Product Details:
The QUDA22 tube preamp produces a clear and charming sound, with a rich tube flavor and high cost-effectiveness
This preamp circuit comes in two versions, one with 6Z4 rectifier and one with 6X4 rectifier. To switch between the two versions, simply manually change the two red jumpers.
Adopting Taiwan-made pure copper RCA, Japanese ALPS27 type volume potentiometer, oxygen-free copper signal cable, and copper pin resistor.
Double-sided PCB with HASL (Hot Air Solder Leveling) process
All-aluminum alloy chassis, solid aluminum knob
The noise output is less than 1mV, making it almost inaudible. The signal-to-noise ratio is high
The QUDA22 preamp, equipped with a delay output function, effectively prevents impact on power amplifiers and audio systems.
Parameter:
Distortion: 0.00792%
Frequency response: 5Hz-30KHz (-1db)
Sensitivity: 300mV
Minimum input: 1mV
Maximum output: 22V
Magnification: 10.7x
Weight: 4.6kg
Size:W240*L330*H90mm
List:
QUDA22 tube preamplifier x 1















