Between S$1,000 to S$5,000 PrimaLunaEVO 100 Tube Preamplifier PrimaLunaProLogue Premium Preamplifier PrimaLunaDiaLogue Premium Preamplifier PrimaLunaEVO 100 Tube Preamplifier PrimaLunaProLogue Premium Preamplifier PrimaLunaDiaLogue Premium Preamplifier Between S$5,000 to S$10,000 Ayre AcousticsK-5xeMP Conrad JohnsonET3SE Conrad JohnsonET6SE PrimaLunaEVO 200 Tube Preamplifier PrimaLunaEVO 300 Tube Preamplifier YBAGenesis PRE5A PrimaLunaEVO 400 Tube Preamplifier Ayre AcousticsK-5xeMP Conrad JohnsonET3SE Conrad JohnsonET6SE PrimaLunaEVO 200 Tube Preamplifier PrimaLunaEVO 300 Tube Preamplifier PrimaLunaEVO 400 Tube Preamplifier YBAGenesis PRE5A Between S$10,000 to S$20,000 Ayre AcousticsKX-5 Twenty Conrad JohnsonET5 Conrad JohnsonET7s2 YBAPassion PRE550A Ayre AcousticsKX-5 Twenty Conrad JohnsonET5 Conrad JohnsonET7s2 YBAPassion PRE550A Above S$20,000 Ayre AcousticsKX-R Twenty Conrad JohnsonGATs2 Dan D'AgostinoProgression Preamplifier Dan D'AgostinoMomentum HD Preamplifier Dan D'AgostinoRelentless Preamplifier YBASignature Preamplifier DartZeelNHB-18NS Ayre AcousticsKX-R Twenty Conrad JohnsonGATs2 Dan D'AgostinoProgression Preamplifier Dan D'AgostinoMomentum HD Preamplifier Dan D'AgostinoRelentless Preamplifier DartZeelNHB-18NS YBASignature Preamplifier