Heres the answers to your questions: 1. Hi Nicholas, and thanks for all the great feedback! Haha, I am based in the UK and didnt realise they would be so expensive! We are not affiliated with Hughes and Kettner!! This is also a commonly faced problem of the Hughes and Kettner amp, and this could probably be because of loose wiring. That maybe some remnant of early experiments with programming it to switch midi using a TC Nova System and a Midi Mouse switcher. operate your tube amp without a load/speaker(s). Hi there. It may also mention something else that you've overlooked. The Hughes and Kettner amp is known to have impressive features in regard to design. Is it normal? If you didnt, its possible a previous owner has put something else in there, but that also wont work because only EL84 tubes fit in those sockets. Hello guys..great blog and I have been a huge fan of H&K for some time now. Need your advice here Wed suggest you check the tubes again just to make sure. So here it is. 
If no cab is connected, the amp will automatically switch to silent mode to protect the power amp. I wish I could help directly, but my suggestions would be really just troubleshooting guesses (factory reset?). ), How many fans does the GM need?! Hi Anthony, and congrats on your new TubeMeister 18! TSC is there just to monitor and adjust the bias current of the tubes as and when necessary. The first amp I returned and the shop agreed after trying it too. If not, you may be best to just return it as defective. It happens. Thank you for the next question where can i purchase these tubes from as have looked on line but cant find a dealer that stocks them.one needs replaced thank you. It's nowhere near loud enough to cause any problems though. (button could be placed next to the attenuation selector and open a new page similar to the library function?). As mentioned above, there can be various problems that you might have to face with your Hughes and Kettner amp, but the severe problem would be your amp dying out on you. (or does it just sit in a rack, tie it down with string kinda thing? Well, H&K writes the following in the TM36 manual: TSC checks tubes's bias points to let you determine if pairs match. . Once you have figured out any problem with the tubes, fuses, or their wiring, you can get these issues fixed immediately. Its the grand minster 40 delux. This would be with the Grandmeister 36 head. For cabinets wired in series: (Got it in my rack case and dont want to have to disturb all that cabling to measure them! Hey Cody, and thanks for your question! Oh, and is it possible to save patches/ banks of patches when it is connected to the app. 
When you press the 5W and 1W buttons, some of the power is converted into heat for further reduction, respectively. Incredible tube tones without speakers: why every guitar player needs a full range flat response (FRFR) amp! However, what you must be aware of is this: if you connect a different speaker, it needs to be connected the same way as the speaker youve got now. you can kind of sense it might be overheating to a dangerous degree feel free to ask your local H&K dealer to check it over for you. Does this mean it would also work on an adroid tablet? replex kettner and do not connect a cab with less than 8 ohms, you will always be safe. i connect my Helix to the loop of the ampas i have told them from the very beginning. The Red Box of the GrandMeister (and TubeMeister) captures the signal in between power amp and power soak, so even in silent recording mode (power soak set to 0 watts), you can enjoy full-blown power amp saturation. By I do have the hughes and kettner redbox which i bought recently and it seems that the problem started not too soon after i started using that. If you mix that up, youll get phase cancellation, and although this wont damage the amp, itll not sound good . But your best bet woulds be to take your amp to a tube expert tech who could take you through the different characters of each and help you find the one you like most. All exactly as you would expect, if yours is behaving differently then I'd suggest that it's faulty. It needs to cool down a bit. BTW I happen to be in the camp that swears by the Red Box I still have one that I bought 20+ yrs ago! My rig/pedalboard is significantly smaller, lighter, and less sophisticated. 
With regards to how youd mount it, were moving out of our expert territory here, so wed advise you to do some Googling to find out more from people who know their stuff Are you getting a tech to fit it for you, or do you plan on doing it yourself? You guys really help the rest of us Rock!!! We hope this helps and makes you feel better about the amp! Fantastic.
