XTi
2
.
5
Series Power Amplifier
XTi
2
.
5
系列功率放大器
18
Operation Manual
操作手册
8
.
规格
性能
灵敏度
(
全额定功率,
4
ohms)
1
.
4
V
频率响应
(
1
W,
4
ohms)
20
Hz -
20
kHz, +
0
/-
1
dB
信噪比
100
dB (
103
dB in XTi
6002
A) (
低于额定功率
,
1
kHz,
8
ohms, A
计权
)
阻尼系数
(
8
ohms),
10
Hz -
400
Hz
>
500
串扰
>
70
dB (
以额定输出功率为参考
)
20
Hz -
1
kHz
输入阻抗
(
额定
)
平衡
非平衡
20
k ohms
10
k ohms
输入级
输入是电子平衡采用
1
%
精度电阻。
交流线路电流(
120
VAC
功
放,
1
/
8
功率粉红噪音,每通
道
4
ohms
)
6
.
8
A
(
闲置电压降,不
超过
30
W)
8
.
3
A
(
闲置电压降,不
超过
30
W)
10
.
5
A
(
闲置电压降,不
超过
30
W)
15
.
3
A
(
闲置电压降,不
超过
180
W)
电压增益(
1
kHz,
8
ohms
额定
输出)
30
.
5
dB
32
.
9
dB
34
.
2
dB
37
.
1
dB
最大输入信号
+
22
dBu
典型
负载阻抗(注意:所有负载
均安全)
立体声:
2
-
8
ohms
桥接
-
单声道:
4
-
16
ohms
交流电压和频率配置
(
±
10
%)
220
-
240
V
50
/
60
Hz.
运行温度
0
°
C -
40
°
C,
95
%
相对湿度(非冷凝)
结构
通风
由前往后的空气对流机制
冷却
内部空气强排散热,风扇冷却,快速调节,温度保护
尺寸
(W x H x D)
19
"x
3
.
5
"x
12
.
25
" (
482
mm x
89
mm x
311
mm)
19
"x
3
.
5
"x
16
.
2
" (
482
mm x
89
mm x
411
mm)
净重
25
.
1
lb (
11
.
4
kg)
28
.
0
lb (
12
.
7
kg)
29
.
7
lb (
13
.
5
kg)
43
.
0
lb (
19
.
5
kg)
运输重量
18
.
5
lb (
8
.
4
kg)
21
.
5
lb (
9
.
8
kg)
24
.
0
lb (
10
.
9
kg)
30
.
0
lb (
13
.
6
kg)
最低保证功率,
1
kHz
XTi
1002
A
XTi
2002
A
XTi
4002
A
XTi
6002
A
每通道,驱动两个通道
立体声
2
欧姆
立体声
4
欧姆
立体声
8
欧姆
桥接单声道
4
欧姆
桥接单声道
8
欧姆
600
W
*
†
400
W
240
W
1200
W
*
†
800
W
975
W
*
800
W
475
W
1950
W
*
1600
W
1275
W
*
1100
W
650
W
2550
W
*
2200
W
3000
W
*
2100
W
1200
W
6000
W
*
4200
W
额定
220
VAC
,持续一分钟
立体声
2
欧姆
立体声
4
欧姆
立体声
8
欧姆
600
W
*
†
400
W
240
W
975
W
*
800
W
475
W
1275
W
*
1100
W
650
W
1100
W
*
1200
W
1000
W
总谐波失真:
0
.
5
%
。
*
总谐波失真:
1
%
。
†
不是
100
V
版的额定值。
8. Specification
Performance
Sensitivity (volts RMS) for full rated power
at
4
ohms
1
.
4
V
Signal Response(
1
W,
4
ohms)
20
Hz -
20
kHz, +
0
/-
1
dB
Signal to Noise Ratio
100
dB (
103
dB in XTi
6002
A) (below rated
1
kHz power at
8
ohms), A-weighted
Damping Factor
>
500
, (
8
ohms),
10
Hz -
400
Hz
Crosstalk
>
70
dB (below rated power)
20
Hz -
1
kHz
Input Impedance (nominal)
Balance
Unbalance
20
k ohms
10
k ohms
Input Stage
Input is electronically balanced and employs precision
1
% resistors.
AC Line Current (
120
VAC amplifier playing
1
/
8
power pink noise into
4
ohms per ch)
6
.
8
A
(at idle draws no
more than
30
W)
8
.
3
A
(at idle draws no
more than
30
W)
10
.
5
A
(at idle draws no
more than
30
W)
15
.
3
A
(at idle draws no
more than
180
W)
Voltage Gain (at
1
kHz,
8
ohm rated output)
30
.
5
dB
32
.
9
dB
34
.
2
dB
37
.
1
dB
Maximum Input Signal
+
22
dBu typical
Load impedance (note: safe with all types
of loads)
Stereo:
2
-
8
ohms
Bridge Mono:
4
-
16
ohms
AC Line Voltage and Frequency
Configurations Available (
±
10
%)
220
-
240
V
50
/
60
Hz.
Operating Temperature
0
℃
to
40
℃
at
95
% relative humidity (non-condensing)
Structure
Ventilation
Flow-through ventilation from front to back
Cooling
Heat sinks and proportional-speed fan
Dimensions (W x H x D)
19
"x
3
.
5
"x
12
.
25
" (
482
mm x
89
mm x
311
mm)
19
"x
3
.
5
"x
16
.
2
"
(
482
mm x
89
mm
x
411
mm)
Net Weight
25
.
1
lb (
11
.
4
kg)
28
.
0
lb (
12
.
7
kg)
29
.
7
lb (
13
.
5
kg)
43
.
0
lb (
19
.
5
kg)
Shipping Weight
18
.
5
lb (
8
.
4
kg)
21
.
5
lb (
9
.
8
kg)
24
.
0
lb (
10
.
9
kg)
30
.
0
lb (
13
.
6
kg)
Minimum Guaranteed Power
1
kHz
XTi
1002
A
XTi
2002
A
XTi
4002
A
XTi
6002
A
Per Channel, both channels driven
Stereo,
2
ohms (per ch.)
Stereo,
4
ohms (per ch.)
Stereo,
8
ohms (per ch.)
Bridge-Mono,
4
ohms
Bridge-Mono,
8
ohms
600
W
*
†
400
W
240
W
1200
W
*
†
800
W
975
W
*
800
W
475
W
1950
W
*
1600
W
1275
W
*
1100
W
650
W
2550
W
*
2200
W
3000
W
*
2100
W
1200
W
6000
W
*
4200
W
Rated Power @
220
VAC,
1
min continuous
Stereo,
2
ohms (per ch.)
Stereo,
4
ohms (per ch.)
Stereo,
8
ohms (per ch.)
600
W
*
†
400
W
240
W
975
W
*
800
W
475
W
1275
W
*
1100
W
650
W
1100
W
*
1200
W
1000
W
With
0
.
5
% THD.*With
1
% THD.
†
Not rated for
100
V versions.
Summary of Contents for XTi 1002A
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