Operation Manual; Frequency Response; Input Impedance (nominal): - Page 43

XTi2 Series 

Power Amplifiers

page 43

Operation Manual

Performance

Sensitivity (volts RMS) for full rated power at 4 ohms:

 1.4 V.

Frequency Response

(at 1 watt into 4 ohms, 20 Hz to 20 kHz):

 +0 dB, –1 dB.

Signal to Noise Ratio (below rated 1 kHz power at 8 ohms), A-weighted:

 100 dB (103 dB in XTi 6000).

Damping Factor (8 ohm) 10 Hz to 400 Hz: 

> 500.

Crosstalk (below rated power) 20 Hz to 1 kHz: 

> 70 dB.

Input Impedance (nominal): 

20 kilohms balanced, 10 kilohms unbalanced.

Input Stage: 

Input is electronically balanced and employs pre cision 1% resistors.

AC Line Current (120VAC amplifier playing 1/8 power pink noise into 4 ohms per ch): 

XTi 1002: 6.8A, XTi 2002: 8.3A, XTi 4002: 10.5A; at idle draws no more than 30 watts. 
XTi 6002: 15.3A; at idle draws no more than 180 watts.

Voltage Gain (at 1 kHz, 8 ohm rated output): 

XTi 1002: 30.5 dB. XTi 2002: 32.9 dB. XTi 4002: 34.2 dB.  

XTi 6002: 37.1 dB.

Maximum Imput Signal: 

+22 dBu typical.

Load impedance (note: safe with all types of loads) 

Stereo: 2-8 ohms (4-8 ohms in XTi 1000 A1 100V versions). 
Bridge-Mono: 4-16 ohms (8-16 ohms in XTi 1000 A1 100V versions).

AC Line Voltage and Frequency Configura tions Available (± 10%):

 100V, 120V, 220-240V  50/60 Hz.

Operating Temperature:

 0° C to 40° C at 95% relative humidity (non-condensing).

Construction

Ventilation: 

Flow-through ventilation from front to back.

Cooling:

 Heat sinks and proportional-speed fan.

Dimensions. Width, Height, Depth (behind mounting surface):

EIA Standard 19 in. W (EIA RS-310-B) x 3.5 in. (8.9 cm) H x 12.25 in. (31.1cm) D. XTi 6000 is 16.2 in. (41.15 cm) D.

Weight

Net Weight, Shipping Weight: 

18.5 lb (8.4 kg), 21.5 lb (9.8 kg). XTi 6002 is 24.0 lb (10.9 kg), 30.0 lb (13.6 kg).

XTi2 Specifications

Minimum Guaranteed Power, 1 kHz

XTi 1002

XTi 2002

XTi 4002

XTi 6002

Per channel, both channels driven

 
Stereo, 2 ohms (per channel)

Stereo, 4 ohms (per channel)

Stereo, 8 ohms (per channel)

Bridge-Mono, 4 ohms

Bridge-Mono, 8 ohms

700W

500W

275W

1,400W

1,000W

1,000W

800W

475W

2,000W

1,600W

1,600W

1,200W

650W

3,200W

2,400W

3,000W

2,100W

1,200W

6,000W

4,200W

   With 0.5% THD.  

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With 1% THD.  

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 Not rated for 100V versions.

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