Altec Lansing 9441A - Manual (Page 9)

operating and Service Instructions for the Altec Lansing 944lA Power Amplifier
8 SPECIFICATIONS
Conditions:
1. 0 dBu = 0.775 volts rins.
2. Dual mode ratings are for each channel.
3. Both channels operating at rated output power
unless noted.
4. 120 volt ac line input voltage maintained for all
tests unless noted.
Continuous Rated Output Power:
(20 IIz - 20 kHz at less than 0.1% THD)
Dual mode, 4 fi;
100 watts/ch
Bridge mode, 8 fl: 200 watts
Dual mode, 8 fl; 75 watt..s/ch
Bridge mode, 16 Cl: 150 watts
Continuous Rated Output Pow'er to Subwoofer:
(20 llz - 1 kHz at less than 0.1% TIID)
Dual mode, 4 0:
130 watts/ch
Bridge mode, 8 O: 260 watts
Dual mode, 8 O: 95 watts/ch
Bridge mode, 16 O: 180 watts
Miiximum Midband Output Power:
(Ref. 1 kllz, 1% TIID, @120 volts ac line voltage)
Dual mode, 4 O:
Bridge mode, 8 O:
Dual mode, 8 O:
Bridge mode, 16 0: >145 watts/ch
>270 watts
>100 watts/ch
>200 watts
(Ref. 1 kHz, 1% THD, @108 volts ac (10% sag))
Dual mode, 4 O:
Bridge mode, 8 O:
Dual mode, 8 O:
Bridge mode, 16 O:
>115 watl.s/ch
>220 watts
> 80 watts/ch
>155 watts
Voltage Gain:
(Ref. 1 kHz)
Dual mode, 4 fl:
28 dB
Dual mode, 8 Cl: 30 dB
Bridge mode, 8 fl: 34 dB
Bridge mode, 16 fl:
36 dB
Input Sensitivity for Rated Output Powci-
(Ref. 1 kllz, ±0.5 dB)
Dual mode, 4 fl:
Bridge mode, 8 fl:
Dual mode, 8 fl:
Bridge mode, 16 ft:
Miiximum Input Level:
(Ref. 1 kHz)
Input Impedance:
(Ref. 1 kHz)
Balanced:
Unbalanced:
Polarity:
OdBu (0.774 V - ' s)
-0.25 dBu (0.752 v rms)
+1.0 dBu (0.869 V .rms)
+ 1.0 dBu (0.869 ” rms)
+20 dBu (7.75 V . ms)
Phase Response:
(Any mode)
20 Hz:
20 kHz:
30 kfl
15 kfl
Positive-going signal
applied to pin 2 of TvLR
or (+) of */«" phone (tip)
produces positive-going
signal at (+) output
terminal.
<+25°
>—25°
THD: <0.1% aVp. <0.05%)
(Any mode, 30 kHz measurement bandwidth i
(Ref. 1 kHz, 1% THD, @100 volts ac (17% sag))
Dual mode, 4
Cl:
Bridge mode, 8 fl;.
Dual mode, 8 fl:
Bridge mode, 16 fl:
> 95 watts/ch
>185 watts
> 70 watts/ch
>135 watts
Headroom (Before clip): >1 dB
(Ref. 1 kHz, 1% TIID, single channel mode)
Frequency Response: 10 Hz - 50 kHz
(Ref. 1 kHz, 1 watt output, +0/—3 dB)
Power Bandwidth; 20 Hz - 20 kHz
(Ref. 1 kHz, +0/—1 dBr where 0 dBr = rated output
power in any mode)
IMD (SMPTE 4:1);
(Any mode)
Slew Rate:
Dual mode, 4 or 8 il:
Bridge mode, 8 or 16 fl:
Damping Factor:
(Dual mode, 8 fl)
1 kHz:
< 0 . 1 %
>19 V/psec
>37 V/psec
>100
<55 dBr Crosstalk:
(Ref. 1 kHz, 0 dBr = rated output power into 8
ohms, single channel operating)
Noise; > 100 dB
(Below rated output power, A-weighting filter, 8 fl
dual mode, 50/60 Hz ac line frequency)
ALTEC LANSING'^ CORPORATION » « Mark IV Company