Ns2 noise suppressor I had the vol & gain at about 8 the other day and master at half way and it was doing a good job keeping up with drums and a 500w bass amp but will need more oomph when it comes to gigging and want that from the 412 (as will likely mic up and send redbox to PA for audience) but want that oomph from behind me as well Just dont want to blow anything up, but its German engineering so I do have faith! Designed to enable silent
You have to make sure you re-check all the wiring connections and see if you find a fault in them; you are most likely to come across some broken or loose wire that is making this sound. No, we didnt. luckily this was at a rehearsal.. . Please please please? How about creating a notes window that can be turned on and left on even when presets are changed? As obviously I wouldnt want to cause any damage to any of my equipment! But some guys love and swear by the Red Box sound. Like you say: just make sure your GrandMeister is getting the ventilation it needs in the rack dont have anything directly on top of it, and we would still recommend you have a fan system running so it stays cool enough. I would certainly be willing to pay extra for that. 1971 Olympic White with black undercoat - original finish or re-finished. Were harassing the H&K R&D team about a combo on a daily basis Denis, so fingers crossed one day there will be one! But I was warned about DI-ing a tube head. As stated in the TM18 manual: Note that if you choose to mute the amp, you do This problem usually occurs because of circuit-related problems that can cause this issue for you; this is why it is essential that you make sure that you keep checking the amp for such problems and get them fixed at your earliest; all you would need to do is to check the fuse of the lights. I have a H&K Tubemeister 36. The power soak transforms power into heat, you can see resistors and coils when you look at the bottom plate of the GrandMeister. I really like it and didn't have any issues with it other than not being able to keep up volume wise with my drummer and bass player. Am waiting for your response.I brought the amp new are 6n15n-eb power tubes el64,s or not???
Hope this helps, but let us know if you have any more questions! Neville youll need three 12AX7 (also known as ECC83) preamp tubes, and four EL84 poweramp tubes (make sure they are matched). There are no norms what that bleed should be. If the difference in flash counts is greater than four, we recommend installing a matched set of tubes to improve the tone. Actually I just tried switching the channels and on the crunch and gain settings there is some sound but it's very quiet and distorted. As long as you remember this, you should be on the safe side, even with a mismatched setup., The heat is normal with the power soak, and its nothing to be worried about. Leave an inch at the sides and maybe 3 at the top for adequate ventilation. You can use the iPad and logic in a MIDI loop, but it is tricky to avoid a MIDI feedback. not need to connect a speaker to the TubeMeister Never had any issues, and I bought it used. Ive just bought a TM18 Head and just wanted to double check that its fine not to connect a speaker to it when Im using the Redbox out in the 0 position? I've had it at least a year year and a half or 2 years. The silent mode switches off two tubes (using TSC) to reduce the power to 18 watts to reduce heat. We mean the whole thing, including the ends although its the top of the chassis where youll feel most of the heat. . Is it true that using the DI will eventually damage the tubes and then the transformer? Hi David. The other option wouldve been for us to build the GM36 with a wooden housing, but this wouldve got just as hot, even though it wouldnt have felt so hot to the touch on the outside. Wed also recommend trying getting a simple desktop fan or something, and setting that up behind the amp. ? Hi Alex, when using this so-called unofficial method, 17 out of 18 watts actually go into the load, so youre just fine . And maybe a looper. Re: cables, are you going to a mixer, or what? Parallel circuits are far more common. Is it safe (component-wise) to turn the master, channel volume AND gain all the way up on 36watts for practice/gigging scenarios? When you are using amps such as the Hughes and Kettner amp, you need to keep in mind that their maintenance and regular checkups are essential. I just hate not playing live gigs without this amp. If you want, you can of course also run a mic too and blend the signals this can help you conjure up some unique and cool guitar sounds but really, all you need to get rocking is the amp itself connected directly to the PA. Hope this helps . Died in what way? With logic or any other sequencer, you can store the values for any control in the song. Boss dd7 delay Also, I see that the TM212 cab is 16ohms Does this mean I could use 2 of these with the GM36? Would a cooling unit/fan best be placed aiming at the back of the GM36? Is normal what happen to me? The light issue can be resolved easily and it is not something you need to worry much about, the Hughes and Kettner amp aims to provide you with the best sound quality and these minor glitches can be conveniently fixed. , Hi Neville. 1. I mean i really do enjoy the tone and the feeling and everything on it but on the back of my head this temperature thing doesnt exactly let me enjoy the full of it, if you know what I mean. Note: Your post will require moderator approval before it will be visible. Its just part of the process, and the design of the system. A lead sheet managemenet will be tricky, but an extension of the text field for more characters sounds reasonable. One fell of my gear while loading out drunk, and it works fine. RED BOX output., Hi guys, Hmm, this is a tough situation. Hope this helps, and enjoy your GrandMeister!
