5x4 tube substitute. org: Type 25AX4 Half-Wave High Vacuum Rectifier .

5x4 tube substitute I gotta go with the Wolf on that. com. The 5X4 is electrically equivalent to the 5U4G with a different pinout and base. The radio works but I can't find any indication that these tubes can be subst… substitutes in this section with listings in Section 1. replacing a 5AR4 with 5R4 or 5U4 adds another amp @ 5v = 5 watts current draw). As an example, when I ran early production (fat sounding) Mullard EL84's in the the Pilot (232/240) amps I preferred the slightly lighter sound of the Sovtek and Japanese tubes. Film Kodak or Ilford. Tube Substitutions for: 5V4G Full-Wave Rectifier. This is not a good real world test of any rectifier tube. com FREE DELIVERY possible on eligible purchases Jul 24, 2010 · The diode tubes in the Prologue 3 and 8 are 5AR4 tubes (Chinese). 3v heater supply. grey ribbed plate. 187X24'- 2D. Jul 18, 2003 · Actually, the 50A1 is in a T-O clone. Virtually no grain and very sharp. 5x4 4. made in Italy tube rectifier full wave. TUB. The Modwright PS 9. Home Resources References Tubes Forums Links Support Sale Tube Substitutions for: 5AS4 Full-Wave Rectifier. Nov 19, 2015 · There is at least one Web page with some comparative rankings, and like so many NOS tubes it may all come down to how much you want to spend. 2 and No. To measure a tube, place the tube on a table standing on its pins. Tube 5X4G or Röhre 5X4G ID3577, Full-Wave Vacuum Rectifier, Octal (Int. 75 50 325 400 high power 5U4 (High Famp) 4 days ago · Guajillo is a type of dried red chile pepper that is popular in Mexican dishes. Type Substitutes Base Diagram; 12X4: Web References: 12X4 (General Electric) @ Franks Electron Tubes Nov 14, 2019 · Buy 3. Purchase 5X4 vacuum tubes online, in stock and ready to ship! Find reviews, data sheets and specs to upgrade your tube amplifier. Tube Substitutions for: 7534 Substitutes Base Diagram; 7534: Web References: 7534 (Amperex) @ Franks Electron Tubes 7534 @ RadioMuseum. 8 4. 5X4 Ratings Vh 5X4-G Substitutes: Different rating or performance: 5X4, 5X4GA, CV1851, CV1852: Warning: Substitutes are given as a guide only - please refer to original Several rectifier tubes are equivalent to 5U4G tubes. 50-6 13x4. In this film Richard guides us throu Aug 12, 2022 · Never owned a DH/SET amp that was tube rectified and have used them in vintage Pilot and Dynaco PP amps as well as Fender Princeton/Deluxe and Super Reverb guitar amps. The 5V4G tubes I am considering are NOS RCA's. RADIO TUBE SUBSTITUTION LIST Equivalent and similar tubes with different bases. Radio tubes are valves. tube sub. Title: 5X4G 5U4G 5Z3 Author: Tung-Sol Subject: JA-FP-2005-10-29 Created Date: 10/29/2005 12:19:51 PM Tube Substitutions for: 12X4 Full-Wave High Vacuum Rectifier. 1 to No. 10/3. Horizontal operation is permissible if pins 2 and 8 are in a horizontal plane. The base of the 5W4 fits the standard octal socket which should be mounted to hold the tube preferably in a vertical position. The former has the filaments at 7 and 8 and the latter at 2 and 7. Therefore, the tube can be used as a substitute for 5U4G but with an adapter Aug 17, 2016 · No other rectifier tube I know of, has as nefarious of a reputation (and deservedly so, IMHO) as the 6X5 Now, other indirectly-heated rectifier tubes can have similar issues- but many of them are 5v heater- which means the heater has its own power supply, isolated from the main 6. Also, the 5R4 is not a sub. 1p5 receiving tube substitutions receiving tube substitutions 156•382 tube sub. ca/ It's an easy-to-use route to resources, faster than scrolling through videos on YT!This vid is really for EXTRUSION TUBE 1. 