled, some of which then end up on ebay for high $. Any of the three VTA amp kits may be used in a biamp configuration without the need of an outboard active crossover. You're covered by the eBay Money Back Guarantee if you receive an item that is not as described in the listing. A VTA ST-70 amp being driven by a VTA PH-14X phono preamp and a VTA SP-14 preamp. For sale is a stylish and almost new NIKE+& TomTom GPS Running Sportswatch in Anthracite Blueglow color- Will be sold with manual. at least they used to - vlad may have chenged; i dunno. he even did a video which you can view on youtube. After the resounding victory of successfully building an extremely complex, time-consuming bleed resistor, I've decided to take aim at a dummy load so I can test builds under load while on the workbench. elvisrecords. A few years back I did a temperature test of our VTA ST-120 amp using KT120 output tubes. Residente en Filipinas, norelco_2009 es usuario de eBay desde 19 ene 2009 Usa este espacio para contar algo sobre ti y tus aficiones a los usuarios de eBay. USB cable, and original box. Las mejores ofertas para Nuevo En Caja Ge 12BH7A Tubo-Gris Placa-emparejado placas-Bajo Ruido-Test Nuevo están en eBay Compara precios y características de productos nuevos y usados Muchos artículos con envío gratis!. Little Dot Tube Amps: Vacuum Tube Rolling Guide with tracks heavier on the electronics and without too much been waiting for a good deal to pop up on eBay. Valves I am using : 1. An update on what we have going on at Blueglow Electronics, Terry DeWick retiring, why do vacuum tubes need high voltage, an update on the transformer rewinding business, and a few other ramblings. 1 pcs - Brand New - JJ Electronics High Gain ECC81 / 12AT7 Vacuum Tube The Tubes have been tested using Calibrated Hickok TV-7D/U and confirmed in good condition and in specification. Ebay is beginning to restrict international shipping of vacuum tubes. A community dedicated to helping everyone learn the art of audio. Working, but speakers cracking. 6h8c's come stock in the audio mirror amps. Warning •There are high voltage present when working on a TV-7. Blueglow Electronics, Mocksville, NC. + Items in search results Blueglow Electronics 34,979 views. How we plan to test tubes to ensure they are truly premium tubes. For sale is a stylish and almost new NIKE+& TomTom GPS Running Sportswatch in Anthracite Blueglow color- Will be sold with manual. 833-BGMICRO (833-246-4276) Items and amount: 0 and $0. From personnel experience testing vacuum tubes, Russia / USSR Vacuum Tubes showed very consistence / very uniform Gain - GM among the tubes. My intent when I get to it, is to make another for a stereo pair. Marantz 2250b clean potentiometers ore potmeters how to do. It turns on, but the tube don't glow. Quite different from "the Army way" as spelt out in their 1960 vintage FIELD AND DEPOT MAINTENANCE MANUAL. Any unused difference between the discount amount, as shown on the Coupon, and the purchase price of an item(s) in a single transaction (or cart) will be forfeited. Wholesalebuying is an online shopping store provides clothing, jewelry, gadgets and consumer electronics at cheap wholesale price from China. Vintage Audio (record players, hi-fi etc). Blue Glow - We often get asked if blue glow inside of a vacuum tube is a sign of a defect. I have 2 Fisher 500 units that i want to marry but know very little about them. Power limiting factors on the original Dynaco ST-70 amp and comparison with the present VTA amps. This Short Article Consists of An Array Of Ideas Associated With Berlin Shower Curtain Set by Latitude Run Buying. TiVo-Like Devices for Radio? 96 Posted by Cliff on Friday January 10, 2003 @08:52PM from the anything-but-clear-channel dept. Great for tracking runs with internal GPS. Find Fish Lure 10 available for purchasing here. You just remove the strap that. com The Definitive Vinyl Artwork of Elvis Presley 1956-1977 (December 2015) contains most of the original photography for the albums, singles and extended plays released in Elvis Presley's lifetime. You are covered by the eBay Money Back Guarantee if you receive an item that is not as described in the listing. Chaney Electronics is the leading designer of the best electronic soldering kits that are the highest quality and lowest priced educational electronic kits. Vind tube tester in ons breed assortiment Beeld & Geluid. 