HAMMOND
"CLASSIC" 300 SERIES
PLATE & FILAMENT TRANSFORMERS
Key Features of Hammond's Vertical & Horizontal Mount Plate & Filament Transformers:
Primary: Universal - 100, 110, 120, 200, 220, 240 VAC 50/60 Hz.
Secondary: High voltage designed for full wave C.T. use. See chart below (High voltage current is D.C. using C.T. Full Wave rectifier - capacitor input).
Bias Tap: 50 VAC tap from high voltage secondary C.T.
Highpot tested: 2,000 VAC
Finish: Black epoxy painted to match our 1650 series of output transformers
Windings: Concentric wound for low stray field and low noise
Models: Includes Hammond's entire "200" Series range of units PLUS 2 models designed specifically for 300B tubes (Part Number HX-300BX) and 2A3 tubes (Part Number HX-302AX).
| Please note that we have adjusted our prices on all of the Hammond Manufacturing products. On May 19th, 2008, Hammond adjusted the prices on all of their products for the 3rd time since the Radio Daze Catalog 306 was published. We held our pricing until this most recent increase. We feel that you will still find our new prices to be very competitive. |
|
Radio |
Price |
Overall |
Secondary |
Fil. |
Fil. |
Fil. |
Fil. |
Dim. Ref. |
|
|
VAC RMS |
D.C. Current |
(VAC) |
(VAC) |
(VAC) |
(VAC) |
||||
| HX-363AX | $56.30 |
32 VA |
100V CT |
100 ma.
|
5V CT |
- |
- |
- |
X6 |
| HX-369AX | $56.40 |
40 VA |
250V CT |
100 ma.
|
6.3V CT |
- |
- |
- |
X6 |
| HX-369BX | $56.40 |
39 VA |
300V CT |
75 ma. |
6.3V CT |
- |
- |
- |
X6 |
| HX-363CX | $84.70 |
119 VA |
360V CT |
250 ma. |
5V CT |
- |
- |
- |
X11 |
| HX-369EX | $53.60 |
45 VA |
380V CT |
65 ma. |
6.3V CT @ 2.5A |
- |
- |
- |
X6 |
| HX-369GX | $56.40 |
50 VA |
450V CT |
65 ma. |
6.3V CT |
- |
- |
- |
X6 |
| HX-370X | $62.40 |
41 VA |
480V CT |
40 ma. |
5V CT |
6.3V |
- |
- |
X6 |
| HX-370AX | $60.70 | 44 VA | 480V CT | 50 ma. |
6.3V CT @ 2.5A |
- | - | - | X6 |
| HX-369JX | $57.80 |
50 VA |
500V CT |
60ma. |
6.3V CT |
- |
- |
- |
X6 |
| HX-370CAX | $71.20 |
66 VA |
500V CT |
70 ma. |
5V CT @ 2A |
6.3V CT |
- |
- |
X8 |
| HX-370DAX | $68.60 |
76 VA |
520V CT |
90ma. |
6.3V CT |
- |
- |
- |
X8 |
|
HX-370DAZ |
$70.30 |
76 VA |
520V CT |
90ma. |
6.3V CT @ 3.5A |
- |
- |
- | Z10 |
| HX-370BX | $63.50 |
55 VA |
550V CT |
50 ma. |
5V CT |
6.3V CT |
- |
- |
X7 |
| HX-370CX | $68.60 |
59 VA |
550V CT |
65 ma. |
6.3V CT |
6.3V CT |
- |
- |
X7 |
| HX-370DX | $71.20 |
86 VA |
550V CT |
90 ma. |
5V CT |
6.3V CT |
- |
- |
X8 |
| HX-370EX | $78.20 |
119 VA |
550V CT |
125 ma. |
5V CT |
6.3V CT |
- |
- |
X11 |
| HX-370FX | $84.70 |
142 VA |
550V CT |
150 ma. |
5V CT |
6.3V CT |
- |
- |
X20 |
| HX-370HX | $107.20 |
180 VA |
550V CT |
200 ma. |
5V CT |
6.3V CT |
- |
- |
X20 |
| HX-371X | $65.10 |
63 VA |
560V CT |
60 ma. |
5V CT |
6.3V CT |
- |
- |
X7 |
| HX-372BX | $74.80 |
98 VA |
600V CT |
100 ma. |
5V CT |
6.3V CT |
- |
- |
X10 |
| HX-372DX | $82.60 |
127 VA |
600V CT |
125 ma. |
5V CT |
6.3V CT |
- |
- |
X11 |
| HX-372FX | $95.90 |
150 VA |
600V CT |
150 ma. |
5V CT |
6.3V CT |
- |
- |
X20 |
| HX-302AX | $112.90 |
198 VA |
600V CT |
200 ma. |
2.5V CT |
5V CT |
6.3V CT |
2.5V CT @2.5A |
X13 |
| HX-372HX | $109.00 |
191 VA |
600V CT |
200 ma.
|
5V CT |
6.3V CT |
- |
- |
X13 |
| HX-372JX | $115.70 |
243 VA |
600V CT |
250 ma.
|
5V CT |
6.3V CT |
- |
- |
X14 |
| HX-372X | $73.80 |
75 VA |
620V CT |
70 ma.
|
5V CT |
6.3V CT |
- |
- |
X8 |
| HX-376X | $116.00 |
157 VA |
640V CT |
150 ma.
