What are AES and NARTS? - diyAudio
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Old 19th January 2002, 04:38 PM   #1
DocJDG is offline DocJDG  United States
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Location: Lexington, KY
Default What are AES and NARTS?

I just couldn't go a week without a new thread. I'm still dealing with that old Regency amp -- new tubes, new caps, ready to rock and roll... The front plate with the pot desriptions was missing so I looked it up in the schematics and on the input knob the following inputs are listed:

1. Input 1
2. Input 2
3. Mag Input Flat 500
4. AES
5. NARTS

Can someone please tell me what AES and NARTS stand for?
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Old 19th January 2002, 05:01 PM   #2
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Once upon a time there were competing rolloff curves for phono stages. There were also EQ curves for tape inputs. Later, tape decks took their EQ inboard. Phono EQ, of course, remains a separate issue. Looks as though you've got a full load of switchable EQs for different sources. If need be, I can probably track down the particulars, but since the only EQ curve that survives is the RIAA phono, it would mainly be of historic interest. I think that #3 is going to be a phono curve, but which one is difficult to tell. If it isn't RIAA, it's probably similar. Bear in mind that the RIAA curve underwent at least one revision that I can think of; they tweaked the bass. #4 & 5 are, I think, tape EQs, hence obsolete unless you happen to buy a tape deck from that era.

Grey
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Old 19th January 2002, 05:08 PM   #3
PassFan is offline PassFan  United States
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Aes may stand for Audio Engineering Society, Narts may have something to do with radio.
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Old 19th January 2002, 05:20 PM   #4
DocJDG is offline DocJDG  United States
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Smile Thanks!

Grey-
Is there >anything< that you don't know? You are truly the Zen master at this. Anyway, thanks for all the help. She's up and running and sounds pretty good for my first restoration. Of course, since it's a mono amp, I guess it's time to build the number 2 from scratch. It's been a great learning experience but I'd really like to move into design from here. My guitar needs a new companion. Thanks again!
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Old 19th January 2002, 08:29 PM   #5
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Ah, Grasshopper, when you can snatch the capacitor from my hand, you will have learned.
Master Po (sorta...)

Comes of living on mountain tops for, lo, these many years. It's hell on your social life, though.

And NARTS...that's what comes of eating too many hare-lipped beans.
To my knowledge, there's never been an EQ curve for tuners.

Grey
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Old 20th January 2002, 02:37 AM   #6
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Default hare-lipped beans

Grey,

I can't help asking -- what's a hare-lipped bean? I've lived in the SE US all my life and never heard of (from?) them.
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Old 20th January 2002, 02:51 AM   #7
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Sorry. I tried to pull a funny, but it doesn't work if you have to explain it.
Two prompts to try to save the joke:
1) How does a hare-lipped person talk?
2) What happens when you eat a lot of beans?
Oh, well. Guess I wasn't cut out to be a standup comic.

Grey
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Old 20th January 2002, 03:27 AM   #8
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Aha! Thanks, I'm relieved to hear that.
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Old 8th February 2002, 06:51 PM   #9
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I think it's NARTB not NARTS (worn-off faceplate legend?) and if I remember correctly, it's for equalizing the signal to a tape head if your tape recorder doen't have the EQ built in.
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Old 8th February 2002, 07:03 PM   #10
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Unhappy NARTS

Did you buy it used and from a thrift store?

http://www.narts.org/

Well... at at least as funny as Grey.
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