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Altec 9441A 100 watt Dual Channel Power Amplifier

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Altec 9441A Amp page 2

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Maximum Midband Output Power:


(Ref. 1 kHz, 1% THD, @120 volts ac line voltage) Dual mode, 4 ohms: > 145 watts per channel
Bridge mode, 8 ohms: > 270 watts
Dual mode, 8 ohms: > 100 watts per channel
Bridge mode, 16 ohms: > 200 watts

(Ref. 1 kHz, 1% THD, 0108 volts ac (10% sag)) Dual mode, 4 ohms: > 115 watts per channel
Bridge mode, 8 ohms: > 220 watts
Dual mode, 8 ohms: > 80 watts per channel
Bridge mode, 16 ohms: > 155 watts

(Ref. 1 kHz, 1% THD, @100 volts ac (17% sag))

Dual mode, 4 ohms: > 95 watts/ch
Bridge mode, 8 ohms: > 185 watts Dual mode, 8 ohms: > 70 watts/ch
Bridge mode, 16 ohms: > 135 watts

Headroom (Before clip): 1 dB
(Ref. 1 kHz, 1% THD, single channel mode)

Voltage Gain: (Ref. 1 kHz) Dual mode, 4 ohms: 28 dB Dual mode, 8 ohms: 30 dB
Bridge mode, 8 ohms: 34 dB
Bridge mode, 16 ohms: 36 dB

Input Sensitivity
for Rated Output Power: (Ref. 1 kHz, ±0.5 dB) Dual mode, 4 ohms: 0 dBu (0.774 V rms)
Bridge mode, 8 ohms: -0.25 dBu (0.752 V rms) Dual mode, 8 ohms: +1.0 dBu (0.869 V rms)
Bridge mode, 16 ohms: +1.0 dBu (0.869 V rms)

Maximum Input Level: +20 dBu (7.75 V rms) (Ref. 1 kHz)

Input Impedance: (Ref. 1 kHz) Balanced: 30,000 ohms Unbalanced: 15,000 ohms
Polarity: Positive-going signal applied to pin 2 of XLR or (+)(tip) of V4" phone jack produces a positive-going signal at (+) output terminal.

Phase Response: (Any mode) 20 Hz: <+25° 20 kHz: >-25°

Slew Rate:
Dual mode, 4 or 8 ohms: >19 V/µsec Bridge mode, 8 or 16 ohms: >37 V/µsec

Damping Factor: (Dual mode, 8 ohms)
1 kHz: >100
Crosstalk: < 55 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 ohms dual mode, 50/60 Hz ac line frequency)
Amplifier Protection: Shorted output terminals, Over-tem perature,
Radio Frequency interference.
Load Protection: Startup/shutdown transients, DC faults, Subsonic signals.

Cooling: Convection Conventional heatsink

Output Topology: True com plementary sym metry
Output Type:
Dual mode: Unbalanced, each channel
Bridge mode: Balanced

Output Devices:
Total number: 4 devices Pdmax rating: 130 watts
Vceo: 180 volts DC
Ic: 15 amps DC
Tjmax: 150°C
Controls and Switches:
Front: Two input level controls,
Power switch
Rear: Mode switch
Front Panel Indicators: Power LED, two Clip LEDs Protect LED

Connections:
Input: Two V4" phone jacks,
Two female XLR,
Octal accessory socket: Two, powered with ±15 volts
DC at 25 m a.
Output: Barrier strip



 

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