125BSE Hammond Manufacturing, 125BSE Datasheet
125BSE
Manufacturer Part Number
125BSE
Description
AUDIO TRANSFORMER
Manufacturer
Hammond Manufacturing
Series
125r
Datasheet
1.125J.pdf
(2 pages)
Specifications of 125BSE
Transformer Type
General Purpose
Current
45mA
Impedance
12K-25K Primary, 1.5-15 Secondary
Insertion Loss
±1dB
Mounting Type
Chassis Mount
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Push-Pull
•
•
•
•
•
•
Designed for general purpose or replacement use in push-pull tube output circuits.
For single ended use, see our 125 SE series - optimized for single ended tube output circuits.
Frequency response: 150 Hz. - 15 Khz (+/- 1db max. ref. 1 Khz)
Open style with minimum 5" long primary leads, secondary solder lugs for convenient secondary connections.
Tables provided with each transformer listing 90 pre-calculated impedance ratios.
Primary impedances from 1,200 to 25,000 Ohms and secondary impedances from 1.5 to 15 Ohms (see chart below).
©
(Plate)
(Plate)
Brown
Blue
St. Laurent, Quebec (514) 343-9010
Cheektowaga, NY (716) 630-7030
Red
(B+)
Guelph, Ontario (519) 822-2960
PRI
Output - General Purpose (125A-E Series)
Part No.
125A
125B
125C
125D
125E
CANADA
USA
Audio
Watts
15
SEC
10
3
5
8
"CLASSIC" TUBE OUTPUT TRANSFORMERS
6
5
4
3
2
1
Max D.C. Bias
(ma)
25
45
60
70
80
Schematic & Hook Up Data
UNIVERSAL PUSH-PULL
www.hammondmfg.com
Speaker to
Connect
Lugs)
(Sec.
1 & 2
2 & 3
3 & 4
4 & 5
5 & 6
1 & 3
2 & 4
3 & 5
4 & 6
1 & 4
2 & 5
3 & 6
1 & 5
2 & 6
1 & 6
Inductance
Primary
Henrys
14.94
4.48
2.99
8.97
5.60
27K
18K
16.5K
10K
8.5K
5.4K
4.2K
3.3K
2.4K
2.15K
1.55K
1.3K
88
1.5
Resulting Total Primary Impedance (Blue Wire to Brown Wire)
-
-
-
2.06
2.38
2.81
3.25
3.69
A
24K
22K
13.5K
11K
7.2K
5.6K
4.4K
3.2K
2.9K
2.05K
1.7K
1.4K
1.25
1.38
1.50
1.75
2.00
2
-
-
-
Dimensions (Inches)
B
1.19
1.38
1.69
2.00
2.31
Voice Coil Impedance (Ohms)
21.6K
18K
11.5K
9K
7K
5.1K
4.6K
3.3K
2.7K
2.2K
1.7K
1.2K
C
3.2
-
-
-
1.75
2.00
2.38
2.81
3.13
D
27K
22K
15K
11.2K
8.8K
6.4K
5.8K
4.1K
3.4K
2.8K
2.1K
1.5K
4
-
-
-
Queenstown, Australia 61-8-8240-2244
Basingstoke, UK 01256 812812
G Mtg.
0.187
0.187
0.187
0.187
0.187
Hole
21.6K
16.8K
13.2K
9.6K
8.7K
6.15K
5.1K
4.2K
3.15K
2.3K
6
-
-
-
-
-
AUSTRALIA
EUROPE
22.5K
17.6K
12.8K
11.6K
8.2K
6.8K
5.6K
4.2K
3.0K
Lbs.
0.19
Wt.
0.3
0.5
1.5
1
8
-
-
-
-
-
-
26.4K
19.2K
17.4K
12.3K
10.2K
8.4K
6.3K
4.5K
12
-
-
-
-
-
-
-
24K
21.5K
15.5K
12.8K
10.2K
8K
5.6K
15
-
-
-
-
-
-
-
-
Related parts for 125BSE
Image
Part Number
Description
Manufacturer
Datasheet
Request
R
Part Number:
Description:
TRANSFORMER 5W 45MA TUBE TYPE
Manufacturer:
Hammond Manufacturing
Datasheet:
Part Number:
Description:
HARDWARE 10-32X0.625" SLOTTD 1=4
Manufacturer:
Hammond Manufacturing
Datasheet:
Part Number:
Description:
TRANSFORMER AUDIO 600/600 IMPED
Manufacturer:
Hammond Manufacturing
Datasheet:
Part Number:
Description:
TRANSFORMER 8W 60MA TUBE TYPE
Manufacturer:
Hammond Manufacturing
Datasheet:
Part Number:
Description:
TRANSFORMER AUDIO 10KCT 10W
Manufacturer:
Hammond Manufacturing
Datasheet:
Part Number:
Description:
TRANSFORMER AUDIO 8KCT 10W
Manufacturer:
Hammond Manufacturing
Datasheet:
Part Number:
Description:
TRANSFORMER AUDIO 6.6KCT 20W
Manufacturer:
Hammond Manufacturing
Datasheet:
Part Number:
Description:
TRANSFORMER AUDIO 5KCT 30W
Manufacturer:
Hammond Manufacturing
Datasheet:
Part Number:
Description:
TRANSFORMER 115V TO 625VCT 300MA
Manufacturer:
Hammond Manufacturing
Datasheet:
Part Number:
Description:
TRANSFORMER PULSE 100MH 25DCR
Manufacturer:
Hammond Manufacturing
Datasheet:
Part Number:
Description:
TRANSFORMER AUDIO 600/600 IMPED
Manufacturer:
Hammond Manufacturing
Datasheet:
Part Number:
Description:
TRANSFORMER 8W 60MA TUBE TYPE
Manufacturer:
Hammond Manufacturing
Datasheet:
Part Number:
Description:
CHOKE RF 2.5mH 250MA AXIAL
Manufacturer:
Hammond Manufacturing
Datasheet:
Part Number:
Description:
CHOKE RF 2.5mH 125MA AXIAL
Manufacturer:
Hammond Manufacturing
Datasheet:
Part Number:
Description:
POWER TRANSFORMER
Manufacturer:
Hammond Manufacturing
Datasheet:
125BSE Summary of contents
Page 1
... Open style with minimum 5" long primary leads, secondary solder lugs for convenient secondary connections. • Tables provided with each transformer listing 90 pre-calculated impedance ratios. • Primary impedances from 1,200 to 25,000 Ohms and secondary impedances from 1 Ohms (see chart below). Audio Max D.C. Bias Part No. Watts 125A ...
Page 2
... Frequency response: 150 Hz Khz (+/- 1db max.- ref. 1 Khz). • 125H - open style with minimum 5" long primary leads, secondary solder lugs for convenient secondary connections. • 125J - open style with minimum 10" long primary & secondary leads. Primary Audio Part No. Impedance Watts (Ohms) 125H ...