Dartzeel-audio NHB-108 User Manual

darTZeel NHB-108 model one Audiophile's technical manual

darTZeel NHB-108 model one Audiophile's technical manual Page 10 of 28 Some amplifiers available on the market claim extremely low THD figures

darTZeel NHB-108 model one Audiophile's technical manual Page 11 of 28 (3 to 5% for THD) is considered as not disturbing, even not audible in a

darTZeel NHB-108 model one Audiophile's technical manual Page 12 of 28 If the THD and IMD produced by the amplifier are kept low enough, say lo

darTZeel NHB-108 model one Audiophile's technical manual Page 13 of 28 circuitry to make the best of their possi-bilities, and that means a lon

darTZeel NHB-108 model one Audiophile's technical manual Page 14 of 28 For once, we give the description in French, which is, after all, the ve

darTZeel NHB-108 model one Audiophile's technical manual Page 15 of 28 5.4. Symmetrically balanced? The following could seem contradictory som

darTZeel NHB-108 model one Audiophile's technical manual Page 16 of 28 What about radio waves? What medium do they use, in the vacuum of inter-

darTZeel NHB-108 model one Audiophile's technical manual Page 17 of 28 ended topology, and requires a higher output stage NFB to compensate. N

darTZeel NHB-108 model one Audiophile's technical manual Page 18 of 28 sion technologies use impedance-matched links. So why not audio? The gr

darTZeel NHB-108 model one Audiophile's technical manual Page 19 of 28 Generally the best solution is to insert a fuse – rather a big one of i

darTZeel NHB-108 model one Audiophile's technical manual Page 2 of 28

darTZeel NHB-108 model one Audiophile's technical manual Page 20 of 28 6.2. Supervision system 6.2.1. Current sensing Most available amplifier

darTZeel NHB-108 model one Audiophile's technical manual Page 21 of 28 7. Power supplies 7.1. From mains to loudspeakers More and more, audio

darTZeel NHB-108 model one Audiophile's technical manual Page 22 of 28 pedance, and hence the need for a greater NFB at output stage. This also

darTZeel NHB-108 model one Audiophile's technical manual Page 23 of 28 8. The sound of darTZeel It is always hard to define objectively what

darTZeel NHB-108 model one Audiophile's technical manual Page 24 of 28 Furthermore, in normal use, say if you sometime power OFF your machine,

darTZeel NHB-108 model one Audiophile's technical manual Page 25 of 28 In order to keep our word and offer full maintenance of your darTZeel NH

darTZeel NHB-108 model one Audiophile's technical manual Page 26 of 28 11. Keeping an open door Well, now we have reached the end of the Audio

darTZeel NHB-108 model one Audiophile's technical manual Page 27 of 28 12. Special adjustments 12.1. Output DC voltage drift Caution! The pro

darTZeel NHB-108 model one Audiophile's technical manual Page 28 of 28 Voltage values are those obtained in av-erage conditions. It is possible

darTZeel NHB-108 model one Audiophile's technical manual Page 3 of 28 TABLE OF CONTENTS 1. Introduction ...

darTZeel NHB-108 model one Audiophile's technical manual Page 4 of 28

darTZeel NHB-108 model one Audiophile's technical manual Page 5 of 28 darTZeel NHB-108 model one Audiophile's technical manual 1. Intro

darTZeel NHB-108 model one Audiophile's technical manual Page 6 of 28 later, new ICs allowed further investiga-tion, and we built several proto

darTZeel NHB-108 model one Audiophile's technical manual Page 7 of 28 4. Structural aspects It would be all too easy to compare the darTZeel N

darTZeel NHB-108 model one Audiophile's technical manual Page 8 of 28 frequencies, most important in terms of sound reproduction accuracy. And

darTZeel NHB-108 model one Audiophile's technical manual Page 9 of 28 5. The audio electronics Simplicity. The whole darTZeel NHB-108 model