As you can see from my Signature I have both.
Yes you can let the Shepherd off lead, Our Echo loves nothing better than non stop ball launching.
The Huskies though have a very high prey drive and will chase anything from
other dogs, cats, squirrels, birds, plastic bags, crisp packets, leaves blowing in the wind.
If they are off lead and something grabs their attention, they will be gone and except in the most rare cases
WILL NOT RESPOND to recall.
The only time IMHO you can let your Husky off lead is in a secure fenced area.
There have been plenty of posts on this subject both for and against.
Have a trawl and have a good read.