6ak5 guitar amp. The Western equivalent is 6AK5 or EF95. 6AS6 has a different suppressor grid to give dual control characteristics. ... the ECC86 went from been a cheap throw away valve to been an expensive valve when Broskie used it in one of his Akido amps. ... when designed synthesizers, guitar effects, and later, when designed and built Hig-End audio ...

New ECB series eyelet/PCB from D-lab. This is a basic way to construct a super sounding class AB guitar amplifier. I will supply the board, bare or populated...

6AK5 - AUDIO GUITAR AMPLIFIER HAM RADIO TV tube -- lot of (4) Verkauft Siehe ähnliche Artikel EUR 5,27 1 Gebot , eBay-Käuferschutz Verkäufer: 3d_electrical ️ (8.130) 99.6% , Artikelstandort: Flemington, New Jersey, US , Versand nach: WORLDWIDE, Artikelnummer: 384247851216 6AK5 - AUDIO GUITAR AMPLIFIER HAM RADIO TV tube -- lot of (4).My SE guitar amp project is based on a Caliphone record player. SE 6BQ5 with a 7199 input/driver stage. I kept the amp on the chassis but stripped out unneeded circuitry. I plan on mounting the amp section into the player's cover which houses a nice Jensen 12" speaker. I have to fabricate a control panel and cover for the circuitry to shield it ...

Logged. Re: Quad SE 6aq5/6P1P-EV build questions. #2. June 08, 2016, 02:07:38 PM. There are 2 methods that are generally used for switching output tubes ON/OFF. IN NEITHER case are the anodes disconnected. Method 1 uses a bog standard switch in the cathode circuit. A MOSFET can be used in lieu of a switch.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 preampIt's a new design of sorts for me a 20W 6AQ5 amp in a 1959/87 SLP preamp. I had MPS build me a custom wound PT 275-0-275 with a lot larger filament winding to handle the extra pair of 6AQ5's. This will have a quad of 6AQ5's, and the 3 each 12ax7's in the preamp, will use a 5y3 for the rectifier. I love the tone that Lil59 has, just want to have ...2pcs 6J1P 6AK5 Valve Vacuum Tube For PreAmplifier Board Headphone Amplifier. Shipping, arrives in 3+ days. JJ Electronics 6L6GC Power Vacuum Tube Single. Add. $38.99. ... 2 pcs Vacuum Tube Guitar Pre-Amp Vacuum Tube, Guitar Tubes, Audio Tubes, Great , Stereo. Shipping, arrives in 3+ days.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 …The Tone Hag - 6AQ5 Push Push All Tube Guitar Amp HeadInfo:- 5Y3 rectifier- 6AQ5 power/output- 12AX7 long tail phase inverter- 12AX7 gain stages 1 and 2- one...It is used in the vertical preamplifier of the 517, 524, 53/54C, CA, G, K, L and Z . Heater: 6.3 V, 0.175 A, indirect. Tek part numbers: 6AK5: 154-0014-00. …the RCA Resistance Coupled Amplifier Charts provide a wealth of knowledge - attached are excerpts relevant to the 6AU6. --DL. EDIT: IR1 = 278V-18V = 260V so then IR1 = 260V / 150KΩ = 1.733mA. IR2 = 18V / 27KΩ = I of R2 = 667uA. so by KCL then IR1 = Ig2 + IR2. rearranged; Ig2 = IR1 - IR2 = 1.733mA - 667uA = 1.066mA.#1. The 6AK5 is the gold medal dumpster tube and you can't give it away, but looking at the specs I wonder if this has value as an early gain stage in a phono or tape …

5654 / E95F / 6AK5W / CV4010 Pentode, NOS-NIB/USA. most stock made by General Electric / USA, longlife "W" JAN quality, equivalent of E95F, CV4010 und 6AK5W. …In the example he uses an EF86, which is a 9 pin pentode more frequently found in guitar amps than the 6AU6 which is more of a phono / radio tube. But they both have the same basic elements and there is a lot of good info there for you. Here is an example in action, with Mark Lavelle's Decimator. Check out how he sets up the 6AU6,Actually have an amp sitting around with a Mosfet PI and one 12AX7 driving a pair of 12AQ5's, a 7-pin tube like the 6AK5. With a little rewiring it could work. ... While not really designed as a stand-alone guitar amplifier, my rough estimate is that the 6JW8 will deliver approximately 1/4 watt of audio power into the primary of the transformer ...

