ALPS RK27 "Blue Velvet" Quad Gang Motorized 

Features:

• Cubic design with 27-mm wide, 24.5-mm height and 23-mm deep. 
• 4 separate resistance chambers 10 mms separated and shielded of each other. 
• Septuplicate diversified wide slider made out special contact material. 
• Very tough, audiophiles rotary feeling.
• Synchronisation divergence of-60dB to 0dB within 2dB. 
• Damping level at left plot min. 90dB. 
• Fully compatible with all our motorized ppotentiometer control modules

Specifications:

Number of resistor elements:    Quad-unit
Mounting direction  :  Horizontal type
Fixing method of bushing :   Screw
Shaft types :   Flat
Length of the shaft :   20mm
Total resistance :   50kΩA
Resistance taper :   15A
Motor print terminal :    Without
Motor voltage :   4 to 6V DC (standard: 4.5V)
Potentiometer rotational speed:    12±3 sec/300° (4.5V DC)
Maximum operating current:    At rotation: 100mA/At end slip: 150mA
Operating temperature range:    -10℃ to +70℃

Electrical Performance    
Total resistance tolerance :   ±20%
Rated power :   0.05W
Maximum operating voltage :   30V AC
Maximum attenuation :   100dB min.
Gang error :   -70dB to 60dB 3dB max.
                       -60dB to 0dB 2dB max.
Insulation resistance :   100MΩ min. 500V DC
Voltage proof :   500V AC for 1 minute

Mechanical Performance :  

Total rotational angle :   300±3°
Rotational torque:   8 to 35mN·m
Stopper strength :   0.9N·m
Push-pull strength :    100N max.
Vibration :   10 to 55 to 10Hz/min., the amplitude is 1.5mm for all the frequencies, in the 3 direction of X, Y and Z and for 2 hours respectively
Durability :   Operating life    15,000 cycles

Applications:

Full Balanced Stereo Volume control / 4 Channel Volume Control