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Orthodynamic Roundup - Page 996

post #14926 of 23596

Wow, this is a lively forum - thanks for all your replies. The HP1 headphones are going to get a new headband (shame I have lost one of the screws) - thanks for the link to instruction for repair - and I'll keep on using them. Although I have had them from new, they are probably getting a better signal now to process than they have ever had in the past - when I think of the old tape decks and radio I used to play through them as a student, I never heard them at their best.

 

Steve

post #14927 of 23596
Quote:
Originally Posted by KANA View Post

dear Steve,

 

I had YAMAHA HP-1 with the broken head strap. I wanted to repair this headphone too, and resolved. Then, the structure was very simple. I just cut leather in the same size, and punctured it. And that's all. So I recommend you to repair your broken HP-1.

 

And here are my orthodynamic headphones.

 

ortho1.jpg


Welcome Kana! Great collection :).

 

What is the ortho on the top right of your photo? And is that Kawai definately an ortho too? (seems wikiphonia needs an update).

post #14928 of 23596

The Yamaha HP1 just came in and has just blown my mind. Rush did not sound as good as before. It is as if the music sounds (more) live than studio. I think mine is unmodified. (Rush's "Moving Pictures" is playing.)

 

I should give it some tricky albums to really find out how good it is.

post #14929 of 23596


Quote:

Originally Posted by Kabeer View Post

Welcome Kana! Great collection :).

 

What is the ortho on the top right of your photo? And is that Kawai definately an ortho too? (seems wikiphonia needs an update).


The top right's headphones is SAWAFUJI SF-17. I heard that SAWAFUJI had been the headphones driver OEM, but I don't know the details. That technical specification is like that..

 

Diaphragm: Flat Dynamic SFD Elements
Impedance: 120 ohms
Frequency Response: 10 - 100,000Hz
Sensitivity: 98dB/mW
Sold: 1978-1989

 

And KAWAI SH-5 may be the OEM of audio-technica ATH-2.
 

post #14930 of 23596

That is a great collection , it is a reminder to me why I like collecting vintage orthos 

 

It is funny to think that Sawafuji had the right idea back then, what are your thoughts about it's performance vs the rest of the gang ?  I love the look of that Victor . 

 

..dB

post #14931 of 23596

Quote:

Originally Posted by Deep Funk View Post

The Yamaha HP1 just came in and has just blown my mind. Rush did not sound as good as before. It is as if the music sounds (more) live than studio. I think mine is unmodified. (Rush's "Moving Pictures" is playing.)

 

I should give it some tricky albums to really find out how good it is.


Personally, a stock HP-1 gets congested pretty quickly with any sort of music that requires fast transients and has way too much bass for my liking.  I'd recommend a before and after comparison (as in, mod one side of the headphones, down mix the music to mono, and compare each side).

post #14932 of 23596

Congested, I should compare it with my DF then. Fast transients, should I use Classical music or Jazz?

post #14933 of 23596
Thread Starter 

KANA, we'd be thrilled if you could, over time, give us your impressions of the headphones pictured, plus of course photographs, scans, test results, specifications, listening panel ratings, et cetera. We don't ask much.

 

dB, if I catch your drift, you're referring to the SF-17's apparently open back, yes? Here's where a good closeup would tell us whether they actually did it. And I too am very curious about the Victor and its nifty space-age styling. Looks like a Fostex OEM, but who knows? [UPDATE: Turns out to've been made by a quietly busy OEM named Fujiki Denki, which also sold headphones branded Elega before they went poof sometime in the 1980s]


Edited by wualta - 11/13/11 at 9:40am
post #14934 of 23596

+1
 

Quote:
Originally Posted by wualta View Post

KANA, we'd be thrilled if you could, over time, give us your impressions of the headphones pictured, plus of course photographs, scans, test results, specifications, listening panel ratings, et cetera. We don't ask much.

 


 

post #14935 of 23596

Quote:

Originally Posted by dBel84 View Post

That is a great collection , it is a reminder to me why I like collecting vintage orthos 

 

It is funny to think that Sawafuji had the right idea back then, what are your thoughts about it's performance vs the rest of the gang ?  I love the look of that Victor . 

 

..dB


Only SAWAFUJI SF-17 puts out an natural top high tone in old headphones, and the resolution is very high.However, the volume hardly goes out even if SF-17 ties to which headphone amplifier (I'm using LUXMAN P-1).
YAMAHA HP-1('s sound) is looks like a modern headphone, and the sound is almighty.
VICTOR HP-D50 and KAWAI SH-5(ATH-2) are like to HP-1 and its sound is also almighty, but their sound are more soberer.
T50 have also high resolution and the sound is more powerful.
KH-92 have the high resolution, and very very soft sound. The sound of KH-92 is like old fine LP sound. I love this
SE-500 is a more delicate sound. The maximum input might be low.
The rank falls into HP-50S and U70 a little in these headphones.


However, I noticed recently that these orthodynamic headphones cannot show the original performance if you don't hear them after sounding for about 10-20 minutes. Therefore, it's very difficult to rank these headphones.


Edited by KANA - 7/11/10 at 12:08am
post #14936 of 23596

wow! i had a pair of these when i was in the army in '76-'77. i had totally forgotten about them til i saw the pic on the first page of this thread. i remember i bought them at the base px on oahu after my 2nd or 3rd pair of sennheisers went out. what a flashback- wish i still had them!

post #14937 of 23596
Thread Starter 

KANA, thank you for giving us your impressions.

 

dull, please tell us more about your old HP-1. When did you buy it, which Sennheiser(s) did you have, what differences did you notice back then, etc.

post #14938 of 23596
post #14939 of 23596

Hey, could a kind USian help out a canuck by buying some stuff from McMaster Carr and send them to me? Their export restrictions makes it hard for me to order anything... I want to buy some polyurethane based visco-elastic foams as a mechanical damping layer, and gasketing. I'll take all the cost, and you can take some for your own projects.

post #14940 of 23596


 

Quote:
Originally Posted by wualta View Post

KANA, thank you for giving us your impressions.

 

dull, please tell us more about your old HP-1. When did you buy it, which Sennheiser(s) did you have, what differences did you notice back then, etc.

 

wualta- i can barely remember anything from the '70's :)

 

i do remember the sennheisers had yellow foam earpads, and they weren't very expensive and they didn't last very long, but sounded pretty good. the hp-1's were a lot better sounding but if i remember correctly they took awhile for my ears to get used to the fit. and they were pretty expensive- maybe $110 at the base px. i went through a phase where i kept upgrading speakers as they became available at the px, but i only bought the sennheiser and yamaha headphones.
 

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