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Aleph J Circuit Boards

Part of the Aleph J project
Choose ConfigurationCurrently Selected: Circuit Boards
essentials
Essentials
$ 80.00 USD
circuit-boards
Circuit Boards
$ 25.00 USD
mosfets-jfets
MOSFETs & JFETs
$ 60.00 USD
$ 25.00

These are the primary PCBs to create a First Watt Aleph J. 

Dimensions Each board is 250mm x 54mm
Mounting holes UMS Heatsink Compatible
Number of boards included 2
Layers 2
Board Revision 2.0

Aleph J Project

  • Power Amplifier
  • Designed by Nelson Pass
  • Intermediate Difficulty
  • Basic Build Guide
  • Only PCBs Available
Contributors

Visit the Aleph J project page for more information about this project.


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Aleph J Circuit Boards

$ 25.00 USD

Note - Photos include parts available at the time of publishing. Individual components are subject to change based on availability.

Customer Reviews

Based on 34 reviews
97%
(33)
3%
(1)
0%
(0)
0%
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0%
(0)
E
Emmett R.
Aleph J Finished and Impressive

I just completed my build and testing of the Aleph J amplifier. It’s occupying the 4U chassis of the F6 amplifier I built and have been enjoying for the past 18 months. I liked the F6 a bunch, but at times I wished for more authority over my speakers. The Aleph J certainly has that! It sounds great. It’s detailed, has a nice soundstage, and packs a punch. So far I’ve tested it with B&W 686 S2’s and a vintage pair of ADS 1230L’s. The Aleph boards were top notch, and the build guide was very helpful. I’m grateful to the DIY Audio forum for for the great service and products it provides! Keep up the good work:-)

P
Peter
One more Aleph-J finished

Just finished my Aleph J in a 5U case (big and heavy sitting on my bench) and the sound is just beautiful with my Focal Sopra 2 speakers. Those demanding beryllium tweeters just sound sweet as honey with the Aleph J and the low impedance dip in the base region is a piece of cake for this monster.
Only added the excellent Neurochrome speaker protection to be feel more on the safe side.

Before this I made me the F6 that is also one excellent amplifier to keep.

P.S. the service from the DIY -store is world class!

A
Anonymous
Pass Aleph J Amplifier - Great sound

My Aleph J

R
Rich H.
Pass DIY Aleph J is an Awesome Amplifier

I recently completed my Aleph J build and I have to say this has become one of my favorite amplifiers to listen to amongst my Pass DIY Sony VFET Class A amp and my McIntosh MC240 vacuum tube amp. This amplifier has exceeded my expectations. When I listen to this amp in my system, I am impressed with the fine detail, the separation between musicians within a very large, deep soundstage, and the tone and timbre.

C
Cody T.
Great boards

Love the thickness and overall quality of these boards. Great layout too. Thanks!

K
KIM H.G.
Aleph J

I first came across the dii-audio, bought the pass-alep J board and the FET, and I bought the trans and case separately.

I'm happy to hear as good a sound as I expected.

There was a problem with grounding and RCA wiring, but fortunately it's been solved and I'm listening with great satisfaction.

Now I'm going to try the preamplifier.

Thank you. Everyone.