
Lundahl LL2912 Ribbon Microphone Transformer
 
		    	
Design
Mathematical and design analysis of the highly successful 1953 RCA ribbon microphone transformer together with new materials offer a new standard.
Magnet Wire
All units are wound with the finest virgin copper magnet wire. All windings use heavy insulated wire to provide excellent manufacturing yield, lower customer cost and superior life.
The Core
EDCOR uses the finest Super "Q" 80% Nickel cores. Each unit is hand stacked to assure at least 92% stack.
The Bobbins
EDCOR's royal blue bobbin with black finishing tape.
Termination
This unit has color coded 4", UL1007, 24 ga. lead wire.
Documents RMX1 Manual
  RMX1 Manual Frequency Response/THD+N Plot
  Frequency Response/THD+N Plot Drawing 15000-EI025-025-R01.pdf
  Drawing 15000-EI025-025-R01.pdf Drawing 15000-EI025-025-R01.dwg
  Drawing 15000-EI025-025-R01.dwg Drawing 15000-EI025-025-R01.dxf
  Drawing 15000-EI025-025-R01.dxf
| Turns Ratio | 1:37 | 
| Primary (input) DCR | <0.4 Ohms | 
| Primary (input) Inductance | <1H | 
| Secondary (output) DCR | 87 Ohms | 
| Measures | 26mm x 19mm x 18mm (L x W x H) | 
| Secondary (output) Inductance | 6H | 
| Frequency Response | 50~20K Hz., <1dBu | 
| THD+Noise | <0.02% @ 1K Hz. | 
| Copper Shielding | Yes | 
| Bobbin Material | Glass Filled Nylon 6/6 | 
| Flamability Rating | Class B 130°C | 
| Core Material | Super Q 80 Nickel (80%) | 
| Termination | UL1007, 24 ga. lead wire | 
| Weight | 0.08 lbs. | 
| Compliance | RoHS & REACH | 
			We ship worldwide!
			 
| Europa Letter: | only 9,95EUR | 
| World Letter: | only 9,95EUR | 
| World parcel: | from 14,90EUR | 
