非常发烧之旅：拜访香港别超余师父和试听瑞士新贵darTZeel前后级 [复制链接]

darTZeel NHB-18NS preamplifier
Gain : Line 11 dB
Phono 30 to 66 dB (up to 77dB gain at output)
Frequency response : 1 Hz to 1 MHz, +0, -6 dB (depends on measurement method).
10 Hz to 100 kHz, +0, -0.5 dB (depends on measurement method).
20 Hz to 50 kHz, ±0.5 dB (XLR inputs and outputs).
Rise time : < 0.8 µs. (depends on measurement method).
Slew rate : > 88 V/µs, peak-peak.

频率响应远远超过20kHz的惯例