Our NEW Universal Primary "300" series is now available

"Classic" Plate & Filament - Universal Primary (300 Series)
Power
Transformer Schematic
120V Blu
(50V) Vio
(CT) Red/Yel
110V Blu/Yel
100V Brn/Yel
High Voltage
Red
110V Blk/Red
Blk/Yel
Yel
100V Wht/Blk
(CT) Yel/Blk
Yel
Grn
0V Wht
(CT) Grn/Yel
Grn
Filament
#2
(CT) Org
120V Blk
Filament
#3
Blk/Yel
0V Brn
Filament
#1
Red
"CLASSIC" PLATE & FILAMENT
UNIVERSAL PRIMARY POWER TRANSFORMERS
• Primary: Universal - 100, 110, 120, 200, 220, 240 VAC 50/60 Hz.
• Bias Tap: 50 VAC tap from high voltage secondary C.T.
• Highpot tested: 2,000 VAC
• Finish: Black powder painted to match our 1650 series of output transformers
• Windings: Concentric wound for low stray field and low noise
• Models: Includes our entire "200" SERIES range of units PLUS 2 models designed specifically for 300B tubes (Part Number 300BX) and 2A3 tubes (Part Number 302AX).
• For a more economical, open frame, universal primary - see our "260" series.
"X" Mounting Dimension Table
Mtg.
Style
X2
X4
X5
X6
X7
X8
X9
X10
X11
X13
X14
X15
X19
X20
X21
X22
A
1.88
2.19
2.19
2.50
2.50
2.50
2.50
3.13
3.13
3.75
3.75
3.75
3.13
3.13
4.38
3.75
Dimensions (Inches)
B
C
D
E
2.44 2.50 1.50 1.56
2.50 2.63 1.75 1.44
2.63 2.63 1.75 1.56
2.75 3.06 2.00 1.69
3.00 3.06 2.00 1.94
3.25 3.06 2.00 2.19
3.75 3.06 2.00 2.69
3.50 3.81 2.50 2.19
3.75 3.81 2.50 2.44
4.00 4.56 3.00 2.81
4.50 4.56 3.00 3.31
5.00 4.56 3.00 3.81
4.00 3.81 2.50 2.69
4.25 3.81 2.50 2.94
6.00 5.50 3.50 4.00
4.19 4.56 3.00 3.06
"X" Mounting Drawing
G - Mtg.
Slot
.19 X .31
.19 X .25
.19 X .25
.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
CANADA
©
EUROPE
Guelph, Ontario (519) 822-2960
St. Laurent, Quebec (514) 343-9010
www.hammondmfg.com
Cheektowaga, NY (716) 630-7030
40
USA
Basingstoke, UK 01256 812812
AUSTRALIA
Queenstown, Australia 61-8-8240-2244
"Classic" Plate & Filament - Universal Primary (300 Series)
363AX
369AX
369BX
363CX
369EX
370X
370AX
369GX
369JX
370CAX
370DAX
370DAZ
370BX
370CX
370DX
370EX
370FX
370HX
371X
372BX
372DX
372FX
302AX
372HX
372JX
372X
376X
373AZ
373CZ
373DX
373DZ
373X
373BX
374AX
374X
374BX
375X
378X
300BX
378CX
379X
382X
Total
Power
(VA)
32
40
39
119
45
41
44
50
50
66
76
76
55
59
86
119
141
180
63
98
127
150
198
191
243
75
157
49
159
101
101
125
187
136
141
200
171
237
280
465
193
283
A.C. High Voltage
Secondary
R.M.S.
200V C.T. @ 115ma.
250V C.T. @ 115ma.
300V C.T. @ 86ma.
360V C.T. @ 288ma.
380V C.T. @ 75ma.
480V C.T. @ 46ma.
480V C.T. @ 58ma.
450V C.T. @ 75ma.
500V C.T. @ 69ma.
500V C.T. @ 81ma.
520V C.T. @ 104ma.
520V C.T. @ 104ma.