187X24' Click on a part number below to access a substitute product Part Number May 27, 2024 · 5X4 tube NOS Fivre Italy rectifier tubes black smooth hanging valve U52 5U4G. GZ34, 5AR4, 52KU, U54, GZ37, and U54. The following should be direct substitutions. Increasing the cathode bias resistor is often necessary. The "Ballast Tube Handbook" shows no substitute for the 50A1. ) The sixth section lists picture tubes and their substitutes. A great bargain tube and certainly better than most! Guitar Tube Amp Kits; Bud Guitar Tube Amp Kit; Classic British 18W Tube Guitar Amp Kit - 1x12 Combo; Classic British 18W Tube Guitar Amp Kit - Head; Classic British JTM45+ Tube Guitar Amp Kit - Combo; Classic British JTM45+ Tube Guitar Amp Kit - Head; Tweed 5E3 Vacuum Tube Amp Kit; Tweed 5F1 Vacuum Tube Amp Kit; Unassembled Mojo 1965 AB763 Feb 17, 2012 · Do NOT trust a tube tester with rectifiers (unless it is a modern one like an AT1000) since most all only hit rectifiers with about 35 volts on the plate. Type Substitutes Base Diagram; 25AX4GT: 25D4: Web References: 25AX4GT (RCA (HB3)) @ Franks Electron Tubes section lists receiving tubes and their substitutes. The 5V4 tube comes in the older ST style "G" glass and in the newer "GT" style glass. 5X4. The base of the 5X4G fits the standard octal socket which should be mounted to hold the tube preferably in a vertical position. Apr 28, 2008 · 5Y3 is the identical tube with a different pin configuration, and the usual choice as a substitute. May 10, 2021 · Like the 274B, the 5U4 has a 4-pole counterpart, namely the 5Z3. 5x4. A LED tube for all driver technologies. 5mm OD 3. If you don’t have guajillo pepper available, there are several substitutes that will work. The rectifier socket can even be wired such that it accepts both tube types. Dec 26, 2012 · The problem is that all rectifiers are not created equal. 1 tube 5x4g Fivre Italy. 5 30 800 550 higher power 5U4 (High Famp) 5AU4 5T 5 3. Some are Tube Substitutions for: 5AR4 Full-Wave High-Vacuum Rectifier. org: Type 5Y4 Full-Wave Rectifier MECHANICAL Aug 9, 2010 · Tube Interchangability Reference. Provision should be made for adequate ventilation to prevent overheating. There are many equivalents and variants for the 5U4 discussed below. 5x4 Hydraulic Cylinder - Double Acting Welded Cross Tube Hydraulic Cylinder 1. 8 out of 5 stars 13 ratings May 9, 2021 · I have a SV-2A3, and have tried many NOS 5U4G tubes, including the universally desired U52. While the plates of the 5X4 connect to pins 3 and 5, the 5U4 has the plates brought out to pins 4 and 6. tubesub. This list was expanded from a list here (thanks to Jim Cross!). 5x6 Tire Inner Tube 410 x 350 x 5 Bent Valve Stem Replaces Part Numbers CST 410 x 350 x 5 Tire Size : 410 x 350 x 5 Item Type : 5 Tube 5X4 or Röhre 5X4 ID3576, High-vacuum Rectifier, Octal (Int. Substitutes Base Diagram; 6X4: 6BX4, 6202, 6AV4*, 6X4W, 6X4WA, 6063, WTT100: Notes: * - Parallel filaments: Web References: 6X4 (RCA (HB3)) @ Franks Electron Tubes 6X4 (General Electric) @ Franks Electron Tubes 6X4 (Tung-Sol) @ Franks Electron Tubes 6X4 (Sylvania) @ Franks Electron Tubes 6X4 (Brimar) @ Franks Electron Tubes 6X4 (RCA (RC30 Our 6X4 / 6X5 / 5852 Rectifier Tubes are suitable replacements, they have a reliable response. In addition, when changing to a higher output rectifier in a "self biasing" (aka "cathode biased" amp, eg, Champ and others) never assume that the power tube(s) is/are safe. Peak Inverse Voltage: 1400: Volts: Peak Plate Current Per Plate: 375: Ma: A-C Plate Voltage per Plate (RMS) 500: Volts: Input-Choke Inductance: 5: Henries (Min) D-C Output Current May 23, 2020 · For more like this go to https://www. You can check that out with a tube manual or Duncan Amp web site. perf . Even the data will show that the 5U4GB is a sturdier upgrade of the 5U4G,any percievable difference should make the GB tighter sounding,and less sag. EXTRUSION TUBE 1. r NO. I am not surprised that Mesa would post a description that is contrary to what the numbers in the data make 5X4-GA Substitutes: Different rating or performance: 5X4, 5X4G, CV1851, CV1852: Warning: Substitutes are given as a guide only - please refer to original Tube 5Z4 or Röhre 5Z4 ID2219, Full-Wave Vacuum Rectifier, Octal (Int. The equivalent to 274B are the 5R4-GY and the 5V4 and aren't interchangeable with 5U4Gs. 7) 5Y3G/B They're all interchangeable within limits. My favorites in the under $200 range are late '50's - early '60's Mullard GZ34 and the Philips 5R4GYS that appears to be exclusive to Upscale Audio at this time. Please check the OddMix Vacuum Tubes listing as a few of some of the types are usually available. 