> SOWTER TYPE 3603 Balancing transformer SOWTER AUDIO TRANSFORMERS
BALANCING TRANSFORMER

SOWTER TYPE 3603

3603 600/600 isolator/Balancing transformer - BUY

Sowter 3603 Frequency response

Typical response 600 Ohms source 600 Ohm load.

 

PACKAGE OPTIONS

Available with and without Mumetal can. See here:

Sowter package styles

 

APPLICATION

Electrical isolation where the source is a low impedance. Creates a floating output from an unbalanced or balanced source which can be loaded balanced or unbalanced. For virtual elimination of most kinds of noise caused when equipments are connected. For helping to ensure Electromagnetic Compatibility (EMC) standards compliance. May be used for balanced to unbalanced conversion and vice versa. An ideal transformer for balancing the output of a pre-amplifier to enable it to drive a balanced line. The pre amp should have an output impedance up to 600 Ohms. The load can be any value equal or greater than 600 Ohms. See application circuit below. Can also be used as an input transformer for inputs with an impedance of up to 1200 Ohms.

FEATURES

High impedance presents minimal load to a source up to 600 Ohms even at 15 Hz. Mumetal core for minimal harmonic distortion. Internal electrostatic shield for high common mode noise rejection. Mumetal can for magnetic shielding. Secondary centre tap for phase splitting, Phanton powering etc. Various package options.
RATIO 1:1ct
MAXIMUM LEVEL 0.5 % THD at 50 Hz (40 ohm source) +17 dBu
DISTORTION at 50 Hz (Source 40 ohms) 0.05% at +20 dBu
PRIMARY INDUCTANCE 15H approx
TOTAL DCR (Referred to primary) 100 Ohms approx
INSERTION LOSS 10k ohm source 10k ohm load 1.0 dBu
INPUT/OUTPUT BALANCE >60 dB
FREQUENCY RESPONSE 6k4 ohm source 10k ohm load +/- 1.0 dB 5 Hz to 70 kHz

To balance a SINGLE ENDED PRE AMP

Balancing circuit for pre amp output