In 1951, Stefan Kudelski’s prized invention, the “NAGRA” (meaning “will record” in Polish) was revolutionary, delivering a portable audio tape recorder with exceptional specifications: light, compact, self-contained and portable, yet delivering high audio quality.

More than 60 years separate the first Nagra professional recorder from today’s devices. During the intervening period, Nagra Audio has witnessed dramatic changes in technology and yet still produces some of the finest commercial and audiophile equipment available today. 

The reputation of Nagra equipment is firmly established among audio professionals. Whether in the television and cinema industries or among radio journalists, Nagras are always appreciated for their sound quality and reliability. Equipment such as the Nagra III,  4.2 and the Nagra IV-S Time Code are seen as benchmarks in terms of sound recording for cinema productions and have been used on film sets the world over. The performance of this equipment has been recognized with three Oscars® and an Emmy® Award.

Nagra’s audiophile reputation is tremendous, and they continue to combine cutting edge technology with the best elements of their historical expertise. All of us at Padood has long admired Nagra equipment. After we visited Romanel-sur-Lausanne our respect and admiration grew even further. Meeting Pascal, Matthieu, Philippe and the rest of their dynamic team, we knew we had found kindred spirits. We are honoured that Nagra has chosen us to represent them in the UK and Ireland.

Nagra HD DAC

The HD DAC is the purist interface from the digital world to pure audio excellence. The no-compromise definition reproduces the original sound with total integrity.

Its state-of-the-art design concept, linked with high resolution DSD features are married with the Swiss know-how from the professional domain.

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“The Nagra HD DAC has excellent coherence from the deep, powerful bass to the unforced, grain-free treble. It has sublime detail and you’ll hear things in your music you didn’t know were on the recording.
We are duty bound to find a downside to any product, but in concluding the review of the Nagra HD DAC, I simply couldn’t find one. It represents a leap in digital audio performance that doesn’t happen that often.”
Hi-Fi+ DAC of the Year 2016


  • Internal processing: 5.6 MHz, 72 bits
  • Compatible digital formats: PCM 24 bits up to 384 kHz, DXD, DSD x 2
  • Bandwidth: 5Hz to 40 kHz (+0 – 3dB)
  • Noise level:  -128 dBr (linear)
  • Distortion: < 0.02% (at -20dBFS)
  • Digital inputs: 2 x S/DIF, 2 x AES/EBU, 1 Optical, 1 Audio USB (mode 2), 1 I2S (Nagra format)
  • Outputs: 1 stereo on RCA connectors, 1 stereo XLR (symmetrical on transformers available as an option)
  • Dimensions: 277 x 350 x 76mm (12.2 x 13,7 x 3 inches)

Nagra HD Amp

The Nagra HD AMP was designed for ultimate high-end systems that are able to reproduce the music realistically. The HD AMP are mono amplifiers, they can drive the most demanding speakers and transcend their performance.

The HD AMP came from the need of bringing Nagra signature transparency into more powerful amplifiers to accommodate yet larger rooms and larger speakers.

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  • Power: 250 W per channel 8 Ω, 1000 W on lower impedance
  • Sensitivity: 1 V or 2 V RMS
  • Bandwidth: 0 Hz to 120 KHz, +0/-0.5 dB
  • Signal-to-noise ratio: Typically 110 dB ASA “A” weighted
  • THD+N: < 0.03%
  • Input type: XLR balanced, RCA unbalanced
  • Input impedance: 88 KΩ on balanced input, 44 kΩ on unbalanced input
  • Power consumption: 1200 W max, <1 W in standby 
  • Weight: 56 Kg (123.4 lb) each unit
  • Size: 238 x  644 x 542 mm (9.3 x 25.3 x 21.3″)

Nagra Classic DAC

The Nagra CLASSIC DAC derives most of its technology from the Nagra HD DAC which has so impressed audiophiles throughout the world, but has been developed to integrate fully with the CLASSIC range and retail at a lower price point.

With the identical digital input and conversion boards as the Nagra HD DAC, it is only in the analogue stage that the Nagra CLASSIC DAC differs. It produces the same “analogue” sound as its bigger brother which is considered to be the standard in the D/A market by which all other machines are judged.

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  • Internal processing: 5.6 MHz / 6.2 MHz 72 bits
  • Compatible digital formats: PCM 24 bits up to 384 kHz, DXD, DSD x 2
  • Frequency response: 10Hz to 110 kHz (+0.1 / -3 dB)
  • Crosstalk: > 100 dB
  • Interchannel phase:  <0.5° at 20 kHz
  • Noise level:  -128 dBr (linear)
  • Distortion: < 0.02% (at -20dB FS)
  • Inputs: 2 x S/DIF, 1 AES/EBU, 1 Optical, 1 Audio USB (mode 2)
  • Analog outputs: 1 stereo on RCA connectors, 1 stereo XLR (Unbalanced)
  • Power consumption: On 15 W, Standby <1W
  • Dimensions: 280 x 350 x 76mm (12 x 13.7 x 3 inches)
  • Weight: 3.8 Kg (6.6 lbs)

Nagra Classic Preamp

Nagra’s engineers have taken as a starting point the critically acclaimed Nagra JAZZ preamplifier and, incorporating elements of the design philosophy that characterises the HD DAC, have created a preamplifier that delivers even more performance and musicality for an exceptional listening experience.

