This result is extremely close to two nos tung sol 7236 tubes which I planned sell as a matched pair message me if you're interested in those. Sep 11, 2014 · Equaliser. Anyway the price is low, it worth the try. Rare Victoreen Cleveland Ohio 7235 NOS NIB Round Grey Plate Serious Tubes R282. For secondary emissions, some power tubes like 7236 & 6080 have carbon plates, zirconium coated plates and graphite plates. May 20, 2012 · One thought on “ Cetron 7236 ”. There are 6N3P, 6N3P-E, 6N3P-EB, and 6N3P-DR variants. Tube YL 1240 or Röhre YL1240 ID20475, Double Beam Power Tube, Novar, B9E = bigger than Noval, USA 1959 and Frequency converter shown. They are known for having a very punchy and fast sound signature. Note: Lower temperature will slow down the reaction times. Radio tubes are valves. For example, the RCA 12AU7 clear too is supposed to be one of the cleanest sounding preamp tubes available. 6AS7-family (ST-bottle/"Coke" bottle): Good "normal priced" tube: RCA Black Plates 6AS7 (g) "Best" expensive tube: GEC CV2523 (6AS7G) 6080-family (Smaller bottle) Normal-priced. The amplifier stage in this new original design uses all Jan 21, 2015 · Tung Sol 7236 NOS vacuum tubes buizen matched pair Marktplaats €180 Nov 1, Tung Sol 7236 Matched pair NOS (6080, 6as7g equivalent) Head-fi $220 Oct 21, 2023 350-7236: TUBE AS | Cat® Parts Store Jan 3, 2013 · Jan 3, 2013. 8 g) 1 cal/ml Pipes / Tubes Material number EN ASTM Non-alloy 1. Military grade means improved tighter and deeper bass! Open mid-range, detailed treble, better timing and overall cohesion. Tough to find. Aug 26, 2020 · 6BM8, ECL82. The goal here is just to list the main equivalents that may work in your amp's circuit. The correct Russian equivalent to the 6DJ8/ECC88 is the 6N23P, the latter has a S of 12. I provides great detail and superb depth. 1967. Tubes are so personal and good to me might be horrible to others. For the 6AS7 tube you can use 6080, 7236 among others tubes as equivalents. Tungsram E88CC / 6922 Preamp Vacuum Tube. This is perhaps more available as the N78 or CV2179. 00: 5998. Great substitute for a more solid state sound from your amp that uses 6080, 6as7 power tubes. The Original, Developed & Patented by Tung-Sol $ 68. Price is for a Single Tube. The 7236 tube type is an amazing sounding military replacement for a 6080 or 6AS7G. Likes. E is a bit higher grade than regular 6N3P, where EB is for high reliability, and DR designated tubes are the highest durability grade. Octal, IO) K8A, USA 1935 and Power/Output shown. But these tubes are NIB & NOS. 3/8. He had some NOS tubes of this variety available, traded in by a customer, so I bought a set When you want the very best sounding audio tubes, shop at Tube World Express. Since you are in Europe (right?), You may be able to get a hold of a Brimar cv1988 driver tube (British tube equivalent of 6sn7) for a decent price. In my system, I sounded about as good as nails on a chalk board. The sound is very similar to 5998, but definitely not as relaxed, so for female vocal jazz I would go with 5998. 8 compared to 5. And in my humble opinion, Canadian made tubes from the golden era of tube making are as good or better than USA made tubes. But it generates a lot of heat and incandescent don’t last all that long. The EH tube made use of available tooling and is a Magnoval which have larger 0. Spoiler: it’s not rocket science, but it sure feels like it. You can try to find a Thomson 6080 tube. The tester was as described and as pictured, delivery was fast, the tester was packed well Stark 9-66 Mutual conductance tube tester for parts or repair #2 (#166605409259) Jan 30, 2003 · I am also an Eartube owner and yesterday corresponded with Jan Meier about tube rolling in the Eartube. 5 mA/V and a gain of 33. This is a used Military pull with a 30 day guarantee. Did I miss any equivalents? 6080 - low gain @ 2- great vocals, wide soundstaging 7236 - medium gain - great bass, fast and dynamic. In common slang it is often referred to incorrectly as a 9 pin compactron. 