Cryptic crossword No 3,729

Across

1. Rushes and makes it big? (5)
2. Talkative Yankee glad to be free from leader (5)
3. Base hidden in treacherous black sea making arrangement with previous owner (9)
4. Occurrences of men with a phone behaving oddly (9)
5. Alarm announced measurement of exponential magnitude (3)
6. Take the top bunk? (9)
7. Question covered by novel opera could be less obvious (7)
8. Fabric and leaf tea picked up first (5)
9. Dip tip of donut in large beer (5)
10. Sonic slot machine has fight taking place after dance (7)
11. Reptile all right about, for example, retreating (5)
12. Force in Rome is after Vatican City (3)
13. Team remains after unit lets Ron go (5)
14. Uplift DJ Mag Club regularly, featured within release (9)
15. Vitamin B derivative discovered in gelato ruling (7)
16. To be infected by desirable partner (5)
17. Left inside rampant firearm (5)
18. Support given year after audition (7)

Down

1. Uncovered old scandal. Perhaps acted debauchedly in college? (5,2)
2. Part of serving is Dijon? (7)
3. Rifts caused by sounds of disappointment below Florida (5)
4. Arouse first lady with satisfactory insertion (5)
5. Zero change for egg supplier? (5)
6. Bigger embrace by former monarch (5)
7. Having great assets to arrest principal of Yale (5)
8. Quail cove in commotion is hard to interpret (9)
9. Wisdom to be aware of projection (9)
10. Wooden boards to hit unknown pair with large old ring (9)
11. Cut area by base (3)
12. Model for each start of film, acting out, etc. (7)
13. Samples weird taste missing a pinch of salt (5)
14. Posh Spice's routine (5)
15. Former performance meant dodging a harsh demand for money (9)
16. Man-eater Juliet taking drugs around unknown bachelor, with a bit of leg being raised (7)
17. Nuts and bananas (5)
18. Suzie holding piece (3)