T Series
(Series 2)
OPERATING
INSTRUCTIONS
(DT 450/CT 160 LINE)
Proud Technology Partner of
Страница 1: ...T Series Series 2 OPERATING INSTRUCTIONS DT 450 CT 160 LINE Proud Technology Partner of ...
Страница 2: ...ciruit DC output Temperature Yes Yes Main s in rush control Yes Yes Output Power watts into 8 ohms Sine wave 1kHz 475 150 Continuouis music with Crest Factor of 2 8 9dB 550 160 Continuouis music with Crest Factor of 4 8 14dB 575 160 Continuouis music with Crest Factor of 7 8 18dB 625 175 Output Power watts into 4 ohms Sine wave 1kHz 875 260 Continuouis music with Crest Factor of 2 8 9dB 975 260 Co...
Страница 3: ...improper AC voltage is not covered by the warranty SAFETY WARNING This unit is fitted with a 3 wire power connector For safety reasons THE EARTH LEAD SHOULD NOT BE DISCONNECTED IN ANY CIRCUMSTANCE If ground loops are encountered consult the section on input connections later in this manual WHERE A FIXED MAINS LEAD IS FITTED THE WIRING COLOURS ARE 230V AREAS EARTH GREEN AND YELLOW NEUTRAL BLUE LIVE...
Страница 4: ...ed on the equipment 16 To completely disconnect this equipment from the AC mains disconnect the power cord from the mains circuit breaker 17 Where the amplifier is mounted in a rack and permanently connected to the mains then the rack should be installed with a readily accessible connector or an ALL POLE circuit breaker with 3mm breaking distances 18 This unit is fitted with a 3 wire power cord Fo...
Страница 5: ...ally balanced and should be connected via a high grade twin core screened cable as follows PIN1 Screen see note PIN2 Hot signal PIN3 Cold signal The amplifier is designed to operate with fully balanced equipment and ground loops or loss of performance may be experienced if connected to unbalanced sources If it is unavoidable however the following wiring should be used The cable should still be twi...
Страница 6: ...ch marked Bridged Mono Use Channel A Output Speakon connector and connect as follows HOT Pin 2 COLD Pin 1 BRIDGED MONO OPERATION CT 160 Use centre Speakon connector marked BRIDGED and connect as follows HOT Pin 1 Channel C IN PHASE COLD Pin 1 Channel D OUT OF PHASE When operating in bridged mode the minimum impedances are doubled The minimum load in bridged mode is DT 450 4 ohms CT 160 Ch C D only...
Страница 7: ...ing the output The red Audio Protect A P LED will indicate this condition see fault indicator On the DT 450 there are two cooling fans The second rear fan can be set to only work when the temperature exceeds 90 C A jumper link JF3 is normally set to permanently enable FAN2 so that it varies in speed proportional to temperature in conjunction with FAN1 The CT 160 has two fans with variable speed an...
Страница 8: ...n all 4 links should be fitted MAINTENANCE ENSURE THAT ELECTRICAL POWER TO THE UNIT IS DISCONNECTED BEFORE CARRYING OUT ANY MAINTENANCE The filter behind the air intake apertures on the front of T Series amplifiers should be cleaned or replaced periodically e g 12 24 months Filters in amplifiers located in more dirty atmospheres may require more frequent maintenance The filter should be dry cleane...
Страница 9: ... A QUALIFIED SERVICE ENGINEER TECHNICAL SPECIFICATION DT LINE Rated power handling 250W 500W 750W input impedance 4 Output impedance rated 100V 40 0 20 0 13 3 70V 19 6 9 8 6 5 50V 10 0 5 0 3 3 Frequency response 50Hz 16kHz 1dB Distortion THD 50Hz 16kHz 0 03 Weight each Chassis only 12kgs 250W transformer 2 3kgs 500W transformer 2 8kgs 750W transformer 4 4kgs Dimensions mm 2U 88 x 482 x 428 When mo...
Страница 10: ...e roll off is normally at 24dB per octave On the DT 450 the roll off is included on the main board as standard To bring the 63 Hz roll off into circuit remove the 4 jumper links at hpf The response must be at least 3dB at 70 Hz and roll off at minimum 12dB per octave LINE TRANSFORMER LEAD OUTS 250W and 500W single 100V winding Primary Orange ve Black ve 4 ohms Secondary Yellow ve Grey ve 100V Blue...
