NBS UNIVERSAL II 前後級擴大機繽紛登場

SPECIFICATIONS 前級擴大機規格
Single-ended inputs: 2 stereo pairs, Zin = 20KΩ
Balanced inputs: 1 stereo pair, Zin = 48KΩ
MC Phono inputs: 1 stereo pair, balanced on floating RCA jacks, Zin = 50, 100, 250, 500, 1KΩ via front-panel switch
MM Phono inputs: 1 stereo pair, balanced on floating RCA jacks, Zin = 47KΩ//100pF
Single-ended outputs: 1 stereo pair, Zgen = 220 Ω, Load Z = >500 Ω
Balanced outputs: 1 stereo pair, Zgen = 50 Ω, Load Z > 500 Ω
Max. Gain (Vol CW):
Line input to line output = 10 dB unloaded
MM Phono input to line output = 48 dB
MC Phono input to line output = 71 dB
Frequency response (Tone flat):
Single-ended in: +0/-1dB 1Hz – >100 kHz
Balanced in: +0/-1dB  DC – >100 kHz
Phono in: RIAA +/- 0.1dB 20Hz – 20 kHz
Signal/noise ratio re 1V rms
Line inputs > 100dB, 30 kHz BW, A wtd
MM input > 78dB, 30 kHz BW, A wtd
MC input > 75dB, 30 kHz BW, A wtd
Total Harmonic Distortion:
Line in to line out, 4Vrms <.005%
Phono in to line out, 4V rms <.02%
Mains requirements:
Properly installed, grounded service
Nominal 100VAC – 240VAC 48-62 Hz
18 Watts

SPECIFICATIONS 後級擴大機規格
AC Mains voltage: (without adjustment) Nominal 100-240VAC, 50-60 Hz
AC Mains power factor at max output: >.95
Power output: 180 Watts/8 Ohms, 360 Watts/4 Ohms
Permissible load range: Any load > 1 Ohm
Frequency range: 4Hz – 35 kHz
Voltage gain: 26 dB (2V input for rated output)(141 mV for 1 Watt/8 Ohms)
Inputs:
Balanced: XLR Female
Single-ended: RCA Female
Outputs: 2 sets: Binding posts
Dimensions:
17” (432mm) Wide
16” (406mm) Deep plus connections
5.1” (130mm) High including feet
Weight: Approx 35 lb. (16 Kg)
Construction: Machined Aluminum

NBS: http://www.nbscables.com/

About Ted Chen

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MY-HIEND 資深編輯,主要負責採訪與器材測試的工作。