0570 St 52-3 S355J2H (1. The tubes, and some possible tube type substitutions: 6SN7GT Jun 8, 2016 · Hey guys, new to tube rolling and running a bottlehead crack + speedball at the moment with a Raytheon 6080wb tube. The test results using a b k 747 dynamic mutual conductance tube tester are with neither shorts nor gas. Two other tubes that are often mentioned in discussions of 6AS7G equivalents are the 6528 and 6336. Manage My Equipment Nov 16, 2023 · Guess what? It wasn’t. $34. Jan 5, 2018 · I bought a 6J1 tube buffer. Rent Products. Replaces 7236 vacuum tube types. The 5670 has similar specs to the 6N1/6N1P but the socket needs to be re-wired. These are a pair of popular yet hard to find Sylvania 7236 power tubes. The 6N1 (Chinese) / 6N1P (Russian) have a higher heater current draw at about 600mA, the ECC85 has a 435mA heater current draw. Availability: Usually ships within 24 hours. Tested very well and bought from a reputable dealer awhile back [Vacuum Tube Cross Reference Table ]Analog Metric www. Structurally they extremely similar although Tung-sol that I have is from 1962 and Cetron is from 1978. The 12AX7 has a gain factor of 100, while the 12AT7 has 60. 0254 St 37. Sep 15, 2020 · The biggest difference between these power tubes is the amount of gain they will provide. The 12AT7 is a miniature, high-mu twin triode designed for use as a grounded-grid radio-frequency amplifier or as a combined oscillator and mixer at frequencies below approx 300MHz. About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright Re: Need Help Choosing 6N1P tubes. I decided to use a small nylon brush to clean out the socket and now the 7236 tubes are working and everything test normal. 6AS7-G Original, The Classic 1950’s RCA Tube $ 66. Great, best in fact, for your Woo Audio headphone amps. #2. Getter is a bit different (tung-sol has more coverage with the getter), but that’s about it. GL-6072 GE "5 Star" triple mica black plates "O" getter halo 1962 like new $ 219. See also: American/European Tube Equivalents. Item has been added to your cart. I sold the amp but have the tubes. That means the driver tubes can be switched out for 6N8S, CV181, ECC32, 5692 and 6F8G tube types. Let my tale of tire woes be a cautionary one – the wrong tube can lead to a deflating experience, literally. This makes it suitable for high-impedance headphones like the Sennheiser HD 650 and ZMF dynamic headphones like the Atticus and Aeolus. GREAT BASS AND GREAT SOUND ALL AROUND. See also Soviet Tube suffixes. I would go for the 7236 as they provide the warmth of the 5998 model and extremely tight and defined bass that is typical of the 7236 variety of tubes. Cetron bought out Tung-Sol and made the 7236 with the same specs as the Tung-Sol and numbered it PN3213999. The lower gain of the 12AT7 and 12AU7 also allows them to have a higher headroom, which can provide a warmer and cleaner sound. It is therefore inaccurate to say that these two tubes are identical. Some tubes used fins on grid rods to help with the reduction of grid temperature. com. Dec 21, 2008 · A week ago I received tube (SET) headphone amp with 6H13C tube for two weeks. Nov 2, 2004 · 1. The 7236 also shares the higher gain of the 5998 so I tend to avoid it as well. Both tubes read out at 200-300 on the GM meter, unlike the 5000-5800 for other tubes marked 6AS7G (Min 1800). Assorted brands in stock. 12. 6 g) Jevity® 1. 038" (1. Modern Russian tubes are, generally, good, but not as good as either NOS Soviet or Western tubes. They are a France made tube (maybe more readily available in UK) A buddy of mine said they can help bring that sparkle/airy in the top range. Feb 11, 2014 · For Grid emissions, tubes like 6P45P and 6P14P-EV have grid plated with gold with a mixture of platinum, which has very low relative emission. 00 Add to cart; 5R4GY RCA (Brown Base) Rectifier Tube in Original RCA Box. I would not suggest others trying the ECC85 as a drop in replacement for a 6N1 because it is not. Two important notes on the 421a, it is a double triode so only one power tube is needed. The 7236 power tube is considered a nice upgrade to standard 6AS7 tubes in equipment like Woo Audio headphone amps. 95. 