|
5V CT |
6.3V CT |
- |
- |
X20 |
| HX-373AZ | $77.40 |
49 VA |
650V CT |
40 ma. |
5V CT @ 2A |
6.3V CT |
- |
- | Z11 |
| HX-373CZ | $123.10 |
159 VA |
650V CT |
150 ma.
|
5V CT |
6.3V CT |
- |
- |
Z12 |
|
HX-373DX |
$98.50 |
101 VA |
700V CT |
90 ma. |
5V CT |
6.3V CT |
- |
- |
X10 |
|
HX-373DZ |
$100.20 |
101 VA |
700V CT |
90 ma. |
5V CT @ 2A |
6.3V CT |
- |
- | Z13 |
|
HX-373X |
$92.40 |
125 VA |
700V CT |
110 ma. |
5V CT |
6.3V CT |
- |
- |
X11 |
| HX-373BX | $98.80 |
187 VA |
700V CT |
175 ma. |
5V CT |
6.3V CT |
- |
- |
X13 |
| HX-374AX | $91.40 |
136 VA |
720V CT |
120 ma. |
5V CT |
6.3V CT |
- |
- |
X11 |
| HX-374X | $84.40 |
141 VA |
750V CT |
110 ma. |
5V CT |
6.3V CT |
- |
- |
X20 |
| HX-374BX | $105.80 |
200 VA |
750V CT |
175 ma. |
5V CT |
6.3V CT |
- |
- |
X13 |
| HX-375X | $151.20 |
171 VA |
800V CT |
135 ma. |
5V CT |
6.3V CT |
- |
- |
X20 |
| HX-378X | $134.00 |
237 VA |
800V CT |
200 ma. |
5V CT |
6.3V CT |
- |
- |
X22 |
| HX-300BX | $141.10 |
280 VA |
800V CT |
250 ma. |
5V CT |
5V CT |
6.3V CT |
- |
X15 |
| HX-378CX | $143.90 |
465 VA |
800V CT |
465 ma. |
6.3V CT |
- |
- |
- |
X21 |
| HX-379X | $123.10 |
193 VA |
850V CT |
150 ma. |
5V CT |
6.3V CT |
- |
- |
X22 |
| HX-382X | $147.70 |
283 VA |
1000V CT |
465 ma. |
5V CT |
6.3V CT |
- |
- |
X15 |
Hammond's 300 Series Schematic:

Hammond's Mechanical Dimension Table:
Vertical Mount ("X" mounting)
|
Mtg. |
Vertical "X" Mount Dimensions |
G - Mtg. Slot |
||||
|
A |
B |
C |
D |
E |
||
|
X2 |
1.88 |
2.44 |
2.50 |
1.50 |
1.56 |
.19 X .31 |
|
X4 |
2.19 |
2.50 |
2.63 |
1.75 |
1.44 |
.19 X .25 |
|
X5 |
2.19 |
2.63 |
2.63 |
1.75 |
1.56 |
.19 X .25 |
|
X6 |
2.50 |
2.75 |
3.06 |
2.00 |
1.69 |
.203 X .38
|
|
X7 |
2.50 |
3.00 |
3.06 |
2.00 |
1.94 |
.203 X .38
|
|
X8 |
2.50 |
3.25 |
3.06 |
2.00 |
2.19 |
.203 X .38
|
|
X9 |
2.50 |
3.75 |
3.06 |
2.00 |
2.69 |
.203 X .38
|
|
X10 |
3.13 |
3.50 |
3.81 |
2.50 |
2.19 |
.203 X .38
|
|
X11 |
3.13 |
3.75 |
3.81 |
2.50 |
2.44 |
.203 X .38
|
|
X13 |
3.75 |
4.00 |
4.56 |
3.00 |
2.81 |
.203 X .38
|
|
X14 |
3.75 |
4.50 |
4.56 |
3.00 |
3.31 |
.203 X .38
|
|
X15 |
3.75 |
5.00 |
4.56 |
3.00 |
3.81 |
.203 X .38
|
|
X19 |
3.13 |
4.00 |
3.81 |
2.50 |
2.69 |
.203 X .38
|
|
X20 |
3.13 |
4.25 |
3.81 |
2.50 |
2.94 |
.203 X .38
|
|
X21 |
4.38 |
6.00 |
5.50 |
3.50 |
3.54 |
.203 X .38
|
|
X22 |
3.75 |
3.06 |
4.56 |
3.00 |
3.06 |
.203 X .38
|
================================================================
Horizontal Mount ("Z" mounting)

|
Horizontal "Z" Mounting - Dimension Table |
||||||||
|
Mtg. Style |
Dimensions (Inches) |
|||||||
|
A |
B |
C |
D |
F |
G |
H |
J |
|
| Z10 | 2.25 | 2.81 | 3.50 | 2.50 | 2.44 | 1.30 | 3.38 | 2.81 |
| Z11 | 2.50 | 2.81 | 3.45 | 1.87 | 2.44 | 1.25 | 3.38 | 2.81 |
| Z12 | 2.50 | 3.15 | 4.08 | 2.06 | 2.69 | 1.84 | 3.75 | 3.13 |
| Z13 | 2.50 | 3.15 | 3.60 | 2.06 | 2.69 | 1.39 | 3.75 | 3.13 |
Back To Main Transformer & Inductor Page
Return to Radio Daze Home Page