NHB-18NS

The heart and soul of a system that inspires.

The most advanced preamplifier ever designed.

With its groundbreaking signal path technology, battery power supply and unrivalled phono stages, the NHB-18NS is still the benchmark for preamplifiers.

The NHB-18NS is peerless in terms of clarity and musicality. Designed to control NHB-series power amplifiers, it offers state-of-the-art preamplification and control.

50-ohm darT-to-Zeel connection cables complete this exquisite offering.

Simple and efficient

Machined from a solid block and held comfortably in your hand, the NHB-18NS remote control provides access to its key functional features.

Technical data

Line Gain
Up to + 11 dB
Phono Gain
54 to 72 dB (up to 83 dB gain at output)
Analog Input Impedances
Zeel BNC 50 ohms
RCA line > 30 kohms, from 5 Hz to 50 kHz
XLR Line > 15 kohms, from 5 Hz to 50 kHz
Phono MC : User select from 43 ohms up to 47K ohms
Line Output impedances
RCA = 75 ohms, darT BNC = 50 ohms, XLR < 600 ohms, REC OUT < 150 ohms
Frequency Response
5 Hz - 500 kHz, +0, -1 dB
Rise Time
< 0.5 µs
Slew Rate
> 24 V/µs, peak-peak
Total Harmonic Distortion (THD)
< 1 % from 10 Hz to 100 kHz within the output dynamic range
Temporal Distortion
None, at any level and load, as specified above
Crosstalk
< - 80 dB from 20Hz to 20kHz
Signal to noise ratio
> 92 dB (A), Line; > 70dB (A), Phono w/factory settings
Power consumption
7 - 77 watts depending on working conditions
Size in mm
440 x 335 x 170 (WxDxH). Total deep with handles : 415mm
Size in inches
17.32 x 13.2 x 6.7 (WxDxH). Total deep with handles : 16.4 inches
Net weight
24 kg, power supply 3 kg, total 27 kg
Fuse ratings
115 volts: 1.0A (T) or slow blow
230 volts: 0.5A (T) or slow blow

Inside view

darTZeel has always developed the most rapid audio circuits.

The NHB-18NS's unique circuit board layout allows each optical input to be activated separately.

The absence of global negative feedback ensures an ideal and uncompromising listening experience.