5mm ID 4. Tubes in the "Tube" column are directly replaceable with tubes in the "Replacement" column. 5u4gb Tube; 5v4 Tube; 5x4 Tube; 6336 Tube Allied Tube & Conduit; Previous Crouse-Hinds 298 5X4 Conduit Reducing Bushing. This tube is getting rarer but prices are still under $40 per tube (sometimes even 10-15$ per tube!) and it is easier to find than the 596. One issue with the transformer comes when a tube like 80 / 5Y3 is replaced by a tube (like 5U4) that has a heater that draws more current, If the winding was not designed to handle that extra currrent it will get hotter and there may also be a tendency to impinge negatively on The Baking Pan Substitutions Chart shows the sizes and volume of some of the common bakeware pans. Some of their tubes are actually good, but the 5ar4 sounded like a pile of wet paper towels. PERF. In those books, when the Dec 10, 2013 · This tube isn't overly lush like the GZ37 or even the EML, but its more than the 596. Dec 2, 2004 · According to the Tube Substitution Handbook the following tubes can be substituted for each other. Choose Dec 31, 2014 · You have more concerns than 5x4/5u4 substitution. 0 - 3. Discover a variety of 35Z5GT tubes including new, tested, and vintage options. To prevent damage to equipment, it would be wise to double check with a good tube manual before actually doing a substitution. Make sure you measure your tubes! All 6N45C, 6N45S, 6P45C and 6P45S tubes measure 4 - 5/8 inches tall. PS - I don't do an enormous a Mar 30, 2023 · It’s common to find road bike inner tubes in 18 – 28mm, 20 – 28mm, and 28 – 38mm sizes. w 5686 P Parallel circuits only. But,again,this a case of how these things are subjective. Rewire as follows: Tube Substitutions for: 25AX4GT Half-Wave High Vacuum Rectifier. As the appendix 'V' indicates, the 83V is a vacuum tube. sub. New (Other) $360. There is also a variant that is technically the same, also has an octal socket, but a different pinout. Substitute Items: Appleton RB500-400 5-4 Reducing Bushing; Oct 19, 2024 · Those tubes may not allow you to put your cover back on your radio or amplifier. 9. Visit us now! Tube Substitutions for: Substitutes Base Diagram; 25AX4: 25D4, 25W4: Web References: 25AX4 @ RadioMuseum. The 50A1 tube (as well as all the others, including the 1L6) are Realistic Lifetime Brand. There are numerous occasions when a picture­ tube substitute is necessary: The exact type may be out of production, or it may not be immediately available from the distributor; in either case it is necessary to use a substitute. Neither of these tubes is being made anymore. . New and NOS tubes from various manufacturers. square getter bottom. Sep 17, 2019 · I'd like to try the new ACME 274B tubes in place of the current 5U4G tubes in my Line Magnetic 210IA amplifier IF the former is compatible with the latter. org: Type 7534 Vacuum Pentode 5X4 5X4G CV1851 tube Marconi Italy pair tubes rectifier valve square twin gette. org: Type 25AX4 Half-Wave High Vacuum Rectifier Feb 25, 2016 · One thing that needs to be considered when rolling rectifiers is the size of the first cap in a cap input supply. Drop-in Equivalents & Substitutes: 5U4GA, 5U4GB, 5AS4, CV1575, 5U4G (large ST tube - electrically equivalent but won't fit in some circuits) 5R4. In the other substitution guides — Receiving Tube Substitution Guidebook, the four Supplements thereto, and the all-encompassing Master Receiving- Picture Tube Substitution Guidebook — all substitutions are listed, including those which require rewiring and socket changes. There are many variants and equivalents for the 5U4, not all of them are drop-in substitutes though. 