No need to excuse yourself in any way, because to my best knowledge you're actually the only one who've made an in-depth full documented repair of this legendary (for good/worse) power amplifier. It's a privilege and an honor watching your struggle and satisfaction along the way and I would go so far as to say you're doing pioneering research and groundbreaking scientific work and I'm not saying too much here or superficially back-padding. It is a pleasure to follow, like I'm sure it's everybody else's experience. I'm watching because I remember it like yesterday, when it was launched and reviewed in a local Danish HiFi-magazine 40+ years ago. The design alone had me at Hello, back when I was a freshly made teenager and yes. I've been drooling ever since. It's your kind of restoration, that comforts me in knowing that an amplifier like that would be restored faithfully and then put back into service for a multiple of decades. In fact, if my financial situation allowed it, I'd buy it from you for your asking price. Other DIY-repair UA-camrs are doing tremendous work as well, no doubt about it. But none have digged into the Yamaha B6 so thoroughly and that's why I salute you. Cheers.
I hope someone has the right amount of money to buy this amazing amp from you, compensating the amount of work you have put in it to restore, in this quality!! Your videos are improving as well :)
No one ever wants to pay anything more than a used second hand unit generally and wants all the work for free. Im starting to accumulate too many amplifiers so some will need to go soon, I have contemplated some options like for charity auctions but thats a maybe for the future. This one will probably go on display / be used if we have a good final outcome:)
@@whatcouldgowrong7914 Oh really? I thought I would be just one looser in an ebay auction... You have many viewers, did you try to put your amps on ebay and alert your viewers? I value your work very highly, I am sure there are others as well. If I would want to buy an older amp, this is how I would be able to trust it 100%.
Curious, what laser speed/power settings are you using for the silpad material? And what on earth needs a round silpad? Great video and voice over work! This takes A TON of time to video and edit so I appreciate that you take the time to do it.
I 50/50 on changing out the trim pots. I test them and if they are able to achieve their full range without any "dodgy" spots in between, I tend to leave them alone. Maybe I should consider replacing them regardless. Which trim pots do you normally keep in stock? There are so many variations on trim pots that it seems like you could spend a fortune just keeping some in stock.
I tend to just order them with the capacitors, I have some cheap brand ones just for testing. I have a lot of trust issues with old trimpots as they’re also only rated for so many turns by the manufacturer and new ones tend to be sealed 🙂
@@Wil_BloodworthNot really, depends on the amplifier, some I use multiturns, others ill use normal ones and they’re generally different values or leg styles anyway
Not sure why you bend leads over though. Do you dislike your fellow technicians (LOL)? Bent-over leads makes desoldering with a proper desoldering gun considerably more difficult. It is not any more difficult to solder the leads straight than bent over.
It holds components in place for soldering and also provides mechanical stability which takes the pressure off the solder joint itself :) this PCB lives upside down when mounted in the casing. It is something I was always taught when I learnt to solder
The thing that always perplexes me about these restores is that the amount of labor would seem in many cases to far exceed the monetary value of the unit itself. Like in this case where you're going over all the solder points for hours. I can understand in the case of a personal project, but from a business point of view the amount of time invested would seem not to make sense to a customers point of view. Lol, that's a question.
But if you don't put in the time it won't be reliable. It's basically unpaid work, you know it has to be done to save the unit and while it's in pieces on the bench that is the best time to do it, you just have to accept that. Don't forget work at this level develops a reputation and that is more valuable than cash, your reputation is hard earned and easily lost so if you want people to appreciate what you do this is how you achieve that.
@@ian-c.01 No absolutely, it's an admirable ethic. So I assume what your saying is that not every case will be very labor intensive, but when it is you just absorb the value of your time and labor and develop a reputation for dependable work at a reasonable price. But if every case were like this I don't see how you could make a living.
@@adrieltzu3565 Very true, there is always 'bread and butter' work that allows you the time to take on these special projects. If you only worked on projects like this you would go out of business fast, luckily UA-cam can help pick up some of the slack now.
Yes it is one of the reasons I don’t do paid work like this, unless you’re a special type of nuts or it has sentimental value, it doesn’t make sense cost wise. I do these as statement pieces for my collection and knowing I have truely one of a kind examples to experience 🙏
No need to excuse yourself in any way, because to my best knowledge you're actually the only one who've made an in-depth full documented repair of this legendary (for good/worse) power amplifier.