6Ф4П (6F4P) 6DQ8, 6DX8, ECL84. Hours: 8am-8pm Tuesday-Friday (To complete and catch up on previously placed orders I will be closed on Mondays and Saturdays until further notice. Data via Franks site is astonishing - a PP pair as triodes can achieve 6 watts output when provided with HT of 350v - that's better than EL84s and lower distortion too. A ELECTRO-HARMONIX 6922 is a good sounding tube, but the REFLECTOR 6N23P-EB is better as is a MULLARD ECC88. Tung Sol 7236 NOS vacuum tubes buizen matched pair Marktplaats €180 Nov 1, Tung Sol 7236 Matched pair NOS (6080, 6as7g equivalent) Head-fi $220 Oct 21, 2023 Tube Substitutions for: 12BY7A Pentode Video Amplifier. $99. The WA3 is a great amplifier for the right headphones. 2 cal/ml Complete balanced nutrition with fiber Polymeric; standard volume N/A Glucerna® 1. Feb 2, 2013 · The original 7868 is a Novar base, with 0. We offer complete Kits including 6N2P Tubes for the following Amplifiers: Tube 6080 or Röhre 6080 ID5972, Double Triode, Octal (Int. 5 g) 1. This tube is hard to find as it stated in the review above, but it’s a good find after all. buttloads. Got an ebay voucher and was wondering if the cetron 7236 tube would be a noticeable upgrade? Guitar Tube Amp Kits. No Reviews yet. All of my 7236s were Sylvanias with the metal base ring. Plate construction like 6AS7. or Best Offer. The tube is equipped with an octal base. 00 Aug 11, 2007 · 2014-03-23 4:42 pm. I had the tester set for 6AS7 thinking this was the class of the 7236. This greatly reduces the cost of operation. The closest western equivalent to the 6N1P is the well known 6BQ7A. Soviet 6N3P was produced at several tube factories. 6K-7236: TUBE A | Cat® Parts Store We would like to show you a description here but the site won’t allow us. Following times and temperatures will result in a full cure: 14 days at 23 ± 2 °C Great eBay seller to buy from, fair negotiated price on the tube tester and excellent communication. 001: 5998 Tung-Sol and Chatham tubes, top getter: $100. It even boosts the treble up a little on the dark 650s which is very nice! I'm looking to get a 7236 tube just to compare the two tubes but can't find anyone willing to sell just one. If the max plate voltage of 90V (or 130V?) for these tubes need to be respected, it could be a problem. And you can use any 12AX7 tube in place of the 12AX7Bs. Svein. Most Favored 5R4 in History. 00 Add to cart Our 6N2 Tube Equivalent 6N2P (ruggedised -ev Versions) were made in the Voskhod Plant, USSR. Made in Russia on Soyuz factory for military equipments. It is an equivalent to octals in the 6AS7 family: 6AS7 6080 5998 7236 6520 421A . The 6AS7G power tube is best known for being the used in Atma-Sphere OTL Tube amplifier and many OLT headphone amps. Mar 6, 2021 · 421a / 5998 / 7236 SET Stereo Tube Amp - NEW!I am excited to present to you a single ended tube amp based on the famous Western Electric 421a power tube, but the excitement doesn’t stop there, it is driven by the equally well known WE 717a. I also have some Sylvania 7236's, some Russian 6AS7 equivalent 6NP5 and some GE and Westinghouse 6080's. It’s not as relaxed, but at the same time more dynamic – the bass is very tight – great for rock. High grade power transformer. The 7788 as a special quality high slope pentode designed for use in industrial equipment where stability of characteristics and long life are required. The 6AS7 vacuum tube is also known as the equivalent part numbers 6H13C and 6N13S. Most were designed for voltage regulator service; the 7236 (I believe) was designed to drive motors for vacuum-tube computer tape drives! Unfortunately, at first glance, these tubes don’t look linear. Curing time can be accelerated by mild heat. Almost SS sounding 5998A - medium gain in straight bottle. The 27 x 1 1/4 Inner Tube Equivalent Cheat Sheet Size Matters (Again) Let’s compile a cheat sheet for the 27 x 1 1/4 inner tube equivalent. Life expectancy: 5000 hrs. 6A5G is a heater type power amplifier triode designed for the same service as types 6A3 and 6B4G. Free 4 day shipping. Then there is the tetrode version of the EL-34, the KT-77. specifications tubesocketvintagego: brand: Tungsol; model: 7236; country/region of manufacture Tube type and description: Price each: 5998. Not sure why It was failing on the 7236 and 6080WB. 02mm) pins. $ 116. The 7233 is about $10 each although I had several pulled from scrap HP test equipment, but I got a box full of 6S19P's from