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Summary of Contents for darTZeel NHB-108 model one
- Page 1 NHB-108 model one Version B User Manual...
- Page 2 User Manual, version B 1.0 Page 2 of 35 darTZeel NHB-108 model one...
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Page 3: Table Of Contents
Table of contents First Section, User Manual Introduction .......................5 Brief description ....................5 The NHB-108 in details..................6 3.1. Front Panel ............................. 6 3.2. Rear Panel ............................6 3.3. Top View ............................7 Who am I? ......................8 Connecting and setup..................8 5.1. Important prior notice ........................8 5.2. - Page 4 Technical Section T1. Introduction .....................18 T2. Genesis of NHB-108 ..................18 T3. Criteria......................19 T4. Structural aspects ...................19 T4.1. The case modules ......................... 19 T4.2. Divide to conquer......................... 20 T4.3. Eliminating vibrations........................20 T4.4. Everything is transparent..................20 T4.5. TIO, Totally Identified Object ..................... 21 T5.
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Page 5: Introduction
The result is what you can see, touch and hear… 1. Introduction right now. Congratulations for purchasing a darTZeel NHB- One of the secrets of the darTZeel NHB-108 model 108 model one. one can be found in two words: Our machines are designed and hand built for very long lasting use and musical pleasure. -
Page 6: The Nhb-108 In Details
3. The NHB-108 in details 3.1. FRONT PANEL 1. Identification Plate 2. The Eyes 3. The Power Nose 3.2. REAR PANEL 50Ω BNC Zeel Inputs RCA Inputs Speakers Terminals XLR Inputs IEC Power Socket Input Impedance Selector User Manual, version B 1.0... -
Page 7: Top View
3.3. TOP VIEW 10. DC Offset Trimmer 11. Jumpers 12. Speaker Impedance Switch 13. Fuse Holder 14. Operating Voltage Selector User Manual, version B 1.0 Page 7 of 35 darTZeel NHB-108 model one... -
Page 8: Who Am I
The serial number can be read as follows: If you do not respect this, the darTZeel NHB-108 model one may stop playing if it becomes too hot. TZ-XY1081.dcbZ The heat sinks shutdown point is at around 70°C,... -
Page 9: Choice Of The Input
No need then to leave your machine powered ON If you do not own a darTZeel NHB-18NS pream- all the time, except of course if you like paying plifier yet, we suggest you use either RCA (5) or bigger electricity bills…... -
Page 10: User Parameters
(upper right for the 6.3. User parameters right channel), The darTZeel NHB-108 model one must be cor- rectly set, accordingly to the loudspeakers' nominal impedance. Your machine is already factory set for speakers having nominal impedance from 3Ω to 8Ω, as is usually the case. -
Page 11: Jumper Settings
AC mains contact us directly: troubles@dartzeel.com Hereunder is the procedure: In order to change a fuse, power off your NHB-108 Fig.3 – Jumpers model one by pressing the Power Nose (3) button. !!! UNPLUG THE AC CORD FROM MAINS, and... - Page 12 6.3. "User parameters". Connect again all your cables, without omitting the loudspeakers, and power ON your NHB-108 model one. Now you are ready to enjoy some more good mu- sic, compensating all that tiring physical effort you have just put in…...
