6ak5 guitar amp. Feb 28, 2009 · #1. hi guys. i got plenty of this 6ak5 tubes. i am a newbie. just build a couple of preamp from scratch. but its from a complete schematic. i was informed that this little tubes do wonders with anode follower or whats the term. please correct me if i am wrong. could anyone like to share the schematic for the 6ak5 preamp? thx. TIA. Erwin. korneluk.

Jan 1, 2020 · I just double checked it again and I'm still coming up with the same thing..... 116ma for two tubes, or 58ma each. Compared to the 27 in the VM amp, that's quite a disparity. The VM amp appears to run 290 volts B+, with 250 going to the plates. That's a 40 volt drop withing the windings of the OPTs! That's a LOT of DC resistance in there!!

6ak5 guitar amp. Heathkit HD-15 6AQ5 tube Guitar amp test Test of the Junk Box special 6AQ5 amp. This little 2 watt amp is housed on a Heathkit HD-15 Phone patch. Pretty much a worthless item, but now it has a new life as a neat table top guitar amp. Perfect for apartment playing. Achieve crunch at low volume. Very basic design, class A, Volume & tone.

A (3) piece matching set of TV - audio - guitar - amplifier - HAM - radio tubes, type JAN 5654 .This is a rugged, military strength grade of standard type 6AK5. The tubes are n. o. s. in the boxes , S

2x10 Custom Amplifier (Amp) Speaker Cabinet for Univox. Used - Mint. Collegeville, PA, United States. $544. $544. 14-Day Return Policy. On Sale. Kalamazoo Bass 30 30-Watt 2x10" Tube Guitar / Bass Combo 1965 - 1969 - Black. Used - Fair.For parallel, you should halve the reflected load of a single tube, so to get maximum power for Center-bias Class A with 2 parallel EL86: Zout = [Vp/ (Pmax/Vp)]/2. [250/ (12/250)]/2 = 2k6. 3k2 will work but you probably …

Back to the Phase Inverter. There are two designs that dominate guitar amps. One is the “Cathodyne”, also known as the “Split-Load” (Fig. 1), and the other is the “Long-Tailed Pair”, derived from a circuit called the Schmitt Inverter (Fig. 2). The Split-Load is the simplest arrangement.Audiophile Single ended 6AQ5 power amplifier With Stereo headphone amp Handmade Hi-quality product with 100% working well Very nice warm sound with my Tannoy’s 12” HPD 2x US Brand 6AQ5 on main po...from 1095860933An oncologist walks into a room full of patients in varying stages of cancer treatment, living each day scan to scan, some of whom have lost all their hair. He’s got the standards:...D-Lab 6V6 Champ circuit guitar tube amp in a RCA wood cabinet. The cabinet is an old RCA 50's era. Cabinets finish is original. This is a very special cabinet, featuring butterfly pattern veneer. If you are seeking a unique sound with lots of Mojo, Here it is! A very quiet/responsive amp. Perfect for recording and will look super in your studio.Best beginner. 3. Fender Mustang LT25. View at Amazon. View at Thomann. View at PMT Online. Packed with amp and effects models, the compact size and excellent sound of the Fender Mustang LT25 make it a brilliant amp for beginner guitar players - and the price isn't bad either. Read more below.The best amplifiers under $500 to buy - at a glance. Boss Katana 100 MkII 2×12″. Blackstar HT-5R MkII Guitar Amp Combo. Orange Super Crush. Marshall Origin 20H. Vox AC10C1 Custom. Roland JC-22 Jazz Chorus. Yamaha THR10IIW. Fender Bassbreaker 10.#259,693 in Musical Instruments (See Top 100 in Musical Instruments) #1,439 in Guitar Amplifier Tubes #70,016 in Music Recording Equipment Is Discontinued By Manufacturer No6AQ5 / 6HG5 / 6005. Availability: Usually ships within 24 hours. Replaces 6AQ5, 6HG5, 6005, 6095, and 6669 tube types. Assorted 6AQ5 brands in stock. Purchase 6AQ5 / 6HG5 / 6005 vacuum tubes online, in stock and ready to ship! Find reviews, data sheets and specs to upgrade your tube amplifier.

