Equipment information
Symetrix 420 Amplifier
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Model:
420
Date:
1999
Category:
Group:
Description:
Stereo Power Amplifier
Information
THE 420 STEREO POWER Amplifier IS A TWO-CHANNEL POWER Amplifier
for use in professional and commercial audio systems. The 420 may be operated as a two channel Amplifier with 20 watts (RMS) per channel, or as a single channel Amplifier capable of 40 watts (RMS) output (bridged-mono mode). The 420 is intended for use in powering near-field monitors, small reference speakers used for radio or audio for video reference, small paging
speakers, multiple pairs of headphones, or as a general purpose line driver/distribution Amplifier.
The 420 is easy to install and simple to operate as well. When used as a stereo amplifier, a single ganged potentiometer controls the level
of both channels. As a 2-channel amp there’s an independent level control for each channel. In conjunction with the level controls each channel has a bright red LED to indicate the onset of clipping. A front panel MODE switch mono sums (mixes) the two inputs. This feature is handy for broadcast and recording engineers who wish to check the mono compatibility of their signals. Commercial sound engineers can use this feature to mix paging signals or paging and music signals. In recording studios and other similar applica-
tions, the 420 makes an ideal headphone Amplifier. You can drive one pair of phones from the front panel jack, or many pairs from
the rear panel terminals. In fact, the 420 will drive multiple professional headphone sets such as the AKG K-240 to 122 dB SPL! While the 420 is compact (1 rack space) and low cost, one should not overlook it’s impres-
sive performance data. Total harmonic distortion (THD) is less than .04% at 1 watt output (see the back of this page for complete specifications). The 420 is truly a professional amplifier—clean, crisp sound reproduction and
total freedom from noise. As an added feature, the 420’s relatively low stray field emissions allow it to be racked next to a wide variety of audio and video equipment without adversely affecting the equipment’s performance.
APPLICATIONS
Recording and broadcast studio near field monitor amp
Video suite audio monitor Amplifier
Audio and video remote truck monitor amp
Small paging system power Amplifier
Background music Amplifier
Recording and broadcast headphone system amp
General purpose high level line driver
FEATURES
Compact (uses only 1 rack space)
20 watts/channel (stereo)
40 watts (mono bridged)
Mono mix mode
Front panel headphone jack
Front panel output mute switch
Manual Type:
User Manual
Pages:
26
Size:
426.89 Kbytes (437138 Bytes)
Language:
english
Revision:
A
Manual-ID:
53420-0A00
Date:
1999 02 25
Quality:
Electronic document, no scan, very well readable.
Upload date:
2017 12 23
MD5:
3395fa3b0e3f7474ba6d7839bd1792ce
Downloads:
717
Information
Gebrauchsanweisung ... .
... 6
Sicherheit ... .
... 6
Entsorgung ... .
... 8
Umwelttipps ... .
... 9
Gerätebeschreibung ... .
... 10
Vorderansicht ... .
... 10
Schublade für Wasch- und Pflegemittel ... .
... 10
Bedienblende ... .
... 11
Programmwähler ... .
... 11
Zusatzprogramm-Tasten ... .
... 13
Verbrauchswerte und Zeitbedarf ... .
... 14
Vor dem ersten Waschen ... .
... 14
Waschgang vorbereiten ... .
... 15
Wäsche sortieren und vorbereiten ... .
... 15
Wäschearten und Pflegekennzeichen ... .
... 16
Wasch- und Pflegemittel ... .
... 17
Welches Wasch- und Pflegemittel? ... .
... 17
Wieviel Wasch- und Pflegemittel? ... .
... 17
Wasserenthärter ... .
... 17
Waschgang durchführen ... .
... 18
Kurzanleitung ... .
... 18
Wäsche einfüllen ... .
... 18
Wasch-/Pflegemittel zugeben ... .
... 19
Waschprogramm einstellen ... .
... 20
Schleuderdrehzahl ändern/Spülstopp wählen ... .
... 20
Waschprogramm starten ... .
... 21
Ablauf des Waschprogramms ... .
... 21
Waschprogramm ändern ... .
... 21
Waschgang beendet/Wäsche entnehmen ... .
... 22
Programmtabellen ... .
... 23
Waschen ... .
... 23
Separates Weichspülen/Stärken/Imprägnieren ... .
... 24
Separates Spülen ... .
... 24
Separates Schleudern ... .
... 24
Reinigen und Pflegen ... .
... 25
Bedienblende ... .
... 25
Waschmittelschublade ... .
... 25
Waschtrommel ... .
... 26
Einfülltür ... .
... 26
Was tun, wenn.. ... .
... 27
Störungsbehebung ... .
... 27
Wenn das Waschergebnis nicht befriedigend ist ... .
... 31
Notentleerung durchführen ... .
... 32
Laugenpumpe ... .
... 33
Kindersicherung ... .
... 35
Aufstell- und Anschlussanweisung ... .
... 36
Sicherheitshinweise für die Installation ... .
... 36
Aufstellung des Gerätes ... .
... 37
Gerät transportieren ... .
... 37
Transportsicherung entfernen ... .
... 37
Aufstellort vorbereiten ... .
... 39
Aufstellung auf einem Betonsockel ... .
... 39
Aufstellung auf schwingenden Böden ... .
... 39
Unebenheiten des Bodens ausgleichen ... .
... 40
Elektrischer Anschluss ... .
... 41
Wasseranschluss ... .
... 41
Zulässiger Wasserdruck ... .
... 41
Wasserzulauf ... .
... 42
Wasserablauf ... .
... 43
Förderhöhen über 1m ... .
... 44
Technische Daten ... .
... 44
Abmessungen ... .
... 44
Garantiebedingungen ... .
... 45
Kundendienststellen ... .
... 47
Stichwortverzeichnis ... .
... 50
Service ... .
... 51
Manual Type:
Datasheet
Pages:
2
Size:
340.43 Kbytes (348603 Bytes)
Language:
english
Revision:
Manual-ID:
Date:
Quality:
Electronic document, no scan, very well readable.
Upload date:
2020 01 11
MD5:
fa905c142ae0f87c306f45fa2d538602
Uploader:
pfsoft
Downloads:
327