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Page 13: Dc Voltage Drift
This tuning procedure is described at the very end directly involved in the everyday use of your ampli- of the technical section. fier. However, the completely new concept of the NHB-108 7.3. Cleaning and upkeep model one calls for certain precautions. -
Page 14: Troubleshooting
65°F to 90°F (18°C to 32°C). If they do, the amplifier needs some adjustment. While setting up your NHB-108 model one, it is possible that you may not obtain the desired results. In all cases it is important to know the working... -
Page 15: Sound Too Quiet
Fuses can blow if the nominal impedance of your In such a situation, we sadly deplore having no real speakers is less than 3 Ω and your NHB-108 model cure. one has not been set up to drive such a load. -
Page 16: Conditions Of Use
We also invite you to visit our website at www.dartzeel.com We wish you countless hours of musical delight with your NHB-108 model one and do hope that you will have no further need to read this manual except for the pleasure…... -
Page 17: Technical Data
Size in mm 440 x 335 x 170 (WxDxH). Total deep with handles: 415 mm. Net weight 30 kg. darTZeel NHB-108 model one amplifiers are made to last forever by darTZeel Audio SA in Geneva, Switzerland. darTZeel Audio SA www.dartzeel.com 2, chemin Louis-Hubert CH-1213 Petit-Lancy / Genève... -
Page 18: Technical Section
NHB-108 model one led to what one could without any other consideration, especially the price call a truly exceptional machine. -
Page 19: T3. Criteria
Then It would be all too easy to compare the darTZeel we asked ourselves what is the point of producing NHB-108 model one and wristwatches, both be- nice looking gear if the sonics bring nothing new ing made in Switzerland. -
Page 20: T4.2. Divide To Conquer
In the case where you soft start circuitry are located on the lower level, would want to use 2, 3, or even 4 stacked darTZeel while the suspended toroidal transformers are fixed NHB-108 model one units, we can make on spe- on the 6mm thick, upper decks. -
Page 21: T4.5. Tio, Totally Identified Object
Your name is engraved in gold letters, thus amal- Now, let’s be a bit optimistic and suppose that the gamating the destiny of the darTZeel NHB-108 speakers we will use are truly perfect, without a model one with your future unforgettable musical single trace of any distortion. -
Page 22: T5.1.2. Inter Modulation Distortion
1,500, 3,000, 4,500 Hz, but also 3,500, and/or IMD. 7,000 and 10,500 Hz will be perceived. Once again, At darTZeel, we prefer to call it Temporal Distor- tion, or TD, because this is obviously what it actu- User Manual, version B 1.0... -
Page 23: T5.2. What Application Field
"perfect sound for ever" road. Its name is "Jitter", and it is, more scientifi- "It's because the NHB-108 has high THD and IMD cally speaking, an "uncertainty of chronometer values", would say our well-meaning detractors. -
Page 24: T5.2.2. Fets
FETs, but their internal structure may vary. less superfluous correction circuits. FETs are being used more and more, for several In the NHB-108 model one, the audio signal trav- reasons, including the most obvious one: els through only 6 transistors, from input to output,... -
Page 25: T5.3.2. Dartzeel Schematics
Ce système élimine le besoin The NHB-108 model one does not use any "ex- d’une régulation thermique. En effet, lorsque les otic" or "esoteric" component. Each element was valeurs initiales ont été... -
Page 26: T5.4. Symmetrically Balanced
As often as not there’s no option as regards bal- not balanced? That is the question! anced inputs: in fact there’s nothing else! For the darTZeel NHB-108 model one, our ap- T5.4.3. And into the air… proach has been almost the opposite. To minimize... -
Page 27: T5.4.4. Via The Dartzeel
To our knowl- to link their remote consoles to the NHB-108 model edge, there is no balanced crossover in the market! one, without having to use poor quality Balun-DI Has any manufacturer already told you that there is devices. -
Page 28: T5.5. Dart To Zeel 50Ω
0.5%, a truly demanding task. Professional consoles capable So the NHB-108 model one is fitted with such of such results are truly high-end by their 6+ figures inputs, here called "Zeel 50Ω", while the darTZeel price. -
Page 29: T6. Onboard Safety
1,400 amperes. They cannot be Purity. considered as being "cheap" parts. But we did not call this part of the NHB-108 model one the "protection circuit", by far preferring "su- T6.1.1. Crowbar activation pervision system", or "monitoring circuit", as you prefer. -
Page 30: T6.2. Supervision System
With some experience, you will be able to use them as a ther- Purity. mometer. Sorry, this is a joke. As you might have guessed, in the NHB-108 model one we have used a somewhat different T7. Power supplies approach. -
Page 31: T7.2. Voltage Or Current
For purity reasons invoked earlier, the output stages to. It is this same signal that will deliver the energy of darTZeel NHB-108 model one only have a supply to your loudspeakers, which in turn will single bipolar pair of output transistors. -
Page 32: T7.3. Received Idea
Music is thus reproduced with unprecedented ease, We could say that the darTZeel NHB-108 model purity and fidelity, simply impossible with more one offers an outstanding temporal linearity, allow- complex designs. -
Page 33: T9.2. Long Term Availability
In continuous round the clock domestic use – but is this still domestic use? – provided you respect the To own a darTZeel NHB-108 model one must location advice mentioned in the first section of this not only give you musical pleasure. -
Page 34: T10. The Next Dartzeel
One of our very first customers described the model one. In the worst case, "perishable" stock darTZeel NHB-108 model one in such a way. We will be renewed accordingly in order to offer have to admit that we fell in love with this descrip- maximum availability at brand new specifications. -
Page 35: T12. Special Adjustments
The 2 suction cups supplied with the NHB-108 T12. Special adjustments model one. Please do not forget to slightly wet them, to get firm vacuum on the glass. A No. 0 flat blade screwdriver for adjusting the T12.1. Output DC voltage drift 12-turn trimmer;...
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