SOWTER AUDIO TRANSFORMERS
API MIC/LINE PREAMP INPUT TRANSFORMER

SOWTER TYPE 9820 
API 312 Input Transformer replacement for type AP2622 - BUY

9820 Frequency Response
XXX

APPLICATION

Replacement for AP2622 in the AP312 mic pre amp with the 2520 all discrete OP amp. For schematic CLICK HERE.  Primary has 2 equal 150 ohm windings which can be used in series or parallel for 600/150 ohms input. ratio 1:4.4 or 1:8.8.

FEATURES

100% mumetal core and can. 34 mm dia 24 mm high. . Available with threaded grommet (style e), PCB pins (style c) and side leads (style f). To see dimensions etc CLICK HERE

RATIO  
IMPEDANCE RATIO  
MAXIMUM LEVEL 0.5 % THD at 50 Hz (40 ohm source) dBu
PRIMARY INDUCTANCE H approx
DC Resistance (primary) Ohms approx
DC Resistance (secondary) Ohms approx
FREQUENCY RESPONSE XXXX Ohm source XXXX Ohm load. (-3 dB points)  
9820 connections
9820 pcb connections