Extron electronics ASA 204 Manuale utente

www.extron.com

Pricing and speciﬁcations may change without notice.

USA West

+1.714.491.1500 / +800.633.9876

+1.714.491.1517 FAX

USA East

+1.919.863.1794 / +800.633.9876

+1.919.863.1797 FAX

China

+86.21.3760.1568 / +400.883.1568

+86.21.3760.1566 FAX

Japan

+81.3.3511.7655

+81.3.3511.7656 FAX

Europe

+31.33.453.4040 / +800.3987.6673

+31.33.453.4050 FAX

Dubai

+971.4.2991800

+971.4.2991880 FAX

Asia

+65.6383.4400 / +800.7339.8766

+65.6383.4664 FAX

www.extron.com

Pricing and speciﬁcations may change without notice.

USA West

+1.714.491.1500 / +800.633.9876

+1.714.491.1517 FAX

USA East

+1.919.863.1794 / +800.633.9876

+1.919.863.1797 FAX

China

+86.21.3760.1568 / +400.883.1568

+86.21.3760.1566 FAX

Japan

+81.3.3511.7655

+81.3.3511.7656 FAX

Europe

+31.33.453.4040 / +800.3987.6673

+31.33.453.4050 FAX

Dubai

+971.4.2991800

+971.4.2991880 FAX

Asia

+65.6383.4400 / +800.7339.8766

+65.6383.4664 FAX

Continued

signAl Processors

ASA 304

Quad Active ASA - Audio Summing Amplifier with Captive

Screw Inputs

unique feAtures

•Inputs: Captive screw connectors

ASA 204

Quad Active ASA - Audio Summing Amplifier with RCA Inputs

unique feAtures

•Inputs: Female RCA connectors

common feAtures

• Four, independent active audio summing ampliﬁers in a single enclosure

• Converts stereo audio to balanced or unbalanced mono audio

• Mono outputs on captive screw connectors

• ± 6 dB output gain switch

• Rack-mountable 1U, quarter rack width metal enclosure

• External universal power supply included, part # 70-055-01 — Provides worldwide

power compatibility.

model Version descriPtion PArt #

ASA 204 RCA Input................................................................................................. 60-552-30

ASA 304 Captive Screw Input..................................................................................... 60-552-20

descriPtion

The Extron ASA 204 and ASA 304 are high performance Audio Summing Ampliﬁers that

convert two-channel stereo audio signals to balanced/unbalanced mono audio signals. They are

ideal for summing stereo signals for use in mono multi-speaker PA systems in churches, halls,

arenas, stadiums, and other environments where stereo signals would result in cancellation.

The ASA 204 and ASA 304 offer four independent, active audio summing ampliﬁers in a single

enclosure. They convert stereo audio signals from four different sources into mono audio

signals and include switch-selectable gain to achieve different output gain levels. While the

ASA 204 and ASA 304 offer different input connector conﬁgurations to meet speciﬁc integration

needs, both provide balanced/unbalanced outputs on captive screw connectors. These high

performance summing ampliﬁers enable long cable runs and immunity from interference

and noise normally associated with the use of unbalanced audio equipment in professional

integration projects.

Part of the VersaTools®line of products, the ASA 204 and ASA 304 are housed in 1U, quarter

rack width metal enclosures, are easy to install in small spaces, and are rack and under-desk

mountable. They can also be mounted at the projector using Extron's series of PMK - Projector

Mounting Kit products.

oPtionAl Accessories model descriPtion PAGe PArt #

RSU 129 1U 9.5" Deep Universal Rack Shelf Kit .............................................page 819 60-190-01

RSF 123 1U 3.5" Deep VersaTools®Rack Shelf Kit ..........................................page 818 60-190-20

RSB 129 1U 9.5" Deep Basic Rack Shelf .....................................................page 820 60-604-01

RSB 123 1U 3.5" Deep Basic Rack Shelf .....................................................page 818 60-604-20

MBU 123 VersaTools®Mini Under-Desk Mount Kit............................................page 815 70-212-01

PMK 100 One VersaTools®, 1/4 Rack Width Mini Projector Mounting Kit ...................page 813 70-217-01

PMK 300 Multi-Product Projector Mount Kit ..................................................page 813 70-374-01

668

100W

VOL/MUTE

10V

STANDBY

80Hz

(MONO)

LISTED17TT

AUDIO/VIDEO

APPARATUS

CUS

CLASS2WIRING

HPA1001-70V

OUTPUT

70V

LEVELHFPINPUTS

REMOTE

LIMITER/

PROTECT

SIGNAL

100-240V1.3A,50-60Hz

100W

VOL/MUTE

10V

STANDBY

80Hz

(MONO)

LISTED17TT

AUDIO/VIDEO

APPARATUS

CUS

CLASS2WIRING

HPA1001-70V

OUTPUT

70V

LEVELHFPINPUTS

REMOTE

LIMITER/

PROTECT

SIGNAL

100-240V1.3A,50-60Hz

STEREOINPUTS

BAL

UNBAL

SPARE

MONOOUTPUTS

ASA

304

L R LR

POWER

12V

.2AMAX

QUAD AUDIO

SUMMING

AMPLIFIERS

LRLR

POWER

12V

3AMAX

OUTPUTS

4/8Ohms

INPUTS

70V

COM70V

CLASS2

WIRING

REMOTE

(MONO)

10V

LISTED17TT

AUDIO/VIDEO

APPARATUS

SPKERWIRE:DONOT

SHORT+OR-TOGRD

VOL/MUTE

MPA181T

CUS

Extron

MPA 181T

Mini Power

Amplier

Extron

SI 26X

Two-Way Ceiling

Speakers

Mono Audio

Matrix

DVD Player VCR

Video Camera

CD Player

Extron

ASA 304

Audio Summing

Amplier

Zone 2

Zone 3

Extron

HPA 1001-70V

Audio Power

Amplier

Zone 1

Extron

SI 26CT

Two-Way Ceiling

Speakers

Extron

HPA 1001-70V

Audio Power

Amplier

Extron

SI 3CT LP

Full-Range

Ceiling Speakers

www.extron.com

Pricing and speciﬁcations may change without notice.

