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  Why Can't Tubes Be Mass-Produced Cheaply?
I often read that old tubes manufactured from the 60's or earlier are collectible items and often much sought after, and new tubes are not as valuable. Reasons cited are that these older tubes are a rare species, and they often sound 'better' and hence the hefty price tag on them. I am puzzled as to how these older tubes are different from the new ones and why they are better-sounding. Why can't technology today produce tubes that are similiar in quality to those in the yesteryears, or even better them? After all vacuum tubes, electron tubes or valve tube(where they call it in Britain) are electronic components made up by plates and filament. What happens if these old tubes become extinct? Why are there still so many of these old tubes available for sale although it has been almost 4 decades since they were manufactured? I mean once these tubes have run out of life they will basically be disposed off.

Pardon my ignorance as I cannot seem to find any discussion on this matter elsewhere. Any opinions would be much appreciated.
Ryder  (System | Reviews | Threads | Answers | This Thread)

03-08-08
  Responses (1-30 of 30)
Click title to read one, or click date to read all below it.

03-08-08   Answers as follows: 1. quality- manufacturing skills have e ...   Swampwalker

03-08-08   I've also wondered about this. audiophiles are willing to p ...   Smotyka

03-08-08   My mother was the one of the highest paid workers on the syl ...   Sugarbrie

03-08-08   The quality standards that sugarbrie attributes to his mom i ...   Albertporter

03-09-08   Thanks for all responses. now i understand why tubes manufac ...   Ryder

03-09-08: Dan_ed
Don't sell current production tubes short. In many cases these can be as good and even better than high dollar NOS tubes. There are always exceptions, but I have found that the NOS tubes I have tried ended up rolling off the highs and/or lows.
Dan_ed  (Threads | Answers | This Thread)


03-09-08   Dan_ed, be careful when you buy nos tubes. many so called no ...   Sidssp

03-09-08   Thanks, sidssp. that is good advice and probably true for so ...   Dan_ed

03-09-08   Fro dan_ed , i agree, but that middle is so important, ther ...   Greggdeering

03-09-08   Dan ed is right. nos are often not exactly as touted. nos ...   Pbb

03-09-08   Tested as nos is more likely, not actually nos. i do own a ...   Sugarbrie

03-09-08   I have a good many tubes in my collection, don't know the e ...   Albertporter

03-09-08   I think that it is quite possible that small signal tubes th ...   Tomcy6

03-10-08   Look, i have both nos and new current tubes in 12ax7s, 12au7 ...   Stevecham

03-10-08   I just worked with one dealer who will not sell anything oth ...   Mitch2

03-10-08   Stevecham, what i said in my post is: if you doubt me, do ...   Albertporter

03-11-08   Some of the difference in opinion on whether nos sound bette ...   Tomcy6

03-11-08   Albert's point is well taken and something i mentioned earli ...   Dan_ed

03-11-08   Btw, to those who sent me email. hope you don't mind if i an ...   Dan_ed

03-11-08   I don't know of any current production small signal tubes th ...   Larryi

11-07-09   Tubes are more or less "mass produced cheaply" to ...   Audionut59

11-07-09   So are companies like arc, conrad-johnson, and others doomed ...   Sgr

11-14-09   What an incredible thread...sincere thanks to every contribu ...   C1ferrari

11-15-09   A couple of the original answers were spot on. not enough d ...   Magfan

11-15-09   no, but the designs of old are being replaced by new techno ...   Albertporter

11-16-09   Boy, what a relief, albert! i believe tubes are here to sta ...   C1ferrari

11-16-09   Thanks for the info, albert. i really don't know much about ...   Sgr

11-16-09   sgn, it's not a new tube, it was designed for russian milit ...   Albertporter

11-16-09   Albert, thanks for the fine info. i sure like my ref 3! than ...   Sgr

11-17-09   I respect arc and if i didn't own what i have now i would be ...   Albertporter


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