Marantz 500

Little is documented about the Marantz 500, and what exists comes with a complication. The model appears in period equipment databases as an amplifier. One source, hifi-wiki.com, lists it under the page title "Marantz 2252B" and calls the unit "Marantz 500 (2252B)." The record never explains whether the 500 is a variant of the 2252B receiver, a related product, or just conflated with it in that listing. So it's hard to say with certainty what the 500 actually was.

Here is what can be stated plainly. The Audio Database categorizes the Marantz 500 as an amplifier, and its listed weight is 23.0 kg (approximately 50.7 lbs). That's heavy, which suggests serious transformers and chassis metal. No power output, frequency response, or circuit details are documented for the 500 specifically. The wattage figures often found near this model belong to the 2252B and should not be attributed to the 500.

Listed category: Amplifier (Audio Database)
Weight: 23.0 kg / 50.7 lbs
Identity note: hifi-wiki.com pairs the 500 with the 2252B receiver, unresolved

No production years, original price, or design details for the Marantz 500 have surfaced. A period review in Studio Sound (September 1972, p.79) documents power amplifier specifications, including input sensitivity of 0.775V or 0.250V for 100W into 15 ohms at 1 kHz, and a damping factor of 200 with a 15 ohm load. Anyone with a catalog page that clears up the 2252B connection is welcome to send in a correction.