Sowter Audio Transformers (E A Sowter Ltd.)
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PUSH-PULL OUTPUT
U058 PP Output for EL34 Fixed Bias
3500 ohms Rla-a. 65 W at 50 Hz. For guitar amplifier. Will produce harmonic colouration on overload. 130 mA per side. 30 Hz to 30 kHz. Suitable for VOX AC50 4 Mk2 (Please check dimensions, package style and secondary option). Size L
See specification
Price: £180.20
Secondary option
16/8/4 (4 separate windings)
Single 8 ohms
Single 6 ohms
8 ohms tapped at 4
16 ohms tapped at 8
16 ohms tapped at 8 and 4
Twin 4 ohms
Other
Package style
Fully shrouded style "S"
Open frame style "O"
Drop through style "T"
UA21 PP Output for EL34 UL 43% taps
6600 ohms Rla-a. 40 W at 20 Kz. 120 mA per side. 20 Hx to 40 kHz. Size N.
Suitable for MULLARD 20W, LEAK STEREO 20 EL34 PP AMP and
DYNACO STEREO ST70 AMP.
See specification
Price: £190.98
Secondary option
16/8/4 (4 separate windings)
Single 8 ohms
Single 6 ohms
8 ohms tapped at 4
16 ohms tapped at 8
16 ohms tapped at 8 and 4
Twin 4 ohms
Other
Package style
Fully shrouded style "S"
Open frame style "O"
Drop through style "T"
U057 Output for EL34 Triode or UL
10000/6600 ohms Rla-a. 20W at 20 Hz. 100 mA per side. 20 Hz to 30 kHz. Size M
Price: £185.44
Secondary option
16/8/4 (4 separate windings)
Single 8 ohms
Single 6 ohms
8 ohms tapped at 4
16 ohms tapped at 8
16 ohms tapped at 8 and 4
Twin 4 ohms
Other
Package style
Fully shrouded style "S"
Open frame style "O"
Drop through style "T"
U059 PP Output for 2 pairs EL34 UL/Triode
1750 ohms Rla-a. 100 W at 20 Hz. 250 mA per side. For 2 parallel pairs EL34. 10 Hz to 40 kHz. Size P
See specification
Price: £236.29
Secondary option
16/8/4 (4 separate windings)
Single 8 ohms
Single 6 ohms
8 ohms tapped at 4
16 ohms tapped at 8
16 ohms tapped at 8 and 4
Twin 4 ohms
Other
Package style
Fully shrouded style "S"
Open frame style "O"
Drop through style "T"
U060 PPP Output for 3 pairs EL34
3700 ohms Rla-a. 200 W at 20 Hz. 275 mA per side. For 3 parallel pairs EL34 Pentode. 10 Hz to 40 kHz. Size T
Price: £379.82
Secondary option
16/8/4 (4 separate windings)
Single 8 ohms
Single 6 ohms
8 ohms tapped at 4
16 ohms tapped at 8
16 ohms tapped at 8 and 4
Twin 4 ohms
Other
Package style
Fully shrouded style "S"
Open frame style "O"
Drop through style "T"
U061 PPP Output for 3 pairs EL34 UL
2200 ohms Rla-a. 100 W at 20 Hz. 300 mA per side. For 3 parallel pairs EL34. Ul 43% taps. 10 Hz to 50 kHz. Size P
See specification
Price: £236.29
Secondary option
16/8/4 (4 separate windings)
Single 8 ohms
Single 6 ohms
8 ohms tapped at 4
16 ohms tapped at 8
16 ohms tapped at 8 and 4
Twin 4 ohms
Other
Package style
Fully shrouded style "S"
Open frame style "O"
Drop through style "T"
U062 PPP Output for 6 pairs EL34 UL
1700 ohms Rla-a. 150W at 20 Hz. 400 mA per side. For 6 parallel pairs EL34 UL 43% taps. 10 Hz to 40 kHz. Size Q
Price: £305.58
Secondary option
16/8/4 (4 separate windings)
Single 8 ohms
Single 6 ohms
8 ohms tapped at 4
16 ohms tapped at 8
16 ohms tapped at 8 and 4
Twin 4 ohms
Other
Package style
Fully shrouded style "S"
Open frame style "O"
Drop through style "T"
U082 PP output for EL84 UL