an Ebay seller in the Ukraine for $30. The KT-88 is a tetrode, and the 6550 is a pentode. ( Ac 12v 1a 6j1 value preamp tube preamp amplifier board preamplifier module pre-amp headphone preamp bile buffer diy kits stereo bass hifi x10-d Sale - Banggood. Toshiba ECC88 / 6DJ8 Preamp Vacuum Tube. Dec 2, 2023 · 1960'S NOS SYLVANIA 7236 6080 POWER TUBE - RARE TUBE. The 12AU7 is a miniature medium-mu twin triode. My Jun 24, 2006 · Re: 6922, 6DJ8, 7308, Equivalents - mspc 11:46:02 06/26/06 (0) . Free returns. Vacuum Tube - 6A5G, Triode, Power Amplifier. lapisseadog (6,760) 99. Definitely a compliment to other tubes in the 6080/6as7 line up and not crazy expensive. 6080 is equivalent, but, posted on March 4, 2014 at 19:00:09: Lew Audiophile Posts: 10794 Location Curing Once mixed, Scotch-Weld™ EC-7236 B/A will gel in 2 hours, build up handling strength in 3-4 hours and fully cure within 14 days at room temperature. May 8, 2019 · The reference tube – great for instrumental and vocals. While testing some tubes today I ran into a problem testing a couple 7236 tubes (Cetron, Sylvania). 31 950 CCA - BAT 7236 online from NAPA Auto Parts Stores. 2 cal/ml Abnormal glucose tolerance/ enhanced glycemic control Polymeric; standard volume Fibersource® HN (53. Share this post: This is a list of Soviet and Russian tubes and their American/European Equivalents. Mar 3, 2007 · Re 7N7's comments re A2134 ~. You can't even buy a newly manufactured tube for this price. Apr 29, 2015 · A number of large power triodes have low plate resistance (Rp), such as the 6AS7 and 6080, 5998, 7236, WE421A, 6528A, and 6336A. Oscilloscope amplifiers and other measuring About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright Jun 17, 2010 · 7236 and 5998/421A worked extremely well as SE driver tubes - the 7236 was a bit cleaner/brighter, while the 5998/421A produced a warmer sound. We would like to show you a description here but the site won’t allow us. . Feb 20, 2009 · So no need which one is better. The Brimar sound is absolutely magical. 99/pair Buy Now Sep 24, 2021 · But it generates a lot of heat and incandescent don’t last all that long. Warning: Substitutes are given as a guide only - please refer to original manufacturers data sheets to ensure that a substitute is safe and appropriate for your application. The EV seems the popular one but could be due to availability and exposure. The tube is quite pokey and sections can even be connected in Feb 16, 2021 · Item: Tube Rolling for Bottlehead Crack (5998, 7236 and 12AU7 equivalent) Price Range: Fair Item Condition: New or Used Extra Info: New to the dreaded tube rolling Looking for tubey-warm sounding tube for my Bottled Crack wt Speedball If you have one to sell - AWESOME ! Dec 10, 2023 · The 6BQ5 is the American equivalent of the European EL84. 4 % (300 ohm, 20 mW) Supported headphones impedance: 32 - 600 ohm, including planar magnetics. Get deals on automotive parts, truck parts and more. Mar 24, 2024 · This amp is compatible with the 421a and the equivalent 5998 output tube. Harma seem to plug the VI where other brands seem to plug the EV. It’s that simple. Get the best deals on 5998 Tube when you shop the largest online selection at eBay. From the information available it appears that 40 - 100 MHz is a probable upper value. 6Ф5П (6F5P) 6GV8, ECL85. 0 P235TR1 A 53 Grade A 1. And I believe they may be inexpensive as well. Cetron 7236 Military Vacuum Tube PN 3213999 Description :This is a 7236 tube (number not shown on tube). 7091 Eva Lane Rockford, Michigan 49341 PHONE: (616) 454-3467. Find Used Products. The best 5998s rivaled the 421A, but 5998 exhibited quite a bit of sonic variation. Well, either that or it was my turn to finally get a good Mar 17, 2023 · United States of America. 