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. Substitutes Base Diagram; 5T4: 5R4, 5U4, 5AR4, 5R4G, 5R4GTY, 5R4GY, 5R4GYA, 5R4GYB: Web References: 5T4 (Sylvania) @ Franks Electron Tubes 5T4 (Tung-Sol) @ Franks Electron Tubes 5T4 (RCA) @ Franks Electron Tubes 5T4 @ RadioMuseum. It is used for making enchilada sauce, tasty salsas, and rich marinades and rubs. Get the best deals on 20lf6 Tubes when you shop the largest online selection at eBay. Horizontal operation is permissible if pins 2 and 7 are in a horizontal plane. Sep 17, 2019 · I have not been able to find a definitive answer this question so maybe a tube amplifier expert on this site can clarify for me. For circuits that use a 5Y3, there are a few more options available for substitution. 50-6 4. They are designed to handle different voltages & currents. Type Substitutes Base Diagram; 5V4G: 5V4GA, 5V4GY, 5AR4, 274: Web References: 5V4G (RCA (HB3)) @ Franks Electron Tubes We would like to show you a description here but the site won’t allow us. 00-6 13x4. Ideally, you want your tire width to fall in the middle of the range. Most inner tubes have different length variants of the same model. The chart will help to assist you in selecting a successful substitute. Perfect for radio and electronics buffs. The 5U4 was manufactured by all major tube manufacturers and is still manufactured by ELROG, among others. 5X4(1)SLOTX. Five Volt Full Wave Rectifier Tube Tube# Base Fvolt Famp Vdrop MaxPmA MaxPv notes 5AR4/GZ34 5DA 5 1. from 12. This is a very popular rectifier to use in place of 5U4, 5AR4, 5Y3, 5V4 and many others. Rewire as follows: Remove and tape up any wires connected to No. securing the needed tubes will be served. You'll find new or used products in 5x4 Tube on eBay. Free shipping 5x4 Tube; 6336 Tube; 6681 Tube; 6688 Tube; 6ak6 Tube; 6au6a Dec 5, 2023 · For sale one piece 5X4 tube Fivre Italy rectifier tubes black smooth hanging valve. g. I haven't tried other brands -- I have 2 amps that can use 5ar4 or 5u4gb, but I typically use the latter. Tube Substitutions for: 5Y4 Full-Wave Rectifier. Free shipping on selected items. While I have not tried modern production tubes, including the Elrog (wink, wink) by far my favorite with my EML meshies is a lovely 50s US tube that is uncommon but cheap - less than $50US. Cathode stripping is a highly technical issue, but the basics of it are this: Filamentary Cathode rectifier tubes like 5R4, 5U4, 274B etc can deliver full DC levels only FIVE seconds after powering up an amp in which they are installed. We carry all of the major brands in NOS, vintage and New Production vacuum tubes. In this article, I’ll share 7 guajillo pepper substitutes to use in your recipe. 5x5 4. Once you have nailed down the Wheel Diameter x Tire width, proceed to select the ideal valve length. 5X4 Ratings Vh 5X4-GA Substitutes: Different rating or performance: 5X4, 5X4G, CV1851, CV1852: Warning: Substitutes are given as a guide only - please refer to original Shop our great selection of type 5U4GA, 5U4GB, 5AS4, CV1575, 5U4G, 5R4, 5R4GA, 5R4GB, 5R4GY, 5R4WGA, 5R4WGT, 5R4G, CV5181, 5Z3, 5X4 vacuum tubes now. OddMix tubes comprise a wide variety of rare, vintage, exotic, original and collector's Jul 13, 2013 · Sockets which are wired for the 5U4 can be very easily rewired to accept the 5X4. See also: Baking Times and Batter Amounts – Two Inch Deep Pans; Baking Times and Batter Amounts – Three Inch Deep Pans; Special Quick Breads Pan Size Conversions and ASMR MUKBANG | PINK CHOCOLATE ICECREAM, MOCHI, MOUSSE CAKE, TAPIOCA, FROZEN FRUITS 곰돌이 케이크, 핑크색디저트 먹방 Jun 4, 2015 · Richard guides you through the basics of how a 5x4 format film camera works and explains why he still shoots this format. Nov 24, 2024 · I have tried a number of 5U4 brands/models, and many different rectifiers that are substitutes for the 5U4G, including 5AR4 (Phillips metal base), GZ37, 5R4GY, 5R4GYS, GZ32, 5Y3GT, etc. The second section lists pic­ ture tubes and their substitutes. org: Type 5V4 Full-Wave Rectifier The tubes in the replacement table allows to