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SET DARTZEEL NHB-18NS & DARTZEEL NHB-108 DEMO

69 999 

Préamplificateur 1 MC, 4 BNC/RCA, 1 XLR

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DEMO MODEL IN PERFECT CONDITION WITH BOX AND ACCESSORIES

Dartzeel NHB-18NS Preamplifier

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.

Specifications : Dartzeel NHB-18NS

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 > 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

Dartzeel NHB-108 Power Amplifier

The NHB-108 has earned legendary status among critics and music lovers alike. Its immediate success and multiple awards helped to quickly establish darTZeel in the premium market.

Regularly updated over a number of years and now reinvented in a «model two» version, this ultra-rapid, dual-mono amplifier is the high-end offering in the NHB series.

With power output of 150 watts per channel and its circuits patented worldwide that prevent global negative feedback, the NHB-108 model two connects effortlessly with any type of speaker, unleashing its full magic and capability.

Specifications : Dartzeel NHB-108

Nominal Output Power
150 watts RMS @ 8 ohms
225 watts RMS @ 4 ohms
Power Stage Gain
26 dB @ 8 ohms
Analog Input Impedances
BNC Zeel 50 ohms, 1 Hz to 1 MHz
RCA line > 30 kohms, 5Hz to 100kHz
XLR > 30 kohms
Speaker Output Impedance
< 0.33 ohms from 20 Hz to 20 kHz (measured under 8 ohms)
Frequency Response
0.8 Hz – 600 kHz, +0, -3 dB
Rise Time
< 0.8 µs
Slew Rate
> 88 V/µs, peak-peak
DC Output Voltage
± 50 mV
Total Harmonic Distortion (THD)
< 1 % from 7 Hz to 77 kHz within the output dynamic range
Temporal Distortion
None, at any level and load, as specified above
Crosstalk
< – 90 dB from 20Hz to 20kHz
Signal to noise ratio
> 112 dB (A) @ nominal power
Power consumption
50 watts @ idle, 900 watts @ maximum output power
Size in mm
440 x 350 x 170 (WxDxH). Total deep with handles : 415mm
Size in inches
17.32 x 13.78 x 6.7 (WxDxH). Total deep with handles : 16.4 inches
Net weight
30 kg

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Options

Avec deux entrées ph, Avec deux entrées XLR, Sans phono et deux XLR, Standard