1 of the Foreplay. ca and cafr. I watched a 9 part episode on building the Dyna Mark 3's. 2)8 ohm loads for testing 100w lots of containers for screws and parts. Lycka till ! Farbror Baggen. For more information, visit www. 1 pcs - Brand New - JJ Electronics High Gain ECC81 / 12AT7 Vacuum Tube The Tubes have been tested using Calibrated Hickok TV-7D/U and confirmed in good condition and in specification. Las mejores ofertas para Cinta de cassette de calibración de configuración de velocidad 3000Hz y 3150Hz con un montón de tonos de prueba. Bose Soundlink Revolve Plus: 18 customer reviews on Australia's largest opinion site ProductReview. Kaufen, Verkaufen und Sammeln auf eBay war noch nie so aufregend!. Threads started on or before 1/31/05 are archived Here. Thankfully, it is rarely a sign of a defect at all. Threads started on or before 8/20/04 are archived Here. Bob from vintage electronics does the same thing! - fuloi but I'll ask anyway - blueglow 10:20:02 02/06 eBay sees excessive shipping fees as an attempt. Vacuum Tubes. I went on You Tube and found this newish site called (Blueglow Electronics). bk-investico. Our collection of Hi-Fi Audio Schematics. The video does not contain all the wiring steps but should give. With a soldering iron, some basic tools, and a functional knowledge of electronics and schematics, the smart hobbyist can save some money while constructing a unique, great sounding amplifier. BG162 - a little info about our current shop status 3-11-2018. You just remove the strap that. ca, with an address located in the United States, Canada, Latin America or the Caribbean are eligible for the Coupon. Kollektionen. Show off your favorite photos and videos to the world, securely and privately show content to your friends and family, or blog the photos and videos you take with a cameraphone. Bluedio Turbine Hurricane H Plus Bluetooth 4 1 Stereo Headphones w Mic SD FM | eBay. See more ideas about Plywood interior, Satisfying photos and Breaking bad seasons. Sansui 9090 for sale | eBay ebay. Pioneer PL-112 Turntable Repair and Service BG014 Blueglow Electronics How to Trouble Shoot Tonearm Connectivity Issues & Replace RCA DA: 40 PA: 65 MOZ Rank: 26. Give people more reasons to follow you. … The McIntosh MC205 amplifier delivers all the explosive dynamics that high-performance home theater systems require by delivering 200 watts of power to …. Servicing a Vintage Pioneer SX-838 Receiver. How we plan to test tubes to ensure they are truly premium tubes. Another Youtube video of VTA tube gear in action. Facebook gives people the power to share and makes the world. [email protected] Valves I am using : 1. Looking for electronic kits, robot kits, robotic kits, STEM projects, science kits, electronic test equipment, electronic plans or books on electronics or robotics? Carl's Electronics has what you are looking for. Kaufen, Verkaufen und Sammeln auf eBay war noch nie so aufregend! blueglow_electronics. Projects by fanatics, for fanatics!. Kollektionen. ) here's one (of many) posts on the web about the 6h8c tubes:. Find great deals on eBay for tube tester and valve tester. Find many great new & used options and get the best deals for IEC MULLARD Matched Pair 12AX7 Tubes - Matching Dates & Gm - Low Noise- Test NEW at the best online prices at eBay!. Sep 24, 2019- Explore JoahLeu's board "Funny" on Pinterest. Blueglow Electronics. 0% blueglow_electronics has 100% Positive Feedback Save this seller. Projects by fanatics, for fanatics!. com Save pioneer pl 400 turntable to get e-mail alerts and updates on your eBay Feed. We may receive commission if your application for credit is successful. For sale is a stylish and almost new NIKE+& TomTom GPS Running Sportswatch in Anthracite Blueglow color- Will be sold with manual. Matt video (PT2M17S), you can convert to mp4, 3gp, m4a this Wargos electronics sansui 1000a. Domain Search: Search Now. I been passes a few messages back and forth with Mark @ Blueglow Electronics and he's suspecting a power supply \ Preamp issue. TV-7 Series Tube Tester - Calibration Tube Set suplied by Blueglow Electronics. Alberto Molina Hernandez descrubrió este Pin. No matter who does it, with a refreshed power supply, the amp will sound dramatically better; cleaner, tighter bass and tinklier highs it really makes a big difference good luck with it. BG209 - Wiring up the KT88 cathode bias resistors, 6N1P driver tube, how to select LEDs for your cathode bias on the driver tube. Servicing a Vintage Pioneer SX-838 Receiver. Used lightly for 1 month. For your tubes: you still have them on Ebay, you can try amateur radio web. Electronics » Repair » Can't believe I'm asking this - let's talk about vacuum tubes. It was a commonly used tube from the early 1940's into the late 1950's. I did go in and use electronics cleaner on the tuning cap, and lubed the bearings. heart; Write a review on hickok tester. I watched a 9 part episode on building the Dyna Mark 3's. The CT-800 continues to work fine and sound great. I used sewing machine oil for years but then after 5-8 years customers would bring back their units and it was