West (below) 77: "[t]he nablas or nabla was a Phoenician harp that arrived in Greece about the end of the fourth century BC. Its sound is described as 'throaty'. It was played without a plectrum, and was regarded as suitable for merrymaking."
See also LSJ(9) s.v. νάβλα, ἡ : "a musical instrument of ten or (acc. to J[osephus] AJ 7.12.3) of twelve strings, cj. in S[ophocles] Fr.849, cf. LXX 1 Ki.10.5, al.:--also ναβλας, -α, ὁ , Sopat[er fr.] 16, Philem[on fr.] 44, Str[abo] 10.3.17; cf. ναῦλον I. (Semitic word, cf. Hebr. � ֵבֶל nēbel; Phoenician, acc. to Ath[enaeus] 4.175b.).
cf. psi 15.