Extron ASA 304 Manual
Read below đ the manual in Italian for Extron ASA 304 (13 pages) in the Receiver category. This guide has been helpful for 23 people and has been rated 4.5 stars on average by 2 users
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1
ASA 204 and ASA 304 ⢠User Guide
About the ASA Series
The Extron ASA series high-performance audio summing ampliďŹers convert stereo audio signals into balanced or
unbalanced mono signals. The series consists of the following two models:
⢠ASA 204 â 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 â 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
⢠¹6 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 19â 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 3/16â
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.
2
ASA 204 and ASA 304 ⢠User Guide (Continued)
ASA 204/ASA 304 Front Panel Features
1
1
Power LED â Lights to indicate that the ASA is on.
Figure 1. ASA 204 and ASA 304 Front Panel
ASA 204/ASA 304 Rear Panel Features and Cabling
POWER
12V
.2A MAX
STEREO INPUTS
MONO OUTPUTS
BAL
UNBAL
ON
SPARE
3
1
4
2
43
21
L
QUAD AUDIO
SUMMING
AMPLIFIERS
R
ASA
204
L
L
R
R
1 2
3
4
STEREO INPUTS
BAL
UNBAL
ON
SPARE
MONO OUTPUTS
3
1
4
2
ASA
304
3
1
4
2
L R
L R
POWER
12V
.2A MAX
QUAD AUDIO
SUMMING
AMPLIFIERS
L R
L R
1 2
3
4
Figure 2. Figure 3. ASA 204 Rear Panel ASA 304 Rear Panel
1
Input Connector
3
Output gain DIP switch
2
Output Connector
4
Power connector
Balanced dio OutputAu
Tip
Ring
Tip
Ring
Slee
ves
Unbalanced dio OutputAu
Tip
No Ground Here
No Ground Here
Tip
Slee sve
L R
L R
Unbalanced dio InputBalanced dio Input AuAu
Tip
Ring
Tip
Ring
Slee
ves
Tip
Sleeve
Sleeve
Tip
L R
L R
Do not tin the wires!
RCA Connector
Slee ( )ve
Ring(R)
Tip(L)
Wire the audio input and output connectors as shown at
right. Use the supplied tie wrap to strap the audio cable
to the extended tail of the connector.
ATTENTION:
⢠Connect the sleeve to ground (Gnd). Connecting the sleeve to a negative (-) terminal will damage the audio
output circuits.
⢠Connectez le manchon Ă la borne de terre (Gnd). Connecter le manchon Ă une borne nĂŠgativeî(-) endommagera
les circuits de la sortie audio.
⢠For unbalanced outputs, do not connect wires to the â-â poles (see the Extron Audio Wiring Card).
⢠Pour les sorties asymĂŠtriques, ne connectez pas de câbles aux pĂ´les ÂŤ - Âť (voir le Audio Wiring Card dâExtron).
⢠The length of exposed wires is . The ideal length is 3/16 inch (5 mm).critical
⢠La longueur des câbles exposĂŠs est lorsque lâon entreprend de les dĂŠnuder. La longueur idĂŠale est primordiale
de 5îmm (3/16îinches).
3
3
Output gain DIP switch â Use this switch to set the audio output gain level.
Gain levels available via the switch vary depending on whether both inputs are receiving signals, and on the output
wiring, as shown in the table below.
Input Channel Output Output DIP Switch Settings
Left Right Wiring Unbalanced Balanced
signal signal balanced +9dB +3dB
signal ââ balanced +3dB -3dB
ââ signal balanced +3dB -3dB
signal signal unbalanced +3dB -3dB
signal ââ unbalanced -3dB -9dB
ââ signal unbalanced -3dB -9dB
4
â An external 12 V power supply is included with the unit. Plug it into this 2-pole captive screw Power connector
connector. Wire the connector as shown below.
Rear Panel
Power Receptacle
DC Power Cord
Captive Screw
Connector
Ground
all devices.
External
Power Supply
(12 VDC, 0.5 A max.
)
â Return
+12 VDC input
Ridged
Smooth
Figure 4. Rear Panel 12 VDC Power Connector
CAUTION: The DC output cables must be kept separate from each other while the power supply is plugged in.
Remove power before wiring
AVERTISSEMENT : Les câbles de sortie CC doivent être sÊparÊs les uns des autres tant que la source
dâalimentation est branchĂŠe. Coupez lâalimentation avant dâeffectuer les raccordements.
ATTENTION:
⢠Do not connect power to the amplifier until you have read the ATTENTION notifications.
⢠Ne branchez pas lâalimentation au lâamplificateur avant dâavoir lu les mises en garde ÂŤ ATTENTION Âť.
⢠Always use a power supply supplied or specified by Extron. Use of an unauthorized power supply voids all
regulatory compliance certification and may cause damage to the supply and the end product.
⢠Utilisez toujours une source dâalimentation fournie ou recommandĂŠe par Extron. Lâutilisation dâune source
dâalimentation non autorisĂŠe annule toute certification de conformitĂŠ rĂŠglementaire et peut endommager la
source dâalimentation et lâunitĂŠ.
⢠If not provided with a power supply, this product is intended to be supplied by a power source marked
âClass 2â or âLPSâ and rated at 12îVDC and a minimum of 0.5îA.
⢠Si le produit nâest pas fourni avec une source dâalimentation, il doit ĂŞtre alimentĂŠ par une source
dâalimentation de classe 2 ou LPS, avec une tension nominale 12 Vcc, 0,5 A minimum.
Product Specifications
| Brand: | Extron |
| Category: | Receiver |
| Model: | ASA 304 |
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