> SOWTER TYPE 9145 Neve 10468 Configurable Input Transformer SOWTER AUDIO TRANSFORMERS
MULTI PURPOSE INPUT TRANSFORMER

SOWTER TYPE 9145

High performance configurable input transformer
300/1200 Ohms to 1200/4800 Ohms - BUY

Sowter 9145 Frequency response

PACKAGE OPTIONS

Available with and without Mumetal can. See here: Sowter package styles

APPLICATION

For various uses as a microphone or line input transformer in a variety of situations. May be driven balanced or unbalanced and loaded balanced or unbalanced. Ideal for building into a pre amplifier or adding to existing equipment. Provides electrical isolation to minimize most kinds of noise caused when equipments are connected. Replacement for Neve 10468. An excellent microphone transformer.

FEATURES

Has two equal primary and two equal secondary windings which can be configured in series or parallel. 100% Mumetal core for minimal distortion and high dynamic range. Internal Electrostatic Screens to ensure optimum output balance. Phanton powering etc. Various package options. PCB Pins not available.
CONFIGURATION OPTIONS   (CT=Centre tap)
Primary
connection 		Secondary
connection 		Voltage ratio Primary Impedance Secondary Impedance max IP level 50 Hz
Parallel Parallel 1:2 300 ohms 1.2 kOhms +10 dBu
Parallel Series 1:4CT 300 ohms 4.8 kOhms +10 dBu
Series Parallel 1CT:1 1.2kOhms 1.2 kOhms +16 dBu
Series Series 1:2CT 1.2kOhms 4.8 kOhms +16 dBu
DISTORTION at 50 Hz (40 ohm source)
0.005%
INPUT/OUTPUT BALANCE
>60 dB
DC RESISTANCE Total referred to secondary (Both windings series connected)
190 ohms
FREQUENCY RESPONSE 1k ohm source 600 ohm load

+/- 0.5 dB 10 Hz to 60 kHz