8000 ohms Rla-a. 40 W at 20 Hz. 200 mA per side. Also suitable for KT66, 6CA7 etc. Very high bandwidth. Only available in single 6 or single 8 ohms. 10 Hz to 80 kHz. Size P
Specification
Price: £236.29
Package style
Fully shrouded style "S"
Open frame style "O"
Drop through style "T"
Secondary option
Single 8 ohms
Single 6 ohms
U082 PP output for EL84 UL Encapsulated Package
8000 ohms Rla-a. 40 W at 20 Hz. 200 mA per side. Also suitable for KT66, 6CA7 etc. Very high bandwidth. Only available in single 6 or single 8 ohms. 10 Hz to 80 kHz. Size P+
Specification
Price: £339.36
Package style
Fully shrouded style "S"
Open frame style "O"
Drop through style "T"
Secondary option
Single 8 ohms
Single 6 ohms
U063 PP Output for EL84 Triode
15,000 ohms Rla-a. 4 W at 20 Hz. 40 mA per side. For EL34 or EL84 triode connected. 20 Hz to 30 kHz. Size F
Price: £135.77
Secondary option
16/8/4 (4 separate windings)
Single 8 ohms
Single 6 ohms
8 ohms tapped at 4
16 ohms tapped at 8
16 ohms tapped at 8 and 4
Twin 4 ohms
Other
Package style
Fully shrouded style "S"
Open frame style "O"
Drop through style "T"
U064 PP output for EL84 UL
8000 ohms Rla-a. 10W at 30 Hz. 80 mA per side. Choice of 43% or 20% UL taps. 25 Hz to 30 kHz. Size F
Price: £135.77
Secondary option
16/8/4 (4 separate windings)
Single 8 ohms
Single 6 ohms
8 ohms tapped at 4
16 ohms tapped at 8
16 ohms tapped at 8 and 4
Twin 4 ohms
Other
Package style
Fully shrouded style "S"
Open frame style "O"
Drop through style "T"
UL Tap %
43%
20%
U065 PP Output for 2 pairs EL84 UL
4000 ohms Rla-a. 30 W at 20 Hz. 100 mA per side. For 2 pairs parallel connected EL84. 43% UL taps. 20 Hz to 30 kHz. Suitable for Vox AC30. Size M
Price: £185.44
Secondary option
16/8/4 (4 separate windings)
Single 8 ohms
Single 6 ohms
8 ohms tapped at 4
16 ohms tapped at 8
16 ohms tapped at 8 and 4
Twin 4 ohms
Other
Package style
Fully shrouded style "S"
Open frame style "O"
Drop through style "T"
U066 Multi Purpose PP Output
10000/5000/2500 Rla-a Up to 20W at 20 Hz. For 5881, El34,6550, 6L6,KT66 etc. Primary can be configured for various loads without loss of bandwidth. 150 mA per side. Cathode feedback winding provided. 20 Hz to 30 kHz. Size L
Specification
Price: £180.20
Secondary option
16/8/4 (4 separate windings)
Single 8 ohms
Single 6 ohms
8 ohms tapped at 4
16 ohms tapped at 8
16 ohms tapped at 8 and 4
Twin 4 ohms
Other
Package style
Fully shrouded style "S"
Open frame style "O"
Drop through style "T"
UA23 PP Output for KT66 UL Cathode bias
8000 ohms Rla-a. 30W at 15 Hz. 125 mA per side. For UL or Tetrode cathode bias. 20 Hz to 30 kHz. Size N
Suitable for LEAK TL12, TL25 PP OUTPUT.
Se spcification
Price: £190.98
Secondary option
16/8/4 (4 separate windings)
Single 8 ohms
Single 6 ohms
8 ohms tapped at 4
16 ohms tapped at 8
16 ohms tapped at 8 and 4
Twin 4 ohms
Other
Package style
Fully shrouded style "S"
Open frame style "O"
Drop through style "T"
UA31 PP Output for KT66 UL Fixed bias
8000 ohms Rla-a. 50 W at 20 Hz. 120 mA per side. 20 Hz to 30 kHz. Size P
Price: £236.29
Secondary option
16/8/4 (4 separate windings)
Single 8 ohms
Single 6 ohms
8 ohms tapped at 4
16 ohms tapped at 8
16 ohms tapped at 8 and 4
Twin 4 ohms
Other
Package style
Fully shrouded style "S"
Open frame style "O"
Drop through style "T"
U067 Output transformer for UCL82 etc.
