Push - Pull Audiophile - Output (1608-1650 "A" Series)
PUSH - PULL "EASY HOOK-UP"
"CLASSIC" TUBE TYPE - ULTRA-LINEAR
OUTPUT TRANSFORMERS
•ꢀ NEW & Improved version of our 1608-1650 series output transformers (re-designed secondaries for easy hook-
up of secondary loads)
•ꢀ 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
1650E (70 Hz. to 30 Khz. +/- 1 db max. - ref. 1 Khz.)
•ꢀ Insulatedꢀflexibleꢀleadsꢀ8"ꢀ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
does NOT have primary screen taps and will not support "Ultra-Linear" applications.
Audio
Watts
(RMS)
10
10
15
15
20
25
30
Dimensions (Inches)
E
Part
Number
Primary
Impedance Per Side
Max. DC
Secondary
Impedance
Wt.
Lbs.
G
Slot
A
B
C
D
+/- 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
1608A
1609A
1615A
1650E
1620A
1650FA
1645A
1650G
1650HA
1650KA
1650NA
1650PA
1650RA
1650TA
1650WA
8,000 C.T. 100 ma.
10,000 C.T. 100 ma.
5,000 C.T. 100 ma.
8,000 C.T. 100 ma.
6,600 C.T. 158 ma.
7,600 C.T. 128 ma.
5,000 C.T. 128 ma.
4-8-16
4-8-16
4-8-16
4-8-16
4-8-16
2.50 2.75 3.06 2.00
2.50 2.75 3.06 2.00
2.50 3.25 3.06 2.00
2.50 3.25 3.06 2.00
2.50 3.50 3.06 2.00
2.50 3.50 3.06 2.00
2.50 3.75 3.06 2.00
.203 x .38 2.5
.203 x .38 2.5
.203 x .38 3.25
.203 x .38 3.5
.203 x .38 3.5
4-8-16
4-8-16-70 V
.203 x .38
.203 x .38 4.5
.203 x .38
.203 x .38 6.5
4
35
40
50
60
6,600 C.T. 200 ma. 3.5/8/16/250/500 3.13 3.75 3.81 2.50
5
6,600 C.T. 200 ma.
3,400 C.T. 318 ma.
4,300 C.T. 318 ma.
6,600 C.T. 200 ma.
5,000 C.T. 318 ma.
1,900 C.T. 403 ma.
1,900 C.T. 806 ma.
4-8-16
4-8-16
4-8-16
4-8-16
4-8-16
4-8-16
4-8-16
3.13 4.00 3.81 2.50
3.13 4.00 3.81 2.50
3.13 4.25 3.81 2.50
3.13 4.25 3.81 2.50
3.75 4.25 4.56 3.00
3.75 4.50 4.56 3.00
4.38 7.50 5.25 3.50
.203 x .38
.203 x .38
.203 x .38
7
8
8
60
100
120
280
.203 x .38 12
.203 x .38 14
.203 x .38 28
CANADA
EUROPE
Guelph, Ontario (519) 822-2960
Basingstoke, UK 01256 812812
www.hammondmfg.com
92
St. Laurent, Quebec (514) 343-9010
USA
AUSTRALIA
Queenstown, Australia 61-8-8240-2244
Cheektowaga, NY (716) 630-7030
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