Details:

Base on America CAT SL-1 tube preamplifier

Work voltage ：AC115V and AC230V optional

Size：430 x 90x300mm (Expect Rca and knob)

Package weight:7.9kg

Volume weight: :9kg

Support 4 ways audio input + 1 way audio output

Match tube:
12AU7 or ECC82 x1
12AX7 or ECC83 x2
6N11 or 6DJ8 or ECC88 x1

Full aluminum chassis
Pure copper transformer
Gold-plated pcb
Gold-plated tube seat
Wima ,NCC,Elna,PILKOR capacitor
PILKOR ，dale resistance

Remote control volume :

128-level relay pure resistance shunt control

The input and output impedance is constant, the step is 0.5db, and the total attenuation is 63.5dB.

The resistance adopts American DALE/VISHAY
precision resistance

4 ways audio input options

1 way audio output

Remote control function:
Power on/off
Input choose
Adjust volume
Mute
Memory
One key return

Encoder function:

Press the power switch on the left encoder, and rotate the audio input left and right.
Press the right encoder to mute, and rotate the volume left and right.

Resistance:default 50K，can provide 100K,if need ,pls add a note !

Display：default red ，also can provide blue ，if need ，pls add a note ！

Package included :

With tubes: With 6N11+12AX7+ECC82 tubes,not included AC power cord !

Without tubes: Not included 4pcs tubes ,not included AC power cord !

Remote x 1 (have no battery)