Nagra JAZZ

Nagra Jazz Preamplifier tube valve front modulometer peclette

Manufactured from 2012 to 2017

High-end vacuum tube preamplifier

The JAZZ is a Pure Class A vacuum tube preamplifier, with a totally redesigned circuit concept when compared to the concepts of the world-renowned PL-P and PL-L. It pushes the barriers of deep, natural, highly defined sound to the limits. It boasts a fine tune balance control allowing minute differences in the stereo image to be delicately adjusted. Built-in a jewel-like machined anodized aluminum case with a solid aluminum front panel.

Technical specification

ELECTRONICS

Input impedance: > 75 K Ohms
Output impedance: 50 Ohms
Frequency response: 10 Hz – 50 kHz (+0 /-0.5 dB)
Signal to noise ratio: Typically 105 dB (ASA A) Ref 1 V
Dynamic range: > 112 dB Gain at +12 dB
Minimum input level to reach 0: dB (meter) 0.25 V rms Gain at + 12 dB
Maximum input level to reach 0: dB (meter) > 25 V rms Gain at 0 dB
Total harmonic distortion (THD): <0.02 % @ 1 kHz, 1 V out, no load
Crosstalk: > 78 dB

 

TUBES

Vacuum tubes: 2x 12AX7 / ECC83 1x 12AT7 / ECC81 Selected by Nagra Laboratory

 

GENERAL

JAZZ consumption: 12 V 900 mA Standby <10 mW
Power supply: 115 V or 230 V AC input ACPS II power supply
Dimensions: 310 x 254 x 76 mm 12.2 x 10 x 3 inches
Weight: 3.3 Kg – 7.27 lbs JAZZ unit alone

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