...The history cannot forget the Marantz 1060...
The 1060 is a lovely little amplifier. Capacitor coupled. Conservatively specified and arguably one of the prettiest vintage designs due to its perfect symmetrical front panel layout.
It does have a somewhat 'tailored' response and that is why it has a reputation for 'sweetness' and 'warmth' along with average damping at low frequencies being quite suited IMO to the speakers of the 70s.
This gives you an idea of the flatness or lack thereof of the 1060. This is the FR plot at 1W@8ohms for a fully restored kept in box unit, I did a few years ago (2016). It was one my father has owned since new and spent around 40 years in its box. It needed considerable work due to leaked capacitors and got a complete rebuild. I remember singing into microphones plugged into this actual 1060 in 1973 or '74 and him recording us on an open reel deck.
(flat, low and high filters) 1W@ 8 ohms
FR 20W@8ohm and 30W@8ohm:
Power output is exactly as was tested by major magazines back in the day when it received 'rave' reviews (38W/Ch). The 1060 may have been quite good at the time, but it was quickly eclipsed. It was rated at 30 watts per channel. This one achieved somewhat more.
Note, this was a simple onset of clipping test after preconditioning for 1 hour @1/3 power (10W) @ 8ohms. Notice the case temperature at 49 degrees Celscius (120F).