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Old 22nd November 2019, 10:22 PM   #81
Victorinox is offline Victorinox  United States
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Quote:
Originally Posted by tvicol View Post
I did a small investigation to see which parts are used in this opamp:
XL => 2SK2145 (dual J-FET input)
LG => 2SC2712
NY => 2SA1213 (output driver)
MY => 2SC2873 (output driver)
SG => 2SA1162

Regards,
Tibi
Thank you for doing that. I received a pair of v6 a while ago and chickened out to take it apart but now I have to do "Tibi`s diode elimination mode" on them.
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Old 22nd November 2019, 11:36 PM   #82
TonyTecson is offline TonyTecson  Philippines
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Location: Maybunga, Pasig City
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i purchased IXYS depletion mosfets out of Hong Kong, twice, and both turned out to be enhancement types.....
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hard work erases ignorance.....
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Old 23rd November 2019, 05:49 AM   #83
pinnocchio is offline pinnocchio  Canada
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Location: Montreal
Currently testing my samples on Ian's Dual ES9038K2M DAC I/V. I will most likely do the diode mod that Tibi is suggesting. Mine have about 30 hours of burn in so far. I've put them against the OPA1612, 1642 and LM49720 (metal can fitted on sockets). I have a couple more opamps I will compare before giving out my subjective impressions.

Do
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PREAMPs : AMB α10 + USSPA | LDR3x + USSPA | AMPs: AMB β24 | USSA5 | TGM8 | VZ Audio NS OPS | FC-100 | Modulus-686 |
DACs : Mirand AK4490 + Discrete Output | Ian Dual ES9038K2M | Speakers : Troels Gravesen ATS-4 | Sagwee LT V3 |
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Old 23rd November 2019, 06:03 AM   #84
thimios is online now thimios  Greece
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I received nothing.
No one asked for my post address.
I'm one of the first batch interested person but... nothing.
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Old 23rd November 2019, 11:00 AM   #85
zgtc is offline zgtc  Europe
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Location: Barcelona
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same here
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Old 23rd November 2019, 11:41 AM   #86
darrr is offline darrr  Poland
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I got an email. One of the conditions for obtaining samples was to show them in a working device and a short review. Because my project is in the initial phase, I agreed to receive samples at a later stage of building
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Old 23rd November 2019, 12:21 PM   #87
Theodosis O. is offline Theodosis O.  Greece
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Last edited by Theodosis O.; 23rd November 2019 at 12:29 PM.
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Old 23rd November 2019, 12:22 PM   #88
coolnose is offline coolnose  Europe
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At least you got an response from them, hopefully an internship at marketing department at that time...

Made me get them off my "potential suppliers" list by principle.
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Old 23rd November 2019, 12:29 PM   #89
Theodosis O. is offline Theodosis O.  Greece
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Quote:
Originally Posted by darrr View Post
I got an email. One of the conditions for obtaining samples was to show them in a working device and a short review. Because my project is in the initial phase, I agreed to receive samples at a later stage of building

There are no terms or conditions in the first post.

A wrong action can easily destroy the reputation of a company.

This is the wrong way to do business.
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Old 23rd November 2019, 12:59 PM   #90
darrr is offline darrr  Poland
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Quote:
Originally Posted by Theodosis O. View Post
There are no terms or conditions in the first post.



A wrong action can easily destroy the reputation of a company.



This is the wrong way to do business.
Maybe I described it badly (my English is not good). It was not a prerequisite but a request for some action after receiving the samples.
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