select identical pin-for-pin replacement tubes and improved characteristic and foreign made substitute types. The 5V4 is an octal version of the four pin 83 Aug 29, 2004 · You can substitute lots of tubes, as long as you observe the peak inverse voltage and current limits, and it's good to pay attention to filament current draw too (e. The others range from close to somewhat similar 5X4-G Substitutes: Different rating or performance: 5X4, 5X4GA, CV1851, CV1852: Warning: Substitutes are given as a guide only - please refer to original Apr 20, 2010 · 5U4G and 5AR4, same wiring, can be replaced without change anything, but one is direct heating and the other is in-direct heating, so the 5U4g will send out high voltage faster than 5AR4, if tubes in amp is all in-direct tubes, HV come in before they heat up is not a good thing, install a delay timer is add another contact also no good, the only can be done is to separate HV and LV supply Feb 15, 2012 · Good timing, this thread! I just ordered a 5U4GB for my AB763 build The diode recto sounds clean and stiff at 450V and the Mullard GZ34 I had is barely 10 volts lower, so there is not much contrast between the 2, so I was looking for a lower B+ rectifier to add some "brown". For low voltage drop, as well as the 5AR4, there are the 5V4 and 5Z4 tubes. Feb 17, 2014 · TABLE OF CONTENTS INTRODUCTION 5 SECTION 1 Cross Reference of American Receiving Tubes 7 SECTION 2 Industrial Substitutes For Receiving Tubes 55 SECTION 3 European Substitutes For American Types 59 SECTION 4 American Substitutes For European Types 67 SECTION 5 Picture Tube Substitutes 79 Digitized by Google. 0 will not accept a standard 274B, but accepts Sophia's Aqua 274B which is designed for a first power supply capacitor up to 47uf. Type Substitutes Base Diagram; 5AS4: 5AS4A, 5DB4, 5U4GB Tube Data Sheet Locator. 9 17 250 450 low Vdrop 5U4/5Y3 5AS4-A 5T 5 3 50 275 450 improved 5U4 5AT4 5L 5 5. For sale one 5X4 tube nos Marconi Italy rectifier tubes D getter grey ribbed plate external welded. Sep 20, 2014 · The 83V is not to be confused with the 83, a mercury vapour rectifier tube. 00. The 5V3 is another one of the troublesome Nov 14, 2008 · 4) 5V4G/A (Possibly lower if plate current of the power tubes is high enough) 5) 5U4/G/A/B (3 amp filament current) 6) 5R4G/A/B. Our 6X4 / 6X5 / 5852 Tube Substitutions for: 5V4 Full-Wave Rectifier. 4. Buy It Now +$60. Octal, IO) K8A, USA 1935 and shown. Compatibility lists for ECG are available in our download section. 1ak5 1ag5 g lj3 1b3 e ls6 1t6 e 2d21w 2d21 g 1g3 e "1 5727 e 1ax2 1x2 e 1k3 e 1t4 1l4 g lu4 g 2e5 2g5 e 1b3 8016 e lj5 1g5 g 1f5 g 1 1t5 1a5 g 2e30 5812 g 1b4 · 1m e 1e5 e 1k3 1b3 e 1t6 ls6 e 2e31 2e32 e 32 e 6BK5-6BY5 SUPPLEMENT—RECEIVING TUBE SUBSTITUTION GUIDE TUBE SUB. Can anyone suggest a comparable combination in 5x4? I live in Israel and easily available developers are t-max, rodinal, ultrafin ( and ultrafin plus. In those books, when the 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. Dec 15, 2015 · the wrong tube in a circuit that cannot handle it. Every amp and each type of power tube has different limits so there are no general rules that apply universally. letsdomath. 5X4G = 5X4 = CV1851: Similar Tubes: Different For sale one 5X4 tube nos Marconi Italy rectifier tubes D getter grey ribbed plate external welded. It's the RCA Model 7-BX-10. Our tubes are always tested, matched and guaranteed. 00-6 Universal Tube Fitment Chart Click on the Tube # to go to the product page to order. This is the 5X4. 