How to connect IEEE 1394 to Thunderbolt 3 usb

I got two adapters Thunderbolt 3 (USB-C) to Thunderbolt 2 Adapter and Apple Thunderbolt to FireWire Adapter) and a FireWire 800 9-pin to 400 4-pin cable to connect a DV camcorder:

https://www.apple.com/shop/product/MMEL2AM/A/thunderbolt-3-usb-c-to-thunderbolt-2-adapter?fnode=d6f1662b62130679cc9a9db672fb246e714dc2ed0e27ef533a0da1c645ed7ae86d3f14b97c21419b47a0e67dee7e3c14be4b65da1c1f0f5724f3c9c7f9350254caa9a698ecf2b50e3e22f209c396a62216a4954927b2a0aa3db4984dbd3c5873f02756ef07b16185b1f1bd974b01eb1f

https://www.apple.com/shop/product/MD464LL/A/apple-thunderbolt-to-firewire-adapter?fnode=144b61092cd38fd0d9c64a3312fc431d93aec7a38cabd963429752dce49d82db2a168084336e19922e2c0c5282c9918bcda03d710a2f525149378e12b570153cea205800e0bdb8d5c76b1805b02cf8917424e7ba432e5dae1af94c1a77b57a28a488aa5bbfdddda40907beb52281a357

https://www.amazon.com/Tripp-Lite-FireWire-Hi-speed-F019-006/dp/B000AAZQM2/ref=sr_1_4?crid=38P09A5IJSGE1&dchild=1&keywords=firewire+800+to+400+4+pin&qid=1596714370&sprefix=firewire+800+to+400%2Caps%2C265&sr=8-4

Actually you would be better off replacing that old FireWire 400 Solo.

To connect the FireWire 400 Solo to your new Mac Mini, you will need 3 adapters.

a USB-C to Thunderbolt adapter,

https://www.apple.com/shop/product/MMEL2AM/A/thunderbolt-3-usb-c-to-thunderbolt-2-adapter?

a Thunderbolt 2 to FireWire 800 adapter,

ihttps://www.amazon.com/CERRXIAN-FireWire-Transfer-Adapter-Converter/dp/B06WVQ7DZP/ref=sr_1_8?

a FireWire 800 to 400 adapter,

https://www.amazon.com/CERRXIAN-FireWire-Transfer-Adapter-Converter/dp/B06WVQ7DZP/ref=sr_1_8?

Then hope the hodgepodge of adapters works and that there are Solo drivers for the latest macOS.

👍

Yea' those are the same Apple adapters that I posted above. Only differences is, that the OP needs a FireWire 800 to 400 adapter or cable to plug in the Solo.

What worries me more, is getting Solo Driver updates for latest macOS's.