Aidio xfmr is usually under the chassis. Organs are unwanted in MI, many free just to pick up. Hammond usually have Mullard 12AX7/12AU7 & Holland EL84 tubes- not near as many as other brands. Some larger Hammond models have 6267, 7247, 7591s, etc.
Baldwin Orga-Sonic have either 50 12AU7s & a few 12AX7 or 24 12AX7 and about 30 12AU7. Of course, most had a pair of RCA 6L6GC black plates. Old Baldwins are loaded with 6SN7s.
Allen church organs have about 90 6SN7s. Some audiophiles say the old Allens have OTs that rival McIntosh & the amps are excellent. They use a driver transformer instead of a phase splitter. Most have four 6L6 for about 80 watts.