This is to keep track of variations on this project, and give others guidance on what was used. If you have one in-progress, feel free to enter the info on the parts you are using or plan on using. Feel free to enter notes, links, pics, comments and such in the last col.

Date Finished or IP	Name	Transformer	Total uF Per Ch.	DC Rails	Emitter Resistors	Output Devices & # Per Ch.	Notes, Links, Pics, Comments
1981-87	Original	400VA x 2	80,000 uF	37.5 VDC	0.5 Ohms	MJ15003/4 (2 each) TO-3	50 WPC Class A
1.	Mark G.#1	680VA X 2	112,000 uf	39.0 VDC	0.68 ohms	MJL 21193/4 (3 each)TO- 247	54 WPC Class A - Amp has been scrapped out to build permanent version.
2.	Assesears	500VA x 2	90,000uf	33.0VDC	0.68ohms	MJL4281A/4302A(3 each)TO-247	36WPC ClassA? (small heatsink)
3.	Stuart Easson	2.8kVA x 2	2x25000	105VDC	0.68ohms	MJ21193/4(16 each)TO3	50W/Class A ; 500W/Class B
4.	Stuart Easson	450VA x 2	CLC 68k/2.7m/68k	37v DC	0.68ohms	MJ15003/4(2 each)TO3	50W/Class A , 75wClass B
5. July 31, 2005	still4given	500vA X 1	CRCRC 45,000	42 VDC	0.68 ohms	MJ15003/4 (3 each) TO-3	(don't know) [Pictures]
6. August 8, 2005	LGreen	700VA x 2	128,000 uF	37 VDC	0.499 ohms	MJ21193/4 (4 each) TO-3	Notes- low/high bias option switches from 20 WPC Class A to 50 , WPC Class A at 8 ohms, fan cooled; 70 lbs/ 32Kg. Discussion and Pics- (a) [Post #3609] (b) [Personal Web Page]
7. in progress	Mark G. #2	---	112000 mfd	---	0.68 ohms	MJL 21193/4 (3 each)	Proto test of WIKI boards
8.	NUTTTR	800VAx3	272,000uf/ch	38v DC	0.68ohm	MJ21193/4 (5 pairs/ch)	Not yet...
9. March 2006	JoeyDD?	500VA x 2	80000uF/ch	36VDC	0.68ohm	MJL21193/4 (3 pairs/ch)	2 monoblocks, passive cooling, [Pictures]
10.	jacco vermeulen	300VAx8	CLC,78000uFx6,2.5mHx2 aircoils/ch	35VDC	0.68Ohms	2SA1216/2SC2922(12/ch)	4 discrete voltage regulators for main and driver board with 9VAC/27VA step-up toroidals/ch,80x80mm Papst fansx6/ch,7 amps bias?
11. November 26, 2005	LuckyLyndy	500VA X 2	112,000 Per Chan.	+/- 40 F.	0.68	6 Ea MJL21193/4 Chan.	DC Variable Speed 15 vdc Fans Running at 6.5 V.
12. November 28, 2005	Luke	25V@7.5A	CRC 96,000uF	36 VDC	0.4 ohms	MJL4281, MJL4302 (3 each) TO-3	(don't know)
13. A week or so left	KMJ	2x540VA	132k uF / Ch	38VDC	F. Re	MJ15003/4 (3 each) TO-3	Fancontrolled cooling and monitoring done
14. February 27,2006	Mark A. Gulbrandsen	2 kva dual secondaries	56,000 per rail	+/- 38 volts	?	MJ21193/94 3 each TO-3	Dual fans at half speed. Final version for me
15. In-Progress	Googler	2KVA Bel Canto Dual Pri/Sec	searching	+/- 40VDC	?	6 x MJL21193/4 per ch	Heatsinks are 12Lx5Wx5H w/ 14 ribbed fins. Boards Stuffed!! Need PSU CAPS
16. In progress	niles	2x500VA	56,000 per rail	~41V DC	0.68R	3 Ea MJ21195/6 per Ch..	Building matched pair as bridged monoblocks using authentic Pass A2 sinks with custom machined chassis fittings
17. Collecting parts	bikehorn	1x 1250 VA xformer with 2x 39-0-39 sec'ys	ESP capacitance multiplier	39 VDC	0.5 ohm	MJL21193/4 TO-3P, 5 pairs/ch	will include VU meters
18. June 27, 2006	zlast	2KVA 28X2	120000 uf	Rail +/-40 V	0.47 ohm	3 pair MJL21193/94 per ch	4 channels/ redesigned boards so outputs transistor on board /50WPC Class A. [Pics/ Post #6747]
19. July 3, 2006	Farl	1X500 VA	66,000 uf per rail	+/-41V	0.68R	3 pairs MJL21193/94	Maybe 50W Class A [Pics/ Post# 6774]
20. in progress	Andrew T.	30+30Vac	750VA	60mF per rail	+- 42Vdc Re=0r333	6pr 2sa1943/c5200 passive cooling 3off 8"*8"*2" sinks/ch	100W ClassA? into 6r, Iq=3A, twin drivers 2sb649/d669, +- 42Vreg frontend
21. In progress	Harry3	Two 500VA 25+25Vac	56000uF per rail plus 1000uF & 0.1uF caps next to O/P transistors	+- 35Vdc	0R5	6pr 2SA1943/2SC5200	2x80VA trans. for front end-will regulate. Two Semikron heatsinks 300x200mm - 80mm fins plus 2 fans
22. In Progress	Harry3	Two 500VA? 30+30Vac	60000uf per rail plus 1000uF & 0.1uF caps next to O/P transistors	+- 42Vdc	0R68	6pr 2SA1943/2SC5200	Two 12Volt fans running at 7 Volts, very low noise.
23. May 15, 2021	XaQ	1.2KVA 29-0-29x2	130000 uf/rail	+/-40 V unloaded	0.68R	3 pair mjl21193/4	2 stereo amps 4 passive heatsinks 15.5"L 5.5"W 6"H 46 fins ea. [Pics/ Post# 9284]
24. September 17. 2007	Steenoe	2 pcs 500VA 26x2	90.000uF per ch	E. 35V	0,68r 6W	MJW1302A/MJW3281A 3 pairs per channel	Passive cooling, weight 42 Kg
25. Jan 01 2008 / IP	B. Jack Richards	C. 2 X 500VA	D. 44000uF/chan/rail	E. 38 V	F. Re=0.5	G. # 4xMJ21194	H. Bought fake trans from ebay (HonestCard?) ended up buying from OnSemi?. Now sounds fantastic
26. February, 2008	john65b	1240VA	2 x 56,000uf/rail uF	37 VDC	Re R68 biased @ .65mv	3pr 2SA1943/2SC5200	Sounds EXCELLENT. Bests my UCD400 by quite a bit
27. December 22. 2008	neychi	2 x 400VA	2 x 47000uF per ch	38 VDC	Re 0.5R	3 pairs MJL21193/21194	Passive cooling, 55W class A