
Nagra
JAZZ
MSRP not recorded
The Nagra JAZZ is a Pure Class A vacuum-tube preamplifier manufactured by Nagra from 2012 to 2017. It uses two 12AX7/ECC83 tubes, one 12AT7/ECC81 tube selected by the Nagra Laboratory, Nagra-made transformers, and an external ACPS II power supply, housed in a machined anodized-aluminum case with a solid aluminum front panel. It provides one XLR unbalanced and four RCA inputs, switchable RCA or transformer-balanced XLR outputs, 50-ohm output impedance, 10 Hz–50 kHz frequency response, and a typical 105 dB ASA-A signal-to-noise ratio.
MSRP
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Original list price not on record.
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Specifications
- SNR
- Typically 105 dB (ASA A) Ref 1 V
- Crosstalk
- > 78 dB
- Weight
- 3.3 Kg – 7.27 lbs JAZZ unit alone
- Power supply
- 115 V or 230 V AC input ACPS II power supply
- Vacuum tubes
- 2x 12AX7 / ECC83 1x 12AT7 / ECC81 Selected by Nagra Laboratory
- Dimensions
- 310 x 254 x 76 mm 12.2 x 10 x 3 inches"
- Dynamic range
- > 112 dB Gain at +12 dB
- Input impedance
- > 75 K Ohms
- Jazz consumption
- 12 V 900 mA Standby <10 mW
- Output impedance
- 50 Ohms
- Frequency response
- 10 Hz – 50 kHz (+0 /-0.5 dB)
- Total harmonic distortion THD
- <0.02 % @ 1 kHz, 1 V out, no load
- Maximum input level to reach 0 db meter
- > 25 V rms Gain at 0 dB
- Minimum input level to reach 0 db meter
- 0.25 V rms Gain at + 12 dB
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