046" (1. We are not responsible for any malfunctions of equipment due to inaccuracies in these tables. Before testing testing with the 7236 tube. Especially if you want to use 32-ohm headphones (like Grado's), you may want to replace the 6AS7/6080 with a 7236 or 6528(A) tube. The Russian 6N3P came in different grades. analogmetric. A ruggedized/extended ratings version of the tube is designated 6N1P-EV (Russian: 6Н1П-ЕВ Jul 31, 2008 · The power tube (6AS7). I have built 10 W pp amplifier with 6360 (QQE03/12) and used 220 V, because it gave better linearity. Jun 17, 2015 · The 6S19P and the 7233 were the best performing tubes. Top Rated Plus. Dec 30, 2021 · Pair of 7236 cetron’s that were made on the same machines as the Tung Sol 7236’s. The 6CG7 will also work well as a substitute for 6N1 in many circuits. Feb 20, 2009 · This is a quick "generalisation", and a combination of my opinion after trying a lot of them, and the written consensus. I think the tube Gods were smiling down on me that day. This tube is quite free from hum so that no potentiometer is required for hum balance. Dec 10, 2013 · I actually own a mid 1950's version of this tube in "coke bottle" form. Each. Thread starter Bas; Start date 2003-01-16 9:52 pm; Status This old topic is closed. The tetrode's came about to get around patents at the time I think? The EL-34 was a Mullard design, and the 6CA7 was the American version. 5 C Г1Л WY1 C Г2C WY2P C Г2Л WY2 Jan 7, 2011 · They are legit and worth about $40 or so each, used ones are about $25-$35 each. 002: 5998 Tung-Sol and Chatham tubes, bottom getter: $150. Type Substitutes Base Diagram; 12BY7A: 12DQ7, 12GN7, 12BY7* I purchased a Sylvania 7236 at the same time and only spent $95 shipped. I acquired two full sleeves of them on eBay for 35 dollars total. It's difficult to describe the sound of a Brimar since it is so unique. These were purchased as NOS tubes by myself from a very reputable tube dealer that I have used for nearly all The ’12AU7′ Tube. Price is for two tubes. NOS NIB CETRON 7236 - 6080 5998 TYPE TUBE ONE OF THE FOUR BEST POWER TUBES! Title: 7236 Author: Tung-Sol Subject: FP-2002-12-26 Created Date: 12/27/2002 12:42:27 AM May 14, 2020 · I hear the WA3 is being discontinued by Woo Audio, which is a shame. Shipping : USPS First Class Shipping Payment : inkfrog terapeak i000000 Jul 23, 2010 · 6DJ8 / 6922 / ECC88 / 7308 can be good alternatives, but it depends on the circuit. The 6N8P is the same thing as a 6SN7GT, so you have lots of choices there. The ’12AT7′ Tube. (The smaller, more common 9 pin socket like a 12AX7 is a Noval base). So maybe one could consider it to be a scaled down version of the 5998? Apr 26, 2023 · The stock driver tubes are 6SN7 and the power tubes are 6N13S. Order 6336 vacuum tubes online, in stock and ready to ship! Find reviews, data sheets and specs to upgrade your tube amplifier. For the power tubes you can use 6080, 5998, 6N5P, 6N5S, ECC230, 7236 and CV2523 tube types. actually selecting a substitute tube, the charac teristics of the original tube, and of the pro posed substitute, should be studied, together with the circuit in which it is used. 0576) – May 30, 2009 · 790. I'd recommend replacing the 6N8P and 12AX7s first. These tubes are made in another factory, not the current Voskhod, I dont know if this is good or bad. May 7, 2020 · Power output: 250mW. The information below is accurate to the best of our knowledge. It tends to be a warm tube, but it sounds amazing with a 7236. 00 Add to cart; 5687 Tung-Sol (Selected for Super-Line Use). The item may be a factory second or a new, unused item with defects. He said he knew of no substitutes for the 3 x 6N3P tubes in the amp; but equivalents for the GU17 are: GU17 = QQE03/12 = RS1023 = RS1029 = CV2798. artosalo said: The maximum screen voltage of 6360 is specified as 200 V. 6336. A handy table of tube characteristics is found in the C-G-E Radiotron “Characteristics Chart,” Form 152-43, obtainable from any of our offices. Replaces 6336, 6336A, and 6336B tube types. 100% pure silver signal wiring in teflon jacket. 2 Cal (55. Tung-Sol brand. An excellent tube with the classical oval-anode structure. Not wanting to damage the tubes stopped seeking clarification VACUUM TUBE and VALVE CROSS REFERENCE SUB / SUBSTITUTE / SUBSTITUTION EQUIVALENT and REPLACEMENT LIST. (1 Review) USD $69. And the price is right $30. The 12AU7 has the smallest, at just 20. 