SE 6AQ5 stereo amp. 05-15-2015, 07:24 PM. Hey everyone, first post to the forum! I cannabalized a defunct Sony TC-500a tube reel to reel. It has a matching pair of HUGE 5K OT's, a solid PT and all the tubes to compliment. I have loads of experience with building guitar tube amps so i was thinking a small desktop tube amp would be a fun project.Add to Cart. Vintage Music Man 212 Sixty-Five 2-Channel 65 Watt 2x12” Guitar Combo Amp 1974 - 1979 – Black. Used – Very Good. East Brunswick, NJ, United States. $895. $895. Add to Cart. 1974 Fender Champ chassis w/ original RCA tubes - serviced Silverface 6w tube amp. Used – Very Good.A (4) piece lot of audio - amplifier - HAM - radio - TV tubes, type 6AK5. The tubes are n. o. s. in the boxes, various branding. Tubes test good on the Heath IT-17 tube tester. While you're here, please have a look at my other listings! Payment: Pay-Pal is preferred. I will accept a check from USA . Kindly make your payment within 4 business days.

The Howler Monkey Push Pull 6Aq5 Guitar Amp. Discussion in 'tube audio' started by knockbill, apr 1, 2013. 240v x 2 high resolution scan : A beam power tube, it is capable of an output of 4.5w, quite remarkable for its size. This Amplifier Was Originally Featured On The January 2004 Issue Of The.

6aq5 push pull amp howler guitar monkey circuit diagram amplifier seekic 6j6 power ic6l6 push pull 6l6a vacuum tube push-pull amplifier circuit diagram6v6 tube amplifier guitar pp2 bonavolta début. Check Details. 6c45 amp push pull spud 50megs. 6v6 pp26ch6 push pull ontwerp Amp tube push pull output class 6aq5 guitar switch6n6p push pull.

Tube amp schematic guitar 6aq5 flyingFender princeton schematic amp schematics amplifier 6aq5 guitar harvard tone pdf circuit champ 5f1 5f2 tweed kit amplifiers elektrotanya reissue . Check Details Check Details. Pin on Tube amp. Check Details. Lomins: Guitar building plans flying v.This Night Lights item by mavrim has 65 favorites from Etsy shoppers. Ships from Port Jefferson Station, NY. Listed on Jan 19, 2024The Howler Monkey Push Pull 6AQ5 Guitar Amp Web i have a push pull 6aq5 amp build that i love. Ok, Here Is The Concept Schematic. Two 6aq5's in push pull can be used to make a class ab1 amp of about 10 watts power output. Two 6aq5's in push pull can be used to make a class ab1 amp of about 10 watts power output.6005W JAN/GE aka 6AQ5A / 6AQ5W / EL90 / 6HG5 / 6669 / CV4019 NOS-NIB Pentode. the 6005W is the Super-6AQ5 made by General Electric for JAN=Joint Army-Navy. he W marking at the end of the type number refers to the particularly robust design in accordance with military requirements. 6AQ5 were used in the Fender Musicmaster Bass Amp and …Vintage 1950s working CALIFONE Director 12V-9 Variable Speed Record Player with 6AQ5B tube amplifier for Guitar Amp Project. It has precision geared variable speed drive that runs well. Recycled during demolition from miscellaneous old US Navy musical instruments and audio reproduction equipment used during WWII and Cold War on board of Navy vessels or on-shore installations.</p><p>Tubes: 7199 ...

