VOLUME UP - THIS is the 1974 #Marantz 4400 Quadradial Stereo Receiver. We're talking Mnt. Rushmore qualifying vintage audio gear here. It… | Instagram
![A Marantz 4400 I recently repaired. These scope units are really something special. : r/vintageaudio A Marantz 4400 I recently repaired. These scope units are really something special. : r/vintageaudio](https://external-preview.redd.it/xPMJYbscN5QLtwT1_OMNyrMP4SZOJf5hEDHTF0aDkv4.jpg?auto=webp&s=7b9c2ae510027dee5c6a6e5a03ddee12b29d6242)
A Marantz 4400 I recently repaired. These scope units are really something special. : r/vintageaudio
![UPDATE!!! OSCILLOSCOPE FUNCTIONAL!!! Excellent Condition Marantz 4400 with SQ Adapter Photo #1779620 - US Audio Mart UPDATE!!! OSCILLOSCOPE FUNCTIONAL!!! Excellent Condition Marantz 4400 with SQ Adapter Photo #1779620 - US Audio Mart](https://img.canuckaudiomart.com/uploads/large/1779620-excellent-condition-marantz-4400-with-sq-adapter-oscilloscope-nonfunctional.jpg)
UPDATE!!! OSCILLOSCOPE FUNCTIONAL!!! Excellent Condition Marantz 4400 with SQ Adapter Photo #1779620 - US Audio Mart
![Marantz 4400 Vintage AM/FM Receiver Quadradial 125 WPC with Wood Case (pre-owned) - Audiolab Stereo & TV Marantz 4400 Vintage AM/FM Receiver Quadradial 125 WPC with Wood Case (pre-owned) - Audiolab Stereo & TV](https://cdn11.bigcommerce.com/s-th4cmi6da4/images/stencil/1280x1280/products/18046/75675/IMG_7067__97944.1678481713.jpg?c=2)