Harman Kardon 75+ receiver. Big sweet 45 watts/channel and unique joystick design to control upto 4 speakers balance simultaneously. Complete recap was done in 2023, ready for the next 20+ yrs.
Contains highly regarded H/K Twin Powered series, a technology used in its top-end amplifiers.Twin Power meant two AC transformers, one for both channels. Both channels also sport their own rectifier and filter capacitor set.
Power output: 45W/ch (stereo), 18W/ch into 8Ω (quadraphonic)
Excellent Phono / turntable preamp stage
Tuning range: FM, MW
Frequency response: 4Hz to 70kHz
Total harmonic distortion: 0.5%
Speaker load impedance: 4Ω to 16Ω
Dimensions: 16-5/8 x 15 x 5 inches
Weight: 28 pounds (yes it is that heavy)
This amp can play two sources simultaneously in 2 different rooms, able to connect 4 sets of speakers with front and back tone controls and joystick style balance.