KATANA ARTIST Gen 3 Guitar Amplifier. With Katana Gen 3, the acclaimed BOSS stage amplifier series evolves to take your guitar ambitions to the next level. The flagship Katana Artist Gen 3 brings you the ultimate Katana experience, offering 100 watts of Class AB power, a custom 12-inch Waza speaker, and a host of advanced tone tools.Demo do meu novíssimo amplificador valvulado single ended de 6 watts, com uma 12ax7 no pré e uma 6aq5 no power! Demo of my brand new 6W tube amp, with 12ax7 ...6aq5 cw transmitter for 40 meters Tube amplifier circuit stereo schematics amp vacuum audio power radio valve electronic watts vintage five schematic wkinsler diagram 6v6 transformers My 6aq5 guitar amp from parts : r/diytubes Building 6aq5 based harp amp 6x4 rectifier12ax7 preampYes it will work as an audio amplifier, about 2 watts of audio out. Web mar 12, 2010. Amp That Uses 6Aq5 Tubes? Discussion in 'tube audio' started by knockbill, apr 1, 2013. 240v x 2 high resolution scan : A beam power tube, it is capable of an output of 4.5w, quite remarkable for its size. 12Ax7, 12Au7, 6Aq5, 6×4 Voltage : Web 6aq5 tube amp.Vintage Circa 1950 Carvin Model 205 Amp - Gray Pearloid - Very Rare! Used - Non Functioning. Lexington, SC, United States. $699.99. $699.99. Add to Cart. Price Drop. Vintage 1960's Teisco 73 Tube Amplifier Twin 8" Speakers w Tremolo MIJ Japan Guitar Amp. Used - Very Good.Increased Offer! Hilton No Annual Fee 70K + Free Night Cert Offer! On this week’s MtM Vegas we have so much to talk about including the pause of construction on a big Hyatt Strip p...Nov 28, 2023 · November 27, 2023. There’s a mystique among both audiophiles and musicians about vacuum technology, thus having a tube amp still carries a bit of a cachet. New ones can be bought for eye ...Mar 23, 2017 · Rather than do the usual champ with a 12ax7 or 2 6av6 I decided to do a 5c1 since I had some smaller 7pin pentodes. I had done the 1/3 watt with the 6au6 preamp and poweramp so I used the preamp section and tied it to the 6aq5 power amp. Here is the schematic. I have made changes to the power dropping resistors to get voltages more when I want ...My idea is to use this components for a small power Stereo SE Guitar amp with different channels (one 5F2A ond one 5C1 - both with some mod) On the 5C1 (6ak5 tube as V1 and EL95 as Power Tube), I would like to use a TS (may be a James), to do that I can use a CF or a SFAmps and Cabs. 6AQ5 military amp? Jump to Latest Follow FollowSE 6AQ5 stereo amp. 05-15-2015, 07:24 PM. Hey everyone, first post to the forum! I cannabalized a defunct Sony TC-500a tube reel to reel. It has a matching pair of HUGE 5K OT's, a solid PT and all the tubes to compliment. I have loads of experience with building guitar tube amps so i was thinking a small desktop tube amp would be a fun project.It's ideal for small gigs, recording and manageable enough for the home - especially if your dirt comes via a pedal. The Victory VC35 The Copper is a single-channel, 35-watt lunchbox head serving up a sumptuous smorgasbord of rock and blues tones - the VC35 has got the sort of performance that invokes the "B" word.It is a great tube for guitar amps. I actually found that I preferred the 6BQ6 to the 6L6; the detail and articulation seemed slightly better. If you build a 6BQ6 amp, consider adding a switch to toggle between triode and pentode mode. Also, make sure to put a cage on the amp — you don't want a high voltage accident from a child sticking ...#1. hi guys. i got plenty of this 6ak5 tubes. i am a newbie. just build a couple of preamp from scratch. but its from a complete schematic. i was informed that this little …Types never seen in guitar amps. The G-1000 consists of two totally independent amplifiers, with very different preamp sections. One channel is called the HAPPY channel. The other is called the ANGRY channel. For damn good reason. One sucks your face, the other gnaws your foreskin off. The HAPPY channel is a more-or-less conventional instrument ...Part 2 and the final chapter of the GR test equipment re-purpose to a tube guitar amp. Man did this one turn out great! Tony C had nothing bad to say about i...For the ultimate low buck guitar amp, I use cheap car speakers from Wal Mart, the Triad isolation transformer feeding a SS voltage doubler, a Mouser $7 filament transformer, the $16 Edcor P-P output transformer, 2 X 6AQ5 in P-P with a 6AV6 phase splitter, driven by a 12AX7. It is possible to build a guitar amp for under $100 with some …Description: JAN 5654W tubes is a great upgrade for Little Dot and Little Bear amps! This tube is a direct replacement for 7-Pin 6J1 / 6J1P / 6J1P-EB / 6Zh1P-EV / 6AK5 / 6AK5W / EF95 tubes. This tube is very high quality and will last for a long time. We subject these tubes to multiple test cycles and plate voltages to determine stability.

