ALLNIC AUDIO Silver AUT-8000 Manual do Proprietário - Página 7

Procurar online ou descarregar pdf Manual do Proprietário para Transformador ALLNIC AUDIO Silver AUT-8000. ALLNIC AUDIO Silver AUT-8000 11 páginas. Step-up transformer

channels, with the right channel connector closest to the left edge of the panel (again,
when facing the rear panel and the opposite when facing the front panel).

OPERATION

Be sure you have turned the volume down or otherwise muted your preamplifier before
connecting the AUT-8000 Silver. Also, make sure all your connections are snug.
At this point, if you have not already done it, turn the impedance selector located in the
centre of the front panel to the resistance that, based on your cartridge's specifications,
is most likely to work best with it. The impedance selector controls both channels and
the resistance scale is 10K ohms, 20K ohms, 30K ohms, and 47K ohms. See Figure 2.
Next, turn the two front panel gain selection switches to the gain that you think will
work for your moving coil cartridge. See Figure 2.
Each position on the +#dB gain scale on each channel's front panel rotating selector
indicates an increase in gain and corresponds to a factor that relates to cartridge
millivolt output. The settings description below provides each +#dB setting and its
corresponding output factor increase. You should use identical gain settings for both
transformers to avoid channel imbalance.
The possible settings are:
+22dB (13 X) Gain
+26dB (20 X) Gain
+28dB (26 X) Gain
+32dB (40 X) Gain
Please see Table 1:
Impedance
Selector
Setting
10 K ohms
20 K ohms
30 K ohms
47 K ohms
Table 1
AUT-8000 Silver
Impedance Combination Table
1.
T / R
1 / 13
Gain
+22dB
59
ohms
118
ohms
177
ohms
278
ohms
1. Turn Ratio of MC Step-up Transformer and dB Gain
1 / 20
1 / 26
+26dB
+28dB
25
15
ohms
ohms
50
30
ohms
ohms
75
44
ohms
ohms
117
70
ohms
ohms
7
1 / 40
+32dB
6.3
ohms
22
ohms
33
ohms
52
ohms