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#31
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insane Charlie Nudo so delusional, he thinks his criminal past ?will just disappear
wrote in message ... still_trackin wrote: [ 1961 Revere T-2200 stereo tape deck] DB might be able to say whether your set is way too early or way too late for this, but I seem to recall that in a certain era, tube markings switched from a glass etch and/or tough paint to some kind of water- based ink or dye. The result is that if you're cleaning the dust out of an old set (unplugged, right?) with a damp rag, it's easy to wipe the markings right off of the tubes. Matt Roberds DB is the LAST person who could tell you anything about a decent tube set. He's only 50 years old, which would make him around 5 years old when that set was made and sold new. How would he know anything about it ? If you want good advice and tech help on a tube set, go to someone who repaired them for 30 years back in the day- not an unemployed "phone guy" that plugged phone cords in for minimum wage... |
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#32
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insane Charlie Nudo so delusional, he thinks his criminal past will just disappear
"still_trackin" Not much available online about these machines. Since I already have a great tube preamp....Audio Research SP-11 MK II, it doesn't really make too much sense running other components thru the Revere and then into the preamp. When I put together the other system which might be solid state gear, I might give it a try to see if it gives it a warmer sound. I know that cd players are available with tubes in the output stage, but I'm not sure if running a source thru the revere would benefit the same way. I will test the T-2200 with a few of the 7.5 Ampex tapes that I have.....Beatles,Stones,Zep,Tull etc., hard to find these tapes even on e Bay at reasonable prices. Not sure if paying $25.00+ for other titles would be worth it. Thanks again for the Revere info and I'll keep you posted when I get it up and running. If your Revere set is a single ended tube amp, it will add even-order harmonics to the line source you put through it. Presently that is about the best sound you can get on the planet. If it is a push-pull design set, you will add both even and odd order harmonic coloration- which is not as good, but still better than straight solid state amplification. If you research that model number on Ebay and on the net, you'll eventually find the info on tubes you need. As you can see here, no one gave you a definite tube listing, all general answers. (DB bs'd through with another long, boring, general answer with no specifics) The problem with CD and digital sound in general, is it has no soul- it's too perfect. Kind of like a really hot looking chick, that turns out to be a cloned robot and not real. The coloration of a single ended tube set, adds needed realism to a CD. You will still get your best results with a clean analog source though. CD sacrifices a lot, to get low/zero background noise. 3M is good stuff- Revere also made cameras which were very high quality for their day. |
#33
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insane Charlie Nudo so delusional, he thinks his criminal past will just disappear
On Tue, 27 Nov 2007 05:48:45 -0500, "trippin-2-8-trak"
wrote: If your Revere set is a single ended tube amp, it will add even-order harmonics to the line source you put through it. snip Hence, it is NOT "high fidelity," but rather, a sound coloration/distortion device, which adds several percent of harmonic distortion, rather than passing and amplifying the signal current without such distortions. Such traits are desirable in music PRODUCTION devices, like guitar amps, Leslie speaker amps and other sound producers. They're not wanted in sound REPRODUCERS. Charlie Nudo, of limited intelligence and mental problems, doesn't understand this concept. |
#34
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insane Charlie Nudo so delusional, he thinks his criminal past ?will just disappear
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#35
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insane Charlie Nudo so delusional, he thinks his criminal past ?will just disappear
On Tue, 27 Nov 2007 05:39:28 -0500, "trippin-2-8-trak"
wrote: DB is the LAST person who could tell you anything about a decent tube set. He's only 50 years old, which would make him around 5 years old when that set was made and sold new. How would he know anything about it ? snip Let's see...I built my first Heath GR-53 color television kit when I was what, 10 years old? Prior to that, I'd built ham gear, test gear, audio gear, some from scratch, and was active in the local electronics club at the local Boy's Club. What kind of electronics experience did Charlie Nudo have before trying to become an eBay snake oil salesman? NONE. Degrees in electrical engineering? NONE. Degrees in ANY discipline? NONE. If you want good advice and tech help on a tube set, go to someone who repaired them for 30 years back in the day- not an unemployed "phone guy" that plugged phone cords in for minimum wage... snip You, as usual, have no idea what you're talking about, but that's normal for a paranoid delusional welded washer salesman from the "coal slum" of NE Pennsylvania, whose only steady income was a "wired" job that Papa Noodles got for him because he's been a failure at everything he's done in life...except be a petty criminal. |
#36
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insane Charlie Nudo so delusional, he thinks his criminal past will just disappear
DeserTBoB wrote:
By '61, there was a newer RCA industrial numbered tube (I forget the number) that was in favor for tape head preamps. *It had more voltage gain than the 12AX7 used in cascode and was thus effectively quieter that would be a 7025. that, & the 12AX7 are in big demand & command obsene prices, especially N.O.S tubes. i have seen them bring as much as $75 on Ebay & other sites. they were also used in guitar amp front ends as well. Some cheaper stereo models also used a 6DJ8 twin triode for tape head preamps, with space saving and cost economy and little in the way of performance improvement. the 6DJ8 was used mainly in MATV distribution amplifiers & general purpose RF amplifiers . they were not used in the vintage audio equipment (at least not in the audio signal path). if (& when) they were used, it would be in the front end of the FM receiver. however the current production hifi tube amps use them as well as those CD players with a tube audio circuit. that because they are much cheaper than the good NOS 12AX7s |
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