| 释义 |
pre-amp|ˈpriːæmp|
abbrev. of preamplifier.
1957Practical Wireless XXXIII. 573/1 The pre-amp and output stages make use of highly efficient miniature valves. 1968Times 29 Nov. (Sound of Leisure Suppl.) p. ii/2 The cost of stereo at its best is off-putting (a second matching speaker, stereo amplifier and pre-amp., stereo head, cartridge and stylus—your old turntable will still suffice). 1975Hi-Fi Answers Feb. 81/1 (Advt.), Leak 12 watt mono valve amplifier, with Rogers pre-amp. {pstlg}8. 1978Nature 18 May 218/2 A preamp was mounted directly on the base of the detector (bias ∼ 100V) and its output was fed to an amplifier. |