Are there any Onkyo m 504 amps that are good?

In this year of 2018 moth m-504 amplifiers are getting a bit “long in the tooth” so they MUST be serviced to find any problems. These vintage “M” series amps from Onkyo are unbelievable. When these were designed/built NO amps from Japan could get better than a “passing” grade regardless of the quality, innovation and sound.

How much does the Onkyo m 5000A amplifier cost?

Today Onkyo’s flagship the m 5000a has a list price of 2499.00 and,,, the specs are,,, well,,, not as good as the m-504. Closer to the m-502. Are a few of the new tricks worth giving up power and cleanliness?

When did the moth M-504 AMP come out?

And according to “The Vintage Knob” was able to output 2x 1.2KW at 1 Ohm…..IN 1987!!! In this year of 2018 moth m-504 amplifiers are getting a bit “long in the tooth” so they MUST be serviced to find any problems. These vintage “M” series amps from Onkyo are unbelievable.

What should I use to repair my Onkyo amplifier?

One issue with this onkyo amplifier is that two of the bulbs that light the meter’s are missing in action The lamps were easy to obtain but I didn’t have the green gel boot that was on the original lamp. I obtained some green lighting gel. I rolled the sheet of lighting gel around the lamp and used adhesive to keep it together.

In this year of 2018 moth m-504 amplifiers are getting a bit “long in the tooth” so they MUST be serviced to find any problems. These vintage “M” series amps from Onkyo are unbelievable. When these were designed/built NO amps from Japan could get better than a “passing” grade regardless of the quality, innovation and sound.

Today Onkyo’s flagship the m 5000a has a list price of 2499.00 and,,, the specs are,,, well,,, not as good as the m-504. Closer to the m-502. Are a few of the new tricks worth giving up power and cleanliness?

And according to “The Vintage Knob” was able to output 2x 1.2KW at 1 Ohm…..IN 1987!!! In this year of 2018 moth m-504 amplifiers are getting a bit “long in the tooth” so they MUST be serviced to find any problems. These vintage “M” series amps from Onkyo are unbelievable.

What does the Onkyo Grand Integra M-508 power amplifier look like?

The M-508 is an impressive-looking piece of hardware, with good, clean metalwork finished in flat black on all sides, and two unusually large (6!9 wide), black front-panel meters. Their calibrations and indicator needles are edge-lit in what might be described as rain-forest green, making for quite a sexy appearance.