Behringer T-47 Manuale utente
User Manual
TUBE CONDENSER
MICROPHONE T-47
Vacuum Tube Condenser Microphone
2TUBE CONDENSER MICROPHONE T-47 User Manual
Important Safety
Instructions
Terminals marked with this
symbol carry electrical current
of sucient magnitude to
constitute risk of electric shock. Use only
high-quality commercially-available speaker
cables with ¼" TS plugs pre-installed.
All other installation or modication should
be performed only by qualied personnel.
This symbol, wherever it
appears, alerts you to the
presence of uninsulated
dangerous voltage inside the enclosure
- voltage that may be sucient to constitute
a risk of shock.
This symbol, wherever it
appears, alerts you to important
operating and maintenance
instructions in the accompanying literature.
Please read the manual.
Always keep in mind that the
contained tube is a highly
sensitive component.
Avoid impact and other mechanical
interferences. BEHRINGER assumes no liability
for any damage caused by the user.
If possible, keep a spare tube of the same type
(12AX7) at hand.
TheT-47 is extremely sensitive to
moisture. Both the microphone
and the PSU-T power supply
should not be used near water (for example,
near a bathtub, washing machine, swimming
pool,etc.).When doing voice recordings,
always use the enclosed windscreen to
protect the capsule from moisture.
To reduce the risk of electric
shock, do not remove the top
cover (or the rear section).
No user serviceable parts inside.
Do not defeat the safety purpose of
the polarized or grounding-type plug.
You should only connect the T-47 to the
provided power supply.
After each use, wipe the
microphone down with a
soft cloth and place it back
into its protective casing (included with
the microphone).
Limited Warranty
Please register your new BEHRINGER
equipment right after your purchase by
visiting behringer.com and read the terms
and conditions of our warranty carefully.
3TUBE CONDENSER MICROPHONE T-47 User Manual
At a Glance1.
Mount the microphone(1)
Connect the microphoneto the PSU-T(2)
Connect the PSU-T to the mixer(3)
Connect the mains cable(4)
Switch on the PSU-T(5)
Allow the tube to warm up(6)
And you're good to go!
(1)
(2) (3)
(4)(5)
(6)
4TUBE CONDENSER MICROPHONE T-47 User Manual
Control elements and connections2.
Microphone2.1
You can tell that the T-47 is switched on when the small window glows red.
There is an XLR connector on the bottom end of the microphone. Connect it to
the power supply (PSU-T).
Power supply2.2
The included BEHRINGER PSU-T not only provides the supply voltage for the
tube preamplier but also employs a circuit that reduces the low frequency
response. This is activated on the front panel with the LOW CUT switch.
The POWER switch on the unit's rear panel turns on the power supply.
Here you also nd the following:
a seven-pin XLR connector to connect to the T-47 (• MIC),
a three-pin XLR connector to transmit the signal (• OUTPUT),
a switch to suppress signal humming noise (• GND LIFT),
an• IEC power receptacle
and a fuse holder.•
Use the provided cable to connect the T‑47 to the◊
power supply unit!
5TUBE CONDENSER MICROPHONE T-47 User Manual
Set-up3.
Mounting the microphone
The microphone comes with an elastic shockmount. The advantage to a
conventional microphone stand mount is that mechanically induced noise is
virtually absorbed.
To mount the microphone, attach the shockmount to the microphone stand
and, from above, slide the T-47 into the shockmount.
Caution!
The provided shockmount is not intended to be used for◊
suspending the T‑47!
Alternatively, you can also mount the T-47 on a microphone stand mount.
There is a screw adapter on the bottom side of the microphone.
Warming up
The T-47 can basically be used a couple of seconds after the PSU-T has been
switched on. However, the typical sound of the the T-47 only unfolds a while
after activating the power supply. We recommend allowing the microphone
to “warm up” 30 minutes before use.
6TUBE CONDENSER MICROPHONE T-47 User Manual
Level setting / adjusting the basic sound
Adjust the gain control in the microphone channel of your mixing console so
that the peak LED lights up only occasionally or never at all. The EQ controls
in the microphone channel should be set to mid-travel position to start with;
low-cut lter and signal level attenuation should be switched o. To get the
sound you want, try changing the mic position relative to the sound source
or even move the microphone around in the recording room of your studio.
Adjusting the angle at which walls face the sound source can also be helpful.
Only when the desired basic sound has been achieved, you should start to use
equalizers and signal processors, if any at all. Remember: less is often more!
Directivity4.
Your T-47 features a capsule with a cardioid pickup pattern and is ideal
for recording individual instruments, vocals and speech. Cardioid pickup
pattern means that the sound produced by sources located in front of the
mic is strongly picked up. It is often used in recording situations, since this
directivity pattern tones down the pickup of sounds located to the back
of the microphone.
To place the microphone correctly, the BEHRINGER logo needs to face the
sound source being recorded.
7TUBE CONDENSER MICROPHONE T-47 User Manual
Audio connection5.
To transmit a preamplied signal (OUTPUT connector on the PSU-T),
use a balanced microphone cable with the following pin assignment:
pin 1 = shielding; pin 2 = +; pin 3 = -. Since your PSU-T features gold-plated
contact points, we recommend that you use only microphone cables with
gold-plated connectors.
output
For unbalanced use, pin 1 and pin 3 have to be bridged
1 = ground/shield
2 = hot (+ve)
3 = cold (-ve)
input
12
3
12
3
Balanced use with XLR connectors
Fig. 5.1: XLR connectors
8TUBE CONDENSER MICROPHONE T-47 User Manual
Specications6.
Transducer type condenser, 16 mm (0.63'')
Polar pattern cardioid
Preamplier vacuum tube (12AX7)
Output (PSU-T) gold-plated balanced XLR connector
Open circuit sensitivity -40 dBV (0 dBV = 1 V/Pa)
Frequency response 20 Hz to 20 kHz
Level attenuation -
Low-cut lter 12 dB/oct. @ 100 Hz (switchable)
Max. SPL (3 % THD @ 1 kHz) 130 dB
Dynamic range 110 dB
Nominal impedance approx. 200 Ω
Load impedance >1 kΩ
Supply voltage adapter BEHRINGER PSU-T
Mains voltage / Fuse
100-120 V~, 50/60 Hz T 250 mA H 250 V
220-230 V~, 50/60 Hz T 125 mA H 250 V
Mains connector standard IEC receptacle
Physical/Weight
Dimensions Ø shaft: 2.4", length: 8.5"
Ø shaft: 62 mm, length: 215 mm
Weight (net) approx. 1 lbs/approx. 0.47 kg
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