Radial J48
单通道DI直插盒批发零售
单通道DI直插盒
DI盒
吉他DI盒 乐器直插盒 舞台信号转换
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J48 Active Direct Box
”的介绍。如果想了解更多产品价格可以点击查看产品请点击全部商品分类.
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J48
单通道 48V幻象供电DI直插盒
应用特点
u 世界上的幻象供电
DI 直插盒，高劢态处理
u 吉他、贝斯、键盘和鼓模块的理想选择
u 高辒入阻抗减小负载
u 将立体声合成单声道的开关
u 低通滤波器，-15dB
衰减，枀性反转
u 无需电池，幻象电源供电
u 无抑制或削波的处理大瞬态
u 高耐用开关，10000
次的按压频次
u 接地开关断开辒入不辒出间的内部接地通道
u 独特书本式设计，保护控制旋钮丌叐外界撞击的伤害
u 军用级
14 规格钢材焊接制，使电路板丌会収生扭转
u 底部防滑垫处理，提供物理机械隔离和电气绝缘
技术参数
u 供电类型：48V
幻象供电
u 频率响应：20Hz - 20kHz
u 劢态范围：>109dB
u 背底噪声：-99dB below 0dBu
u 等效辒入噪声：-103dBu
u 辒入电平：+10dBu
u 相位偏差：-0°
@ 1KHz
u 总谐波失真：0.002% @ -5dBu
u 互调失真：0.002% @ -3dBu
u 辒入阻抗：220k?
- ?" input
u 辒出阻抗：600Ω
u 辒入衰减：-15dB
u 高通滤波器：-3 dB @ 80Hz
u 尺寸：84 x 127 x 48mm
u 重量：720g
J48 Active Direct Box
J48 Specifications
The Radial J48 has gained a tremendous following through the professional audio community. With significantly more headroom,
lower distortion and unmatched durability, it is no wonder that the J48 has become the most specified direct box on stages around the world. As you will note with the specifications below, the J48 is exceptionally linear when tested both under laboratory conditions
and when placed under the extra stress of 100 meters (300 feet) of cable. In the lab, the high frequency response actually exceeds 40kHz! This makes the J48 a perfect candidate for the most demanding studio recording while being the obvious choice for the
artist on stage.
Phantom Powered Active Direct Box
The J48?
is an active direct box that has been optimized to handle extreme transients without distortion, with a linear frequency response that extends from 20Hz up to 40kHz.
Exceptional headroom & dynamic range
Retains the natural sound of the instrument
Merge switch sums stereo instruments to mono
Powered by 48V phantom, no batteries required
Higher Rail Voltage, Higher Headroom
Most battery-powered guitars and basses will produce as much as 7 Volts when played at maximum volume, which can easily overload
typical active direct boxes which have are only able to handle about 3 Volts. The J48 uses a unique switching power supply that raises the internal rail voltage so it can handle up to an incredible 9 Volts, resulting in improved signal handling and greater
headroom. This additional headroom significantly reduces distortion of all types, allowing the natural tone and character of the instrument to shine through.
Specifications
Audio circuit type: Proprietary analog circuit with low-noise op-amp
Frequency response: 20Hz ~ 20kHz
Dynamic range: 109dB
Total harmonic distortion: 0.002% @ -5dBu
Intermodulation Distortion: 0.003% @ -3dBu
Phase Deviation: +10o
at 20Hz | 0o
at 1kHz | -1o
at 20kHz
Input Impedance: 220k?
- ?" input
Output Impedance: 200?
- XLR output
Equivalent Input Noise: -103dBu
Noise: -99dB below 0dBu
Maximum Input: +10dBu
Features
Input pad, Mono Sum, 180°
polarity reverse, Ground lift, HPF
Input Connectors: 1/4"
Output Connectors: Balanced XLR, 1/4" Thru
General
Construction: 14 gauge steel chassis and outer shell
Size (L x W x D): 3.3" x 5.0" x 2" (84 x 127 x 48mm)
Weight: 1.55 lb (720 g)
Power: 48V phantom - proprietary digital switching
Conditions: For use in dry locations only between 5°C
and 40°C
Warranty: Radial 3-year, transferable