There is no screw driver hole at the back of grill. But capsule has omni position as same as SONY C-37A. When you change polar pattern please open grill and change it. Comes with PSU and cable and Extension bar , mic stand adapter.I can't write lower declared value. I will do my best.
Vintage SONY C-37A Prototype Tube Microphone SET" is in sale since Monday, September 30, 2019. This item is in the category "Musical Instruments & Gear\Pro Audio Equipment\Vintage Pro Audio Equipment". The seller is "vintagemiclover" and is located in JAPAN. This item can be shipped worldwide.