sound

Nintendo NES
MidiNES cart
MIDIbox64
Sinclair ZX Spectrum +128K case

NES

NES_guts_1

NES_guts_2buttons_line

MIDIbox FM
Sinclair ZX Spectrum +48K case

MBFM_front

MBFM_guts
MBFM_CS_backbuttons_line

YAMAHA YM2149 synth module by Wil Lindsay
MIDIbox NG
Sinclair ZX Spectrum + case

YM

YM_gutsbuttons_line

Nintendo Game Boy, DMG
Backlight, Biversion and Sound-mod
NES controller
Sinclair ZX81 case

gb_top

gb_guts_1

gb_guts_2buttons_line