Apex Digital ADP1 Caractéristiques Techniques Rapides

SPECIFICATIONS
Attenuation Switch,
three-position
0dB, -20dB, -40dB
Frequency Range
15Hz-30kHz +/- 0dB
Inputs
50-kOhm ¼" TRS*
phone jack
600-Ohm XLR
Outputs
50-kOhm ¼" TRS
phone jack, parallel link
600-Ohm balanced XLR
Dimensions (WDH)
4.9" x 2.9" x 1.8"
125mm x 74mm x 46mm
Weight
560g, 1.23 lb
* NOTE: ¼" TRS phone jack
pin configuration [Tip = (+) 0°
/ Ring = 180° / Sleeve = (-)
Ground.
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INTRODUCTION
Congratulations on your purchase of an APEX ADP1 Passive Direct Box. This sturdy and dependable
unit allows the connection of the outputs of electronic musical instruments (or other audio sources) to
the balanced inputs of mixer consoles. Alternatively, the APEX ADP allows connection of a music
source to an instrument amplifier while simultaneously patching it to a mixer via the ADP1 D.I. Box.
FEATURES
The APEX ADP1 functions like an active direct box and includes the following features:
1. Switchable input attenuation
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• 0dB for electric guitar/bass pickups
• -20dB for line level signals, such as CD-Players and keyboards
• -40dB for speaker feeds
2 2. 50kOhm Instrument input. The APEX ADP1 matches the signal level and impedance with unity gain
without adverse effects on the source signal.
3. The 50-kOhm Parallel Link jack output enables you to connect output from the D.I. Box directly to
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power amplifiers without a separate preamplifier.
4 4. The 600-Ohm XLR output jack enables you to send a balanced signal to the mixing console.
5. A Switchable Ground Lift is provided to help eliminate hum caused by ground loops.
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APPLICATIONS
1. Electric Guitar/Bass Pick-Up Signals
The high impedance signal from a guitar or bass pick-up is translated by the APEX
ADP1 into a low impedance balanced signal required by mixing consoles.
• Suggested attenuation setting (1): 0dB
2. Keyboards - Line Level Signals
The APEX AD1P automatically balances and matches the line level outputs of modern electronic key-
boards. If you are using a multiple keyboard setup, and your keyboards are all plugged into a single
instrument amplifier, the APEX ADP1 can be used to replace individual direct boxes. Simply send the
output of the instrument amplifier to the APEX ADP1, then to the console (instead of using a separate
direct box for each keyboard).
• Suggested attenuation setting (1): -20dB (line level) or -40dB (amp level)
3. DJ Console Output Signals
DJ Mixers often supply only an unbalanced -10dB signal. The APEX ADP1 converts this signal to a bal-
anced line level before it reaches the console, while providing a convenient method of connector transi-
tion with long cable run capability
• Suggested attenuation setting (1): 0dB or -20dB
4. Speaker Level Signals
The ADP's capability of accepting speaker level input from a power amplifier's output allows post-ampli-
fier, post EQ/effects signals to be fed directly to the console. In this manner a particular effect or amplifi-
er sound can be sent directly to the mix.
• Suggested attenuation setting (1): -40dB
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