Sovtek 6sn7, I have compared (listened & measured) NOS RCA
Sovtek 6sn7, I have compared (listened & measured) NOS RCA 6SN7GT's that are used with many hours on them to the Chinese and Sovtek tube mentioned previously. SOVTEK 6SL7GT SOVTEK - 6SL7 / 6H9C / 6N9C Higher gain than a 6SN7 Soviet Russian made NOS, octal base Suitable for Hi-Fi and guitar amplifiers The build quality on these bottles is excellent Need vacuum tubes? Want to build your own amplifier? Have an unhealthy HiFi obsession? We've got you covered. I see Ray’s tubes offers his “reserve” tubes - but they are ungodly expensive compared with anything else. As I have no experience with 6N8P/6SN7, I'd like to have some help from you on the current models available from the most common brands like Sovtek, Electro Harmonix, JJ Tesla, Tung Sol, etc. New production & NOS pre amp compatible tubes from Tung-Sol, Sovtek & other various brands! Le Sovtek 6SN7GT sono valvole NOS sovietiche prodotte a metà degli anni 70's Questa Sovtek 6SN7 GT è un piccolo preamplificatore a doppio triodo, a medio guadagno con base ottale. Nov 13, 2023 · ecac Receita reforça segurança e dá orientações para acesso ao eCAC após exigência de login com conta Gov. 6SN7 variants: [* = definitely a safe 6SN7 substitute] ALWAYS ASK YOUR AMP MANUFACTURER FIRST BEFORE SWAPPING TUBE TYPES!!! 6SN7GT* - First designation of the 6SN7 tube type. com: 6sn7 vacuum tube Check each product page for other buying options. 6SN7GT Sovtek This Sovtek 6SN7 GT is a small pre-amp dual triode, medium gain with an octal base. Mensagem de erro exibida: "A assinatura não foi realizada" - "Ocorreu Veja as 12 respostas. First released before WWII, the 6SN7 found wide use throughout the war, especially in radar equipment. Boa tarde!Mais alguém tentando acessar o eCAC o dia inteiro e ele não entra de forma alguma? Veja as 14 respostas. Se Veja as 27 respostas. The tone control tubes were removed and plates put over the openings. Included is an EFB™ power supply schematic. My receiver uses a 6SN7GT made by Sovtek that I purchased from Antique Electronic Supply. Perfect for enhancing sound. 完全新品。 真空管:NOS品、元箱若しくは白箱入り 9. br Novas diretrizes implementadas pela Receita Federal promovem restrições no acesso aos serviços digitais, reforçando a necessidade de conta Gov. Be sure to insist on genuine Sovtek vacuum tubes the next time you retube. Leia o nosso artigo completo no blog! Apr 4, 2025 · Bom dia,Estou tendo problema para realizar a assinatura de uma procuração no ECAC, estou utilizando o assinador SERPRO. Be sure to insist on genuine Sovtek vacuum tubes the next time you retube -- you'll be getting the | 6SN7 A direct replacement for any 6SN7, 6H8C, 6N8P, 5692 or CV181application. 5相 This remarkable table is courtesy of Eric Barbour at Svetlana Electron Devices. Sovtek 6SN7 are NOS Soviet era tubes made in the mid 70's in the Novosibirsk factory. 数回程度の使用感あり。 真空管:LIKE NEW、白箱入り 7. br para usuários. Ignore the K&K constant current source on the 6SN7 and use the standard configuration. Hi all - so what’s considered the best manufacturer for 6SJ7 and 6SN7 tubes? I’m using the supplied NOS RCA 6SJ7 and Sovtek 6SN7 versions. Electro-Harmonix is the world's leading manufacturer of vacuum tubes, and our tubes are quite simply the absolute best. (Formerly Reflektor) Reliable & great sounding, Sovtek tubes are a perfect choice for any audio need. This one is a direct drop-in replacement for any standard 6SN7, 6SN7GT, or 6SN7GTA tube. Finally if you must have new production both the EH and Tungsol reissues get good reviews, they are made by New Sensor (Sovtek) at their Expo Pul plant. Here is an updated circuit that gets rid of the CF stage. receita. I have had very good results from tubes from the Voskhod factory - it looks like the pictured tubes are from the Novosibirsk factory. 70 Tung-Sol 6SN7GTB - £47. Find many great new & used options and get the best deals for SOVTEK 6SN7 MATCHED TRIODE PREAMP TUBE BRAND NEW HIGH QUALITY TESTED STOCK at the best online prices at eBay! Free shipping for many products! 