A thought: Several people have mentioned that the 6AQ5 is functionally a 6V6 in a. smaller envelope. Someone else I know, an amp technician, says that the 6AQ5 is a. television tube and that it's far too linear in response to be a good, musical guitar tube. He also says that the 6V6 is a wonderful tube-- so. he loves that 6V6, hates the 6AQ5.A (3) piece matching set of audio - guitar - amplifier - HAM - radio - TV tubes, type 6AK5. Tubes test good on the Heath IT-17 tester. Test readings match up well. Matching '10-52' date codes.Have one to sell? Sell now. 6AK5 - AUDIO GUITAR AMPLIFIER HAM RADIO TV tube - set of [3] 3d_electrical. (8334) 99.6% positive. Seller's other items. Contact seller. US $4.75. …Nov 28, 2023 · November 27, 2023. There’s a mystique among both audiophiles and musicians about vacuum technology, thus having a tube amp still carries a bit of a cachet. New ones can be bought for eye ...In my amp, I used a 12AX7 voltage amp coupled to a 6FQ7 differential pair, but I needed that much open loop gain because I applied 18 dB global feedback. Another idea you might consider, but at considerably less output power, is to configure the output stage for triode PP AB1 mode. A 5K OPT would work fine in that scenario.It's much like my '55 5D3 Deluxe tone-wise but tighter. 6AQ5's in the right circuit sound very similar to 6V6's and 6BQ5/EL84's. This amp is cathode biased but sounds completely different from Vox-like designs. It's also far more useful for bass as a studio amp than one in stock form. Not bad for roughly a $300 total investment.Description: JAN 5654W tubes is a great upgrade for Little Dot and Little Bear amps! This tube is a direct replacement for 7-Pin 6J1 / 6J1P / 6J1P-EB / 6Zh1P-EV / 6AK5 / 6AK5W / EF95 tubes. This tube is very high quality and will last for a long time. We subject these tubes to multiple test cycles and plate voltages to determine stability.

In my amp, I used a 12AX7 voltage amp coupled to a 6FQ7 differential pair, but I needed that much open loop gain because I applied 18 dB global feedback. Another idea you might consider, but at considerably less output power, is to configure the output stage for triode PP AB1 mode. A 5K OPT would work fine in that scenario.Used - Very Good. CAPE MAY, NJ, United States. $390. D-Lab/Dynaco Clipperton dual 6AQ5 guitar tube ampI was challenged to build a high metal distortion amp without following the typical design, so I came up with the Clipperton that utilizes a radio detector tube 6AL5. This amp is something special.This is the D-Lab D-62 boutique amp creation. 6 have been made. The last 2 were scaled down for 6AQ5 output tubes. The amp started its life as a solid state...This Night Lights item by mavrim has 37 favorites from Etsy shoppers. Ships from Port Jefferson Station, NY. Listed on Oct 17, 2023USB charger. 2.39 oz (67.76 grams) 4.7 x 3.8 x 1.5 inches (11.94 x 9.65 x 3.81 centimeters) Valeton is known for designing budget equipment, and here, you will get something quite impressive. While Rushead is a small, pocket-sized amp, it still sounds good and will significantly improve your practice.D-Lab 6V6 Champ circuit guitar tube amp in a RCA wood cabinet. The cabinet is an old RCA 50's era. Cabinets finish is original. This is a very special cabinet, featuring butterfly pattern veneer. If you are seeking a unique sound with lots of Mojo, Here it is! A very quiet/responsive amp. Perfect for recording and will look super in your studio.Revision 1a, Fall 2001. The Micro Champ was my second amp build, after the Moonlight. Its initial goal was to build a 1W amp with a basic preamp and a power section using the 6AK6, which is a 7-pin