CHANGSTAR: Audiophile Headphone Reviews and Early 90s Style BBS

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Author Topic: Koda T50RP Frequency Response and CSD Waterfall Plots  (Read 9761 times)

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LFF

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Re: Koda T50RP Frequency Response and CSD Waterfall Plots
« Reply #20 on: April 11, 2012, 04:27:18 AM »

Yup mine definitely had that uber thumping bass sound. I'd love to see the FR/CSD of those stock  :'(

Stock T50RP:
http://www.changstar.com/index.php/topic,62.0.html

http://www.changstar.com/index.php/topic,62.0.html
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gurubhai

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Re: Koda T50RP Frequency Response and CSD Waterfall Plots
« Reply #21 on: April 11, 2012, 07:19:59 AM »

^I think omegakitty meant for measurements of original 1975 Fostex T50, not the current T50RP.
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omegakitty

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Re: Koda T50RP Frequency Response and CSD Waterfall Plots
« Reply #22 on: April 11, 2012, 02:10:52 PM »

^I think omegakitty meant for measurements of original 1975 Fostex T50, not the current T50RP.

Correct I'd be very interested in seeing the undampened RP18 (Fostex T50v2 or v0? just for lols) as well as a dampened T50v1, which I know a buddy has and uses a lot even amidst his nice collection.
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gurubhai

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Re: Koda T50RP Frequency Response and CSD Waterfall Plots
« Reply #23 on: April 11, 2012, 02:42:53 PM »

I have had the chance to hear two NAD RP18s (both mylar) & I would expect them to measure very well  stock compared even to current High-end headphones.
The stock mylar NAD are pretty neutral sounding with slight roll-off at either end of spectrum. Apart from a peak at around 4k, they are pretty clean & smooth sounding. The damping is nearly perfect stock.
The one area where it lags behind the current offerings is the soundstage, its pretty limited.
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LFF

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Re: Koda T50RP Frequency Response and CSD Waterfall Plots
« Reply #24 on: April 11, 2012, 03:19:44 PM »

Anybody have a spare set of RP18's they want to sell?
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omegakitty

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Re: Koda T50RP Frequency Response and CSD Waterfall Plots
« Reply #25 on: April 11, 2012, 03:31:32 PM »

Anybody have a spare set of RP18's they want to sell?

Get in touch with cetoole. He might still have his.

edit: LFF I'll just ask him tonight :)
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LFF

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Re: Koda T50RP Frequency Response and CSD Waterfall Plots
« Reply #26 on: April 11, 2012, 04:01:01 PM »

Anybody have a spare set of RP18's they want to sell?

Get in touch with cetoole. He might still have his.

edit: LFF I'll just ask him tonight :)

Thanks! I sent him a message.
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Re: Koda T50RP Frequency Response and CSD Waterfall Plots
« Reply #27 on: April 11, 2012, 06:03:06 PM »

I'm not sure I'd recommend that one if it doesn't extend past 6khz.  A lot can happen to a pair of headphones in 30 years... If you're going after one, I think you would like the Mylar version best.  They seem to pop up much more often in Germany if you have a friend over there.  That's how I got mine.

I have had the chance to hear two NAD RP18s (both mylar) & I would expect them to measure very well  stock compared even to current High-end headphones.
The stock mylar NAD are pretty neutral sounding with slight roll-off at either end of spectrum. Apart from a peak at around 4k, they are pretty clean & smooth sounding. The damping is nearly perfect stock.
The one area where it lags behind the current offerings is the soundstage, its pretty limited.

What pads?  I had some very deep pads on mine and they had excellent soundstage.  W11 pads also seem to give them good soundstage, though it's more up and down than left to right. 

Maybe we should have an ortho forum here.   8)
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LFF

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Re: Koda T50RP Frequency Response and CSD Waterfall Plots
« Reply #28 on: April 11, 2012, 06:09:13 PM »

I'm not sure I'd recommend that one if it doesn't extend past 6khz.  A lot can happen to a pair of headphones in 30 years... If you're going after one, I think you would like the Mylar version best.  They seem to pop up much more often in Germany if you have a friend over there.  That's how I got mine.

I have had the chance to hear two NAD RP18s (both mylar) & I would expect them to measure very well  stock compared even to current High-end headphones.
The stock mylar NAD are pretty neutral sounding with slight roll-off at either end of spectrum. Apart from a peak at around 4k, they are pretty clean & smooth sounding. The damping is nearly perfect stock.
The one area where it lags behind the current offerings is the soundstage, its pretty limited.

What pads?  I had some very deep pads on mine and they had excellent soundstage.  W11 pads also seem to give them good soundstage, though it's more up and down than left to right. 

Maybe we should have an ortho forum here.   8)

Nein. I have no friends in Germany.... :'(
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Marvey

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Re: Koda T50RP Frequency Response and CSD Waterfall Plots
« Reply #29 on: April 11, 2012, 06:39:41 PM »

Maybe we should have an ortho forum here.   8)


Created one in the Main Deck (to keep it from turning into something like HF.)
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