TOA DA-250DH Bedienungsanleitung

TOA Empfänger DA-250DH

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An all-pole mains switch with a contact separation of at least 3 mm (0.12") in each pole

shall be incorporated in the electrical installation of the building.

DUAL POWER AMPLIFIERS

DA-250D CU

DA-250DH CU

Thank you for purchasing TOA's Dual Power Amplifier.

Please carefully follow the instructions in this manual to ensure long, trouble-free use of your equipment.

Note: The figure shows the DA-250D.

OPERATING INSTRUCTIONS

TABLE OF CONTENTS

1. IMPORTANT SAFETY INSTRUCTIONS .................................................... 3

2. SAFETY PRECAUTIONS ............................................................................... 5

3. GENERAL DESCRIPTION ............................................................................. 9

4. FEATURES .......................................................................................................... 9

5. HANDLING PRECAUTIONS .......................................................................... 9

6. INSTALLATION PRECAUTIONS ................................................................ 10

7. NOMENCLATURE AND FUNCTIONS

Front ........................................................................................................................ 11

Rear .......................................................................................................................... 12

8. SETTINGS AND CONNECTIONS ............................................................... 13

8.1. Switch Settings and Speaker Connections ...................................................... 14

9. REMOVABLE TERMINAL PLUG CONNECTION .................................. 15

10. INPUT SENSITIVITY AND

HIGH-PASS FILTER ON/OFF SETTINGS ................................................ 16

11. PROTECTION OPERATION LIST ............................................................... 17

12. TAMPER-PROOF CAP ATTACHMENT .................................................... 17

13. CLEANING THE FILTER ................................................................................ 18

14. BLOCK DIAGRAMS

14.1. DA-250D .......................................................................................................... 19

14.2. DA-250DH ........................................................................................................ 19

15. DIMENSIONAL DIAGRAM ............................................................................ 20

16. SPECIFICATIONS

16.1. DA-250D CU .................................................................................................... 21

16.2. DA-250DH CU ................................................................................................. 22

1. IMPORTANT SAFETY INSTRUCTIONS

• Read these instructions.

• Keep these instructions.

• Heed all warnings.

• Follow all instructions.

• Do not use this apparatus near water.

• Clean only with dry cloth.

• Do not block any ventilation openings. Install in accordance with the manufacturer's instructions.

• Do not install near any heat sources such as radiators, heat registers, stoves, or other apparatus (including

amplifiers) that produce heat.

• Do not defeat the safety purpose of the polarized or grounding-type plug. A polarized plug has two blades

with one wider than the other. A grounding type plug has two blades and a third grounding prong. The wide

blade or the third prong are provided for your safety. If the provided plug does not fit into your outlet, consult

an electrician for replacement of the obsolete outlet.

• Protect the power cord from being walked on or pinched particularly at plugs, convenience receptacles, and

the point where they exit from the apparatus.

• Only use attachments/accessories specified by the manufacturer.

• Use only with the cart, stand, tripod, bracket, or table specified by the manufacturer,

or sold with the apparatus. When a cart is used, use caution when moving the

cart/apparatus combination to avoid injury from tip-over.

• Unplug this apparatus during lightning storms or when unused for long periods of time.

• Refer all servicing to qualified service personnel. Servicing is required when the apparatus has been

damaged in any way, such as power-supply cord or plug is damaged, liquid has been spilled or objects have

fallen into the apparatus, the apparatus has been exposed to rain or moisture, does not operate normally, or

has been dropped.

Produktspezifikationen

Marke:	TOA
Kategorie:	Empfänger
Modell:	DA-250DH
Breite:	482 mm
Tiefe:	401.8 mm
Gewicht:	5300 g
Produktfarbe:	Schwarz
Übertragungstechnik:	Kabelgebunden
Höhe:	44 mm
Zweck:	Leistung/Phase
Material:	Aluminium, Metal
RMS-Leistung:	500 W
AC Eingangsspannung:	220 - 240 V
AC Eingangsfrequenz:	50 - 60 Hz
Eingebautes Display:	Nein
Betriebstemperatur:	-10 - 40 °C
Relative Luftfeuchtigkeit in Betrieb:	0 - 90 %
Anzahl Kanäle:	2 Kanäle
LED-Anzeigen:	Power, Status
Audio Kanäle:	2.0 Kanäle
THD, totalklirren:	0.3 %
Rauschverhältnis (SNR):	100 dB
Frequenzbereich:	50 - 20000 Hz
Verstärkerklasse:	D
Kühlung:	Aktiv
Synchronisations-Eingangsimpedanz:	10000 Ohm
Lautsprecher-Konnektivitätstyp:	Polklemme
Leistungshöhepunkt pro Kanal:	250 W
Rack-Kapazität:	1U
Dämpfungsfaktor:	300
Gewinnanpassung:	Drehregler