Nagra CLASSIC PREAMP

Nagra classic preamp modulo best high end preamplifier front vfs

A 级管立体声前级放大器

Nagra 的工程师从大受好评的 Nagra JAZZ 前级功放入手,融合 HD DAC 独特的设计理念,打造出了更高性能的前级功放,带来无与伦比的音乐盛宴和听觉享受。
CLASSIC PREAMP 是 Nagra CLASSIC AMP 和CLASSIC DAC 的最佳拍档。

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Technical specification

ELECTRONICS

Frequency response: 10 Hz – 50 kHz (+0 / -0.5 dB)
Dynamic range: >125 dB (Gain at +12 dB)
Minimum input level to reach 0 dB (meter): 0.28 V rms (Gain at +12 dB)
Maximum input level to reach 0 dB (meter): >25 V rms (Gain at 0 dB)
Crosstalk: >85 dB
Total harmonic distortion (THD): <0.01% at 1 kHz out, no load
Input impedance: 50 KΩ
Output impedance: High mode: 24Ω / Low mode: 6Ω
Vacuum tubes (selected by Nagra Laboratory): 2x 12AX7 / ECC83
1x 12AT7 / ECC81
Power consumption: 12 V 1040 mA
< 1o mW in standby
Power supply: 115 V or 230 V AC input

 

CONNECTIONS

Inputs: XLR
RCA 1 to 4
Outputs: 2 x XLR
1 x RCA

 

GENERAL

Dimensions: 350 (390 from nose of the modulometer to back of the connectors) x 277 x 80mm (15.4 x 10.9 x 3.2 inches) – Add 3cm or 1.2 inches with a VFS plate placed under
Weight: 4.9 Kg (10.8 lbs)
NAGRA CLASSIC DAC set up 配置 digital to analog converter 数模转换器 CD Seven AMP PSU Wilson

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