本系列功率放大器旨在提供无以伦比的品质和性能，是专为满足严格要求而设计的。高精度要求，高效性，低能量消耗和外观结构都非常紧凑的半挂架构造。低成本、轻重量和对流冷却，使该功率放大器成为优质的高品质商业工业和专业音频设备。在广泛的应用领域，此 CLASS AB 功率放大器已经通过了时间一次又一次的考验。本系列功率

放大器包含 3 通道功率放大器和 3 通道 MIC放大器。

KABR-3315B 功率放大部分

20W x 3 @ 4 Ohms

10W x 3 @ 8 Ohms

特性:

•

紧凑型半挂架结构

• 3通道功放，3通道MIC放大器

• 自然冷却

• 超宽动态范围

• 高原，寒冷，酷热环境都可用

• 高效环形工频变压器电源

• 中国设计制造

应用领域:

• 音视频制作

• 节目前端后端处理

• 监控设备

• 广播设备

• 专业音频测试设备

• 标准音频源发生器 3315B功放电源一体机

性能参数

8 Ohm Power................................ ............... .......................... ...............10W

4 Ohm Power................................ ............... ......................... .................20W

Frequency Response (+0, –0.5 dB, 1)...... ............... ............... 20 Hz—20 kHz

Power Bandwidth (+0, –3 dB) ............... ............... …............... 5 Hz—100 kHz

Signal to Noise Ratio (SNR) ............... ................................ ............... >100dB

THD+N ............... ............... ................................................................ <0.01%

Damping Factor ............... ............... ....................................................... >200

Slew Rate ............... ............... ............................................. 30V/microsecond

Input Sensitivity ............... ............... .............................................. 1V (0 dBV)

Standard Voltage Gain ............... ............... ........................................... 20dB

Input impedance (Unbalanced) ............... ............... ..... 20k Ohms

Idle power consumption ............... ............... ………………………............ 6W

Class ............... ............... ......................................................................... A B

Input Connectors ............... ............... ......................................................BNC

Output Connectors ............... ............... .................................... Terminal Strip

Cooling ............... ............... ............................ Convection–Cooling (No Fans)

Dimensions (height, width, depth) ............... ............................... ...............

Weight ............... ........................................................................ ...............3Kg

KABR-3315B MIC放大器部分

性能参数

Frequency Response (+0, –0.5 dB, 1)...... ............... ............... 10 Hz—100 kHz

Signal to Noise Ratio (SNR) ............... ................................ ............... >100dB

THD+N ............... ............... ................................................................ <0.005%

Input Sensitivity ............... ............... .............................................. 1V (0 dBV)

Standard Voltage Gain ............... ............... ....................................... 20dB/ 0 dB

Input impedance (Unbalanced) ............... .................. ..... 40k Ohms

Class ............... ............... ............................................................................. A B

Input Connectors ............... ............... ...........................................................BNC

Output Connectors ............... ............... ....................................................... BNC

本机有3通道MIC放大器，其中CH1,CH2自带24V/4mA恒流源給外接MIC提供电源，MIC放

大器CH3自带可变电压和可变内阻电源給外接MIC提供电源，可变电压为

1.5V,2.0V,3.0V,4.5V, 可变内阻为680ohm，1.5k ohm，2.2 k ohm，3 k ohm.