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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

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