Carbon pots from Taiwan Alpha, Song-Huei, G&H ?

A

Andre Majorel

Guest
Does anyone have experience with 16 mm carbon pots from
Song-Huei (16K1-A100K,L-15KC/CI) and G&H ? And how they compare
to Taiwan Alpha's RV16 series ?

Someone is preparing a group buy of those and he seems to be
leaning toward Song-Huei and G&H, partly because they quoted him
1000+0.16 USD and 1000+0.099 USD respectively instead of Alpha's
1000+0.22 USD.

--
André Majorel <URL:http://www.teaser.fr/~amajorel/>
"After 15 minutes, I wanted to marry her. After a half hour, I completely
gave up the idea of snatching her purse." -- _Take the Money and Run_
 
"Andre Majorel"
Does anyone have experience with 16 mm carbon pots from
Song-Huei (16K1-A100K,L-15KC/CI) and G&H ? And how they compare
to Taiwan Alpha's RV16 series ?

Someone is preparing a group buy of those and he seems to be
leaning toward Song-Huei and G&H, partly because they quoted him
1000+0.16 USD and 1000+0.099 USD respectively instead of Alpha's
1000+0.22 USD.

--
André Majorel <URL:http://www.teaser.fr/~amajorel/
Click to expand...

** ????????????????????????????


"After 15 minutes, I wanted to marry her. After a half hour, I completely
gave up the idea of snatching her purse." -- _Take the Money and Run_
Click to expand...

** Think I get it now ........

" .... I yam Fraunch - derefore, I am a wankour ... . "

Wot a fuckwit.





...... Phil
 
Andre Majorel wrote:

Does anyone have experience with 16 mm carbon pots from
Song-Huei (16K1-A100K,L-15KC/CI) and G&H ? And how they compare
to Taiwan Alpha's RV16 series ?

Someone is preparing a group buy of those and he seems to be
leaning toward Song-Huei and G&H, partly because they quoted him
1000+0.16 USD and 1000+0.099 USD respectively instead of Alpha's
1000+0.22 USD.
Click to expand...
I can tell you that Taiwan Alpha are surprisingly reliable and I wouldn't
personally go any cheaper.

Graham
 
Phil Allison wrote:

"Andre Majorel"

Does anyone have experience with 16 mm carbon pots from
Song-Huei (16K1-A100K,L-15KC/CI) and G&H ? And how they compare
to Taiwan Alpha's RV16 series ?

Someone is preparing a group buy of those and he seems to be
leaning toward Song-Huei and G&H, partly because they quoted him
1000+0.16 USD and 1000+0.099 USD respectively instead of Alpha's
1000+0.22 USD.

--
André Majorel <URL:http://www.teaser.fr/~amajorel/

** ????????????????????????????

"After 15 minutes, I wanted to marry her. After a half hour, I completely
gave up the idea of snatching her purse." -- _Take the Money and Run_

** Think I get it now ........

" .... I yam Fraunch - derefore, I am a wankour ... . "

Wot a fuckwit.
Click to expand...
Kick Abos too do you ?

Graham
 
On 2008-11-24, Eeyore <rabbitsfriendsandrelations@hotmail.com> wrote:
Andre Majorel wrote:

Does anyone have experience with 16 mm carbon pots from
Song-Huei (16K1-A100K,L-15KC/CI) and G&H ? And how they compare
to Taiwan Alpha's RV16 series ?

Someone is preparing a group buy of those and he seems to be
leaning toward Song-Huei and G&H, partly because they quoted him
1000+0.16 USD and 1000+0.099 USD respectively instead of Alpha's
1000+0.22 USD.

I can tell you that Taiwan Alpha are surprisingly reliable and
I wouldn't personally go any cheaper.
Click to expand...
Yes, they have a good reputation. The guy is not crazy about
them though. He says :

| To be honest, I have always disliked Alphas. The construction
| is erratic, stamping tolerances are sloppy, even the
| rotational torque is widely inconsistent (from tight to almost
| freewheeling).
|
| In one bag, direct from the Thailand factory, some had gold
| covers, others silver; some stamped with the little "a" in a
| circle, some with the word "alpha", some with the value
| stamped as well (but only the B100k, none of the others), and
| some that were not press-stamped, just ink-stamped; two
| different shaft lengths when I only ordered one; nuts and
| washers of different materials and stamping processes; some
| with mangled mounting pins - a couple had the pin-mount
| portion of the PCB broken completely off; loose rivets on the
| PC pins, and different styles of said rivets.
|
| Hell, even the font and ink used to print the resistance value
| on the front PCB vary greatly. The same for shaft wobble.
|
| Alpha has factories in Thailand, Taiwan, Hong Kong, and
| Guangdong & Shanghai in China, maybe others as well. You never
| know what you will get.

He also describes how the bushing is too small for 1/4" round
shafts, but I don't care about that (I'm looking for splined
shafts). In defence of Song Huei and G&H, he says :

| Both the Song Huei and the G&H pots have some tiny features
| that show a bit more attention to usage issues that the Alphas
| I have seen did not: The PC mounting pins have anti-rotation
| bumps around the rivet point (the electrical connection can be
| greatly compromised if you force the pin to rotate around the
| rivet); the aforementioned I.D. tolerance on the panel washer;
| and, from what I've seen, consistency!

He trusts the Song-Huei and G&H because he's had samples to
examine and "other manufacturers who have been in business for a
while, and are well-known and liked, are using them". Well,
there are manufacturers who use Piher pots, so I'm not entirely
convinced. :)

The mechanical issues don't concern me too much, really. It's
the electrical reliability I worry about.

--
André Majorel <URL:http://www.teaser.fr/~amajorel/>
"After 15 minutes, I wanted to marry her. After a half hour, I completely
gave up the idea of snatching her purse." -- _Take the Money and Run_
 
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