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 in the ...

6aq5 tubes in a guitar amp. Thread starter pucho812; Start date Jul 30, 2013; ... Location third stone from the sun. Jul 30, 2013 #1 here is a little layout for an amp using 6aq5 tubes 8) Attachments. 5E3_Layout_with_6AQ5_Power_tubes.GIF. 144.7 KB · Views: 24 Reply. Post reply Insert quotes… Similar threads. M. Magnatone tube amp ...

6AS6 are tiny dual control RF pentodes, with very compressed output unless you put around +8V to +10V on grid 3 with respect to cathode. I thought you mentioned 6AQ5 tubes as available. Use the 6AS6 tubes for fishing bobbers. Even sub-mini wire leaded tubes can leave 6AS6 in the dust. Last edited: 2020-02-10 2:45 am.This amplifier is officially compatible with the following tubes: "6J4, 6K4, GE5654, JAN 5654W, 6J1, 6J1P, 6AK5, 6BC5, 403A/B, EF40, EF95, and so on". I have personally tested it and achieved good results with the following tubes: - Chinese 6K4 (EF93/6BA6 family) - Chinese 6J4 (EF94/6AU6 family, stock tubes) - GE JAN5654W (EF95/6AK5 family)New ECB series eyelet/PCB from D-lab. This is a basic way to construct a super sounding class AB guitar amplifier. I will supply the board, bare or populated...Re: Transformers for 6AQ5/6005 SE Build. by [email protected] » Sat Nov 11, 2023 2:21 am. Its been awhile since people have posted here. I've worked with P-P and SE 6AQ5s and 6005s for over ten years now, several DIY amp designs and builds, and have some Tips to share. My listening experience is with 6005s mostly, GEs.2022-10-06 9:24 pm. #1. I purchased an assembled 6AU6 6AQ5 SE Amp from China. It worked as assembled but was not correct. The PCB was not correct. I had to cut traces, add correct capacitors/resistors for the voltages and rewire correctly the power supply CRC filters.

