All this talk of costs reminded me of this GEICO ad when I saw your sketch.
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That's right - which is why a DIY'er may prefer for the design in the OP.
But if cost were not a concern, which knob would you prefer? (My ulterior motive is to collect design elements for high-end consumers, who don't understand what the
GEICO ads are talking about.)
Was it the Tact Audio TCS perchance?
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And we have a winner... (thanks for finding it)
It's interesting that the knob is actually flush with the top. Probably that is a good idea for protection of the knob.
Do you guys like this design?
No, its technically impressive but simply too unbalanced and ugly, and looks more like a fancy clockradio
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Yes could be!
How about you run the output tubes down in-line with the off-center 'dial'...run the smaller drivers off to the right, mount the two OPTs laminations parallel with the top plate front to back or side to side. The 'dial' could be a nice meter movement with selectors flanked to the right (select voltages).
Look up "flouroscan" or nixie flourescent style output meters on the left.
_______________________________________________________________Rick.....
How about you run the output tubes down in-line with the off-center 'dial'...run the smaller drivers off to the right, mount the two OPTs laminations parallel with the top plate front to back or side to side. The 'dial' could be a nice meter movement with selectors flanked to the right (select voltages).
Look up "flouroscan" or nixie flourescent style output meters on the left.
_______________________________________________________________Rick.....
Attachments
No problem.
Well, not entirely.
For a while I was in the same boat as you. I was pretty sure that's what you were referring to, but it took a while before I was finally able to come up with the manufacturer.
Ehhhhh...
What I like most about that particular design is the display within the "knob."
InnerSound attempted something similar years back with their RCP-1 preamp.
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So what?
How would you know? Did you take a survey?
Trees take in carbon dioxide to grow and release oxygen as byproduct. Cutting them down to make things for us would reduce carbon consuming rate. Carbon-neutral? Where do you get this kind of notion from? Wait, don't answer, I know.
And create carbon dioxide. So much for carbon-neutral-ness.
Only if no tree ever grew in its place.
The problem is the massive release of carbon that's been sequestered in the earth for millions of years (i.e. the burning of coal, oil and natural gas).
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Not a question. Even for a 3rd grader, not a question. Form one and I'll respond.
Nope - I just looked inside a few Rolls Royces and noted the burr wood dashboard. I visited IKEA and noted the range of natural timber finishes that were being snapped up. I looked in a few interior design magazines and bookmarked the pages showing cedar siding, or natural timber interiors, or window frames in natural timbers. I looked at speakers and noted the wide range of natural timber finishes available in high end and faux timber in the low end (generally used to make it look high end!). I formed an opinion that this stuff sells ok, and that the timber is used to give object an appeal that implies high quality and longevity so a large number of people must like it.
Trees take in carbon dioxide to grow and release oxygen as byproduct. Cutting them down to make things for us would reduce carbon consuming rate. Carbon-neutral? Where do you get this kind of notion from? Wait, don't answer, I know.
True if that were the case except my timber came from a plantation forest - one is cut down, and another planted. The cut down one is then processed into finished timber not for burning or rotting but for furniture - a long term carbon sink. Not neutral as much as positive then.
And create carbon dioxide. So much for carbon-neutral-ness.
Yeah, well, I'll plant a tree...
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What's the problem? When and where was this massive release take place? Is the earth atmosphere massively filled with carbon dioxide now?
Your reply, "Wood is a reasonable insulator" in the context of tube amp chassis, was to make what point?
I was just wondering if your opinion can be backed up by facts.
Until that planted tree grows to reach its preceding tree's capacity level, there will be a reduction, technically speaking. Not that it's going to cause a world wide catastrophe.
Bringing up "carbon-neutral" agenda to this particular discussion is an indication of something which you would probably get offended if I spelled it out (so I won't), but you may want to start a separate thread on it if you so desire.
Throughout the 20th century and continuing today.
Far more than there would have been otherwise.
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Not really.
Until the wood from the other tree is either burned or rots, the carbon stored in it stays out of the atmosphere. Meanwhile, the second tree is busy taking more carbon out of the atmosphere.
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EvenHarmonics:
What is this intense aversion you have towards wood?
Were you raised in a big city whereby your only exposure to trees was "Those icky things" that rose out of the Iron gratings on the sidewalk?
Perhaps your parents were of the sterile 'Glass & Chrome' types?
Believe it or not wood has always been a very "human" material....it is/was a living thing that humanity has chosen to serve in a variety of roles. As such, it is a material that has a very deep connection with us all..............with a few exceptions.
_______________________________________________________Rick...
What is this intense aversion you have towards wood?
Were you raised in a big city whereby your only exposure to trees was "Those icky things" that rose out of the Iron gratings on the sidewalk?
Perhaps your parents were of the sterile 'Glass & Chrome' types?
Believe it or not wood has always been a very "human" material....it is/was a living thing that humanity has chosen to serve in a variety of roles. As such, it is a material that has a very deep connection with us all..............with a few exceptions.
_______________________________________________________Rick...
I'm fascinated evenharmonics - I didn't introduce an agenda - you did! I merely stated a fact.
Its a fact that use of plantation wood for furniture, construction and other relatively stable uses is carbon neutral at worst and carbon positive (reduces atmospheric carbon) at best. The science of the effect on the atmosphere is pretty much complete at this stage and the only real argument now is about the extent and timing of the result.
Correct, the discussion belongs elsewhere, but in the context of design its entirely appropriate to consider the sustainablity of the items we produce - especially given the operational energy inefficiency of Class A tube amps!
Oh the wood insulation thing - its all big voltages inside - metals conduct well, wood doesn't. Simple - a wooden box is going to be safer in the event of a pretty odd but remotely possible set of failure circumstances.
Alternatively, it COULD burst into flames as a failure mode. I'll accept that risk.
In any case, it wasn't as a specific reply to your pretty strong derision - more a statement of my considerations when choosing a material, in line with my statement that I build for me, not anyone else.
I don't, btw, use timber as a chassis per se - the wood forms a case. The electrical components are assembled on aluminium plate which mounts to or in the case.
I use aluminium knobs too!
Cheers!
Its a fact that use of plantation wood for furniture, construction and other relatively stable uses is carbon neutral at worst and carbon positive (reduces atmospheric carbon) at best. The science of the effect on the atmosphere is pretty much complete at this stage and the only real argument now is about the extent and timing of the result.
Correct, the discussion belongs elsewhere, but in the context of design its entirely appropriate to consider the sustainablity of the items we produce - especially given the operational energy inefficiency of Class A tube amps!
Oh the wood insulation thing - its all big voltages inside - metals conduct well, wood doesn't. Simple - a wooden box is going to be safer in the event of a pretty odd but remotely possible set of failure circumstances.
Alternatively, it COULD burst into flames as a failure mode. I'll accept that risk.
In any case, it wasn't as a specific reply to your pretty strong derision - more a statement of my considerations when choosing a material, in line with my statement that I build for me, not anyone else.
I don't, btw, use timber as a chassis per se - the wood forms a case. The electrical components are assembled on aluminium plate which mounts to or in the case.
I use aluminium knobs too!
Cheers!
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