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GB2 for Pioneer Super Linear Circuit
GB2 for Pioneer Super Linear Circuit
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Old 6th May 2018, 05:22 AM   #11
kartk is offline kartk
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Join Date: May 2014
passive420 UK - 2 full kits.
sonidos USA
s610adam USA
arnd13 DE
dabore84 NL
mlackey USA
hiker47 NL
kartk India

Total: 9 kits
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Old 6th May 2018, 08:06 AM   #12
lydan01 is offline lydan01  Australia
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Join Date: Jul 2007
passive420 UK - 2 full kits.
sonidos USA
s610adam USA
arnd13 DE
dabore84 NL
mlackey USA
hiker47 NL
kartk India
lydan01 Aust

Total: 10 kits
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Old 7th May 2018, 04:54 AM   #13
EUVL is offline EUVL  Europe
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Join Date: Oct 2003
Thank you for your interest.
We'll leave it open till the end of May.


Patrick
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Old 7th May 2018, 08:47 AM   #14
Joschl is offline Joschl  Germany
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Join Date: Dec 2005
Location: Ruhrgebiet
passive420 UK - 2 full kits.
sonidos USA
s610adam USA
arnd13 DE
dabore84 NL
mlackey USA
hiker47 NL
kartk India
lydan01 Aust
joschl DE

Total: 11 kits
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Old 8th May 2018, 12:42 PM   #15
hiker47 is offline hiker47  Netherlands
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Join Date: Jun 2017
Location: Hoorn
passive420 UK - 2 full kits.
sonidos USA
s610adam USA
arnd13 DE
dabore84 NL
mlackey USA
hiker47 NL - 2 kits
kartk India
lydan01 Aust
joschl DE

Total: 12 kits

Last edited by Pano; 8th May 2018 at 12:45 PM. Reason: fixed quotes
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Old 9th May 2018, 01:46 AM   #16
passive420 is offline passive420  United Kingdom
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Join Date: Jun 2013
Looking through the BOM for the amp boards and it seems the MMA0204 0.1% MELF resistors in those values are nowhere to be found. Can a standard SMD package such as 1206 fit instead?

RG3216P-5101-B-T1 Susumu | Mouser United Kingdom

BOM: http://xen-audio.com/documents/SLHPA...c%20171005.pdf

Actually looking at data sheets the MELF's are 3.6mm and the 1206's are 3.2mm...

Last edited by passive420; 9th May 2018 at 01:55 AM.
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Old 9th May 2018, 05:20 AM   #17
EUVL is offline EUVL  Europe
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Join Date: Oct 2003
Please ask technical questions here :
The Pioneer Super Linear Circuit


Thx,
Patrick
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Old 9th May 2018, 12:48 PM   #18
passive420 is offline passive420  United Kingdom
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Join Date: Jun 2013
To those on this GB - I can order the MELF resistors as advised by Patrick and would supply the correct qty and values for one stereo amp kit.

Vishay SMD thin-film resistor, 5.1 kΩ (5K1), 0.25 W, TK +-50 MMA 0204-50 BL 1% 5K1 | Burklin Elektronik
Vishay SMD thin-film resistor, 6.2 kΩ (6K2), 0.25 W, TK +-50 MMA 0204-50 BL 1% 6K2 | Burklin Elektronik
Vitrohm SMD metal film resistor, 1 Ω (1R0), 0.25 W, TK +-50 ZC0204FKE07 1R0 | Burklin Elektronik

4 x 5.1K
4 x 6.2K
4 x 1R

Or I can just order enough for the European participants. If everyone is interested we can wait until the GB has reached the required number.
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Old 9th May 2018, 03:22 PM   #19
EUVL is offline EUVL  Europe
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Join Date: Oct 2003
You should always order extra SMD parts, just in case.
In quantities they cost nothing.
If you drop one and cannot find it on your carpet, you are stuck.
And always keep some for repair.

(I normally order at least 10 pcs.)


Patrick
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Old 9th May 2018, 03:43 PM   #20
EUVL is offline EUVL  Europe
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Join Date: Oct 2003
One more thing I should mention.

The updated design document with BoM will only be sent to you after you have confirmed that the PCBs have arrived.
The pdf files published here at the forum do not necessarily contain the most up-to-date information.
This applies equally to the amplifier, the regulators, the cross feed, and the protection board.


Cheers,
Patrick
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