9000 ohms Rla-a. 10 W at 20 Hz. 60 mA per side. For use with UCL82 20. Suitable for Cadet III amplifier. Dimensions may vary from original. Hz to 30 kHz. Size J
Price: £174.72
Secondary option
16/8/4 (4 separate windings)
Single 8 ohms
Single 6 ohms
8 ohms tapped at 4
16 ohms tapped at 8
16 ohms tapped at 8 and 4
Twin 4 ohms
Other
Package style
Fully shrouded style "S"
Open frame style "O"
Drop through style "T"
U069 PP Output for KT88 Cathode bias
6600 ohms Rla-a. 50W at 20 Hz. 150 mA per side. For KT88 or 6550 Cathode bias GEC circuit or Leak TL50. 10 Hz to 55 kHz. Size P.
Data sheet
Price: £236.29
Secondary option
16/8/4 (4 separate windings)
Single 8 ohms
Single 6 ohms
8 ohms tapped at 4
16 ohms tapped at 8
16 ohms tapped at 8 and 4
Twin 4 ohms
Other
Package style
Fully shrouded style "S"
Open frame style "O"
Drop through style "T"
U027 PP Output for KT88 Fixed bias
5000 ohms Rla-a. 50W at 20 Hz. 180 mA per side. 43% UL taps. For KT88 or 6550 Fixed bias for circuit in GEC application report 3. 10 Hz to 50 Hz. Size N
Price: £190.98
Secondary option
16/8/4 (4 separate windings)
Single 8 ohms
Single 6 ohms
8 ohms tapped at 4
16 ohms tapped at 8
16 ohms tapped at 8 and 4
Twin 4 ohms
Other
Package style
Fully shrouded style "S"
Open frame style "O"
Drop through style "T"
U070 PP Output for KT88 Fixed Bias.
4500 ohms Rla-a. 100W at 25 Hz. 200 mA per side. For fixed bias with 40% UL taps.
Suitable for GEC 100W T1, DYNACO MkIII 60W. Size P
Price: £236.29
Secondary option
16/8/4 (4 separate windings)
Single 8 ohms
Single 6 ohms
8 ohms tapped at 4
16 ohms tapped at 8
16 ohms tapped at 8 and 4
Twin 4 ohms
Other
Package style
Fully shrouded style "S"
Open frame style "O"
Drop through style "T"
U071 PPP Output for 2 pairs KT88 Fixed bias
2250 ohms Rla-a. 200W at 20 Hz. For 2 parallel pairs KT88 or 6550 GEC circuit. 250 mA per side. 10 Hz to 60 kHz. Size Q
See specification
Price: £300.06
Secondary option
16/8/4 (4 separate windings)
Single 8 ohms
Single 6 ohms
8 ohms tapped at 4
16 ohms tapped at 8
16 ohms tapped at 8 and 4
Twin 4 ohms
Other
Package style
Fully shrouded style "S"
Open frame style "O"
Drop through style "T"
U072 PPP Output for 5 pairs KT88 Fixed bias.
1000 ohms Rla-a. 400W at 40 Hz. 400 mA per side. 5 parallel pairs of KT88 or 6550 GEC circuit. For guitar amplifier. Will produce harmonic colouration on overload. 20 Hz to 40 kHz. Size Q
Price: £300.06
Secondary option
16/8/4 (4 separate windings)
Single 8 ohms
Single 6 ohms
8 ohms tapped at 4
16 ohms tapped at 8
16 ohms tapped at 8 and 4
Twin 4 ohms
Other
Package style
Fully shrouded style "S"
Open frame style "O"
Drop through style "T"
U073 PP Output for 6L6
3800 ohms Rla-a. 30 W at 50 Hz. 100 mA per side. For guitar amplifier. Will produce harmonic colouration on overload. 30 Hz to 30 kHz. Size J
Price: £174.72
Secondary option
16/8/4 (4 separate windings)
Single 8 ohms
Single 6 ohms
8 ohms tapped at 4
16 ohms tapped at 8
16 ohms tapped at 8 and 4
Twin 4 ohms
Other
Package style
Fully shrouded style "S"
Open frame style "O"
Drop through style "T"
U074 PP Output for SV811-10 Class A
10000 ohms Rla-a. 50W at 20 Hz. 100 mA per side. 20 Hz to 40 kHz Size Q
Price: £300.06
Secondary option
16/8/4 (4 separate windings)
Single 8 ohms
Single 6 ohms
8 ohms tapped at 4
16 ohms tapped at 8
16 ohms tapped at 8 and 4
Twin 4 ohms
Other
Package style
Fully shrouded style "S"
Open frame style "O"
Drop through style "T"
U075 PPP Output for SV811-10 Class AB2