If H&K claim then can "replicate this behavior", it sounds they do not want to be responsible. Could you give me a run down on what will work, and what will not work feature wise with the coreblade? Firstly, we assume youve not got anything else directly sat on the amp? But it doesnt provide any protection against incorrectly connected impedances. One wire is black one is white, but like I say, there is no + or signifiers on the speaker itself, Im thinking I put my GM36 on to silent record mode plug the speaker jack in (with the black cable connected to 1 speaker terminal and the white to the other.) Fs2 foot controller.
3. Im guessing keeping the components inside cool is the issue so best situated blowing cool air INTO the amp. Hi David. ernsttore, Anyway, were happy to have cleared this up, and that youre a Red Box fan anyway enjoy . Cheeeers, OK, so the feet measuremeants are 1.8mm and 2.2mm (for the bottom and the top bit attached to the head respectively, of course) good luck , Havent tried it loud for extended periods in the rack yet going to do so Saturday and assess then whether or not a fan unit will be necessary . Cheers Peter we always at least try to listen to you guys After all, yourE the ones playing our amps every day, and you know what you want! The shop i brought it from can verify this fact can you clear this up please asap!! Yes that happened to me and it was a blonde moment but oh well. I have loaded the iPad app and it works and was designed really well. Even in 36W mode, the metal plate on top of the GM36 acts as a heatsink, hence things getting a little toasty. When it comes to tubes, the tubes themselves are the things that will break after a period of time.
If no cab is connected, the amp will automatically switch to silent mode to protect the power amp. I wish I could help directly, but my suggestions would be really just troubleshooting guesses (factory reset?). ), How many fans does the GM need?! Hi Anthony, and congrats on your new TubeMeister 18! TSC is there just to monitor and adjust the bias current of the tubes as and when necessary. The first amp I returned and the shop agreed after trying it too. If not, you may be best to just return it as defective. It happens. Thank you for the next question where can i purchase these tubes from as have looked on line but cant find a dealer that stocks them.one needs replaced thank you. It's nowhere near loud enough to cause any problems though. (button could be placed next to the attenuation selector and open a new page similar to the library function?). As mentioned above, there can be various problems that you might have to face with your Hughes and Kettner amp, but the severe problem would be your amp dying out on you. (or does it just sit in a rack, tie it down with string kinda thing? Well, H&K writes the following in the TM36 manual: TSC checks tubes's bias points to let you determine if pairs match. . Once you have figured out any problem with the tubes, fuses, or their wiring, you can get these issues fixed immediately. Its the grand minster 40 delux. This would be with the Grandmeister 36 head. For cabinets wired in series: (Got it in my rack case and dont want to have to disturb all that cabling to measure them! Hey Cody, and thanks for your question! Oh, and is it possible to save patches/ banks of patches when it is connected to the app. When you press the 5W and 1W buttons, some of the power is converted into heat for further reduction, respectively. Incredible tube tones without speakers: why every guitar player needs a full range flat response (FRFR) amp! However, what you must be aware of is this: if you connect a different speaker, it needs to be connected the same way as the speaker youve got now. you can kind of sense it might be overheating to a