The 6AK5 vacuum tube is a miniature 7-pin sharp-cutoff pentode used as RF or IF amplifier especially in high-frequency wide-band applications at frequencies up to 400 MHz . It was developed by Bell Labs / Western Electric and used extensively as an I.F. amplifier in World War II radar systems. The tube is notable for its extremely fine grid ...The 6AQ5 is a beam power tube based on a 6V6 and really does sound amazingly like one - only when really cranked to the max does it sound different and that's still good. The 6BQ5 is the EIAA designation for the European designed EL-84 pentode which sounds, to my ears, much like a EL-34 - a "family" resemblance."Subscriber. Apr 1, 2013. #11. The 8800 series amps used 6V6 (octal) power tubes and a 6CA4 (noval) rectifier, so yes, that one has no 5V filament tap on the PT. The 9300 used 6BQ5 (noval) power tubes and a 5U4GB (octal) rectifier. this amp also uses a choke, and has slightly bigger OTs than the 8800.Um amplificador valvulado de guitarra com duas válvulas 6aq5 em paralelo em classe A, cerca de 7w medidos com som bastante alto.BG123 - This episode is focused on the power supply sections of tube amplifiers. Dynaco Mark III, Fender Deluxe Reverb, and a Single Ended SE KT88 amplifier...Each channel on this amplifier is driven by single-ended 6AQ5W with UL (Ultra Linear) connection (3W per channel output); therefore, the H-507S (rated 7W) output transformer from Hashimoto could have been adequate. However, Mr. Atarashi rather used a stepped up model, the H-20-7U (rated 20W at 50Hz) because he thought the H-20-7U …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.6AK5 6AL5 Style Amber Vintage Vacuum Tube Valve LED NIGHT LIGHT (Steampunk TV Ham Radio Guitar Amp)Vacuum tube valve heater glows like it is sitting in the chassis of a tube guitar amplifier, radio or tv and will turn on as the room darkens and go out with ambient light. Heater glow is simulated ...After years of big amps, I recently picked up a Baron Snot watt putting out a massive 7w. I was concerned at first about the movement of air as an aspect of the tone. ... Thanks also to Guitar-Rocker for all of his inspiration, help and guidance. Thanx 4 Lookin' Gene . Guitar-Rocker Well-Known Member. Joined Mar 5, 2012 Messages 3,206 …The 6AQ5 output tubes are described in the RCA receiving tube manual as being lower voltage versions of the larger 6V6 beam power pentodes. The maximum undistorted power output from this amplifier is about 5 watts, which is plenty loud for a practice amp. The amp can drive an 8", 10" or 12" guitar speaker.This is a suitable replacement for any 6AK5 / EF95 / 5654 tube type. Various brands.Price is for a Single Tube This is a suitable replacement for any 6AK5 / EF95 / 5654 tube type. ... 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;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 …Push-Pull (PP) EL84 (6BQ5) or 6V6 (6AQ5) Tube Amp Schematic with Dynaco A-410 Transformers. The power supply uses a 5Y3 tube rectifier and a C-R-C filter. More information about tube power suppies is available in the Power Supply Design for Vacuum Tube Amplifiers article. For an application of this push-pull tube amplifier schematic using 6SL7 ...6AK5. 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. Within the box shaped anode can be seen the grid structure. It is hard to see the control grid as it is made of very fine wire and close in to the cathode.In the example he uses an EF86, which is a 9 pin pentode more frequently found in guitar amps than the 6AU6 which is more of a phono / radio tube. But they both have the same basic elements and there is a lot of good info there for you. Here is an example in action, with Mark Lavelle's Decimator. Check out how he sets up the 6AU6,6AQ5 calls for a 5.5K primary impedance for class A1 pentode, and 5K for triode. Pretty much a 6V6 in a seven pin bottle. A single-ended 6AQ5/6005 stereo amplifier with all seven pin tubes would be kinda cool to me. Some sort of a seven pin single triode driving a 6AQ5, with a 6X4 rectifier tube, or a SS bridge power supply.Happy Friday! Happy Friday! Stoners, whether they consider themselves aesthetes or not, have a tendency to obsessively appreciate nice details, whether it’s the electric melon shad...I disassembled it, the most components were transformers with a restricted bandwidth, so I think not reusable for guitar amps there were 3 x 5654 tubes and 1 x 6AK5 tube (near the same tube I've read)3. 6AK5とFETバッファを用いたハイブリッドパワーアンプ. 2. Mitsuharu A. 2021年1月1日 00:49. 本節では、出力バッファとしてMOS-FETバッファを用いたハイブリッドパワーアンプの回路図を示します。. 基本的な回路構成は前節と同じで、前段の真空管アンプで信号を ...

Um amplificador valvulado de guitarra com duas válvulas 6aq5 em paralelo em classe A, cerca de 7w medidos com som bastante alto.The average microwave draws 5 amps of current during its use. However, some microwave use and maintenance manuals request that the microwave be plugged into its own circuit of at l...Rebecca Genel Global PR/Media Relations Manager Roland Corporation (323) 890-3718 [email protected]. Los Angeles, California, May 23, 2024 …Amps do not contain any volts. Volts and amps are two different types of electrical properties, and one does not contain the other. A relationship does exist between volts and amps...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 …6v6 single-ended tube stereo integrated amplifier (hand-built) photoSingle 6v6 ended amp triode audio circuit 6v6 reverbWhat are the best 6v6 tube amps? - music gear zone. Single-ended 6v6 amplifier photo #432234Single-ended 6v6 amplifier photo #1354379 Single-ended 6v6 amplifier photo #13543796v6 amplifier single ended. Check DetailsQuantity in stock: 56. New-Old-Stock (NOS) tube. The 6005 is a miniature beam-power pentode for use as an audio-frequency power amplifier. In this application the tube is capable of delivering an output of approximately 4.5 watts. The 6005 is a special-quality tube for use in critical industrial and military applications in which operational ...

