On listing is one matched set of MOSFETs good for diy of MOSFET preamp Aleph P or similar.
The set consists of 10 pieces of IRF610 and 4 pieces of IRF9610 with breakdown as below :
1. 2 set 4 tightly matched pieces of IRF610 ( thus 8 pieces ) for balanced differential pair;
2. 2 sets of tightly matched pair of IRF9610 ( thus 4 pieces ) for current source;
3. 2 pieces of unmatched IRF610 for the power supply.
