Alto a MICtube Посібник користувача - Сторінка 6

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Alto a MICtube Посібник користувача

1. INTRODUCTION

Thank you very much for expressing your confidence in
our
MICtube Stereo Tube Preamplifier. With the
extremely musical and flexible Stereo Microphone Preamplifier which is based on many
years of experience and findings in amplifier technology and is used through the world
in renowned studios, sound reinforcement systems as well as in broadcast and televi-
sion studios. The
in terms of operation, sound, specifications and workmanship.
The
LTO
MICtube is a half rack space unit, the heart of the
mely low-noise microphone pre-amp circuit that uses discrete components just like 12A
X7WA Tubes and TL074CD J-FET Quad Operational Amplifier IC to produce a highly
transparent sound! The switchable +48V Phantom Power supply allows you to operate
your condenser microphone more conveniently.

2. FEATURE LIST :

Half rack space
Robust and Compact design
Dual Servo Microphone Preamplifier
20dB pad
+48V phantom power
Phase Reverse
8-Digit Output Level meter
12AX7WA Low Noise Tubes
Output section includes XLR and 1/4" connectors for driving two separate signal
paths
1/4", high Z input on the front panel for instrument preamplification
High quality and fidelity components
SMD Technology for top performance
Manufactured under QS9000, VDA6.1 certified management system

3. CONTROL ELEMENTS

3.1 The Front Panel:

LTO
MIC INPUT1
LTO
MICtube meets highest and no-compromise requirements
MICtube
TM
R
STEREO TUBE PREAMP
MIC INPUT2
(9)
(10)
(1)
(2)
OUTPUT / CHANNEL1
PWR
-24 -18
-12 -6
0
+6 +12
+18
PHANTOM
+48V
0
+30
0
+40
INPUT GAIN
DRIVE
(4)
(11)
(12)
5
LTO products by purchasing
MICtube you have acquired an
MICtube is an extre-
(5)
(3)
OUTPUT / CHANNEL2
-24 -18
-12
-6
0
+6
+12
+18
PHASE
PAD
0
+30
0
+40
INPUT GAIN
DRIVE
(7)
(13)
(14)
(6)
PHASE
PAD
(8)