The CLASSIC PREAMP is the ideal partner for the Nagra CLASSIC AMP and CLASSIC DAC.

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  • Frequency response: 10 Hz – 50 kHz (+0 / -0.5 dB)
  • Dynamic range:  >125 dB (Gain at +12 dB)
  • Crosstalk: >85 dB
  • Total harmonic distortion (THD):  <0.01% at 1 kHz out, no load
  • Input impedance: 50 KΩ
  • Output impedance: 6 Ω
  • Vacuum tubes: 2x 12AX7 / ECC83, 1x 12AT7 / ECC81
  • Inputs: XLR, RCA 1 to 4
  • Outputs: 2 x XLR, 1 x RCA
  • Power consumption: 12 V 1040 mA, <10 mW in standby
  • Dimensions: 379 x 277 x 76mm (12.2 x 10 x 3 inches)
  • Weight: 4.9 Kg (10.8 lbs)

Nagra Classic Amp

The Nagra CLASSIC AMP was designed for extremely high-quality installations, which require high power while maintaining a perfect musical delivery of the Watts.

The unit operates in pure class A over a very large power band and beyond in class AB. Each of the output stages is based on tandem MOSFET transistors of exceptional characteristics.

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“Nagra's Classic Amp is a sterling example for how to hone raw resolution without presenting it in an unnatural fashion… 
…the Classic Amp wasn't a scaled-up MSA but a scaled-down HD Amp. That was pure fact, not fiction. This is a very ambitious rather big amp which is simply presented in a smallish casing to deceive with classy understatement…”
6 Moons


  • Power: 100 W RMS per channel into 8 Ω
  • Sensitivity: 1 V or 2 V RMS
  • Bandwidth: 10 Hz to 80 KHz, +0/-3 dB
  • Crosstalk: >70 dB
  • Signal-to-noise ratio: Typically 110 dB ASA “A” weighted
  • THD+N: < 0.05%
  • Input impedance: >100 KΩ
  • Power consumption: 400 W max, less than 1 W in standby and Auto mode
  • Weight: 18 Kg (39 lb 10 oz)
  • Size: 277 x 395 x 174 mm (11 x 15½ x 7″)

Nagra Classic Int

Based on the acclaimed design of the Nagra CLASSIC AMP, this is a powerful integrated amplifier capable of driving the great majority of speakers on the market whilst delivering exceptional musicality.

The power amp section is identical to that of the esteemed Nagra CLASSIC AMP, whereas the preamplifier section is an entirely original design by Nagra R&D that sets a new standard for an integrated amplifier.

The Nagra CLASSIC INT offers a compact and simple set-up without the performance compromises that have sometimes been associated with integrated amplifiers.

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  • Power: 100 W rms into 8Ω
  • Bandwidth: <10 Hz to 80 KHz, +0 / -3 dB
  • Crosstalk: >70 dB
  • Signal to noise ratio: Typically 110 dB ASA “A” weighted
  • THD+N: <0.05% at 100 W
  • Input impedance: >100 KΩ
  • Output impedance: 60 mΩ
  • Inputs: XLR (balanced), RCA 1 to 4 (unbalanced)
  • Power consumption: 400 W max, < 1 W in standby and auto
  • Outputs: Cardas CPBP (rhodium terminals) banana plugs
  • Dimensions: 277 x 395 x 174mm (11 x 15.5 x 7 inches)
  • Weight: 18 Kg (40 lbs)

Nagra CDT CD transport

Nagra produces several CD players with different features, but the CDT is a “transport only” version allowing the use of an external D/A convertor such as the HD DAC.

The front-loading mechanism is designed with aviation technology giving an excellent stability to the transport and reliability second-to-none.

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  • Compatibility: CD Audio, CD-R, CD-RW
  • Jitter: negligible (< 200 ps)
  • Digital outputs: AES, S/PDIF, Toslink
  • Power consumption: 6W constant, 12W maximum
  • Dimensions: 27.7 x 254 x 76 mm (12.2 x 10 x 3 inches)
  • Weight: 4 kg (8.8 lbs)

Nagra VPS phono stage

The VPS dual input valve phono preamplifier is based on the design principles of the world acclaimed PL-P phono stage.

The listener benefits from the true sound of their vinyl record library using the outstanding performance of Nagra tube electronics.

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  • Frequency response: 20 Hz to 30 kHz (+1/0 dB)
  • Harmonic distortion: > 0.15% (Hi output position)
  • Signal-to-noise ratio: > 77 dB (ASA A)
  • Channel separation: Typically 60 dB
  • Transformer gain: (MC input) 11 dB
  • Tube stage gain: 34 dB (ECC 81 and ECC83 tubes)
  • Transistor stage gain: 15 dB (can be deactivated)
  • Correction norms: Selectable RIAA 1953 or IEC 1976
  • Power consumption: 12.6 W, 1.6 W stand-by mode
  • Weight: 3.3 kg (7.3 lbs)
  • Dimension: 27.7 x 254 x 76 mm (12.2 x 10 x 3 inches)

Other Nagra equipment

Nagra produces a wide range of other components and we invite you to visit for more information. Direct links to some components are below: