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Altec 9446A Anniversary Series Power Amplifier

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9446A Anniversary Series Power Amplifier


SPECIFICATIONS FOR THE 9446A ANNIVERSARY SERIES POWER AMPLIFIER

Conditions:
1. 0 dBu = 0.775 volts rms.
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 Hz - 20 kHz at less than 0.1% THD) Dual mode, 4 f2: 600 watts/ch
Bridge mode, 8 f): 1200 watts
Dual mode, 8 0: 400 watts/ch
Bridge mode, 16 S2: 800 watts
Continuous Rated Output Power to Subwoofer:
(20 Hz - 1kHz at less than 0.1% THD) Dual mode, 4 G: 650 watts/ch
Bridge mode, 8 i2: 1300 watts
Dual mode, 8 C2: 420 watts/ch
Bridge mode, 16 0: 840 watts
Maximum Midband Output Power:
(Ref. 1 kHz, 1% THD, @120 volts ac line voltage) Dual mode, 4 0: 725 watts/ch
Bridge mode, 8 0: 1450 watts
Dual mode, 8 C2: 450 watts/ch Bridge mode, 16 Q: 900 watts
(Ref. 1 kHz, 1% THD, @108 volts ac (10% sag)) Dual mode, 4 0: 575 watts/ch
Bridge mode, 8 Q: 1150 watts
Dual mode, 8 0: 350 watts/ch
Bridge mode, 16 S2: 700 watts

(Ref. 1 kHz, 1% THD, @100 volts ac (17% sag)) Dual mode, 4 f2: 500 watts/ch
Bridge mode, 8 f): 1000 watts
Dual mode, 8Q: 300 watts/ch Bridge mode, 16 0: 600 watts
Headroom
(Before clip): ?0.25 dB (Ref. 1 kHz, 1% THD, any mode)
Frequency Response: 10 Hz - 90 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)
Voltage Gain:
(Ref. 1 kHz)
Dual mode, 4 Q or
8 Q: 36 dB Bridge mode, 8 Q or
16 S2: 42 dB

Input Sensitivity for Rated Output Power:
(Ref. 1 kHz, ±0.25 dB)
Dual mode, 4 0: +0.2 dRu (0.79 V rms)
Bridge mode, 8 0: +0.2 dBu (0.79 V rms)
Dual mode, 8 0: +1.4 dBu (0.91 V rms)
Bridge mode, 16 f2: +1.4 dBu (0.91 V rms)
Maximum Input Level: +20 dBu (7.75 V rms) (Ref. 1 kHz)
Input Impedance: (Ref. 1 kHz)
Balanced: 15 ks2
Unbalanced: 15 W
Polarity: Positive-going signal applied to pin 2 of XLR or (+) of barrier strip produces positive-going signal at (+) output terminal.
Phase Response: (Any mode)
20 Hz: <+25°
20 kHz: >-15°

THD: <0.1 % (Typ. <0.01 %) (Any mode, 30 kHz measurement bandwidth)
.
IMD (SMPTE 4:1): <0.05% (Typ. <0.01%) (Any mode)
TIM (DIM 100): <0.05% (Any mode)
Rise Time: <6 psec (Any mode, 10% to 90%)
Slew Rate:
Dual mode, 4 or 8 Q: >30 V/psec Bridge mode, 8 or 16 0: >60 V/usec
Damping Factor: (Dual mode, 8 0)
20 Hz - 1 kHz: >250
20 kHz: >75
Crosstalk: <80 dBr
(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 f2 dual mode, 50/60 Hz ac line frequency)

Amplifier Protection: Shorted output terminals, Overtemperature, RF interference

 


 

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