AF225A

DUAL VCA UNIT

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Dual VCA
It is most suitable as audio interface for cough
Remote fader
Remote cut, remote on function
Variable reference
Low noise, high-quality sound
19 inches 1U size

AF225A is 2ch VCA unit.
The remote control of the audio level of high quality allows it by excellent circuit configuration and component.
It integrated AF225 as the VCA fader with AF125 which had been used as cough interface and was rebeared as AF225A.

“Input and output”
It implements audio input and output of XLR and Dsub25-F connecter in conformity with AF125 and the Dsub15-F connector which are compatible with AF225.
The input and output level is set to 1 to 1 in factory, but can change it in the range of +/-6dB in a trim of the front panel.
In addition, the standard audio input and output reference level is +4dBu, but can change it when it has you specify it at the time of an order.

“AF125 mode”
It allows the cough control of 2 channels with 1 cough if it connects in parallel in control port because it implements 2ch.
When it uses it in combination with cough unit AF124, it works as cut interface of the ON/OFF action.
It is an ON/OFF action, but there is not the generation of the click noise in the VCA because it Fade-ins and fade-out in a short time.
Additionally, it is not necessary to prepare a power supply extra because it is possible for the power supply supply for AF124.
Additionally, forced ON or forced OFF is possible regardless of control with the cough, too.

“AF225 mode”
When it controls a level in external fader, the CV circuit (the control voltage) of difference input resisting a noise promises a certain action for even long distances more than 20m.
Additionally, it implements the cut input that was photocoupler isolation every each channel.

“Others”
AF225A allows the systems construction that combined CV fader unit FU338 or cough unit AF124.

■ Specifications
•INPUTS: 2, BALANCED 20kΩ, ref=+4dBu, max=+24dBu
•INPUT CONNECTOR: XLR3-F
•OUTPUTS: 2, BALANCED, 50Ω, ref=+4dBu, max=+24dBu
•OUTPUT CONNECTOR: XLR3-M
•CONTROL-1 (AF125): Dsub25-F #4-40
•CONTROL-2 (AF225): Dsub15-F #4-40
•CONTROL RANGE: 0dB~-100dB (0V~+5V)
•THD: < 0.01% at 1kHz
•FREQUENCY RESPONSE: 20~20kHz ±0.1dB
•MAINS: 100VAC 50/60Hz, MAX 15W
•DIMENSIONS: 482Wx44Hx303D 4kg

    “CONTROL-1 (AF125)” D25-F
 1 +15V SUPPLY FOR CH1 AF125 MODE  14 FU1_+V AF125 MODE
 2 FU1 FU1 HI ACTIVE ON            15 FU1_ FU1 LO ACTIVE ON
 3 +15V SUPPLY FOR CH2 AF125 MODE  16 FU2_+V FU2_+V
 4 FU2 FU2 HI ACTIVE ON            17 FU2_ FU2 LO ACTIVE ON
 5 FORCE_ON-1 FORCE ON CH1         18 FORCE_ON-2 FORCE ON CH2
 6 FORCE_CUT-1 FORCE CUT CH1       19 FORCE_CUT-2 FORCE CUT CH2
 7                                 20 
 8 +15V SUPPLY MAX=100mA           21 +15V SUPPLY MAX=100mA
 9 0V                              22 0V
10 -15V SUPPLY MAX=100mA           23 -15V SUPPLY MAX=100mA
11                                 24
12                                 25
13
       "CONTROL-2 (AF225)" D15-F
 1 CONTROL VOLTAGE CH1 +       9 CONTROL VOLTAGE CH1 - 
 2 CONTROL VOLTAGE CH1 COMMON  10 CV2+ CONTROL VOLTAGE CH2 + 
 3 CONTROL VOLTAGE CH2 -       11 ND CONTROL VOLTAGE CH2 COMMON
 4 CUT COMMAND CH1 +           12 CUT COMMAND CH1 -
 5 CUT COMMAND CH2 +           13 CUT COMMAND CH2 -
 6 EXT FADER REF+5V            14 GND
 7 +15V SUPPLY MAX=100mA       15 0V SUPPLY COMMON
 8 -15V SUPPLY MAX=100mA

• Order Information

order number description approx. price(US$)
AF225A trim, remote, 19” 1U $2,709
FU338 control voltage output fader $1,800
AF124 Cough box, touch, fader, HP, EP $1,800
AF124T Cough Unit, T-Bar, HP, EP $2,709

AU

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