Hafler P7000 / Hawksford-Cascode Revision

January 2024
StatusCompleted
Circuit familyHafler-inspired / MOSFET
Photographs25 full-size gallery images
Downloads3 local design and reference files

Project Notes

A completed revision of the Hafler-inspired amplifier using a Hawksford cascode VAS. Both channels were assembled and used; the record includes the revised circuit, PCB, measurements and final hardware.

diyAudio discussion

Photo Gallery

20240103 222040 HDR
1. 20240103 222040 HDR 		topampview
2. topampview 		20240103 222049 HDR
3. 20240103 222049 HDR 		20240103 222053
4. 20240103 222053
sin1mx
5. sin1mx 		20240103 222144
6. 20240103 222144 		20240103 222207
7. 20240103 222207 		sq34k
8. sq34k
sq100k
9. sq100k 		20240103 222346
10. 20240103 222346 		sinus100k
11. sinus100k 		sq68k
12. sq68k
20240103 222655
13. 20240103 222655 		20240105 143008
14. 20240105 143008 		20240105 143026
15. 20240105 143026 		hafler hawk 06
16. hafler hawk 06
hafler hawk pcb
17. hafler hawk pcb 		20240105 143023 HDR
18. 20240105 143023 HDR 		20240105 143011
19. 20240105 143011 		20240105 143009
20. 20240105 143009
20240105 143004
21. 20240105 143004 		20240105 142957
22. 20240105 142957 		20240105 142946
23. 20240105 142946 		hafler hawk 06
24. hafler hawk 06
hafler mosfet.06
25. hafler mosfet.06 		     

Design Files and Documents

Documents and notes

FileSize
doc\hafler_p7000_schematic_low_res.pdf 301 KB
doc\Hafler-P7000-pwr-sm.pdf 446 KB

LTspice simulations

FileSize
hafler_mosfet.hawk.06.asc 17 KB
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