EN7504A и другие
| Компонент | Описание | Производитель | |
| AN7504SB | Pre-amp. and power amp. IC for 1.5 V headphone stereo |
Panasonic Semiconductor |
 |
| EN7504A | Low-Frequency General-Purpose Amplifier Applications |
Sanyo Semicon Device |
|
| ENN7504 | Low-Frequency General-Purpose Amplifier Applications |
Sanyo Semicon Device |
|