darTZeel NHB-18NS

The most advanced preamplifier ever designed.

With its groundbreaking signal path technology, battery power supply, and unrivaled 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.

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.

Visible differences

darTZeel's NHB series represents the pinnacle of musical reproduction. Its products are designed and built like works of art.

Peerless workmanship

For the NHB series, each aluminum component is milled from a solid block, hand-finished, brushed, and anodized.

This underlines the uniqueness and exclusivity of the NHB series.

Specifications

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 from 1Hz to 1 MHz

RCA line > 30k ohms, from 5 Hz to 50 kHz

XLR Line > 15k ohms, from 5 Hz to 50 kHz

Phono MC: User selects 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