USA West

+1.714.491.1500 / +800.633.9876

+1.714.491.1517 FAX

USA East

+1.919.863.1794 / +800.633.9876

+1.919.863.1797 FAX

China

+86.21.3760.1568 / +400.883.1568

+86.21.3760.1566 FAX

Japan

+81.3.3511.7655

+81.3.3511.7656 FAX

Europe

+31.33.453.4040 / +800.3987.6673

+31.33.453.4050 FAX

Dubai

+971.4.2991800

+971.4.2991880 FAX

Asia

+65.6383.4400 / +800.7339.8766

+65.6383.4664 FAX

www.extron.com

Pricing and speciﬁcations may change without notice.

USA West

+1.714.491.1500 / +800.633.9876

+1.714.491.1517 FAX

USA East

+1.919.863.1794 / +800.633.9876

+1.919.863.1797 FAX

China

+86.21.3760.1568 / +400.883.1568

+86.21.3760.1566 FAX

Japan

+81.3.3511.7655

+81.3.3511.7656 FAX

Europe

+31.33.453.4040 / +800.3987.6673

+31.33.453.4050 FAX

Dubai

+971.4.2991800

+971.4.2991880 FAX

Asia

+65.6383.4400 / +800.7339.8766

+65.6383.4664 FAX

ASA 204, ASA 304

signAl Processors

Audio outPut

Number / Signal type........... 4 mono, balanced/unbalanced

Connectors ....................... (2) 3.5 mm captive screw connectors, 5 pole (double stacked)

Impedance........................ <50 ohms unbalanced, 100 ohms balanced

Nominal level

ASA 204 ........................... -10 dBV (316 mV)

ASA 304 ........................... +4 dBu (1.23 V)

Maximum level (Hi-Z) ........... >+23 dBu, balanced; or >+17 dBu, unbalanced at 1% THD+N

Maximum level (600 ohm) ..... >+21 dBm, balanced; or >15 dBu, unbalanced at 1% THD+N

GenerAl

External power supply ......... 100 VAC to 240 VAC, 50/60 Hz, external, universal; to 12 VDC,

1 A (max.), regulated

Power input requirements..... 12 VDC, 0.2 A

Temperature / Humidity ........ Storage: -40 to +158 °F (-40 to +70 °C) / 10% to 90%, noncondensing

Operating: +32 to +122 °F (0 to +50 °C) / 10% to 90%, noncondensing

Rack mount ...................... Yes, with optional 1U rack shelf, part #60-190-01 or 60-604-01; or

VersaTools®rack shelf, part #60-190-20 or 60-604-20.

Also furniture mountable with optional under desk mounting brackets,

#70-212-01, or projector mountable with bracket kit #70-217-01.

Enclosure type ................... Metal

Enclosure dimensions.......... 1.7" H x 4.3" W x 3.0" D (1U high, quarter rack wide)

4.3 cm H x 10.9 cm W x 7.6 cm D

(Depth excludes connectors.)

Product weight .................. 0.5 lbs (0.3 kg)

Shipping weight ................. 3 lbs (2 kg)

Vibration .......................... ISTA 1A in carton (International Safe Transit Association)

Listings............................ UL, CUL

Compliances ..................... CE, FCC Class A, VCCI, AS/NZS, ICES

MTBF .............................. 30,000 hours

Warranty .......................... 3 years parts and labor

NOTE: All nominal levels are at ±10%. Speciﬁcations are subject to change without notice.

sPecificAtions

Audio

Gain ................................ Generally unity. Actual gain depends on whether or not both inputs have signals

and also on the output wiring and DIP switch settings. See the table below.

Input Channel Output

Wiring

Output DIP Switch Settings

Left Right Unbalanced Balanced

signal signal balanced +9 dB +3 dB

signal — balanced +3 dB -3 dB

— signal balanced +3 dB -3 dB

signal signal unbalanced +3 dB -3 dB

signal — unbalanced -3 dB -9 dB

— signal unbalanced -3 dB -9 dB

Frequency response ............ 20 Hz to 20 kHz, ±0.05 dB

THD + Noise...................... 0.03% @ 1 kHz at nominal level

S/N ................................. >90 dB (balanced) at rated maximum output

CMRR .............................. >75 dB @ 20 Hz to 20 kHz

Audio inPut

Number / Signal type

ASA 204 ........................... 4 stereo, unbalanced

ASA 304 ........................... 4 stereo, balanced/unbalanced

Connectors

ASA 204 ........................... 4 pairs of female RCA (tip-ring)

ASA 304 ........................... (4) 3.5 mm captive screw connectors, 5 pole

Impedance

ASA 204 ........................... >10k ohms unbalanced, DC coupled

ASA 304 ........................... >17k ohms unbalanced, 23k ohms balanced, DC coupled

Nominal level

ASA 204 ........................... -10 dBV (316 mV)

ASA 304 ........................... +4 dBu (1.23 V)

Maximum level .................. +20 dBu (7.75 V), (balanced or unbalanced) at 1% THD+N

NOTE: 0 dBu = 0.775 Vrms, 0 dBV = 1 Vrms, 0 dBV ≈ 2 dBu

669

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