What does this circuit diagram of 1000w ways to use how many transistors?

Sanken 8 to 16 pieces of transistors and is it http://www.afiata.com/1000w-2000w-power-amp-ocl-circuit-using-sanken/ correct circuit to drive a woofer and the number of transistors and what to use.

It is incomplete. Certainly, you need more than shown in the diagram to run 1000 watts from a single pair 2sa1494/2sc3858 is good for 200 watts as a "maximum absolute "rating (the sheets). But you can not solve this problem simply by hanging a group of them in parallel. You must be very careful to match, and even after that, you have to do extra work to avoid oscillation and other questions. In addition, the scheme calls for a + / - 30 volts of power. I guess it's for a car? To provide 1000 watts output at 25 percent efficiency (not uncommon) that the offer should have a current rating of at least 70 amps. A + / - 30 volts, 70 amps supply which operates from 12 volts is not an easy task either. And even after these issues are addressed, there are hidden pitfalls in the construction Audio power amplifier high. I'm sorry, but I would say that an amp of 1000 watts of power is not really a DIY project when construction details offered are so scarce. An experienced handyman audio amp would be able to take the scheme and implement safe and would also supply circuits at hand. If I were you, I would go to certain web sites audio DIY and forums and playback starts. Then build something simple and low power that does not start a fire if a party fails ... as a headphone amplifier. Then, try power amplifier that operates on 12 to 14 volts, no need for negative supply, perhaps from a kit. The kits are a good way to learn construction techniques. You do not learn much about the topology of the circuit construction kit, but someone else running physical concepts through hands shows you things you really need to know about construction techniques. And you do not spend much time collecting parts from various sources, it must also avoid compromise when you can not find the exact parts you want.

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2SC4468 TRANS NPN 140V 10A Sanken
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2SC4468 TRANS NPN 140V 10A Sanken LOT OF 4
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2SA1668 Original New Sanken Transistor PNP A1668
2SA1668 Original New Sanken Transistor PNP A1668
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MN2488 BY SANKEN
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STK0765 Original New Sanken Transistor
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1x 2SA1215 Y 1x 2SC2921 Y Original SANKEN Audio High Power Transistors 8311B
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2SC2023 Original New Sanken Transistor C2023
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2SC2147 Original New Sanken Transistor C2147
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2SC2354 Original New Sanken Transistor C2354
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2SC2488 Original New Matsushita Transistor C2488
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2SA1216 and 2SC2922 SANKEN High Power Audio Transistor SKU83132B
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2SC4886 Original Pulled Sanken Transistor C4886
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2SD224 Original SANKEN Transistor 4 pcs
2SD224 Original SANKEN Transistor 4 pcs
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1 pair of 2SA1694 + 2SC4467 A1694 + C4467 Transistor SANKEN
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1pc of SE125N Transistor TO220 SANKEN
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2SC4467 Original Pulled Sanken Transistor C4467
2SC4467 Original Pulled Sanken Transistor C4467
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2SC3857 Original Pulled Sanked Silicon NPN Power Transistor C3857
2SC3857 Original Pulled Sanked Silicon NPN Power Transistor C3857
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2SD1769 Original New Sanken Transistor D1769
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2SC3855 Original Pulled Sanken Transistor C3855
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FML14S SANKEN DIODE UFAST 400V 5A TO 220F LAST ONE
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MN1840 Original New Sanken Transistor
MN1840 Original New Sanken Transistor
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2SC4382 Power Transistor 200V 2A BY SANKEN
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2SA1909 TO 3P PNP Audio Transistor 140V 10A Free USA Shipping and Tracking
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2SA1294Y Original New Sanken PNP 230V 15A 130 Transistor A1294Y
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2SC5101 NPN Audio Transistor 200V 10A Free USA Ship and Track
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2SA744 Original New Sanken Transistor A744
2SA744 Original New Sanken Transistor A744
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2SC3858 Original Pulled Sanken Transistor C3858
2SC3858 Original Pulled Sanken Transistor C3858
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2SA1216 and 2SC2922 SANKEN High Power Audio Transistor SKU83132C
2SA1216 and 2SC2922 SANKEN High Power Audio Transistor SKU83132C
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1 Piece New SANKEN STRW6053S STR W6053S TO220F 6
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Sanken 2SC1819 Transistor NOS TO 3 C1819 Japan Made 9S
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10 Sanken 2SC4467 NPN Audio AMP Transistors
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10 Sanken 2SA1694 A1694 PNP Audio AMP Transistor
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2SA1491 SANKEN Transistor A1491
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2SC3855 SANKEN Transistor C3855
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2SA1386A SANKEN PNP Power Transistor
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2SD2083 Original New Sanken Silicon NPN Triple Diffused Transistor D2083
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