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.Here is another D-lab electronics retrofit amp. This time from tuner to guitar amp "Tramp" This amp went together well. I utilized the original tube sockets....A (4) piece lot of audio - guitar - amplifier - HAM - radio - TV tubes, type 6AK5. Tubes test good on the Heath IT-17 tube tester. I will accept a check from.2022-10-06 9:24 pm. #1. I purchased an assembled 6AU6 6AQ5 SE Amp from China. It worked as assembled but was not correct. The PCB was not correct. I had to cut traces, add correct capacitors/resistors for the voltages and rewire correctly the power supply CRC filters.6J6 as power tube for mini guitar amp? 6J6 as power tube for mini guitar amp? Started by blackcorvo, February 08, 2015, 08:40:06 PM. Previous topic - Next topic. Print. Go Down Pages 1. User actions. blackcorvo. Great Contributor! Posts: 147; Artist, Musician, GameDev, Maker; Location: Brazil;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.Matador is a travel and lifestyle brand redefining travel media with cutting edge adventure stories, photojournalism, and social commentary. A busker strums classic Celtic tunes on...Unlike almost all amps audiophiles have ever experienced, or may see in our audio arts, front end B+ will be fully tube regulated, with a separate 5651 for each 6SL7 triode section. All film caps throughout, every " C " position multiple-bypassed. ... I'm not much of a guitar player, but it has very nice tone, plus excellent reverb and tremolo ...The Howler Monkey Push Pull 6AQ5 Guitar Amp. This amplifier is a push-pull design which features a pair of 6AQ5 beam power tubes driven by a 6J6 dual triode, all of which are 7 pin miniature tubes. It is the higher power successor to the the Squirrel Monkey amp project. In fact, the only thing this amp has in common with the Squirrel Monkey amp ...Fender Musicmaster Bass 2-Channel 12-Watt 1x12" Bass Combo 1973 - Silverface. Used - Fair. Tulsa, OK, United States. $700. $70.01 price drop. $629.99. Add to Cart. Price Drop. Fender Musicmaster Bass 2-Channel 12-Watt 1x12" Bass Combo 1970 - 1980 - Silverface.The Howler Monkey Push Pull 6AQ5 Guitar Amp Amplifier_Circuit Circuit Diagram. Radio Spares Output, Transformer in excellent condition with original hardware in a grey hammerite, New Old Stock, Never installed in an . Ross' DIY Stereo Tube Amp| Builds and Project Cars forum. Vacuum varnished, Primary:, -205-225-245V 50/60 cycles, Secondarys ...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. …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 Reverb Tube Amp Kit ...12AX7 Style Vacuum Tube LED Night Light (3 Colors) Ham Radio TV Guitar Amp Steampunk (234) $ 24.95. Add to Favorites Mini Vacuum Tube Night Light LED Color Change AMP Tube Light (22) $ 24.99. FREE shipping ... 6AK5 6AL5 Blue Vacuum Tube Valve LED Night Light (Steampunk TV Ham Radio Guitar Amp) (234) $ 24.95. Add to Favorites ...The fact that people can swap 6V6 and EL84 in guitar amp circuits says nothing; people routinely swap 12AX7, 12AY7, 12AT7 and 12AU7 there too although all they have in common is a pinout and heater current. 6V6 and EL84 are almost bound to have a similar required anode load because they are designed to run similar power from a similar supply ...I tap into the AM section of this old radio to make a guitar amp.https://merwinmusic.com/2019/03/30/radio-guitar-amp-conversion/Patreon: https://www.patreon....6AQ5 amp project. 10-03-2018, 10:00 AM. Hi everybody, I have some parts laying around and have been thinking of building a guitar amp based on 6AQ5 power tubes. The output transformer is a Stancor A-3852 which is rated at 40 DCmA / 18W. I am wondering if this output transformer would be suitable for a power amp with 4x 6AQ5 tubes.

6: Amplifikation Lite by Kuassa. Available as: Plugin only. Amplifikation Lite is a simple and free amp simulator plugin with three channels; clean, rhythm, and lite. You can shape your tone using the channel selector, gain, bass, middle, treble, presence, volume, and cabinet on/off.