dangerous degree feel free to ask your local H&K dealer to check it over for you. Does this mean it would also work on an adroid tablet? replex kettner and do not connect a cab with less than 8 ohms, you will always be safe. i connect my Helix to the loop of the ampas i have told them from the very beginning. The Red Box of the GrandMeister (and TubeMeister) captures the signal in between power amp and power soak, so even in silent recording mode (power soak set to 0 watts), you can enjoy full-blown power amp saturation. By I do have the hughes and kettner redbox which i bought recently and it seems that the problem started not too soon after i started using that. If you mix that up, youll get phase cancellation, and although this wont damage the amp, itll not sound good . But your best bet woulds be to take your amp to a tube expert tech who could take you through the different characters of each and help you find the one you like most. All exactly as you would expect, if yours is behaving differently then I'd suggest that it's faulty. It needs to cool down a bit. BTW I happen to be in the camp that swears by the Red Box I still have one that I bought 20+ yrs ago! My rig/pedalboard is significantly smaller, lighter, and less sophisticated. With regards to how youd mount it, were moving out of our expert territory here, so wed advise you to do some Googling to find out more from people who know their stuff Are you getting a tech to fit it for you, or do you plan on doing it yourself? You guys really help the rest of us Rock!!! We hope this helps and makes you feel better about the amp! Fantastic. Ns2 noise suppressor I had the vol & gain at about 8 the other day and master at half way and it was doing a good job keeping up with drums and a 500w bass amp but will need more oomph when it comes to gigging and want that from the 412 (as will likely mic up and send redbox to PA for audience) but want that oomph from behind me as well Just dont want to blow anything up, but its German engineering so I do have faith! Designed to enable silent
You have to make sure you re-check all the wiring connections and see if you find a fault in them; you are most likely to come across some broken or loose wire that is making this sound. No, we didnt. luckily this was at a rehearsal.. . Please please please? How about creating a notes window that can be turned on and left on even when presets are changed? As obviously I wouldnt want to cause any damage to any of my equipment! But some guys love and swear by the Red Box sound. Like you say: just make sure your GrandMeister is getting the ventilation it needs in the rack dont have anything directly on top of it, and we would still recommend you have a fan system running so it stays cool enough. I would certainly be willing to pay extra for that. 1971 Olympic White with black undercoat - original finish or re-finished. Were harassing the H&K R&D team about a combo on a daily basis Denis, so fingers crossed one day there will be one! But I was warned about DI-ing a tube head. As stated in the TM18 manual: Note that if you choose to mute the amp, you do This problem usually occurs because of circuit-related problems that can cause this issue for you; this is why it is essential that you make sure that you keep checking the amp for such problems and get them fixed at your earliest; all you would need to do is to check the fuse of the lights. I have a H&K Tubemeister 36. The power soak transforms power into heat, you can see resistors and coils when you look at the bottom plate of the GrandMeister. I really like it and didn't have any issues with it other than not being able to keep up volume wise with my drummer and bass player. Am waiting for your response.I brought the amp new are 6n15n-eb power tubes el64,s or not???