as gummed up as the original factory oil. Over half way done wiring up the amp at this point and am happy with how it's coming along. Tools Checker. Warning •There are high voltage present when working on a TV-7. The Jameco Difference. I have a gold SP-3A-1 that was bought on eBay for $700 in. The 6SN7 tube is a dual-triode preamp tube with medium gain. Blueglow Electronics TV-7 Tube Tester Calibration & Service, a Practical Guide v1. Whether you are looking for a new bicycle or a used couch, Kijiji has what you're looking for. >> does any thing have to be changed to use this tubes in a maco 300 > The Maco 300's I have seen cam with 2057's in them. Warning •There are high voltage present when working on a TV-7. We have 19 images about Ring Floodlight Cam 2 Pack including images, pictures, photos, wallpapers, and more. Valves I am using : 1. Give people more reasons to follow you. Threads started on or before 2/10/05 are archived Here. elvisrecords. Pioneer PL-112 Turntable Repair and Service BG014 Blueglow Electronics How to Trouble Shoot Tonearm Connectivity Issues & Replace RCA DA: 40 PA: 65 MOZ Rank: 26. bk-investico. If you go on YouTube and look up Blueglow electronics "marantz faceplate" it's a step by step video of everything the guy above typed out. 303 Follower. Matt video (PT2M17S), you can convert to mp4, 3gp, m4a this Wargos electronics sansui 1000a. oldrottenhat1985 bevindt zich in Verenigde Staten en is lid van eBay sinds 05 feb 2002 Hier kun je andere eBay-leden iets vertellen over jezelf en je interesses. Skip navigation Sign in. The people here will be a huge resource, as is the book I mentioned above. Blueglow Electronics. This amp was built by customer Joe Popp from NY state. Marantz 2250b clean potentiometers ore potmeters how to do. 2 January 2018. Domain Search: Search Now. Hickok TV-7D/U calibrated as per Blueglow Electronics procedures and Standard Tubes. I wound up putting a few small mods in to (successfully) tame hum. Upcoming Video Games; Digital Games; Pre-Owned Games. Blueglow Electronics 3 года назад Not trying to debate what you are doing but I've found the synthetic motor oil to hold up much better over time. I watched a 9 part episode on building the Dyna Mark 3's. BG236 - Why you should replace coupling capacitors in vintage gear and how to best go about it. Please help. (as well as 6h9c's instead of 6sl7's. Vacuum Tubes. One cannot have a YT channel without cats. This Short Article Consists of An Array Of Ideas Associated With Berlin Shower Curtain Set by Latitude Run Buying. See more ideas about Best headphones, Ear phones and Headpieces. Feel free to send us your hi-fi audio schematics and we will add them here. Show off your favorite photos and videos to the world, securely and privately show content to your friends and family, or blog the photos and videos you take with a cameraphone. Unfollow tube tester tv-7 to stop getting updates on your eBay feed. A side project from the 807 Single Ended Amplifier project we have underway. Its a side business we have b. You could improve that to 4 and will get the benefits of a proper impedance balanced setup rather than just floating balanced. Find many great new & used options and get the best deals for IEC MULLARD Matched Pair 12AX7 Tubes - Matching Dates & Gm - Low Noise- Test NEW at the best online prices at eBay!. I think this is the zero return the one on the right is the reset. Bob from vintage electronics does the same thing! - fuloi but I'll ask anyway - blueglow 10:20:02 02/06 eBay sees excessive shipping fees as an attempt. 2 January 2018. 6 out of 5 stars for Bose Soundlink Revolve Plus in Portable Speakers. Selling because of knee. Again Thank You Mark for responding with the little time you had. There are a ton of other videos on vintage rebuilds and they are informative and go slow. > If yours doesn't have them in it, then you need to see how it. Låt renoveringen ta tid och sug på karamellen, när du gjort jobbet själv är du extra stolt. Many of the Russian ebay sellers have run out of the 600v rated K40 PIO caps, so have tried the Jupiter vintage tone, or the Jensen Copper foil caps. It turns on, but the tube don't glow. This amp was built by customer Joe Popp from NY state. 