Demonstration of the new D-Lab 3C amplifier. Features a 2 watt tube system, 3 tubes: 6X4, 6AV6 and 6AQ5. Custom Point to point wired chassis. Real nice tone....

Hoffman Amplifiers Tube Amp Forum, 6AU6 6AQ5 guitar amp. Welcome To the Hoffman Amplifiers Forum May 23, 2024, 01:43:49 pm: Welcome, Guest. Please …Joined. Sep 22, 2009. Messages. 4. Oct 1, 2009. #1. The 6AK5 is the gold medal dumpster tube and you can't give it away, but looking at the specs I wonder if this has value as an early gain stage in a phono or tape preamp. Triode strapped it looks pretty good. Any experience with this tube.An amp project especially for first-time builders of a single-ended design using the 6BQ5/EL84 tube in triode mode. ... or, about 5W in pentode mode. These tubes are very rugged. Many guitar players still use practice amps that have them in either SE or PP configuration. Personally, I have never replaced a 6BQ5/EL84 due to failure; some have ...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.D-Lab Vintage Class AB 6AQ5 repurposed tube guitar amp. PLEASE READ:: Here is a unique concept, converting an obsolete General radio 1390B Random Noise generator to a useful tube head! A cool compact 8 watt amp with super dynamic sound. Great for your recording studio. Built on the original chassis, maintaining as much of the original parts ...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.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 ...Buy Riverstone Audio - Tested/Matched Pair (2 Tubes) 7-Pin JAN 5654W Fully-Tested Vacuum Tubes - Upgrade for 6AK5 / 6J1 / 6J1P / EF95 - JAN 5654W Platinum Grade Pair: ... ***REPLACE OR SUBSTITUTE AMPLIFIER TUBES WITH CAUTION: AMPLIFIER DAMAGE CAN OCCUR IF YOU USE THE WRONG TYPE OF TUBE***

professional womencaseypercent27s sports grill birmingham menublog introsteaneck nj zillow 6ak5 guitar amp wal mart 376 supercenter products [email protected] & Mobile Support 1-888-750-6401 Domestic Sales 1-800-221-3792 International Sales 1-800-241-7263 Packages 1-800-800-3501 Representatives 1-800-323-6590 Assistance 1-404-209-6042. Guitar Rig 6 Player Interface. Guitar Rig 6 also has its free "lite" version, which includes the same sound quality as the paid one, giving you a realistic tone. The limitations of the free Guitar Rig 6 are in the options of cabinets, effects pedals, positioning, presets and other options. It has an intuitive and easy-to-use interface. The Guitar Rig is for many the best virtual guitar amp .... carlos and charlie Feature： These vintage, 1980s - military specification - General Electric valves are a perfect upgrade,JAN GE5654W Vacuum 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. 5654W Vacuum Tubes is very high quality and will last for a long time.The best indicator of a properly functioning amp is voltage readings on all the tube pins. But first lets check the one thing that your symptoms suggest. Set your meter to AC volts and connect it across the speaker terminals. With no guitar plugged in but the volume controls up, you should get a very low reading in the 10s of millivolts or lower. sks arwpayyfylm synmay Tube 6AQ5 or Röhre 6AQ5 ID2118, Beam Power Tube, Miniatur-7-Pin-Base B7G, USA 1940 and Power/Output shown. Radio tubes are valves. ssks trkysks znan dwjnsh New Customers Can Take an Extra 30% off. There are a wide variety of options. For "ordinary small triodes" like 12AU7, 50K to 250K is a good starting value. The 6AK5, when triode-strapped, is just an ordinary small "medium"-Mu triode. Wire it up. For very small signals, it will actually work fine without cathode resistor. For stepped-up microphones in modern studios, you do need some bias.Functioning Circuit of Above (30W into 2 ohms) Quick and Dirty Amp. Differential Input Stage (adaptation of 20W amp above) Driver/Output Stage. Simple 5W Amp. Traced Circuit of a Magnavox Console Radio Amplifier (one channel shown, no power supply) SRPP Headphone Amp (not actually SRPP) Solid State: Everything Else.1/2 watt guitar tube amp single 6AQ5 12AX7 No harmonic overtones. Collapse. X ...