Most SETs run from about 2mV to 10mV of 120Hz hum. Less power is less hum so 2A3s are on the low side SOMETIMES.
If possible, think about buying your stuff as a system instead of in separate components (even if you cannot afford both right know). They are going to work together in your listening room. Read Eduardo B.E.de Lima's article "Why single ended Tube Amplifiers". He discusses how SETS and speakers, when phased correctly, produce less harmonic distortion than either component separately.
You should be able to find the article with a search on the web under his name.
CK
If possible, think about buying your stuff as a system instead of in separate components (even if you cannot afford both right know). They are going to work together in your listening room. Read Eduardo B.E.de Lima's article "Why single ended Tube Amplifiers". He discusses how SETS and speakers, when phased correctly, produce less harmonic distortion than either component separately.
You should be able to find the article with a search on the web under his name.
CK