SOWTER TYPE U058


PUSH-PULL OUTPUT TRANSFORMER
for EL34 FIXED BIAS 
 Rl = 3500 Ohms

PACKAGE PACKAGE OPTIONS PART NUMBER
SIZE "L"

3.1 Kg

Fully shrouded U058-S
Drop through U058-T
Open frame U058-O
APPLICATION A robustly designed Push-Pull output transformer for use with two El34 or similar valves.  Power rating specified at 50 Hz for guitar use.  Replacement part for VOX AC50.
FEATURES 1 inch Grain Oriented (M6) laminated core for minimal losses and distortion. 14 section interleaved primary and secondary windings to give excellent bandwidth.  Two chamber bobbin ensures full capacity and resistance balance to eliminate distortion caused by transformer unbalance.  Low copper resistance to minimize losses and maximize loudspeaker damping. Single 8 ohm secondary windings.  Other secondary configurations can be selected at time of order.
POWER RATING 65 Watts at 50 Hz. 
  Primary Secondary
Nominal winding impedance 3500 ohms 8 ohms
Inductance 36.7 H 2.4 mH
DC Resistance 68 ohms 0.2 ohms
Leakage inductance 1.92 mH ref primary
DC current per side 130 mA max
Ratio (8 ohm configuration) 20.92 :1
Bandwidth 10 Hz to 100 KHz (-3 dB points typical)
Total Harmonic Distortion 0.05 % at 1 kHz full power
CONNECTIONS
E A Sowter Ltd
The Boatyard, Cullingham Road
IPSWICH IP1 2EG England
Tel: +44(0)1473 252794
Fax: +44(0)1473 236188
E-Mail sales@sowter.co.uk