Up for sale here is this set of 20 brand new Toshiba transistors-- 10 (ten) TTA004BQ and 10 (ten) TTC004BQ transistors. These are genuine Toshiba transistors, and are invaluable for vintage electronics restoration. They are great subs/replacements for a number of vintage transistors that can get noisy over the years.

TTA004BQ can replace:
2SA327
2SA684
2SA720
2SA773
2SA777
2SA844
2SA850
2SA912
2SA1220
2SB527

TTC004BQ can replace:
2SC1124
2SC1212
2SC1318
2SC1384
2SC1904
2SC2071
2SD357

Many vintage Pioneer, Sansui, Marantz, and other brand receivers and amplifiers will develop transistor issues over the years, and these brand new transistors are a great way to fix that. Please see my pictures for details.

US shipping and handling is $5, and international is $18, no matter what quantity you buy. All of my small parts are set up for combined shipping--just use the "add to cart" feature and then check out at once, and the shipping will be automatically discounted.