| Full inspection including quotation | €50 |
| Refurbished treble panel (tweeter) including dust cover † | €165 |
| Refurbished bass panel including dust cover † | €165 |
| Dust cover replacement one panel both sides | €40 |
| Refurbished HT power supply each | €40 |
| Quad ESL protection board each | €40 |
| Full technical refurbishment | €995 |