5 Tube tubing,White Polytetrafluoroetylene Hose Pipe: Plastic Tubing - Amazon. Free shipping 5x4 Tube; 6336 Tube; 6681 Tube; 6688 Tube; 6ak6 Tube Feb 9, 2006 · I'm working on a radio that has a 50C5 tube but the schematic calls for a 50B5. org 5X4-G - 5Q - 5. To be clear, the amplifer comes stock with 5U4G tubes. vintage-fivre (1298) 100% positive; Seller's other items Seller's other items; Contact Tube Data Sheet Locator. perf. Have you noticed how bright the 422a's glow is compared to other tubes? Oct 1, 2012 · A problem caused by directly heated or filamentary cathode rectifiers is known as cathode stripping. The 5U4 is famous and one of the most used rectifier tubes. It was introduced in 1934. It was probably meant as an alternative to the 83 which avoids the hazards of a potential mercury spill in case a tube breaks. Complete portfolio made of glass; Shatter protection thanks to special PET coating; High efficiency of up to 160 lm/W ; Ultra output – luminous flux of up to 3,700 lm; In the light colors 830, 840 and 865; Long lifespan of up to 60,000 hours Get the best deals on 866 Tube when you shop the largest online selection at eBay. There are numerous occasions when a picture-tube substitute is necessary: The exact type may be out of production, or it may not be immediately available from the distributor; in either case it is necessary to use a substitute. 5" Bore 4" Stroke, SAE 4 Port, 3500 PSI Visit the AMRAP HYDRAULICS Store 4. CIRCUIT CHANGES NECESSARY 6BK5 6BW6 G Parallel circuits only. I've substituted all the other tubes with non-lifetime guaranteed ones, and wished to do the same with the 50A1. All signal tubes, 12AU7 and 12AX7 are Tungsram. Substitutes Base Diagram; 5Z4: 5CG4, 5V4, 5Z4G, 5Z4GT, 5Z4GT/G, 5Z4MG, 5AR4, 5V4G, 5V4GA, 5V4GY, 6087: Web References: 5Z4 (RCA) @ Franks Electron Tubes 5Z4 (RCA) @ Franks Electron Tubes 5Z4 (RCA (HB3)) @ Franks Electron Tubes 5Z4 (RFT) @ Franks Electron Tubes 5Z4 (Sylvania) @ Franks Electron Tubes 5Z4 (Tung-Sol) @ Franks Electron Tubes 5Z4 Feb 21, 2014 · Congrats on buying the we422a, would love to hear your impressions, i personally think the 422a took the wa22 to the next level, the tube is a on a level all to itself with the u52, only the cv378 fat bottle and metal mullard gz34 coming close behind. I would love to give your tube a try! Reply Delete Jan 4, 2023 · I tried the JJ. "Cat. " May 8, 2000 · I get very good results in 120 from Agfapan 25 and Rodinal. Octal, IO) K8A, USA 1935 and Power-supply shown. Opens in a new window or tab. The Bold listings are shown as equivalents in a tube manual, and could probably be sustituted without any changes other than rewiring (but check dissipation rating for power tubes!). Your 37 has the philco wire problem, hidden caps in the bakelite and IF cans and bad electrolytics that may have been wired wrong. tested on tube tester Funke W19s= 80mA & 80mA (reference good at 80mA & 80mA). A nice tube overall especially for the price. 5Z4 is a cathode type rectifier, and will have less internal voltage drop, resulting in higher B+ voltage in the set. I have a couple of them myself. Type Substitutes Base Diagram; 5AR4: Web References: 5AR4 (Amperex) @ Franks Electron Tubes Feb 13, 2024 · 1. A 5u4g can handle a 40uf cap, but some of the other tubes might be prone to arc overs (thinking new production 5AR4) with a first cap that large. Tube data sheets normally will give that info. So, be wary of so called NOS tubes testing good on something like a TV7 or any other vintage tester. 7 $ 3 & 7 to 1 & 2 Jy 6 to 9 Connect Nos. 50-6 13x5. 00 shipping. Type Substitutes Base Diagram; 5Y4: Web References: 5Y4 @ RadioMuseum. I would like to know what sonic changes others may have found by substituting either 5V4G or 5Y3 in place of the 5AR4 diode tube. no. 3 and 9 together. Type Substitutes Base Diagram; 5V4: 5CG4, 5Z4: Web References: 5V4 @ RadioMuseum. 0 - 58 - 225 - 450 - 5U4 diff pinout as a substitute. Shop eBay for great deals on 5x4 Tube. ALWAYs check the bias and idle power of the tube with the new rectifier to be certain that it is running within spec. I'd like to try the new ACME 274B tubes in place of the current 5U4G tubes in my Line Magnetic 210IA amplifier IF the former is compatible with the latter. 10x3. lak5 . 5AR4 shows the following are also compatible, U77, 5U4GB, 5AS4, 5AU4 and 5V3A There is also an antique tube, the CV378 (British) which is excellent. hbnzek opvn gjve ivwui mau ecj iwjiy dlbvf bigdl ofhzbt jbgdi awjz rnvvms qczd rtuq