It's a privilege and an honor watching your struggle and satisfaction along the way and I would go so far as to say you're doing pioneering research and groundbreaking scientific work and I'm not saying too much here or superficially back-padding. It is a pleasure to follow, like I'm sure it's everybody else's experience.
I'm watching because I remember it like yesterday, when it was launched and reviewed in a local Danish HiFi-magazine 40+ years ago. The design alone had me at Hello, back when I was a freshly made teenager and yes. I've been drooling ever since.
It's your kind of restoration, that comforts me in knowing that an amplifier like that would be restored faithfully and then put back into service for a multiple of decades. In fact, if my financial situation allowed it, I'd buy it from you for your asking price.
Other DIY-repair UA-camrs are doing tremendous work as well, no doubt about it. But none have digged into the Yamaha B6 so thoroughly and that's why I salute you.
Cheers.
Many thanks for taking the time to share :) much appreciate the feedback, helps me stay motivated on such daunting projects! 🙏
I hope someone has the right amount of money to buy this amazing amp from you, compensating the amount of work you have put in it to restore, in this quality!!
Your videos are improving as well :)
No one ever wants to pay anything more than a used second hand unit generally and wants all the work for free. Im starting to accumulate too many amplifiers so some will need to go soon, I have contemplated some options like for charity auctions but thats a maybe for the future. This one will probably go on display / be used if we have a good final outcome:)
@@whatcouldgowrong7914 Oh really? I thought I would be just one looser in an ebay auction... You have many viewers, did you try to put your amps on ebay and alert your viewers?
I value your work very highly, I am sure there are others as well. If I would want to buy an older amp, this is how I would be able to trust it 100%.
Curious, what laser speed/power settings are you using for the silpad material? And what on earth needs a round silpad? Great video and voice over work! This takes A TON of time to video and edit so I appreciate that you take the time to do it.
I 50/50 on changing out the trim pots. I test them and if they are able to achieve their full range without any "dodgy" spots in between, I tend to leave them alone. Maybe I should consider replacing them regardless. Which trim pots do you normally keep in stock? There are so many variations on trim pots that it seems like you could spend a fortune just keeping some in stock.
I tend to just order them with the capacitors, I have some cheap brand ones just for testing. I have a lot of trust issues with old trimpots as they’re also only rated for so many turns by the manufacturer and new ones tend to be sealed 🙂
@@whatcouldgowrong7914 is there a standard one you like to use? 1 turn? 10 turn? 150K?
@@Wil_BloodworthNot really, depends on the amplifier, some I use multiturns, others ill use normal ones and they’re generally different values or leg styles anyway
How is the custom Lundahl transformer project coming?
Coming back to those other transformers after this amp is done and my plate is clear. Wasn’t happy with their performance out if the box unfortunately
Not sure why you bend leads over though. Do you dislike your fellow technicians (LOL)? Bent-over leads makes desoldering with a proper desoldering gun considerably more difficult. It is not any more difficult to solder the leads straight than bent over.
It holds components in place for soldering and also provides mechanical stability which takes the pressure off the solder joint itself :) this PCB lives upside down when mounted in the casing. It is something I was always taught when I learnt to solder
Ahhh, soldering pron.
The thing that always perplexes me about these restores is that the amount of labor would seem in many cases to far exceed the monetary value of the unit itself. Like in this case where you're going over all the solder points for hours. I can understand in the case of a personal project, but from a business point of view the amount of time invested would seem not to make sense to a customers point of view. Lol, that's a question.
But if you don't put in the time it won't be reliable.
It's basically unpaid work, you know it has to be done to save the unit and while it's in pieces on the bench that is the best time to do it, you just have to accept that. Don't forget work at this level develops a reputation and that is more valuable than cash, your reputation is hard earned and easily lost so if you want people to appreciate what you do this is how you achieve that.
@@ian-c.01 No absolutely, it's an admirable ethic. So I assume what your saying is that not every case will be very labor intensive, but when it is you just absorb the value of your time and labor and develop a reputation for dependable work at a reasonable price. But if every case were like this I don't see how you could make a living.
@@adrieltzu3565 Very true, there is always 'bread and butter' work that allows you the time to take on these special projects.
If you only worked on projects like this you would go out of business fast, luckily UA-cam can help pick up some of the slack now.
Yes it is one of the reasons I don’t do paid work like this, unless you’re a special type of nuts or it has sentimental value, it doesn’t make sense cost wise. I do these as statement pieces for my collection and knowing I have truely one of a kind examples to experience 🙏