Pure

[bluepork19]

2d. source of inspiration?you'll need some other at once(5)e?A?O
5d. sailor absorbing a lot of nonsense,like many statistics?(7)T?B?L?R
14d. a fine combination of fun and zeal produces guilt in the rich(9)A?F?U???A
19a. variable error unknown in system model(6)O?L?D?
21d. oracle is upset by line(5)S???A
24a. central feature of walkman-no bass volume control?(4)????
23d. one former partner accepting new addition to home?(5)A?N??
27a. erotic-certainly backed receiving appropriate classification(4)S???
thanks in advance

[Oldred]

5d tabular

[scorpiojo]

2 Erato - in clue
5 tabular
14 affluenza

[Oldred]

23d annex

[elliemay1]

2d erato

[scorpiojo]

23d annex

[Oldred]

24a knob ?

[jim360]

2d ERATO (a muse, othER AT Once)
5d TABULAR (Tar about (A+BUL[L]))
14d AFFLUENZA (A+F[ine]+ anag. "fun zeal")
23d ANNEX (An + Ex about N[ew])
27a SEXY (Yes< about X[-rated])

[shaneystar2]

19a Orrery
27a Sexy

[elliemay1]

sexy??

[scorpiojo]

21 Sibyl