SDR receiver fine work with Winrad software and other programs

My receiver contains three main blocks , I2S programmable synthesizer on Si5351 , digital demodulator , preamplifier on MOSFET.

Works on band 160m , 80m and 17m to 40m.

Several photos are below.

Tube amplifier made by Warmar

A tube amplifier consists of three tubes: one ECC83 and two ECL86. It has two audio analog high impedance inputs. In order to control sound you can use two potentiometers: treble and bass. Audio output power of this one is a few watts. Output impedance to monitors is 8 ohm.

The amplifier with three way monitors has excellent sound , perfectly deep bass tones and mature high registers. Sound is detailed with wide stereo base.

Amplifier upgrade includes the following post:

https://sp9mco.wordpress.com/2020/02/21/modernizacja-wzmacniacza-lampowego/

Some pictures are shown below the original version.