丹麦极品步进式电位器
世界众多名器的终极选择!
DACT选择开关-5位 ￥700
DACT单声道电位器 50K,100K,250K ￥850
DACT立体声电位器 50K,100K,250K ￥1050
DACT真正平衡式电位器 50K,100K,250K ￥2200
－ DACT 旋 扭 不锈钢音响等级最好材料，没有介质损失，质感和手感都是一流
DanishAudio ConnecT. High quality audio parts.High-End Audio Parts for Hi-Fi, A/V and Pro-Audio. DACT products are used by audio and A/V audio equipmentmanufacturers and by DIY audiophiles throughout the world. DACT audio components include stepped audio attenuators, audio bbalance controls, audio inputselector switches,stereo phono stage/RIAA preamplifier modules, stereo line stage/linear preamplifier modules and audio power supplies.
- DACT 线路板 Connection
FEATURES . Compact design. Dual-mono. Very low noise . Balanced output option . Non-inductive low noise SMD metal film resistors . Input accepts moving coil/moving magnet (MC/MM) cartridges directly without step-up transformer . Input loading 10 Ohm to 47kOhm for MC/MM selectable in 21 steps . Input nominal levels 0.1mV to 10mV selectable in 34 steps . High output drive. Balanced 28V. Unbal. 14V . High accuracy RIAA equalization with 0.05dB tolerance . Additional time constants of 3.18uS and/or 7950uS are selectable . Total harmonic distortion 0.0003% . Low output impedance - drives long signal cables . High output current capability - drives even high impedance headphones . Two-stage dual-supply voltage regulator on- board for each channel. Separate DC supply input for each channel (dual mono)
Key specifications / key features
. Ready-assmbled module, tested, ready for connecting to
audio electronics circuits.
. Includes 100-250VAC mains adapter ready for connecting
to the mains.
. Output voltage (customer selectable): +/-15VDC or +/-20VDC
. Max. output current: 200mA
. Peak output current: 10A min.
. Output shortcircuit protected
. Output impedance: 0.001ohm at 1kHz, 0.002ohm at 20kHz
0.006ohm at 100kHz
. Output noise (IHF A): -126dB
. PCB dimensions (L x W): 100mm x 90mm (3.54” x 3.94”)
. Reduced capacitative coupling to the mains by using
filtered switch mode mains adapter
SPECIAL FEATURES
. Selectable gain 0, 6 or 12dB . Wide power supply voltage range . Low supply current . Use of special active devices and SMD resistors for low distortion, large bandwidth and superb sound . Compact PCB, low inductance, low stray capacitance . True dual-mono when using separate power supply for each channel . SMD power supply decoupling capacitors . Dual supply voltage regulators for each channel . All connectors and PCB traces gold plated . Drives difficult loads / long cables
* 24级步进式电位器 * 精密、无感抗、低噪音金属氧化薄膜SMD晶片电阻 * 左右声道完全配对，误差小于0.05% * 总谐波失真小于0.0001% * 频宽高达50MHz * 所有信号通道为镀金设计 * 消除电感量和减除电容量 * 非常完美精密的设计，寿命高达25000次以上
DACT25mm旋扭￥200 DACT30mm旋扭￥250
DACT38mm旋扭￥300 DACT50mm旋扭￥550
.Number of steps: 24
.Bandwidth: 50MHZ
.Channel matching: + 0.05%dB
.Attenuation accuracy: 0.05%dB
.THD: 0.0001%
.Mechanical life: min 25000 cycles
.Available: 50K, 100K, 250K
特性及优点：
- Low noise, non-inductive, metal film SMD resistor network
低噪音、无感金属膜SMD晶片电阻
- Compact design
精致的设计
- Entire signal path gold plated
镀金信号输出线路
- Shorter signal path than conventional attenuators with
leaded resistors
精密电阻设计， 信号传输快
- Reduced inductance and stray capacitance
减少电感量和杂散电容量
- Improved sonic quality
提升音质
- Improved accuracy - 0.05dB tracking and 0.05dB attenuation
accuracy 精确度高达每0.05dB
- Improved reliability
优秀的性能
- Increased bandwidth
改善频宽
- Reduced distortion, less than 0.0001%
失真率小，仅为0.0001%
Last update 1/08/06
Email: xiaohuang-audio@163.com Tel: +86 755 88391189 Fax: 88391223