While the pictures and video show two (2) modules, but please note this module is listed for individual sale.

Our STK0059+ replaces the entire family of STK00[x]9 parts.

Compact design, with the same mounting holes as the original Sanken.
Just six solder connections.
Typical current gain 8,000-20,000 vs original 2500.
15 amp, 160 volt transistors INSTEAD of the original 5 amp, 100 volt part.
These same power transistors are used in the 140 watt per channel Marantz SR8012, Denon AVR-X7200W, and the Yamaha RX-A3070.

NO bias adjustment, preset during testing.
NO paste needed, we supply silpads.
NO drilling or grinding to fit.
NOT 35 years old or counterfeit.
YES, every module tested with our Technics SA-300 amplifier PCB
YES, gold-plated PCB. PCB Finish, ENIG (Gold), compliant with IPC-4552.
YES, 4 ohm speakers. We use 15 amp outputs vs original Sanyo 5 amp devices
YES, free USPS shipping in the USA.

Hand tools and simple solder skills required.
Technical knowledge required.
No returns and limited support, this is not for beginners.
We do supply instructions and helpful test tips.

Other Products on Offer:
S-100+..........Sony SS-120A, Optonica S-100
SP-40W+.........SX-650, SA-7300, SA-6700, Rotel RA-414, Technics SA-425
STK0050+........SX-780, SR4000, KR-5010, RS-2004A, JA-S44, JCX-2050
STK0059+........Technics SA-300, SU-8044, Sanyo DCX-811, Pioneer SX-680, SX-690
STK0080+........Fisher RS-2010, CA-880, CA-800, Marantz SR6000
STK1060+........Sanyo STK1030, STK1040, STK1050, STK1060

STK1080+........Sanyo STK1070/80, Akai AA-R42

STV-X+..........Sanken STV-2H, STV-3H, STV-4H
TA-100W+........Kenwood KA-8300/7500/9800
TA-100WA+.......Kenwood KA-9100/9150
TA-200W+........Kenwood KR-9600
ODR OUTER+......Converts Pioneer ODR Head units proprietary socket to Toslink
VS-1............Video/SPDIF/Audio Sensor for Home Automation

NOTE: The TA100W and TA-100WA are very similar, but do not run at the right temperature if swapped.