Hope this helps, but let us know if you have any more questions! Neville youll need three 12AX7 (also known as ECC83) preamp tubes, and four EL84 poweramp tubes (make sure they are matched). There are no norms what that bleed should be. If the difference in flash counts is greater than four, we recommend installing a matched set of tubes to improve the tone. Actually I just tried switching the channels and on the crunch and gain settings there is some sound but it's very quiet and distorted. As long as you remember this, you should be on the safe side, even with a mismatched setup., The heat is normal with the power soak, and its nothing to be worried about. Leave an inch at the sides and maybe 3 at the top for adequate ventilation. You can use the iPad and logic in a MIDI loop, but it is tricky to avoid a MIDI feedback. not need to connect a speaker to the TubeMeister Never had any issues, and I bought it used. Ive just bought a TM18 Head and just wanted to double check that its fine not to connect a speaker to it when Im using the Redbox out in the 0 position? I've had it at least a year year and a half or 2 years. The silent mode switches off two tubes (using TSC) to reduce the power to 18 watts to reduce heat. We mean the whole thing, including the ends although its the top of the chassis where youll feel most of the heat. . Is it true that using the DI will eventually damage the tubes and then the transformer? Hi David. The other option wouldve been for us to build the GM36 with a wooden housing, but this wouldve got just as hot, even though it wouldnt have felt so hot to the touch on the outside. Wed also recommend trying getting a simple desktop fan or something, and setting that up behind the amp. ? Hi Alex, when using this so-called unofficial method, 17 out of 18 watts actually go into the load, so youre just fine . And maybe a looper. Re: cables, are you going to a mixer, or what? Parallel circuits are far more common. Is it safe (component-wise) to turn the master, channel volume AND gain all the way up on 36watts for practice/gigging scenarios? When you are using amps such as the Hughes and Kettner amp, you need to keep in mind that their maintenance and regular checkups are essential. I just hate not playing live gigs without this amp. If you want, you can of course also run a mic too and blend the signals this can help you conjure up some unique and cool guitar sounds but really, all you need to get rocking is the amp itself connected directly to the PA. Hope this helps . Died in what way? With logic or any other sequencer, you can store the values for any control in the song. Boss dd7 delay Also, I see that the TM212 cab is 16ohms Does this mean I could use 2 of these with the GM36? Would a cooling unit/fan best be placed aiming at the back of the GM36? Is normal what happen to me? The light issue can be resolved easily and it is not something you need to worry much about, the Hughes and Kettner amp aims to provide you with the best sound quality and these minor glitches can be conveniently fixed. , Hi Neville. 1. I mean i really do enjoy the tone and the feeling and everything on it but on the back of my head this temperature thing doesnt exactly let me enjoy the full of it, if you know what I mean. Note: Your post will require moderator approval before it will be visible. Its just part of the process, and the design of the system. A lead sheet managemenet will be tricky, but an extension of the text field for more characters sounds reasonable. One fell of my gear while loading out drunk, and it works fine. RED BOX output., Hi guys, Hmm, this is a tough situation. Hope this helps, and enjoy your GrandMeister!
If H&K claim then can "replicate this behavior", it sounds they do not want to be responsible. Could you give me a run down on what will work, and what will not work feature wise with the coreblade? Firstly, we assume youve not got anything else directly sat on the amp? But it doesnt provide any protection against incorrectly connected impedances. One wire is black one is white, but like I say, there is no + or signifiers on the speaker itself, Im thinking I put my GM36 on to silent record mode plug the speaker jack in (with the black cable connected to 1 speaker terminal and the white to the other.) Fs2 foot controller.
3. Im guessing keeping the components inside cool is the issue so best situated blowing cool air INTO the amp. Hi David. ernsttore, Anyway, were happy to have cleared this up, and that youre a Red Box fan anyway enjoy . Cheeeers, OK, so the feet measuremeants are 1.8mm and 2.2mm (for the bottom and the top bit attached to the head respectively, of course) good luck , Havent tried it loud for extended periods in the rack yet going to do so Saturday and assess then whether or not a fan unit will be necessary . Cheers Peter we always at least try to listen to you guys After all, yourE the ones playing our amps every day, and you know what you want! The shop i brought it from can verify this fact can you clear this up please asap!! Yes that happened to me and it was a blonde moment but oh well. I have loaded the iPad app and it works and was designed really well. Even in 36W mode, the metal plate on top of the GM36 acts as a heatsink, hence things getting a little toasty. When it comes to tubes, the tubes themselves are the things that will break after a period of time.