Siemens / Haufe transformers |
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* From the parts with
askerisk I have singles. I offer them for trade or will buy yours!
MORE
INPUT TRANSFORMERS FROM OTHER BRANDS HERE!
Please ask me if you
need transformers for your MC cartridge! |
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All Siemens / Haufe transformers are mu metal shielded.
They all have the yellow or orange tape where their type number is indicated.
Size Overview: |
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A
B
C
D
E
F |
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38x36mm 29x33mm
30x22mm 21x23mm
20x22mm 17x20mm
Dimensions given as
diameter x height. Beneath the tape the can can be split into two
parts. |
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Input Transformers |
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Type |
Picture |
Found in |
primary DC secondary
DC |
ratio |
Comments and
Suggestions |
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T38 |
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???? |
100 Ohms
7 kOhms |
1:12
22dB |
Size: B. Very good input transformer.
Very versatile
input impedance that will well match
almost any MC cartridge. |
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T41 |
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many mic inputs in
6SELA |
400 Ohms
8 kOhms |
1:12
22dB |
Great with Denon DL-103. Primary ranges between 350 Ohms and 450 Ohms, secondary between 7.5 and 8.5
kOhms. Good matching is necessary. Size C.
Click here to see
different T41s. |
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T42 |
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foto cell inputs in
several amps |
3 Ohms
1.65 kOhms |
1:20
26dB |
Size: C. Extremely low input impedance. Not too versatile, but very
nice for very low Z cartridges with less
sensitive preamps. |
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T54/5c |
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KLV 004 |
110 Ohms
??? kOhms |
1:30
30dB |
Size: B. Input transformer with very high amplification.
Slight lacks in
the bass and high frequency range (about -4dB at 100Hz/10kHz)
require compensa-tion in RIAA stage. |
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T55/12*
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KL-V204a
KL-V004 |
28 Ohms
1.65 kOhms |
1:12
22dB |
Size:
29x31mm = slightly smaller than B!
Very good
frequency response on curve tracer.*
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T108 |
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???? |
150 Ohms
3.2 kOhms |
1:10
20dB |
Size:
E. Very nice transformer. Slightly louder in the high. Rising 4.5dB
at 22kHz (-3dB = 37kHz !!).
Great bass response (-3dB at 10Hz). |
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T110 |
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several Bauer amps |
28 Ohms
8 kOhms |
1:15
24dB |
Size:
E. Absolutely great perfor-ming transformer. Great bass response.
Great match for EMT Tondose TSD 15, XSD 15, TMD 25 (all 24 Ohms)
and OFS 25. |
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T165
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???? |
28 Ohms
7.7 kOhms |
1:30
30dB |
Size: D. Great transformer. High amplification.
I don't remember
where I found that one. |
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T235
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???? |
142 Ohms
6.5 kOhms |
1:19
25dB |
Size:
D. Great transformer. Unfortunately I only have a single one.* |
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T311 |
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???? |
67 Ohms
3 kOhms |
1:14
23dB |
Size:
F. Very good transformer. Haufe rated as 25dB, but measures only
23dB.
Good frequency
response. 0.78% Distortion at 1kHz. |
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T4365 |
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???? |
68 Ohms
3.4 kOhms |
1:14
23dB |
Size:
F. Outstanding frequency response - especially bass reponse is
perfect! Perfect match for EMT Tondose TSD 15, XSD 15, TMD 25
(all 24 Ohms) and OFS 25. |
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EÜ/VL
23 |
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???? |
3.2 Ohms
2.5 kOhms |
1:30
30dB |
Size:
B. This is a great transformer for the Ortofon SPU.
Very high
amplification, but only good with very low impedance cartridges. |
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VE 2409
Philips |
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???? |
2x17 Ohms
2.6 kOhms |
1:25
28dB |
Size:
B. Great and very versatile! Made bei Haufe for Philips. 2 primary
windings with high amplification allow perfect match to almost any MC
cartridge. |
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Balancing, Output and
Interstage Transformers |
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Type |
Picture |
Found in |
primary DC secondary
DC |
ratio |
Comments and
Suggestions |
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T55/3.5 |
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KLV 004 |
1640 Ohms
326 Ohms |
5:1
-14dB
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Size: B. Output transformer for low impedance conversion.
Pretty similar
to T55/2. |
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T55/2 |
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KLV 002
KLV 006
KLV 007 |
1600 Ohms
215 Ohms |
5:1
-14dB
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Size: B. Output transformer for low impedance conversion. |
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T62 |
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????? |
2x 11 Ohms
16 Ohms |
1:1
0dB |
Size: B. Very good as interstage transformer for push pull tube
power amps. |
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T172
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Input xformer in 6SELA
power amps |
2x 165 Ohms
417 Ohms |
1:1
0dB |
Found i.e. in 6SELA 2805 EL34 power amp. Size: B
Also found with 475 Ohms to 2x 175 Ohms. |
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T188 |
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6SELA
2154 |
0-65-158 Ohms
25 Ohms |
1:1
0dB |
Size: A. THE big output transformer from the 6SELA2154 microphone
and mixer preamp. Great! |
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BV. 539 |
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?????
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6-6 Ohms
12 Ohms |
1:1
0dB |
Size: B. Very good as interstage transformer for push pull tube
power amps.*
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