90. Description. Cetron 7236 – very close to 5998 at a fraction of the cost (~$20). May 6, 2015 · The 7236 has a slightly lower transconductance than the 5998, 12,5000 micromohs. It produces a lot of light and uses less energy than a standard incandescent light bulb. Great deal and worth a try! Clean sound, tight bass response. For more information on 6922 vacuum tubes including pinouts, ratings, application and possible substitutions visit 6922 in Wikipedia, 6922 in Duncan Amps, and 6922 in The Tube Directory. This tube finds use as a phase-inverter/splitter in push-pull amplifier circuits in ac/dc radio equipment and in many diversified applications such as multivibrators or oscillators in industrial control devices. Jun 28, 2012 · If you want to know how Tung-Sol 7236 sounds just read our review for Cetron 7236. The new Feit Electric Quad Tube Equivalent E26 Base with Mogul Adapter CFL Daylight (6500K) Light Bulb produces the same amount of light as the 300-Watt did while using less energy. These two have even bigger departures from the standard 6AS7. And the amplification factor is a bit less than the 5998, 4. Premium PsVane CV-181 Mk2 “Gold” /or "Silver" PsVane 6SN7 driver tubes *. 2 Cal (60 g) 1. However if you are listening to a lot of rock music or even pop, 7236 offers tighter bass that’s very SKU: NOS-7236. Radio tubes are Oct 15, 2021 · Everything tested with in 10%-15% of given numbers with the stock tubes. There are two left. Sound is identical. Octal, IO) K8A, USA 1935 and Power-supply shown. USD $69. Jun 8, 2020 · Between the EV and VI the "noise" is less than the std 6N1P on both so either will be better from what I can gather and at a guess both will likely be better sounding. Email me when back in stock. Free 7236 TUNG SOL CETRON 6080 5998 6AS7 TYPE TUBE ONE OF THE BEST POWER Jan 16, 2003 · online tube equivalent chart. 0 Cal (41. If you want to reopen this topic, contact a I have used quite a few 12AU7 and 12AU7 equivalent tube types, so I will comment on that particular tube: Right now, my very favorite 12AU7 is the CBS Backplate 5963. An externally hosted image should be here but it was not working when we last tested it. 213-7236: TUBE AS | Cat® Parts Store Tube Data Sheet Locator. 8%. Sometimes compatible with 6AS7 circuits but be sure to confirm compatibility before using. I bought an octet for an 6AS7 audio amp that wouldn't bias high enough to be able to use them. NOS or lightly-used Sylvanias are a good place to start for both of those. Polymeric; standard volume Diabetisource® AC (60 g) Glucerna® 1. I use the Tung-Sol 7236 and 5998 models on my WA3+ amp with fantastic results. THESE TUBES EXHIBIT EXTRAORDINARY CLEAN, TRANSPARENT AND DETAILED SOUND. Nickel Plated Pins , Gold Grid. The WA3 is a single-ended triode amplifier, so it doesn’t have an output transformer. They've been used in both my WA2 and WA22 amps and have been incredible. Also, what about a 7236 tube? They seem to go for big $$$$$. This is pretty common for Russian small-signal tubes. com) it sounds good when attached to an integrated amplifier but it can't drive 32 ohm earbuds. USD $39. This list is Constantly and Perpetually under construction. A SOVTEK EL84 is OK, but again a REFLECTOR 6P14P-EV is better and a Western EL84 is better again. 27mm) pins. It will work equally as well with the newer 7236 Tung Sol super tube. . THD: 0. Jan 7, 2011 · I have a pair of hd650 driven by a crack OTL with the 5998 as the output tube and absolutely love it. Improved noise cancelling construction. Sponsored. 1/30 B Г-6/8500 EG1-0. Additional info. 1/30 E1-0. 5. I then swapped in an octal socket and tried the usual suspects, 7239, 6080, 6AS7, 6528, and several sweep tubes. You even can look up radio models with a certain tube line up. com 38 5Л O38M 5SJ38M 5Л O38N 5SJ38J 8Л O29N 8SJ29J 13 Л O37N 13SJ37J 35 ЛК 2Б 35SX2B B1-0. In Reply to: 6922, 6DJ8, 7308, Equivalents posted by Bassdude on June 24, 2006 at 11:31:21: Unless you want to change some pretty important aspects of the circuit, I don't think the 6sn7 is one of the tubes that are "interchangeably (moreless)" in a 6dj8 circuit. Buy NAPA Commercial Battery 18 Months Free Replacement BCI No. #20. [rmxtube-en] Tube 7236 or Röhre 7236 ID6143, Double Triode, Octal (Int. It is a wideband RF device, but no frequency range is given. This tube has a mu factor of 60, as compared to the higher gain 12AX7 with a factor of 100, and the 12AU7, with a mu of only 20. 00. cp wv fw sj jp ke eb ve im rf