JBL BALBOA SUB10 is a subwoofer amplifier product of JBL circa 2000s era. It can make 100 Watts output subsonic audio and peak power until 250 Watts.
INFO
It can process and amplify Range Freq of 30Hz up to 150 Hz of woofer frequency.
SCHEMATIC DIAGRAM
This is a schematic diagram of power amp section of BALBOA SUB10.
Voltage of the Power Amplifier aprox 32-35VDC simetrically at 4 Ohm load.
Maximum output of transistor TIP35 is 125 watt ( DATASHEETS HERE ) .