Hammond Mfg. Co. Ltd., Electronics Division
www.hammondmfg.com
1750W
TUBE GUITAR AMPLIFIER - OUTPUT TRANSFORMER
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PRIMARY
Designed for drop in replacement of original
units.
Constructed to look similar to original factory
units (where possible).
Material used & design specifications were kept
as close as possible to the original part to
preserve the stock "tone".
Open style with minimum 9" long primary and
secondary leads
Frequency response 70Hz - 15KHz
(0/-1.0dB reference @ 1KHz)
Distortion is less than 1% @ 70Hz
BLU
2000
Ohm
Typical
2000 Ohms
4 Ohms
100W
WHT
4 Ohm
BLK
COM
CT
RED
BRN
100 WATTS
70Hz - 15kHz
ELECTRICAL SPECIFICATIONS
Characteristics
Input Impedance
Output Impedance
Output Power
SECONDARY
kH
z
W 15 0
50 z - 200
1 7 70H U : 4
CT
DA
B
TE
L
-B T :
0W D H
1 0 -R E K- WDA
N L A
B R B CAN
BLK
MA
DE
IN
C
BRN
DCR
Primary Brown-Blue
Secondary Black-White
Inductance
Impedance
Primary Brown-Blue
22.8 Ohms
0.410 Ohm
WHT
@ 1.0 kHz, 1.0 V SC
1.31mH
Dielectric Strength
Temperature Range
2000VRMS
-40 to 105 degC
G
NOTE: ALL LEADS 9.0" OUT MIN.
Dimensions
A 4.063” ±0.063
B 3.450” ±0.125
C 3.500” ±0.063
TEST CONDITIONS
Measurement instruments:
D scope series iii audio analyzer
Wayne Kerr 3255B with a 3265B
BLU
A
@ 1.0 kHz, 1.0 V OC
2.50H
15.45 Kohm
Leakage Inductance
Primary Brown-Blue
RED
D
E
F
D
E
F
3.500” ±0.063
2.500” ±0.063
2.800” ±0.063
G
0.187” X 0.300”
±0.015
TYPICAL TEST CIRCUIT
Keithley 2010 DVM
Hp4192a impedance analyzer
PRIMARY
R S/
SECONDARY
2
* All graphs input level 27dBu @1.0KHz reference.
**The results are typical and are subject to normal manufacturing and
electrical tolerances.
RL
R S/
OUT
2
www.hammondmfg.com
/2
RL
R S/
OUT
2
This drawing and the information in it is the property of Hammond Manufacturing. It may not be reproduced, transmitted or used in any manner whatsoever without the written permission
of Hammond Manufacturing. Data subject to change without notice.
www.hammondmfg.com
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