Introduction:

This preamp is reference the famous Marantz 7 Circuit ,The carefully tuned M7 is very comprehensive and dynamic. The human voice is natural and delicate, the strings are smooth, stretched, and the positioning and imaging are excellent. The high and low frequencies are extended in place, and the low frequencies dive deep and powerful without lack of flexibility.

There are many tube preamp on the Internet design is not very reasonable. The main manifestation is that the distance between the tubes is too close. ZERO-ZONE suggests that the distance between the center of each is greater than 40mm.

With remote control: Power on/off choose input Adjust volume Mute, Rotate the Right one selector knob is choose inputs. press the selector is standby. Rotate the left knob is adjust the volume

Using 3 pcs Shuguang ECC83 tubes, Hi-end Oxygen-free copper R-core transformer, Origianl Japan ALPS Potentiometer. High quality frosted Pure copper RCA. Support 4 way stereo audio inputs,1 way output.

● Input voltage: AC V or 230V (Optional)

● Gain: about 10 times.

● input impedance:47K

● SNR: 90dB;

● Frequency response: 10Hz--30KHz;

● Distortion: ≤1%.

● Size:362*98*340MM (W*H*D)

● Weight: About 6.5KG

Package include:

PRT-07B Tube remote control preamplifier X1

Remote                                                                          X1 (No battery)

NOTE:We do not provide any cables.