2 SSD Drive Asus B450M-K with latest bios Thermaltake H18 mATX case Thermaltake 550 Litepower PSU Armageddon RGB fan controller with 3 extra RGB fans (total 5 RGB fans in case, plus one non RGB) and remote. Kollektionen. Elvisrecords. Blueglow Electronics. Find out if any of the high-level categories or subcategories you are currently listing in are affected. Blueglow Electronics. Blueglow Electronics not the same tube just left N right. If you still have the pieces of glass, piece it together. Great for tracking runs with internal GPS. Might try again. This is our collection of DIY and Hi-Fi Audio Schematics. Descubre (y guarda) tus propios Pines en Pinterest. Enjoy my restored selection of vintage sound! Hier können Sie anderen eBay-Mitgliedern etwas über sich und Ihre Interessen mitteilen. So whilst in perfect working order, the item and packaging(not always original) may have cosmetic marks. Tools Checker. com - The Elvis Presley Record Research Database. Its a side business we have b. Kollektionen. están en eBay Compara precios y características de productos nuevos y usados Muchos artículos con envío gratis!. Find great deals on eBay for hickok tube tester and valve tester. 1 pcs - Brand New - JJ Electronics High Gain ECC81 / 12AT7 Vacuum Tube The Tubes have been tested using Calibrated Hickok TV-7D/U and confirmed in good condition and in specification. Matched pair Golden Lion KT88's 3. BGMicro electronic kits are excellent for electronics education, soldering practice and for building your own low cost, high quality electronic hobby kits. Ensure that the fun and learning of the LeapFrog Leapster Explorer keep going for hours with the LeapFrog Leapster Explorer Recharger. donbonn1 in eBay-Profilen folgen. After the resounding victory of successfully building an extremely complex, time-consuming bleed resistor, I've decided to take aim at a dummy load so I can test builds under load while on the workbench. Find great deals on eBay for tube tester and valve tester. That was one of Bottlehead's early designs and was ripe for dozens of mods. Blue Glow in Tubes, Tube Getters, and other Tube Info. Electro-Harmonix owns 100% of the largest remaining vacuum factory in the world. I did go in and use electronics cleaner on the tuning cap, and lubed the bearings. Also, there are a few YouTube channels with very good video series on this subject. A few metal shop videos, a few electronics videos and of course the obligatory cat video every now an again. You're covered by the eBay Money Back Guarantee if you receive an item that is not as described in the listing. The CT-800 continues to work fine and sound great. I think this is the zero return the one on the right is the reset. eBay Money Back Guarantee. Valves I am using : 1. Las mejores ofertas para Rca JAN-CRC-5693 6SJ7 - 1962-Bajo Ruido-Test Nuevo están en eBay Compara precios y características de productos nuevos y usados Muchos artículos con envío gratis!. Servicing a Vintage Pioneer SX-838 Receiver. Includes connection to Nike+ community online and has personal coach feature and reminders. Projects by fanatics, for fanatics!. Blueglow Electronics not the same tube just left N right. With a soldering iron, some basic tools, and a functional knowledge of electronics and schematics, the smart hobbyist can save some money while constructing a unique, great sounding amplifier. Kollektionen. Find great deals on eBay for tube tester and valve tester. Based in United States, lexmoses has been an eBay member since 02 Feb, 2000 Use this space to tell other eBay members about yourself and what you're passionate about. We enjoy making videos of our repairs and restorations at Blueglow Electronics. Triode #1 and Triode #2 are NOT matched as ECC81 / 12AT7 has 2 Triodes in single tube. You are covered by the eBay Money Back Guarantee if you receive an item that is not as described in the listing. at least they used to - vlad may have chenged; i dunno. For your tubes: you still have them on Ebay, you can try amateur radio web. Blueglow Electronics. If I I have a solid foundation in electronics. We service both tube and solid state equipment. You just remove the strap that. I've built a Blueglow KT88 as a first try into tube world. 2018年04月17日国际域名到期删除名单查询,2018-04-17到期的国际域名. Shop online now, or visit our electronics store Seattle location. Find many great new & used options and get the best deals for TV-7 Series Tube Tester - Calibration Tube Set - TV7 TV-7-D/U TV-7 at the best online prices at eBay!. 833-BGMICRO (833-246-4276) Items and amount: 0 and $0. Marantz 1090 stereo amplifier vintage - Amplificatore Marantz Vintage modello 1090 fine anni 70 45+45 watt RMS. I used sewing machine oil for years but then after 5-8 years customers would bring back their units and it was as gummed up as the original factory oil. Valves I am using : 1. Shop with confidence. An update on what we have going on at Blueglow Electronics, Terry DeWick retiring, why do vacuum tubes need high voltage, an update on the transformer rewinding business, and a few other ramblings. ¡Haz que te sigan!. I have a gold SP-3A-1 that was bought on eBay for $700 in. Many of the Russian ebay sellers have run out of the 600v rated K40 PIO caps, so have tried the Jupiter vintage tone, or the Jensen Copper foil caps.