6SN7 EH 6CA7 EH 6CG7 EH 6L6 EH 6V6 EH 7591A EH EF86EH EL84 EH EL34 EH KT88 EH Genalex GoldLion KT77 GoldLion KT88 Sovtek 12AX7WA 12AX7WA Plemium Selected 12AX7LPS 12AX7WB 12AX7WC 5751 5881 / 6L6WGC 5881WXT Platinum Matched 5AR4 / GZ34 5U4G 5Y3 6550WE 6L6WXT+ 6SL7 6SN7 7027 EF86 EL84 Platinum Matched EL84M KT88 Svetlana 12AX7 6L6GC SV6550C EL34 The amplification factor of 6SN7 is 20, and a plate resistance is approximately 77K, whereas for 6SL7, the amplification factor is 70, and a plate resistance is 44K. It also depends if the cathode has a bypass capacitor or not. - Headings and important sections in RED - Color of opinions quoted corresponds to original thread. Alguém está conseguindo entrar no ECAC? Estou deste segunda-feira passada e não consigo. 真空管(オーディオ・ギターアンプ用など)・電子管や送信管、分光器・OTDR・暗室・IRセンサカードなどの光学機器、高耐圧セラミックコンデンサ、トロイダルトランス、ソフトウェアなどの製品を輸入販売しております。 真空管(オーディオ・ギターアンプ用など)・電子管や送信管、分光器・OTDR・暗室・IRセンサカードなどの光学機器、高耐圧セラミックコンデンサ、トロイダルトランス、ソフトウェアなどの製品を輸入販売しております。 not sure of the source for this i did a factory reset and put all of the stock 6SN7 tubes and stock sovtek rectifier back in. 00 £135. My various components use 6DJ8, 12AX7, and 6SN7 tubes. This Sovtek 6SN7 tube is a small pre-amp dual triode, medium gain with an octal base. ‘G’ = SOVTEK 6SN7 GT ソブテック プリ管 [真空管 6SN7・6SL7、同等管、類似管] 10. However, both 6SL7 and 6SN7 can plug into each other circuits without any damages but will not sound right because the biasing points of both are different. For you solid-staters, let this be a (perhaps frightening) glimpse into that curious medical condition known as "Toob Madness". Shop now on eBay! 【6SN7GT】 真空管 0. com FREE DELIVERY possible on eligible purchases Does anyone know if any of the current manufacturers of 6SL7 and 6SN7 are working on improving their product? I haven't heard very good things about the Sovtek and the Chinese versions. The 6SN7 is an octal tube used either in preamps or as a driver in a power amp. Good reliability and sonic performance at a great price. The big dealers sell NOS American 6SN7s for $20. Thank you very much. Sovteks are found in more tube amps & equipment than any other tube. Sovtek tubes are known for their robust construction and consistent performance. Price 1 off (excluding vat+p&p) Electro Harmonix 6SN7 - £32. 00 Add to Basket Great deals on Sovtek Guitar Amplifiers. I am not sure if the Sovtek 6SN7 are the same as the Reflektor 6H8C or the Meltz 6H8C. Houve alguma mudança ou é problema do sistema mesmo? Veja as 12 respostas. Mar 5, 2024 · NOVIDADE Fim do e-CAC: Receita Federal lança novo Portal de Serviços e última etapa substituirá o atendimento virtual e-CAC será substituído pelo novo Portal de Serviços da RFB em breve. Some tubes may have dust on them, but are new and unused. 00円 在庫数:0本 納期：お問合せ下さい SOVTEK製|16:00までのご注文を翌日お届け、3,000円以上購入で送料無料。【仕様】形式検波、電圧増幅用 双三極管PIN数8PINフィラメント電圧(V)6. com. not a final answer, some improvements were missing. The Sovtek 12AX7 LPS has a spiral wound filament and is supposed to give less hum. Confira como acessar o e-CAC e fazer consultas, parcelamento de débitos e emitir comprovantes. Psvane 6SN7, Black Treasure CV181-Z, Gold Grid (Matched PAIR) £162. As always, I'm faced with the choice between modern production tubes from Slovakia (JJ), Russia (Tung Sol, Sovtek, Electroharmonix) and China vs vintage models at several times the cost. . gov. They are commonly used tubes with good performance. New production & NOS pre amp tubes from Tung-Sol, Electro-Harmonix, Sovtek, Hytron & more! Buy Sovtek 6SN7GT Vacuum Tube: Tubes - Amazon. It is used as original equipment in many currently produced home audio amplifiers. I have a few Chinese (generic) and Russian (Sovtek) 6SN7GT's and they are OK, nothing special. Tube Depot carries a selection of 6SN7 Pre Amp Vacuum Tubes. I have the Cary SLP-05 preamp (with the Ultimate Upgrade), which sounds exceedingly good in most respects. google tubes4hifi and find all of our great products, modifications, and accessories. br. It's a great time to upgrade your home music studio gear with the largest selection at eBay. 14 Price, Matched Pair (excluding vat+p&p) Psvane Hi-Fi Most coin base 6SN7 (mostly late GE) aren't worth worth the trouble. We design and manufacture our tubes, engineered for demanding high fidelity, reliability and overall warmth. Sovtek Reflektor factory 1973, a very desirable date code. Russian 6H8C tubes are essentially the same as 6SN7 tubes. I have not tried them, but the price is crazy. 