1628SE Hammond Manufacturing, 1628SE Datasheet
1628SE
Manufacturer Part Number
1628SE
Description
XFRMR CLASSIC SGL-END TUBE OTPT
Manufacturer
Hammond Manufacturing
Series
1600r
Datasheet
1.1642SE.pdf
(2 pages)
Specifications of 1628SE
Transformer Type
Single Ended Audiophile, Ultra-Linear - Tube Output
Current
120mA
Impedance
5K Primary, 4-8-16 Secondary
Mounting Type
Chassis Mount
Frequency Range
20 Hz to 20 KHz
Primary Impedance
5000 Ohms CT
Product
Audio Transformers
Shielding
Unshielded
Lead Free Status / RoHS Status
Request inventory verification / Request inventory verification
Insertion Loss
-
Lead Free Status / RoHS Status
Lead free / RoHS Compliant, Request inventory verification / Request inventory verification
Other names
Q1163320B
Single Ended
•
•
•
•
•
•
•
•
•
•
•
1640SEA
1627SEA
1630SEA
1628SEA
1629SEA
1638SEA
Number
triode tubes.
1642SE
"Over designed" for high-fidelity, single ended, Class-A, tube output circuits (triode, tetrode or pentode tubes).
Enclosed (shielded), four slot, chassis Type "X" mounting.
Frequency response at least 20 Hz. to 20 KHz. at full rated power (+/- 1 db max., ref. 1 Khz.)
Units are designed to provide ample "headroom" at bass frequencies (note the weight of each transformer).
All models have a secondary tapped for 4, 8 or 16 ohm outputs.
Insulated flexible leads 8" min.
For maximum versatility, all units (except the 1642SE & 1638SEA) include a 40% screen tap for Ultra-Linear,
tetrode/pentode operation (if desired).
The 1642SE & 1638SEA do NOT include a screen tap as they were designed principally for high impedance
High quality laminations, (M6) grain oriented silicon steel.
Core is gapped to reduce core saturation in Class-A, tube amplifier circuits.
For general purpose or replacement use in single ended, tube output circuits see our 125 "SE" series.
Part
©
St. Laurent, Quebec (514) 343-9010
Cheektowaga, NY (716) 630-7030
Guelph, Ontario (519) 822-2960
Audio
Watts
30
30
30
30
75
30
30
CANADA
Impedance
10,000
USA
1,250
2,500
3,500
5,000
5,000
6,500
Audiophile - Tube Output (1627-1642 Series)
"CLASSIC" TUBE OUTPUT - ULTRA-LINEAR
Max. DC
Primary
200 ma.
160 ma.
135 ma.
120 ma.
300 ma.
100 ma.
90 ma.
Bias
Inductance
www.hammondmfg.com
Henrys
14
20
42
48
53
55
88
SINGLE-ENDED
40% Primary
Ultra-Linear
86
Tap
Yes
Yes
Yes
Yes
Yes
No
No
(VRMS)
Hipot
2,000
2,000
2,000
2,000
3,500
2,000
2,000
Test
3.75 4.95 4.56 3.00 3.90 .203 x .375
3.75 4.50 4.56 3.00 3.13 .203 x .375
3.75 4.98 4.65 3.00 3.90 .203 x .375
3.75 4.50 4.56 3.00 3.13 .203 x .375
4.38 7.50 5.25 3.50 5.88 .203 x .375
3.75 4.50 4.56 3.00 3.88 .203 x .375
3.75 4.50 4.56 3.00 3.13 .203 x .375
A
Queenstown, Australia 61-8-8240-2244
B
Dimensions (Inches)
Basingstoke, UK 01256 812812
C
AUSTRALIA
D
EUROPE
E
Slot
G
Lbs.
Wt.
11
11
11
11
28
11
11
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1628SE Summary of contents
Page 1
... Primary Part Audio Max. DC Number Watts Impedance Bias 1640SEA 30 1,250 200 ma. 1627SEA 30 2,500 160 ma. 1630SEA 30 3,500 135 ma. 1628SEA 30 5,000 120 ma. 1642SE 75 5,000 300 ma. 1629SEA 30 6,500 100 ma. 1638SEA 30 10,000 90 ma. CANADA Guelph, Ontario (519) 822-2960 St. Laurent, Quebec (514) 343-9010 USA Cheektowaga, NY (716) 630-7030 © ...
Page 2
... Single Ended Audiophile - Tube Output (1627-1642 Series) Part No. 1640SEA 1627SEA 1630SEA 1628SEA 1642SE 1629SEA 1638SEA Note: The above examples of possible combinations are to help you narrow down the choices of transformers for your favorite tube types. How you operate the tubes (ultra-linear, bias, plate voltage, operating points etc.) will change optimum plate load impedance ...