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Interest for XEN Headphone  Amplifier Motherboard
Interest for XEN Headphone  Amplifier Motherboard
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Old 22nd October 2018, 05:25 AM   #1
EUVL is offline EUVL  Europe
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Join Date: Oct 2003
Default Interest for XEN Headphone Amplifier Motherboard

Following the initiative by Algar_emi of a motherboard for our HPA projects, there are request for our "original".
You can enter your interet for the mother board alone here.

It shall follow the new layout posted in the current drive thread :
Current Drive for Headphones & The Super Linear Transconductance Amplifier

and include on-board through-hole passive crossfeed.
The volume pot is placed recessed, close to the crossfeed and amplifier inputs for shortest path.
It will thus require a shaft extension to the front panel.
Small price to pay for optimal layout.
SHPP will not be included, as there are different types.
But we'll most probably include AUX PSU for SHPP:

Price not know yet, but most likely not be less than 500 HKD.
This is because of high postage costs due to the size of the PCB.
Also it will be 2mm thick, and include all the cutouts (not the case from Algar).

Please enter your interest below in a running list.


Many thanks for your interest,
Patrick
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Old 22nd October 2018, 05:26 AM   #2
EUVL is offline EUVL  Europe
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DIYA Nickname / Country / No. of Sets :

xxxx / xx / xx
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Old 22nd October 2018, 07:13 PM   #3
drpro is offline drpro  United States
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Join Date: Jan 2014
Location: Nashvegas
Interest for XEN Headphone  Amplifier Motherboard
drpro/USA/1 set
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I must build. Pass F4s, F6, M2, BA-3 preamp, MoFo, ImPasse preamp, Whammy headamp, Aksa's Lender preamp, Salas DCG3 headphone/preamp, XRK971 PCA & DCA headamp Bruno Putzey's balanced preamp, Doug Self preamp, Pete Millet Korg headamp.
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Old 22nd October 2018, 08:28 PM   #4
badboygolf16v is offline badboygolf16v
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Hi Patrick

Please can you confirm if this motherboard will be compatible with the Pioneer GB3 group buy I've just signed up to.

Thanks
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Old 23rd October 2018, 03:05 AM   #5
passive420 is offline passive420  United Kingdom
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Join Date: Jun 2013
drpro/USA/1 set
Passive420 / UK/1 set

Patrick is it possible to get one or two more SHPP boards with this? I understand it is part of the Super Linear board kit but it would be handy to grab another as I made a mess of mine.

Thanks for this offer.
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Old 23rd October 2018, 11:42 AM   #6
EUVL is offline EUVL  Europe
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Join Date: Oct 2003
Motherboard will be compatible with SL, SL Transconductance, UTHAiM, ... etc.
You can see from the individual threads how the motherboard is being applied.

SHPP boards I need to check this weekend.
Please remind me then by PM ths Friday.


Patrick
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Old 23rd October 2018, 12:15 PM   #7
dabore84 is offline dabore84  Netherlands
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Location: Hague area
Interest for XEN Headphone  Amplifier Motherboard
Quote:
Originally Posted by passive420 View Post
Patrick is it possible to get one or two more SHPP boards with this?
I have same spare SHPP boards, pm if interested.

DIYA Nickname / Country / No. of Sets :

drpro/USA/1 set
Passive420 / UK/1 set
Dabore84 / NL / 1 set
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Old 23rd October 2018, 12:54 PM   #8
badboygolf16v is offline badboygolf16v
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Join Date: Feb 2010
drpro/USA/1 set
Passive420 / UK/1 set
Dabore84 / NL / 1 set
badboygolf16v / UK / 1 set
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Old 23rd October 2018, 10:12 PM   #9
drpro is offline drpro  United States
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Join Date: Jan 2014
Location: Nashvegas
Interest for XEN Headphone  Amplifier Motherboard
I have looked at the other threads and want to make sure I understand what will be needed to complete this headphone amp.
From the photos it appears the board includes individual power supplies. Are the smaller daughter boards included or is this another GB? Also I would be interested in the SHPP if available.
Tnx
David
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I must build. Pass F4s, F6, M2, BA-3 preamp, MoFo, ImPasse preamp, Whammy headamp, Aksa's Lender preamp, Salas DCG3 headphone/preamp, XRK971 PCA & DCA headamp Bruno Putzey's balanced preamp, Doug Self preamp, Pete Millet Korg headamp.
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Old 24th October 2018, 04:30 AM   #10
EUVL is offline EUVL  Europe
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Join Date: Oct 2003
All the other daughter boards are included in the amplifier GBs.
The motherboard has integrated Crossfeed (not extra board) and separate PSU for SHPP.

For extra SHPPs pls contact dabore84 first.
If he runs out then perhaps start a new GB thread for SHPP only and see how much interest there are.
See details from :
GB XEN SHPP (Simple Headphone Protection)


Thank you for your interest,
Patrick
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