miniature power pentode. I succesfully built an initial version with a blackface Fender Champ preamp and a single-ended 6AK6.An American tube that has the same octal base as a 6V6 - and is a REAL PENTODE is the 6K6, and it requires about the same signal/drive/grid voltage to be driven to full power as a 6V6 - they can be used in lower voltage cathode biased (<300) amps with out any change of bias, etc. and sound very similar to EL84 - they only produce about %75 of ...May 25, 2019 · I also added a 100k pot in series with a 22k resistor to adjust the nfb. I also added a dpst switch on G3 of the tubes to be able to use 6AK6 (1.1w) 6AM5 (3 watts) or 6AQ5 (4 watts). I just use pin 1 only for G1 and switch G3 pin 7 to either pin 2 (cathode) on the 6AK6 or leave pin 7 open for 6BM5/6AQ5.Hoffman Amplifiers Tube Amp Forum, 6AQ5 Single Ended. Welcome To the Hoffman Amplifiers Forum May 24, 2024, 04:54:00 am: Welcome, Guest. Please login or register.-User Name -Password ... Yes, the 6x9 speaker may have been intended for a wider frequency range (especially treble) than what is typical in guitar amps. Logged …In my amp, I used a 12AX7 voltage amp coupled to a 6FQ7 differential pair, but I needed that much open loop gain because I applied 18 dB global feedback. Another idea you might consider, but at considerably less output power, is to configure the output stage for triode PP AB1 mode. A 5K OPT would work fine in that scenario.D-Lab/Zenith Model M-7, 6AQ5 guitar tube amp. I was challenged to build an all 7 pin miniature tube amp. So here it is! Super sound. Design is close to a Fender Champ circuit. No tone controls, however it does incorporate my famous (Opti-plex) which allows pre-amp tube tone rolloff at different frequencies. 4 tubes: 2- 6AV6, 6AQ5, 6X4.PRNDL said: I'm having problems with my 6AK6 push-pull guitar amp, which now has a scratchy sound at high volumes. I've gone through everything and it appears to be the output tubes. The amp has a B+ of 290 volts, which puts about 250 volts to the anodes of the output tubes and slightly less to the screens. Several people mentioned that 6AK6's ...D-Lab/Heathkit IP-2718 Power supply conversion guitar amp. One of a kind creation. I will not be making another. This is a new design featuring my ECB-AB driver board. A very clean build, Cathode biased, very reliable. The Heathkit test equipment provides a unique look for a small practice head. Cabinet does show wear from its years of service.Gibson Scout 17-RVT uses 6AQ5 with 305v on the plates. Location: Seattle, WA. The Gibson Crestline GA-5 Skylark amps use 6AQ5's in pairs. This is a version of DaGeezer's Little Wing amp that originally used 6BM8 tubes. I drew up this schematic but never got around to building the amp.6AQ5. The 6AQ5 [1] ( Mullard–Philips tube designation EL90) is a miniature 7-pin (B7G) audio power output pentode vacuum tube with ratings virtually identical to the 6V6 at 250 V. [2] It was commonly used as an output audio amplifier in tube TVs and radios. It was also used in transmitter circuits. [3]May 16, 2023 - This Pin was discovered by Michael P. Koryciak. Discover (and save!) your own Pins on PinterestThis is the D-Lab D-62 boutique amp creation. 6 have been made. The last 2 were scaled down for 6AQ5 output tubes. The amp started its life as a solid state...Guitar Amplifier. The Next Generation of a Modern Classic. With Katana Gen 3, the acclaimed BOSS stage amplifier series evolves to take your guitar ambitions to the next level. New Tube Logic enhancements enrich the core platform with even greater sound, feel, and response, including an expressive Pushed amp character that edge-of-breakup fans ...

