Heathkit EA-2 Integrated Tube Amplifier 6BQ5/EL84 tubes to get a solid 12W RMS output Less than 1% distortion at full output over entire audio range (20-20KC) Full-range frequency response 20--20,000 CPS within ± 1 db at 12 watts output Built-in preamplifier--3 switch-selected inputs--RIAA equalization Tone control for Treble and BASS