| • POUT |
RMS audio output
power for rated frequency bandwidth |
| • ZPRI |
Total primary
impedance with nominal rated load; ZA on single-ended
units; |
| |
ZAA
on push-pull units |
| • IRATED |
DC current
rating for SE winding, or for each side of push-pull winding |
| • ESIGNAL |
Peak audio
signal voltage across full SE winding or each half of push-pull
winding |
| |
for rated audio
output |
| • ISIGNAL |
Peak audio
signal current through full SE winding or one half of push-pull
winding |
| |
for rated audio
output |
| • VSUGG |
Suggested DC
plate supply voltage; SE assumes cathode-biased operation: |
| |
PP assumes
fixed-bias operation |
| • VA |
Minimum plate
supply power requirement |
| • Mass |
Weight in pounds;
old tabled value; most units are slightly lighter at the time of
writing |
PP Push Pull 100-15kHz ± 1db
| Ham# |
POUT |
ZPRI |
IRATED |
ESIGNAL |
ISIGNAL |
VSUGG |
VA |
Mass |
| 125A |
3WRMS |
1k2 ΩAA |
25mADC |
49Vpk |
123mApk |
100VDC |
12VA |
0.2 lbs |
| |
|
2k5 ΩAA |
" |
62Vpk |
97mApk |
124VDC |
12VA |
|
| |
|
5k ΩAA |
" |
87Vpk |
70mApk |
160VDC |
11VA |
|
| |
|
10k ΩAA |
" |
122Vpk |
50mApk |
200VDC |
10VA |
|
| |
|
27k ΩAA |
" |
201Vpk |
30mApk |
275VDC |
9VA |
|
| 125B |
5WRMS |
1k2 ΩAA |
45mADC |
64Vpk |
160mApk |
124VDC |
20VA |
0.3 lbs |
| |
|
2k5 ΩAA |
" |
79Vpk |
127mApk |
150VDC |
19VA |
|
| |
|
5k ΩAA |
" |
112Vpk |
90mApk |
172VDC |
16VA |
|
| |
|
10k ΩAA |
" |
158Vpk |
63mApk |
224VDC |
14VA |
|
| |
|
27k ΩAA |
" |
260Vpk |
39mApk |
336VDC |
13VA |
|
| 125C |
8WRMS |
1k ΩAA |
60mADC |
80Vpk |
200mApk |
140VDC |
28VA |
0.5 lbs |
| |
|
2k5 ΩAA |
" |
100Vpk |
160mApk |
173VDC |
28VA |
|
| |
|
5k ΩAA |
" |
141Vpk |
114mApk |
210VDC |
24VA |
|
| |
|
10k ΩAA |
" |
200Vpk
|
80mApk |
270VDC |
22VA |
|
| |
|
27k ΩAA |
" |
330Vpk |
49mApk |
400VDC |
20VA |
|
| 125D |
10WRMS |
1k2 ΩAA |
70mADC |
90Vpk
|
224mApk |
160VDC |
36VA |
1.0 lbs |
| |
|
2k5 ΩAA |
" |
112Vpk
|
180mApk |
180VDC |
36VA |
|
| |
|
5k ΩAA |
" |
158Vpk
|
126mApk |
224VDC |
35VA |
|
| |
|
10k ΩAA |
" |
224Vpk
|
90mApk |
290VDC |
26VA |
|
| |
|
27k ΩAA |
" |
370Vpk |
55mApk |
446VDC |
25VA |
|
| 125E |
15WRMS |
1k2 ΩAA |
80mADC |
110Vpk |
274mApk |
170VDC |
47VA |
1.5 lbs |
| |
|
2k5 ΩAA |
" |
137Vpk |
220mApk |
206VDC |
45VA |
|
| |
|
5k ΩAA |
" |
193Vpk
|
177mApk |
270VDC |
42VA |
|
| |
|
10k ΩAA |
" |
273Vpk
|
110mApk |
350VDC |
38VA |
|
| |
|
27k ΩAA |
" |
450Vpk |
67mApk |
520VDC |
35VA |
|
tapped secondary, see
diagram
PP Push Pull 30-30kHz ± 1db at rated output
When ordering these from Hammond, ad an "A" to the part number for the "Easy Hook-up" secondary.
