Speakers and Amplifiers

Speaker and Amplifier Specifications

feature author: Paul Halliday

The following section provides specifications for the speakers and amplifiers for TDI’s Beech 1900D Level C simulator. Table A-1 contains the amplifier/speaker allocation. All four amplifiers are identical.

front speakers
overhead and rear speakers
subwoofer speaker
subwoofer enclosure
amplifiers

Table A-1. Amplifier/Speaker Allocation

Amplifier	Channel	Speaker
1	Left	Left Front
1	Right	Right Front
2	Left	Left Overhead
2	Right	Right Overhead
3	Left	Left Rear
3	Right	Right Rear
4	Left	Sub-Woofer
4	Right	unused

Front Speakers

Sony XS-V1655G

Peak Input Power:	200 W
Rated Input Power:	50 W
Nominal Impedance:	4 ohms
Sensitivity:	90dB/W/m
Frequency Response:	30 to 26,000 Hz

Overhead and Rear Speakers

Infinity KAPPA 693.1I

Peak Input Power:	300 W
Rated Input Power:	100 W
Nominal Impedance:	4 ohms
Sensitivity:	89dB
Frequency Response:	(±1.5 dB) 38 to 21,000 Hz

Subwoofer Speaker

Infinity KAPPA 120.1SE

Rated Input Power:	300 W
Nominal Impedance:	4 ohms
Sensitivity:	94dB 2.83V/1m
Frequency Response:	25 to 250 Hz

Subwoofer Enclosure

Crutchfield Q-Logic QB-11221SE

Dimensions:

Width:	16 1/8”
Height:	16 1/2”
Depth:	16 1/8”

Amplifiers

Carvin HT760M

Bridged Continuous Power:	4W: 700W 8W: 480W
Both Channels Continuous Power:	2W: 350W/350W 4W: 250W/250W 8W: 175W/175W
Frequency Response:	(±0.5 dB) 20 to 20,000 Hz
Total Harmonic Distortion:	0.03% at half power
Damping Factor:	>350
Slew Rate:	>45v/ms (bridged mode)
Sensitivity:	1.0v (4W, Vms)
Signal-to-Noise Ratio:	>100dB
Input Impedance:	>20KW, balanced