Carnhill Transformers
Design Guide - Issue 1
Tel/Fax +44 (0)161 654 0748Email: [email protected]
Audio Maintenance Limited, Unit 10 Hanson Close Industrial Estate, Middleton, Manchester. M24 United Kingdom.
VTB 1148 - High Level Output Transformer[for Professional Audio Applications]
A high performance, no
compromise, professional audio
signal transformer primarily
intended for high level balanced line
output applications
Tel/Fax +44 (0)161 654 0748Email: [email protected]
Audio Maintenance Limited, Unit 10 Hanson Close Industrial Estate, Middleton, Manchester. M24 United Kingdom.
VTB 1847 - High Level Output Transformer[for Professional Audio Applications]
A high performance, no
compromise, professional audio
signal transformer primarily
intended for high level balanced line
output applications
Tel/Fax +44 (0)161 654 0748Email: [email protected]
Audio Maintenance Limited, Unit 10 Hanson Close Industrial Estate, Middleton, Manchester. M24 United Kingdom.
VTB 9045 - Low Level Audio Signal Transformer[for Professional Audio Applications]
A high performance, no
compromise, professional audio
signal transformer primarily
intended for low level microphone
input applications
Tel/Fax +44 (0)161 654 0748Email: [email protected]
Audio Maintenance Limited, Unit 10 Hanson Close Industrial Estate, Middleton, Manchester. M24 United Kingdom.
VTB 9046 - High Level Audio Signal Transformer[for Professional Audio Applications]
A high performance, no
compromise, professional audio
signal transformer primarily
intended for low level microphone
input applications
Tel/Fax +44 (0)161 654 0748Email: [email protected]
Audio Maintenance Limited, Unit 10 Hanson Close Industrial Estate, Middleton, Manchester. M24 United Kingdom.
VTB 9049 - High Level Output Transformer[for Professional Audio Applications]
A high performance, no
compromise, professional audio
signal transformer primarily
intended for high level balanced line
output applications
Tel/Fax +44 (0)161 654 0748
Audio Maintenance Limited, Unit 10 Hanson Close Industrial Estate, Middleton, Manchester. M24 United Kingdom.
VTB 9056 - High Level Output Transformer[for Professional Audio Applications]
A high performance, no
compromise, professional audio
signal transformer primarily
intended for high level balanced line
output applications
Tel/Fax +44 (0)161 654 0748Email: [email protected]
Audio Maintenance Limited, Unit 10 Hanson Close Industrial Estate, Middleton, Manchester. M24 United Kingdom.
VTB 9057 - High Level Output Transformer[for Professional Audio Applications]
A high performance, no
compromise, professional audio
signal transformer primarily
intended for high level balanced line
output applications
Underside view
Underside view
Underside view
A
CF
A
A: 1.3H
B: 50mH
A: 100mH
B
B
B
B: 3.0H
C: 80mH
B: 160mH
S
S
S
- Coil Start
- Coil Start
- Coil Start
S
S
S
G
G
G
H
G - Earth
G - Earth
G - Earth
Inductance values shownare measuredwith respect to coil start (S) at 1kHz
Inductance values are +/- 10%
Inductance values shownare measuredwith respect to coil start (S) at 1kHz
Inductance values are +/- 10%
Inductance values shownare measuredwith respect to coil start (S) at 1kHz
Inductance values are +/- 10%
E
E
F
E
E: 10.0H
E: 160mH
F: 200mH
E: 450mH
H: 2.0H
D
D
D
D: 7.0H
D: 100mH
D: 220mH
F: 1.0H
VTB9043
VTB9044
VTB9050
Underside view
Underside view
C
C
A: 67mH
A: 450mH
B
B
B: 95mH
B: 670mH
A
A
S
S
- Coil Start
- Coil Start
S
S
Inductance values shownare measuredwith respect to coil start (S) at 1kHz
Inductance values are +/- 10%
Inductance values shownare measuredwith respect to coil start (S) at 1kHz
Inductance values are +/- 10%
E
E
D: 193mH
D: 1.3H
E: 287mH
E: 1.93H
D
D
C: 129mH
C: 950mH
VTB9054
VTB9055
Underside view
Underside view
C
C
A: 1.4H
A: 200mH
B
B
B: 2.1H
B: 300mH
A
A
S
S
Coil start is
indicated by
dot on
upper side
Coil start is
indicated by
dot on
upper side
- Coil Start
- Coil Start
S
S
Inductance values shownare measuredwith respect to coil start (S) at 1kHz
Inductance values are +/- 10%
Inductance values shownare measuredwith respect to coil start (S) at 1kHz
Inductance values are +/- 10%
D: 5.1H
D: 760mH
D
D
C: 3.5H
C: 500mH
VTB9047
VTB9048