This means direct-impedance connections and the ability to use a single-pole switch for impedance selection. Example: 1650F > 1650FA.
| Ham# |
POUT |
ZPRI |
ZA |
ESIGNAL |
ISIGNAL |
VSUGG |
VA |
Mass |
| 1608 |
10WRMS |
8k ΩAA |
2,000 ΩA |
200Vpk |
100mApk |
270VDC |
27VA |
2.5 lbs |
| 1609 |
10WRMS |
10k ΩAA |
2,500 ΩA |
224Vpk |
90mApk |
300VDC |
27VA |
2.5 lbs |
| 1615 |
15WRMS |
5k ΩAA |
1,250 ΩA |
194Vpk |
155mApk |
270VDC |
42VA |
3.3 lbs |
| 1620 |
20WRMS |
6k6 ΩAA |
1,650 ΩA |
257Vpk |
156mApk |
330VDC |
52VA |
3.5 lbs |
| 1649 |
30WRMS |
10k ΩAA |
2,500 ΩA |
387Vpk |
155mApk |
470VDC |
73VA |
4.5 lbs |
| 1645(2) |
30WRMS |
5k ΩAA |
1,250 ΩA |
274Vpk |
220mApk |
384VDC |
83VA |
4.5 lbs |
| 1650E(1) |
15WRMS |
8k ΩAA |
2,000 ΩA |
245Vpk |
123mApk |
340VDC |
42VA |
3.5 lbs |
| 1650F |
25WRMS |
7k6 ΩAA |
1,900 ΩA |
308Vpk |
162mApk |
400VDC |
64VA |
4.0 lbs |
| 1650G(3) |
35WRMS |
6k6 ΩAA |
1,650 ΩA |
340Vpk |
206mApk |
420VDC |
87VA |
5.0 lbs |
| 1650H |
40WRMS |
6k6 ΩAA |
1,650 ΩA |
363Vpk |
220mApk |
450VDC |
98VA |
6.5 lbs |
| 1650K |
50WRMS |
3k5 ΩAA |
875 ΩA |
296Vpk |
338mApk |
390VDC |
132VA |
7.0 lbs |
| 1650N |
60WRMS |
4k3 ΩAA |
1,075 ΩA |
360Vpk |
334mApk |
450VDC |
150VA |
8.0 lbs |
| 1650P |
60WRMS |
6k6 ΩAA |
1,650 ΩA |
445Vpk |
270mApk |
540VDC |
146VA |
8.0 lbs |
| 1650R |
100WRMS |
5k ΩAA |
1,250 ΩA |
500Vpk |
400mApk |
600VDC |
240VA |
12 lbs |
| 1650T |
120WRMS |
1k9 ΩAA |
475 ΩA |
338Vpk |
711mApk |
430VDC |
310VA |
14 lbs |
| 1650W |
280WRMS |
1k9 ΩAA |
475 ΩA |
516Vpk |
1A086pk |
620VDC |
675VA |
28 lbs |
(1) 4-8-16 taps
on single secondary winding, see diagram
(2) 3.5-8-16-250-500 taps on single secondary; no UL taps, see diagram
(3) split secondary, see diagram
PP Push Pull potted in can 30-30kHz±1dB at rated output
| Ham# |
POUT |
ZPRI |
ZA |
ESIGNAL |
ISIGNAL |
VSUGG |
VA |
Mass |
| 1650KP |
50WRMS |
3k5 ΩAA |
875 ΩA |
296Vpk |
338mApk |
390VDC |
132VA |
11 lbs |
| 1650PP |
60WRMS |
6k6 ΩAA |
1,650 ΩA |
445Vpk |
270mApk |
540VDC |
146VA |
12 lbs |
| 1650RP |
100WRMS |
5k ΩAA |
1,250 ΩA |
500Vpk |
400mApk |
600VDC |
240VA |
18 lbs |
 
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