Many people recognize this as a
reproduction of the old Sadelta Echo Master Plus microphones.
They are very loud with Echo control and a switch-able roger
beep circuit.
Type: Electret
Output Level: 0 to 1.4v
Frequency response: 200 - 3000 hz
Impedance: 1K Ohms
Load impedance: 50 ohm to 100K ohm
Roger Beep TX time. 1/2 sec (approx)
Power: 9v battery or regulated power supply
Current drain: 8 mA (TX)
Weight : 2 lbs.
Shipping Weight: 4 lbs.
NOTE: "Very loud" also means it is more susceptible to an RF
oscillation (squeal). This mic requires a well grounded station.
......DISCONTINUED......
This
item is still available for sale across the internet but
we have decided to stop selling it due to poor quality
of manufacture. We had to fix 5 out of 10 of these as
soon as we open the box.