This thread is for people to discuss their builds, build issues, and parts for the DIY Class A/B "Wolverine" Power Amplifier.
The boards are currently available through group buy's when they are held.
@jjs is servicing the USA and Canada regions.
@stuartmp is servicing the other regions.
Main Thread:
Wolverine 57v & 64v Schematic:
Please see the attached PDF files. These schematic show.
The Wolverine IPS - V3.7 (1st Group Buy) & V3.8 (2nd Group Buy)
The Precision EF3 - Both
BOM and Build Guide documentation:
Currently only available to group buy members.
In time will all be posted publicly once the group buy members have had time to order parts.
YouTube Build Link
Google Photos - Wolverine Build Album
Review Attached by @fireanimal 30-06-22
Review Attached by @richbandit 05-08-23 or at post #2,493
Posts of Interest
#
There is also a distortion sweep plot of the Wolverine below with the values listed for 1K, 10K and 20K.
A big thank you to Andy for taking this measurement for us. 🙏
17-3-23
we finally have 20k distortion measurements.
0.000095% THD 80 watts 8 ohm load.
Thanks again Andy for providing these amazing results
More test results can be found at the end of the build guide.
-------------------------------------------------------------------------------------
We are happy to announce a 2nd group buy opportunity has now opened.
We have received the 2nd GB boards and have a few left over. If you'd like some boards from the wolverine project please follow the instructions in the 1st post of the 2nd group buy. Link below
The Wolverine 2nd Group buy.
The boards are currently available through group buy's when they are held.
@jjs is servicing the USA and Canada regions.
@stuartmp is servicing the other regions.
Main Thread:
Wolverine 57v & 64v Schematic:
Please see the attached PDF files. These schematic show.
The Wolverine IPS - V3.7 (1st Group Buy) & V3.8 (2nd Group Buy)
The Precision EF3 - Both
EF3-3 (3 Pairs of Output Transistors) - V3.9 (1st Group Buy) & V4.0 (2nd Group Buy)
EF3-4 (4 Pairs of Output Transistors) - V3.9 (1st Group Buy) & V4.0 (2nd Group Buy)
BOM and Build Guide documentation:
Currently only available to group buy members.
In time will all be posted publicly once the group buy members have had time to order parts.
YouTube Build Link
Google Photos - Wolverine Build Album
Review Attached by @fireanimal 30-06-22
Review Attached by @richbandit 05-08-23 or at post #2,493
Posts of Interest
#
There is also a distortion sweep plot of the Wolverine below with the values listed for 1K, 10K and 20K.
A big thank you to Andy for taking this measurement for us. 🙏
17-3-23
we finally have 20k distortion measurements.
0.000095% THD 80 watts 8 ohm load.
Thanks again Andy for providing these amazing results
More test results can be found at the end of the build guide.
-------------------------------------------------------------------------------------
We are happy to announce a 2nd group buy opportunity has now opened.
We have received the 2nd GB boards and have a few left over. If you'd like some boards from the wolverine project please follow the instructions in the 1st post of the 2nd group buy. Link below
The Wolverine 2nd Group buy.
Attachments
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Recommended PSU Information.png14.3 KB · Views: 3,321
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20221101_175426~2.jpg650.4 KB · Views: 3,071
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20221110_160311.jpg621.2 KB · Views: 3,312
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IMG-20220626-WA0019.jpg152.9 KB · Views: 3,847
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DIYAWolverine IPS Template.zip15.6 KB · Views: 758
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IMG-20230317-WA0002.jpg303.9 KB · Views: 2,363
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IMG-20230317-WA0001.jpg282.3 KB · Views: 1,652
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IMG-20230321-WA0000.jpg257.2 KB · Views: 1,377
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SMPTE.png61 KB · Views: 1,297
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DIN.png58.1 KB · Views: 1,199
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CCIF.png54.8 KB · Views: 1,148
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1k5.5k.png56.3 KB · Views: 1,230
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multitone.png107.9 KB · Views: 1,849
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2nd GB DIYAampEF3_wolverine Schematic Version 4.3 (10-06-2023) 57V Rails.pdf147.6 KB · Views: 875
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2nd GB DIYAampEF3_wolverine Schematic Version 4.3 (10-06-2023) 64V Rails.pdf162.7 KB · Views: 730
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Wolverine Amplifier review by richbandit.pdf101 KB · Views: 638
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Wolverine Amplifier review by fireanimal (Andy) 30-06-2022.pdf972.3 KB · Views: 531
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Wolverine Precision EF3 Build Guide revision 41 (07-10-23).pdf7.2 MB · Views: 905
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