2003년 5월 30일 네개의 데모 시디 발매

thanks to 이성문씨, 진마씨
amature amplifier released 4 demo CDs

*2/9/Y/O/M/C(without unhidden video, reissued)

*aneumire(아내의미래)
includes '극좌표', '폰팅할까요', '김형사 끝나고 술한잔 어때'

*manekin single
includes 'manekin(demo)' and 'dongne golmok song'(heomuhon gwa eunsegye cover)

*aurora(오로라) includes 99 tracked aurora

'manekin', 'aurora' cover by miryazu
and 매우 thanks to people who bought demos
amature amplifier keeps stroking till dead body with decayed memory