Extron ASA 304 Manual

Extron Modtager ASA 304

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ASA 204 and ASA 304 • User Guide

About the ASA Series

The Extron ASA series high-performance audio summing ampliﬁers convert stereo audio signals into balanced or

unbalanced mono signals. The series consists of the following two models:

• ASA 204 — The ASA 204 has four independent active summing amps with four pairs of RCA connectors for

unbalanced line level stereo audio inputs. The unit has captive screw connectors for four balanced or unbalanced

mono outputs. Because of its input/output configuration, the ASA 204 can also function as an unbalanced to

balanced audio converter.

• ASA 304 — The ASA 304 has four independent active summing amps with four 5-pole captive screw connectors

for balanced or unbalanced line level stereo audio inputs. The unit has captive screw connectors for four balanced or

unbalanced mono outputs.

The ASA 204 and ASA 304 include an external 12V power supply that accepts 100-240VAC input.

Features

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

• Stereo inputs on RCA connectors, mono output on captive screw connectors

• Converts stereo audio to balanced or unbalanced mono audio

• ±6 dB output gain switch

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

• Extron Everlast Power Supply (included) is covered by a 7-year parts and labor warranty

Installation and Operation

Mounting the ASA 204 and ASA 304

The ASA 204 and ASA 304 can be set on a table, or mounted on a rack shelf, under a desk or tabletop, or on a projector

mount.

Tabletop placement

Attach the four provided rubber feet to the bottom of the unit and place it on a convenient tabletop location.

Rack mounting

For optional rack mounting, do not install the rubber feet. Mount the ASA on a 19” 1U rack shelf or a standard universal

1U rack shelf. On the standard rack shelf, the ASA mounts in one of four locations to the rear of the rack or in one of four

locations to the front of the rack.

1. Remove rubber feet if they were previously installed on the

bottom of the ASA.

2. Mount the ASA on the rack shelf, using two 4-40 x 3/16”

screws in opposite (diagonal) corners to secure the amplifier

to the shelf.

3. Install blank panels or other units on the rack shelf (see the

image on the right).

4. Attach the rack shelf to the rack using the supplied bolts.

NOTE: Most 1U rack-mountable Extron products can be

mounted on the standard shelf.

Produkt Specifikationer

Mærke:	Extron
Kategori:	Modtager
Model:	ASA 304
Vekselstrømsindgangsspænding:	100-240 V
Vekselstrømsindgangsfrekvens:	50 - 60 Hz
Bredde:	109 mm
Dybde:	76 mm
Højde:	43 mm
Vægt:	300 g
Produktfarve:	Grå
Pakkevægt:	790 g
Opbevaringstemperatur (T-T):	-40 - 70 °C
Relativ luftfugtighed ved drift (H-H):	10 - 90 %
Relativ luftfugtighed ved opbevaring (H-H):	10 - 90 %
Driftstemperatur (T-T):	0 - 50 °C
Frekvensområde:	20 - 20000 Hz
Forbindelsesteknologi:	Ledningsført
Lyd-output kanaler:	4.0 kanaler
Pakkens dimensioner (BxDxH):	181 x 241 x 62 mm
Harmoniseret systemkode (HS):	85184000
Formål:	Optræden/scene
Lyd (L, R) indgang:	4
Lyd (L, R) udgang:	4
klirfaktor (THD):	0.03 %
Signal/støjforhold:	90 dB
Spidseffekt pr. kanal:	- W
Output impedans:	100 ohm (Ω)
Indgangsimpedans:	23000 ohm (Ω)