[Morrow] Substituting Tubes in the Morrow

[David Colburn]

Any reason to prefer one of these for my MB-560, please?

6AV5GA - TETRODE, BEAM POWER
On sale through February, 2003 5.55
$2.30

6AV5GT - TETRODE, BEAM POWER
On sale through February, 2003 4.25
$1.90 

http://www.tubesandmore.com/

Thanks! & 73, doc kd4e