DarTZeel NHB-18NS Preamplifier
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 DarTZeel 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 aluminium component is milled from a solid block, hand-finished, brushed and anodised.
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, 1 Hz to 1 MHz RCA line > 30 kohms, 5 Hz to 50 kHz XLR > 15 kohms, from 5 Hz to 50 kHz Phono MC: User select from 43 ohms up to 47K Ohms |
| Line Output Impedance: | RCA – 75 ohms, darT BNC – 50 ohms, XLR < 600 ohms, REC OUT < 150 ohms |
| Frequency Response: | 5Hz – 500 kHz, +0. -1 dB |
| Rise Time: | < 0.5 µs |
| Slew Rate: | > 24 V/µs, peak-peak |
| DC Output Voltage: | < ± 50 mV max |
| 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: | 430 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: | 24kg, power supply 3kg, total 27kg |
| Fuse ratings: | 115 volts: 1.0A (T) or slow blow 230 volts: 0.5A (T) or slow blow |
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