Radial J33 胶木电唱机降噪DI直插盒批发零售 隔离变压器 消除接地回路的噪声DI直插盒 吉他DI盒 Radial DI直插盒
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J33 胶木电唱机降噪DI 直插盒
应用特点
u 适合录制、取样、擦盘表演和 DJ 混音
u RIAAEQ 曲线用于适当的重放响应
u RCA,3.5mm，TRS 和 XLR 输出选择
u 隆隆声滤波器防止低频反馈
u 48V 幻象供电或外置电源供电
u 用于磁性转盘唱机
u 无需 DJ 调音台
u 独特书本式设计，保护控制旋钮不受外界撞击的伤害
u 军用级 14 规格钢材焊接制，使电路板不会发生扭转
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 频率响应：根据唱片播放 RIAA 响应曲线
u 信噪比：-82dB0dB 输出
u 动态范围：91dB
u 等效输入噪声：-82dB0dB 输出
u 输入电平：-30dBu@1kHz
u 额度输入：-50~-40dBu@1kHz
u 总谐波失真：0.002%
u 互调失真：0.025%@-45dBu
u 输入阻抗：47KΩ
u 输出阻抗：XLR 输出 600ΩRCA：470Ω
u 尺寸：127x159x51mm
u 重量：1.2Kg
J33 Phono Preamp & DI
Active Turntable Preamp & DI Box
The J33? combines a high quality turntable (phono) preamp with a DI box, providing consumer line-level outputs in addition to balanced mic-level outputs that allow you to connect a record player to pro audio equipment such as mixing consoles and recording interfaces.
Combination RIAA phono preamp and DI Box
Stereo RCA, 1/4″ TRS, 3.5mm and XLR outputs
Built-in low frequency rumble filter
Choice of 48V phantom power or DC power supply
A DI box for your turntables
The J33 provides the ability to connect turntables to pro audio equipment such as a recording interfaces and mixers, allowing you to easily integrate your vinyl collection with studio gear for playback or recording. Balanced XLR mic-level outputs are available for connection to a mic preamplifier for archiving or sampling in the studio, and -10dB consumer line-level outputs are also provided to connect to home stereo equipment. The J33 can also be used in a live performance environment, offering an improved interface for DJs to connect to the PA system.
J33 Specifications
The Radial J33 is a combination stereo phono preamp and direct box designed for dynamic cartridges. Careful attention has been paid to delivering a smooth sounding RIAA transfer curve while keeping noise down to the absolute minimum for the noise-prone world of 33 RPM long-play records. Both unbalanced consumer line level and balanced mic level outputs are supported.
Specifications
Block Diagram
Graphs
Specifications
Audio circuit type: Active circuit
Number of channels: Stereo
Frequency response: RIAA response curve for phonographic playback
Dynamic range: 91dB
Total harmonic distortion: 0.002% @ 1kHz (-33dBu input level)
Intermodulation Distortion: 0.025% @ -45dBu input
Input Impedance: 47k Ohms, unbalanced
Output Impedance: XLR out: 600 Ohms; ?", 3.5mm, RCA outs: 470 Ohms
Equivalent Input Noise: -82dBu @ 0dBu output
Maximum Input: -30dBu @ 1kHz
Voltage Gain: +37.8dB
Features
HPF
Input Connectors: RCA
Output Connectors: RCA, 1/4", 3.5mm, XLR
Extras: Rumble Filter
General
Construction: 14-gauge steel chassis and outer shell
Size (L x W x D): 5" x 6.25" x 2" (127 x 159 x 51mm)
Weight: 2.80lbs (1.28 kg)
Power: +48V phantom or +15VDC/400mA external supply (included)
Conditions: For use in dry locations only between 5°C and 40°C
Warranty: Radial 3-year, transferable
