Altec 670B Vintage RARE 1950 ' S Ribbon Microphone - Studio W/ Desk Stand
Item History & Price
| Reference Number: Avaluer:698016 | Model: 670B |
| Brand: Altec | Country/Region of Manufacture: United States |
| Country of Manufacture: United States | Type: Vintage Microphone |
| UPC: Does not apply |
Vintage ALTEC 670B Ribbon Microphone.
Condition: Good/Very Good - Tested - Working - Built in plastic Mic stand connector has been replaced with metal microphone clip. See photo of mic top - small tear in grille cloth on topMADE IN USAVintage Desk Mic Stand - SNYDER Manufacturing -USA
General
The 670 Microphone is a general purpose microphone of broadcast quality having a frequen...cy range that covers the complete audio spectrum. It consists of a ribbon element and a controllable acoustic labyrinth.
Directivity
The microphone has three basic directivity patterns as illustrated below. P pressure (omni-directional)
C cardioid
R ribbon (bi-directional)These basic patterns may be modified by placing the selector on the back surface of the microphone in intermediate positions. Such placement will result in a compromise between the adjoining patterns.
Impedance
The impedance selecting switch is located underneath the name plate on the front of the microphone. Position 1: 30 to 50 ohms. Position 2: 150 to 250 ohms.
Condition: Good/Very Good - Tested - Working - Built in plastic Mic stand connector has been replaced with metal microphone clip. See photo of mic top - small tear in grille cloth on topMADE IN USAVintage Desk Mic Stand - SNYDER Manufacturing -USA
General
The 670 Microphone is a general purpose microphone of broadcast quality having a frequen...cy range that covers the complete audio spectrum. It consists of a ribbon element and a controllable acoustic labyrinth.
Directivity
The microphone has three basic directivity patterns as illustrated below. P pressure (omni-directional)
C cardioid
R ribbon (bi-directional)These basic patterns may be modified by placing the selector on the back surface of the microphone in intermediate positions. Such placement will result in a compromise between the adjoining patterns.
Impedance
The impedance selecting switch is located underneath the name plate on the front of the microphone. Position 1: 30 to 50 ohms. Position 2: 150 to 250 ohms.