5000 ohms Rla-a for 2 pairs.. 120 W at 20 Hz. 320 ma per side. 10 Hz to 40 kHz. Size Q
Price: £300.06
Secondary option
16/8/4 (4 separate windings)
Single 8 ohms
Single 6 ohms
8 ohms tapped at 4
16 ohms tapped at 8
16 ohms tapped at 8 and 4
Twin 4 ohms
Other
Package style
Fully shrouded style "S"
Open frame style "O"
Drop through style "T"
U076 PP Output for 813 UL 43% taps
7000 ohms Rla-a. 80 W at 25 Hz. 200 mA per side. 10 Hz to 40 kHz. Size P
Price: £236.29
Secondary option
16/8/4 (4 separate windings)
Single 8 ohms
Single 6 ohms
8 ohms tapped at 4
16 ohms tapped at 8
16 ohms tapped at 8 and 4
Twin 4 ohms
Other
Package style
Fully shrouded style "S"
Open frame style "O"
Drop through style "T"
U077 PP Output for 6C33C-B Class A
1200 ohms Rla-a. 75W at 20 Hz. 200 mA per side. 10 Hz to 50 kHz. Size P
Price: £236.29
Secondary option
16/8/4 (4 separate windings)
Single 8 ohms
Single 6 ohms
8 ohms tapped at 4
16 ohms tapped at 8
16 ohms tapped at 8 and 4
Twin 4 ohms
Other
Package style
Fully shrouded style "S"
Open frame style "O"
Drop through style "T"
U078 PP Output for 6C33C-B Class A
600 ohms Rla-a. 100W at 20 Hz. 300 mA per side. 10 Hz to 50 kHz. Size P
Price: £236.29
Secondary option
16/8/4 (4 separate windings)
Single 8 ohms
Single 6 ohms
8 ohms tapped at 4
16 ohms tapped at 8
16 ohms tapped at 8 and 4
Twin 4 ohms
Other
Package style
Fully shrouded style "S"
Open frame style "O"
Drop through style "T"
U079 P Output for 300B Class A
5000 ohms Rla-a. 30W at 20 Hz. 150mA per side. 10 Hz to 40 kHz. Size M
Price: £185.44
Secondary option
16/8/4 (4 separate windings)
Single 8 ohms
Single 6 ohms
8 ohms tapped at 4
16 ohms tapped at 8
16 ohms tapped at 8 and 4
Twin 4 ohms
Other
Package style
Fully shrouded style "S"
Open frame style "O"
Drop through style "T"
9092 PP Output for 300B Class A
7000 ohms Rla-a. 50 W at 10 Hz. 100 ma per side. 5Hz to 80 kHz. A very conservative design for the enthusiast who wants a "no expense spared" transformer. Benefits are very low loss and distortion. High bandwidth and damping. Impressive 12.1 kg size R.
Spec
Price: £486.65
Secondary option
16/8/4 (4 separate windings)
Single 8 ohms
Single 6 ohms
8 ohms tapped at 4
16 ohms tapped at 8
16 ohms tapped at 8 and 4
Twin 4 ohms
Other
Package style
Fully shrouded style "S"
Open frame style "O"
Drop through style "T"
U080 PP Output for 6V6 Class A
8000 ohms Rla-a. 15W at 50 Hz. 100 mA per side. 30 Hz to 70 kHz. Low cost transformer for guitar or starter amplifier.. Size F
Specification
Price: £135.77
Secondary option
16/8/4 (4 separate windings)
Single 8 ohms
Single 6 ohms
8 ohms tapped at 4
16 ohms tapped at 8
16 ohms tapped at 8 and 4
Twin 4 ohms
Other
Package style
Fully shrouded style "S"
Open frame style "O"
Drop through style "T"
U081 PP Output for 211 (VT-4-C)
20000 ohms. 50W ar 20 Hz. 200 mA per side. 10 Hz to 40 kHz. Size R
Price: £486.65
Secondary option
16/8/4 (4 separate windings)
Single 8 ohms
Single 6 ohms
8 ohms tapped at 4
16 ohms tapped at 8
16 ohms tapped at 8 and 4
Twin 4 ohms
Other
Package style
Fully shrouded style "S"
Open frame style "O"
Drop through style "T"
U083 PP Output for 805 Class A
7000 ohms Rla-a. 100W at 20 Hz. 200 mA per side. 10 Hz to 40 kHz. Size Q
Specification
Price: £300.06
Secondary option
16/8/4 (4 separate windings)
Single 8 ohms
Single 6 ohms
8 ohms tapped at 4
16 ohms tapped at 8
16 ohms tapped at 8 and 4
Twin 4 ohms
Other
Package style
Fully shrouded style "S"
Open frame style "O"
Drop through style "T"
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