1620 Hammond Manufacturing, 1620 Datasheet - Page 3

• Manufacturer Part Number: 1620
• Description: TRANSFORMER AUDIO 6.6KCT 20W
• Manufacturer: Hammond Manufacturing
• Series: 1600r

Specifications of 1620

• Transformer Type: Push-Pull Audiophile, Ultra-Linear - Tube Output
• Impedance: 8KCT Primary, 4-8-16 Secondary
• Insertion Loss: 1dB Typ.
• Mounting Type: Chassis Mount
• Frequency Range: 30 Hz to 30 MHz
• Primary Impedance: 6600 Ohms CT
• Secondary Impedance: 16 Ohms
• Termination Style: Chassis Terminals
• Dimensions: 2.5 in L x 2.75 in W x 3.06 in H
• Product: Audio Output Transformers
• Power Rating: 20 Watts
• Shielding: Shielded
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant
• Other names: 1620HM

Push - Pull
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•
•
•
•
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up of secondary loads)
1650E (70 Hz. to 30 Khz. +/- 1 db max. - ref. 1 Khz.)
does NOT have primary screen taps and will not support "Ultra-Linear" applications.
NEW & Improved version of our 1608-1650 series output transformers (re-designed secondaries for easy hook-
Designed for push-pull tube output circuits.
Enclosed (shielded), 4 slot, above chassis Type "X" mounting.
Frequency response 30 Hz. to 30 Khz. at full rated power (+/- 1 db max. - ref. 1 Khz) minimum. Except the
Insulated flexible leads 8" min.
All units (except the 1650G) include 40% screen taps for Ultra-Linear operation (if desired).
Typical applications - Push-Pull: triode, Ultra-Linear pentode, and tetrode connected audio output. The 1650G
©
Number
1650WA
1650HA
1650KA
1650NA
1650RA
1650FA
1650PA
1650TA
1650G
1608A
1609A
1615A
1650E
1620A
1645A
St. Laurent, Quebec [phone]
Part
Cheektowaga, NY [phone]
Guelph, Ontario [phone]
Audio
(RMS)
Watts
100
120
280
10
10
15
15
20
25
30
35
40
50
60
60
CANADA
Audiophile - Output (1608-1650 "A" Series)
USA
Impedance
10,000 C.T.
8,000 C.T.
5,000 C.T.
8,000 C.T.
6,600 C.T.
7,600 C.T.
5,000 C.T.
6,600 C.T.
6,600 C.T.
3,400 C.T.
4,300 C.T.
6,600 C.T.
5,000 C.T.
1,900 C.T.
1,900 C.T.
Primary
"CLASSIC" TUBE TYPE - ULTRA-LINEAR
Max. DC
Per Side
100 ma.
100 ma.
100 ma.
100 ma.
158 ma.
128 ma.
128 ma.
200 ma.
200 ma.
318 ma.
318 ma.
200 ma.
318 ma.
403 ma.
806 ma.
PUSH - PULL "EASY HOOK-UP"
OUTPUT TRANSFORMERS
www.hammondmfg.com
3.5/8/16/250/500
Impedance
4-8-16-70 V
Secondary
4-8-16
4-8-16
4-8-16
4-8-16
4-8-16
4-8-16
4-8-16
4-8-16
4-8-16
4-8-16
4-8-16
4-8-16
4-8-16
92
2.50
2.50
2.50
2.50
2.50
2.50
2.50
3.13
3.13
3.13
3.13
3.13
3.75
3.75
4.38
A
2.75
2.75
3.25
3.25
3.50
3.50
3.75
3.75
4.00
4.00
4.25
4.25
4.25
4.50
7.50
B
Dimensions (Inches)
3.06
3.06
3.06
3.06
3.06
3.06
3.06
3.81
3.81
3.81
3.81
3.81
4.56
4.56
5.25
C
2.00
2.00
2.00
2.00
2.00
2.00
2.00
2.50
2.50
2.50
2.50
2.50
3.00
3.00
3.50
Queenstown, Australia 61-8-8240-2244
D
Basingstoke, UK 01256 812812
+/- 1/16”
1.69
1.69
2.19
2.50
2.44
2.44
2.69
2.25
2.69
2.69
2.94
2.94
3.06
3.31
5.88
E
AUSTRALIA
EUROPE
.203 x .38
.203 x .38
.203 x .38
.203 x .38
.203 x .38
.203 x .38
.203 x .38
.203 x .38
.203 x .38
.203 x .38
.203 x .38
.203 x .38
.203 x .38
.203 x .38
.203 x .38
Slot
G
Lbs.
3.25
Wt.
2.5
2.5
3.5
3.5
4.5
6.5
12
14
28
4
5
7
8
8