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Rare early production PX10 / PX101 / PX700?

plop - 2012-10-20 14:31

Spied this AIWA go for a stupidly low amount.

 

Link

 

Something does not add up.

 

Look at the photo of the head. It looks like a HX head. PX10/101/700 has non-HX head. Also in the same photo the serial number looks like it is handwritten.

 

$[KGrHqZ,!poF!-hFhjQPBQeZ+BnuIQ~~60_57

 

Look at the photo of the reverse. Notice that it says HS-PX. No numbering after. The seller confirms that it is only HS-PX.

 

$[KGrHqR,!ooFBul4Z8S7BQeZ++FI7w~~60_57

samovar - 2012-10-20 22:55

dinosaur, missing link or frankenstein aiwa? 

thelion - 2012-10-21 04:23

It looks like a Chinese mod of a PX101.

They replaced the original head with a PL30 HX Head and gave it a new serial number for the mod they did .  

Those mods are pretty common in China. 

plop - 2012-10-21 04:48

Originally Posted by TheLion:

It looks like a Chinese mod of a PX101.

They replaced the original head with a PL30 HX Head and gave it a new serial number for the mod they did .  

Those mods are pretty common in China. 

That would be one amazing mod. The azimuth adjusting mounting bracket on a PX10 and a PL30 head are so different. Someone would have to remove the brackets on each and then get busy with a spot welder on the HX head before mounting it onto the PX10.

thelion - 2012-10-21 05:16

I tried that experiment once (before I had the PX20) it's pretty hard but it sounds different and somewhat distorted.

 

Here is another Chinese mod.

A battery case for a sharp player:

Sharp JC-K10 Battery Mod

 

Original Battery case:

Sharp JC-K10 Original Battery case

plop - 2012-10-21 05:28

@TheLion

 

Interesting mod on that Sharp. What is the benefit of this mod? Longer battery life? Ability to use generic cells?

 

From what you've experienced, it would suggest that there are incompatibility issues with the heads between the two models, and some additional adjustment is still required to balance the input into the pre-amp.

thelion - 2012-10-21 05:40

The guy just lost the original case. it was up for sale a month ago on Taobao.

 

 

Yep, the pre-amp is very different, the highs were very saturated and the bass was very anemic for HX head. I had to reverse the whole process in order to sell the unit, it was very noticeable.

thelion - 2012-10-21 06:02

Now what would you say about that?

This is an AIWA HX head (1988) inside a Sony (WM2? 1982):

mod

samovar - 2012-10-21 06:11

GMO units, MODern frankenstein... 

plop - 2012-10-21 06:40

Originally Posted by TheLion:

Now what would you say about that?

This is an AIWA HX head (1988) inside a Toshiba KT-CS1 (1984):

mod

Is the Toshiba KT-CS1 based on a Sony DD mech?

thelion - 2012-10-21 06:52

Sorry my mistake it's a Sony mechanism (WM2 ?) not a Toshiba.

They are a bit similar in design. 

walkman.archive - 2012-10-21 07:07

Originally Posted by plop:

Spied this AIWA go for a stupidly low amount.

 

Link

 

Something does not add up.

 

Look at the photo of the head. It looks like a HX head. PX10/101/700 has non-HX head. Also in the same photo the serial number looks like it is handwritten.

 

Look at the photo of the reverse. Notice that it says HS-PX. No numbering after. The seller confirms that it is only HS-PX.

Wow, Plop, you have definitely a good eye.

 

So this PX10 possibly modded -as TheLion suggests- may sound exatly the same as the ultra-rare PX20, right?

plop - 2012-10-21 07:21

Originally Posted by the_walkman_archive:
Wow, Plop, you have definitely a good eye.

 

So this PX10 possibly modded -as TheLion suggests- may sound exatly the same as the ultra-rare PX20, right?

If it is a genuine early edition unit, then yes it should sound just like the PX20. I suppose we could ask the ebay seller of the unit, how he came by it all those years ago. ie was it from a shop, or a manufacturing sample from AIWA, did he replace the head, why were there no numbers off the end of model code, were there no numbers to begin with, did they get scratched off?

 

It would nice if the buyer was a S2G member and they were to then post up clearer photos of it once they received it.

retrodos - 2012-10-21 11:31

Looks like someone did swap the whole head assy, seen it done before, not that hard as you think. But might not sound good, as you have to take into consideration head impedance and alignment issues.

plop - 2012-10-21 13:31

Originally Posted by retrodos:

Looks like someone did swap the whole head assy, seen it done before, not that hard as you think. But might not sound good, as you have to take into consideration head impedance and alignment issues.

The whole head assembly, but from what though? The head assembly looks like it is from a PX10, but the head itself that of something perhaps a PX20. The mounting bracket head from a PX30 or PL30 does not match that for a PX10.

walkman.archive - 2012-10-21 14:06

Originally Posted by plop:
 

If it is a genuine early edition unit, then yes it should sound just like the PX20. I suppose we could ask the ebay seller of the unit, how he came by it all those years ago. ie was it from a shop, or a manufacturing sample from AIWA, did he replace the head, why were there no numbers off the end of model code, were there no numbers to begin with, did they get scratched off?

 

It would nice if the buyer was a S2G member and they were to then post up clearer photos of it once they received it.

Yeah, it'd be very interesting. Would you ask him at eBay?

samovar - 2012-10-21 14:22

it's a mutant pX-walkMan! surely it was sold by Syclop Shop?