AC 23 & AC 23B
ACTIVE CROSSOVERS
Data Sheet-2
Parameter
Specification
Limit
Units
Conditions/Comments
Crossover: Alignment
Linkwitz-Riley
Proprietary 4th-order state-variable
..........Slopes
24 dB/Octave
..........Range (3-way)
70-1 kHz Low to Mid
41-detent continuously variable pot
..........Range (3-way)
190-7 kHz Mid to High
as above
..........Range (2-way)
190-7 kHz Low to High
as above
Time Delay Adjust Range
Off to +2
5%
ms
Low & Mid Outputs only
Inputs: Impedance
20k
1
ohms
..........Maximum Level
+21
1
dBu
..........Gain Range
Off to +6
-0/+4
dB
AC 23
Inputs: Typ
e
Active Balanced/Unbalanced
..........Connectors:
AC 23
¼" TRS
AC 23B
Inputs: Type
:
Active Balanced
..........Connectors:
AC 23B
XLR
Pin 2 hot per AES standards
AC 23
Outputs: Type
Floating Active Unbalanced
..........Connectors
¼" TS
..........Impedance
100
1%
ohms
..........Maximum Level
+20
1
dBu
600 ohms or greater
..........Gain Range
Off to +6
-0/+4
dB
AC 23B
Outputs: Type
Active Balanced
..........Connectors
XLR
Pin 2 hot per AES standards
..........Impedance
200
1%
ohms
..........Maximum Level
+20
1
dBu
600 ohms or greater
..........Gain Range
Off to +12
-0/+4
dB
Band Muting Switches
Yes
Low & Mid Outputs only
RFI Filters
Yes
Infrasonic Filter
20 Hz, 18 dB/Oct, Butterworth
3%
Hz
Ultrasonic Filter
40 kHz, 18 dB/Oct, Bessel
3%
Hz
Linear phase
Frequency Response
20-40 kHz
+0/-3
dB
THD+Noise
0.02
.01
%
+4 dBu, 20-20 kHz
IM Distortion (SMPTE)
0.02
.01
%
60 Hz / 7 kHz, 4:1, +4 dBu
Signal-to-Noise Ratio
92
2
dB
re +4 dBu, 20 kHz noise bandwidth
Unit: Agency Listing
..........120 VAC model
Class 2 Equipment
National Electrical Code
UL & CSA
Class 2
..........230 VAC model
VDE, SELV
Safety Extra Low Voltage
CE-EMC
EMC directive 89/336/EEC
CE-Safety
Exempt per Art. 1, LVD 73/23/EEC
Power Supply: Agency Listing
..........120 VAC model
UL
File no. E88261
CSA
File no. LR58948
..........230 VAC model
CE-EMC
EMC directive 89/336/EEC
CE-Safety
LV directive 73/23/EEC
..........100 VAC model
Built to JIS
Japan only
Power Supply Requirment
18 VAC w/center tap
0.1
Vrms
Model RS 1
Maximum Current
750
mA
RMS Current from Remote Supply
Unit: Construction
All Steel
..........Size
1.75" H x 19" W x 5.3" D (1U)
(4.4 cm x 48.3 cm x 13.3 cm)
..........Weight
5 lb
(2.3 kg)
Shipping: Size
4.25" x 20.3" x 13.75"
(11.5 cm x 52 cm x 35 cm)
..........Weight
9 lb
(4.1 kg)
Note: 0 dBu=0.775 Vrms