Hello all, I'd like to introduce a new style amp that I've just built, a 10 watt 6AQ5 power section with a TMB preamp. It does cleans well, rolls into class...

Hoffman Amplifiers Tube Amp Forum, Pentode as the last stage in the Preamp. Welcome To the Hoffman Amplifiers Forum April 09, 2024, 10:02:46 am ... Maybe it would be worthwhile to do some testing of a similar architecture as guitar amp as in the AX84 Raffle amp K. Logged The world is a nice place if there is health and there are friends.

SE 6AQ5 stereo amp. 05-15-2015, 07:24 PM. Hey everyone, first post to the forum! I cannabalized a defunct Sony TC-500a tube reel to reel. It has a matching pair of HUGE 5K OT's, a solid PT and all the tubes to compliment. I have loads of experience with building guitar tube amps so i was thinking a small desktop tube amp would be a fun project.6AQ5-6AQ5 guitar amp. This is a small practice amp for my home in Sweden. My design polycy of building amplifier is little weird, I first choose the personnel of tube names regardless of circuit. I insist the set of tube names that should sound nice to me. And I like this 6AQ5-6AQ5. You know, 6AQ5 is a miniature power tube which is equivalent ...A (3) piece matching set of audio - guitar - amplifier - HAM - radio - TV tubes, type 6AK5. Tubes check good on the Heath IT-17 tester. Test readings match up well. Matching '10-52' date codes.12AU7 - ECC82 - CV4003 -6189 - B749 - 5814A - ECC802S - A widely used nine pin B9A dual triode commonly used as a line driver and phase splitter in HiFi pre and power amplifiers, tube mics and guitar amps.. FAST SHIPPING AUSTRALIA and NEW ZEALAND. ELECTRO HARMONIX, GENALEX GOLD LION, TUNG-SOL, JJ, EHX GOLD, MULLARD, G.E. Current production and New Old Stock 12AU7 - ECC82 Valves in stock and ...D-Lab 6V6 Champ circuit guitar tube amp in a RCA wood cabinet. The cabinet is an old RCA 50's era. Cabinets finish is original. This is a very special cabinet, featuring butterfly pattern veneer. If you are seeking a unique sound with lots of Mojo, Here it is! A very quiet/responsive amp. Perfect for recording and will look super in your studio.A friend GAVE me (Free! Nice!) an old amp with a missing 7-pin output tube. The other tubes are 12AX7 and 6X4. Another friend THINKS that the missing tube is probably a 6AQ5 (7 pin equivalent to the 6V6). (Nice amp in that it has three controls, volume, bass & treble). I have now bought a used 6AQ5 which tests OK and am ready to plug it in.D-Lab/Ampex 6AQ5 guitar tube ampFor the new year, D-lab is going back to the basics. Back in the day, I made these cool ampex speaker amps, they were a hit and affordable, so here it is again. A cool compact 3 watt amp with super class A sound. Great for your recording studio.3 Tube Line-up: 6AQ5...6AK5 Sensibly equivalent ¶ to: 403A 5654 6069 6AK5W 6F32V 731A CV850 DP61 EF95 M8100 PM05 Extras National Union G8LSD Valve Collection Other 6AK5 exhibits . The 6AK5 is an amplifier pentode that is physically small and the electrode assembly is no more than a 10 mm cube. The use of this device lay in low noise RF amplification at VHF.

atandt self installation videofylm syksanabellastarpercent27selectra women 6ak5 guitar amp movies wilkes barre pennsylvania [email protected] & Mobile Support 1-888-750-6735 Domestic Sales 1-800-221-5088 International Sales 1-800-241-4189 Packages 1-800-800-8254 Representatives 1-800-323-6884 Assistance 1-404-209-4358. Did you know that there’s an easy way to measure amps? It’s true! Gone are the days of analog and digital multimeters, instruments that come Expert Advice On Improving Your Home .... sks basn bzrg Another cool unique amp by D-lab. Emi decided to do the intro. Although she is a not an expert in this field (YET), her presentation will melt your heart. Th...If you need to change the 6J1, the American equivalent of the 6J1 is the 6AK5 or 6J1P-EV. 6AK5 variants include 6AK5W, 5654, and Western Electric 402A. The European designation is EF95. ... and you'd rarely find a tube guitar amp lacking even a single 12ax7. The 12ax7 tube is designed with high gain capabilities and is probably the reason it ... homes for sale in dallas under dollar200ksksy masazh 6AQ5 SE amp build from Ampro parts. Hi All. I am converting an old Ampro reel-to-reel into an SE guitar amp. The tape mechanisms were all rusted to hell and non-functioning, but the basic amp seems nicely intact, as is the wee cabinet that I'll re-use to house the amp. My question concerns possible schematics to follow during my rebuild. walker funeral home mebane nc obituariesaks lkht New Customers Can Take an Extra 30% off. There are a wide variety of options. 2015-11-29 4:43 am. #1. hi everyone looking in,....i'm in search of answers .....I have built a handful of amps,an 18 tmb,a 36tmb, a howler monkey, an angella,dual single ended with 6aq5's (dropped plate and grid volts to suit), and am now working on a howler monkey again,but with 4 6aq5's in the output. The Howler Monkey Push Pull 6AQ5 Guitar ...This amp was designed for an absolute minimum parts cost, so it used tubes common in the last generation of vacuum tube radios. This allowed for a $12 power transformer. The 18FW6 is a 6AU6 with an 18 volt heater. The 32ET5 is similar to a 6AQ5 with a 32 volt heater.Tested and matched Pair (2 tubes) of low-noise 7-Pin NIB/NOS GE JAN 5654W Vacuum Tubes. Considered one of the best of the 5654 / 6AK5 / EF95 family of tubes for audio use.Higher Durability and Life.5654W tubes can ONLY be used to replace 7-Pin 6J1, 6J1P / 6J1P-EB / 6Zh1P-EV, 6AK5, 6AK5W or EF95 tubes.…