uf4007 ok to use for bias supply in Ampeg B25?

[Joel in Texas]

Hi all.  Working on an Ampeg B25 with a handful of issues. 

Here is a link to the schematic:

https://irationaudio.files.wordpress.com/2015/03/ampeg-b-25-schematic1.jpg

Any recommendations for a replacement for the bias supply diode, marked F4 on the schematic? 

uf4007?  Other?

Thanks.

[st]

A 4007 is de ok.