jerryhkm
發表於 2011-1-4 12:56
Your amp use 2nos. 12AX7 and 4nos. EL84.
The most effective upgrade would be change the 12AX7 first but the one your amp provided is GE5751(12AX7 compatible) seems not bad.
Therefore you can change the EL84 if necessary. Mullard would be good if you like sweet sound (I'm using).
googleli
發表於 2011-1-13 03:59
Thanks ching. Where can I get Mullard NOS tubes in Hong Kong? Many thanks.