Mine is a little old but plays all the hits,
CPU: Zilog Z80[27] @ 3.58 MHz
Support processors: three Motorola 6801 processors at 1 MHz (memory & I/O, tape, and keyboard control)
Memory: 80 kB RAM, 16 kB video RAM; 32 kB ROM
Secondary storage: Digital Data Pack tape cassette, 256 kB
Graphics: Texas Instruments TMS9928A (a close relative of the TMS9918 in the TI-99/4A)
256 × 192 resolution
Sound: Texas Instruments SN76489AN (a rebranded version of the TMS9919 in the TI-99/4A)
3 voices
white noise