The organ has been enhanced by some reverb.
Church 0-rear facing Cardoid 6.7m-LK-3.8s
http://www.pbrd.nl/index.php/vo/van-oeckelen-oude-pekela
Producer: van der Waal van Dijk
The organ can still be downloaded and with reverb sounds passable.
I first became aware of it here;
https://www.youtube.com/watch?v=zQVfNBgjOeo&t=690s
Born: 20 August 1877, Zaandam, Netherlands
Died: 13 July 1937, Zaandam, Netherlands
After having been an organist of the Dutch Reformed Church in Rotterdam and Capelle aan den IJssel, he was appointed in 1898 in the same position at the Reformed Evangelical Lutheran Church in Amsterdam.