Altec Lansing 9444B - Manual (Page 11)

Operating and Service Instructions for the Altec Lansing 9444B Power Amplifier
dual mode, 50/60 Hz ac line frequency)
Amplifier Protection:
Load Protection;
Cooling:
Heatsink:
Fan:
Output Topology:
Output Type:
Dual mode:
Bridge mode:
Output Devices:
Total number:
Pdmax rating:
Vceo:
Ic:
Tjmax:
Controls and Switches:
Rear:
Front:
Shorted output term­
inals, Over-temperature,
RF interference
Startup/shutdown trans­
ients, DC faults. Sub­
sonic signals
Thermally equalized 3/16
in aluminum black ano­
dized heatsink
Thermostatically con­
trolled dual speed fan.
Approximately 50 CFM
at low speed and 100
CFM at high speed. Ball
bearing fan has mini­
mum
life rating of
50,000 hours at 25 °C
ambient temperature
True complementary
symmetry with grounded
collectors
(no mica
insulators means better
heat transfer)
Unbalanced, each chan­
nel
Balanced
16 devices
250 watts
250 volts DC
16 amps DC
200 °C
Mode switch, Two input
level controls
Power switch
Front Panel Indicators: Power LED, Clip LED (x
2),Protect LED (x 2)
Connections;
Input: 6 terminal barrier strip,
Female XLR (x 2),
Octal accessory socket (x
2), powered with ±15
Output:
Power:
Fuse ТУре;
Power Requirements;
Operating ac Voltage
Range:
volts DC at 25 :'-¡i.
Barrier strip
6 ft (1.83 m). :^-wire, 16
GA power cord with
NEMA 5-15 ;:!:jg/rEC
Littelfuse TVps ЗАВ 10
A/250 V Sl^Blo® 326-
series ceramU ..irtridge
body, or equivakmt (for
120 V ac use
120 V ac, 50/6Й Hz, 1000
watts (configurable to
220/240 Vac. ; 00 Vac,
5 0 / 6 0 H r m o d e l
availeihle.
Operates line
voltages as ! iv as 90
volts (at redv:oitl output
power) assu;-:!T!r: a 120 V
ac nominal i; '
Power Consumption/
Heat Produced:
(Both channels operating in dual mode '.viih 1 kHz
sinewave input signal at stated output power into 4
Cl loads)
idle:
l/8th max
midband power:
l/3rd max
midband power:
Rated output power:
Max midband power:
Operating Temperature
Range:
72 watt&'0,24ò кВТи/h
720 watta'2.100 ,kBTU/h
1,068 w.4t.i.s/2.702
kBTU/h
1 , 4 6 4 w « * t , s / 2 . 9 3 8
kBTU/h
1 , 6 8 0 w - a s / 2 . 8 7 3
kBTU/h
Up to 60 C (140 “F)
ambient
Dimensions (Rear of rack ears to max depth):
5.25 in Hx 19 i n W x l 3
in D
(13.3 cm b -^8.3 cm W
X 33 cm DI
ALTEC LANSING* CORPORATION • a Mark IV Company