箱、ケース無し新同品。 March 2004 Toob Madness Or The 6SN7 Zoo Review By Raymond Chowkwanyun Click here to e-mail reviewer T his is a capsule review of how eight different 6SN7 tubes sounded in my system. The Sovtek 6SN7 is a suitable replacement for any 6SN7 tube. Mar 14, 2024 · e-CAC facilita o acesso a diversos serviços da Receita Federal; confira quais são e como acessar. A Reflektor 6H8C came standard with my Saga. the sibilance and brightness went away and the refinement returned. It is used as original equipment in many currently produced home audio tube amplifiers. Price and other details may vary based on product size and color. Amazon. 27 JJ Electronic 6SN7 - £25. 保証書無しか日付記入あり。 真空管:LIKE NEW、ほとんど白箱入り 8. There The CF was originally used with a remote controlled relay circuit. Here is a link to a page that Upgrade your audio with top-quality GE 6SN7GTB tubes, including rare and matched options. 39 Electro Harmonix 6SN7 Gold - £56. Jul 14, 2025 · Bom dia!Estamos tentamos acessar o e-CAC desde cedo e sempre aparece a seguinte mensagem: Prezado Usuário, não foi possível validar os seus dados nas bases cadastrais da Receita Federal. Feb 3, 2026 · Boa tarde!Mais alguém com esse mesmo erro ao acessar o e-Cac ?"Não é possível acessar esse siteVerifique se há um erro de digitação em cav. I’m using match quad KR KT88 power tubes. It is extremely useful for identifying Russian tubes. Does any one know how to put pressure on a Find many great new & used options and get the best deals for SOVTEK 6SN7 PREAMP TUBE BRAND NEW HIGH QUALITY TESTED STOCK at the best online prices at eBay! Free shipping for many products! I'm buying some replacement tubes for my preamp, which uses 6SN7 tubes. Tube Depot carries a selection of 6SL7 Pre Amp Vacuum Tubes. Fast & Free shipping on many items! But there is always mystery with Russian tubes. I haven't had experience with 6SN7's, but have a lot of NOS Russian tubes (6N1P, 6N23P, 6P3S) and often find in my system and for my tastes they outperform far more expensive American and European NOS tubes and New Production tubes. Sovtek tubes are quite simply the absolute best. 3Vフィラメント電流(mA)600mA定格プレート電圧(V)250V定格プレート電流(mA)9mA増幅率(μ)21. Sovtel 6SN7GT Parts Shopトップページ 真空管【用途別】 現行電圧増幅管 真空管【品種別】 6SN7 6SN7 商品カテゴリ 真空管【品種別】 6SN7 真空管【用途別】 真空管【メーカー別】 真空管【品種別】 トランス コンデンサ 抵抗 真空管ソケット 各種小物パーツ ケーブル・配線材 6SN7 double triode Valve A medium-mu twin triode is used in resistance-coupled circuits, such as voltage amplifiers or phase splitters. fazenda. Some claim it is the same as Amperex Bugle Boy. Por favor, Veja as 81 respostas. Dec 27, 2024 · Bom dia. Swapping out an old, microphonic, or worn-out tube can breathe new life into your amp – you might notice clearer highs, tighter lows, and less noise. Unfortunately, it's sorely lacking in rhythmi 6SN7GT Sovtek, Matched, Balanced Matched & Balanced selected premium tubes This Sovtek 6SN7 GT is a small pre-amp dual triode, medium gain with an octal base. 31 Sovtek 6SN7 - Unavailable Russian 6SN7GT - £8. Tubes4HiFi OCTAL 6SN7 driver board for Dynaco MK3, KIT with all parts except tubes. For me hum (cathode not bypassed) was one of the reasons to move away from the 12AX7 and replace it with the 2C51 / 5670 / 6N3P. For a receiver such as this, however, just about any brand of 6SN7 will do, and a used one will work fine, provided it isn't worn out. (Código: 21107 - 5910DCEC)Prezado Usuário, ocorreu um erro no sistema que impediu a validação Veja as 10 respostas. The best 6SN7/GT made in my opinion is a USA NOS (any brand). Sep 9, 2025 · Bom dia,Tento entrar no Ecac e diz a seguinte mensagem:"Atenção. 1wew, 6mmp, fmqtx, 5ilgt8, rnjntf, ihqz, qq0lp, hs4xy, t1xtz, kv3i,