550V C.T. @ 58ma.
550V C.T. @ 75ma.
550V C.T. @ 104ma.
550V C.T. @ 144ma.
550V C.T. @ 173ma.
550V C.T. @ 230ma.
560V C.T. @ 69ma.
600V C.T. @ 115ma.
600V C.T. @ 144ma.
600V C.T. @ 173ma.
600V C.T. @ 230ma.
600V C.T. @ 230ma.
600V C.T. @ 288ma.
620V C.T. @ 81ma.
640V C.T. @ 173ma.
650V C.T. @ 46ma.
650V C.T. @ 173ma.
700V C.T. @ 104ma.
700V C.T. @ 104ma.
700V C.T. @ 127ma.
700V C.T. @ 201ma.
720V C.T. @ 138ma.
750V C.T. @ 127ma.
750V C.T. @ 201ma.
800V C.T. @ 155ma.
800V C.T. @ 230ma.
800V C.T. @ 288ma.
800V C.T. @ 534ma.
850V C.T. @ 173ma.
1,000V C.T. @ 230ma.
Bias
Tap
(VAC)
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
Filament
#1
(VAC)
5V C.T. @ 2A
6.3V C.T. @ 2A
6.3V C.T. @ 2A
5V C.T. @ 3A
6.3V C.T. @ 2.5A
5V C.T. @ 2A
6.3V C.T. @ 2.5A
6.3V C.T. @ 2.5A
6.3V C.T. @ 2.5A
5V C.T. @ 2A
6.3V C.T. @ 3.5A
6.3V C.T. @ 3.5A
5V C.T. @ 2A
6.3V C.T. @ 0.6A
5V C.T. @ 2A
5V C.T. @ 3A
5V C.T. @ 3A
5V C.T. @ 3A
5V C.T. @ 2A
5V C.T. @ 2A
5V C.T. @ 3A
5V C.T. @ 3A
2.5V C.T. @ 2.5A
5V C.T. @ 3A
5V C.T. @ 4A
5V C.T. @ 2A
5V C.T. @ 3A
5V C.T. @ 2A
5V C.T. @ 3A
5V C.T. @ 2A
5V C.T. @ 2A
5V C.T. @ 2A
5V C.T. @ 3A
5V C.T. @ 3A
5V C.T. @ 3A
5V C.T. @ 3A
5V C.T. @ 3A
5V C.T. @ 3A
5V C.T. @ 1.2A
6.3V C.T. @ 6A
5V C.T. @ 3A
5V C.T. @ 3A
Filament
#2
(VAC)
6.3V C.T. @ 1.5A
6.3V C.T. @ 2.5A
6.3V C.T. @ 2A
6.3V C T @ 2.5A
6.3V C.T. @ 3A
6.3V C.T. @ 4A
6.3V C.T. @ 5A
6.3V C.T. @ 6A
6.3V C.T. @ 2A
6.3V C.T. @ 3A
6.3V C.T. @ 4A
6.3V C.T. @ 5A
5V C.T. @ 3A
6.3V C.T. @ 6A
6.3V C.T. @ 8A
6.3V C.T. @ 2.4A
6.3V C.T. @ 5A
6.3V C.T. @ 2A
6.3V C.T. @ 5A
6.3V C.T. @ 3A
6.3V C.T. @ 3A
6.3V C.T. @ 4A
6.3V C.T. @ 5A
6.3V C.T. @ 3.5A
6.3V C.T. @ 5A
6.3V C.T. @ 6A
6.3V C.T. @ 5A
6.3V C.T. @ 6A
5V C.T. @ 3A
6.3V C.T. @ 5A
6.3V C.T. @ 6A
"Z" Mounting - Drawing
D
Filament
#4
(VAC)
2.5V C.T. @ 2.5A
-
Dimension
Reference
X6
X6
X6
X11
X6
X6
X6
X6
X6
X8
X8
Z10
X7
X7
X8
X11
X20
X20
X7
X10
X11
X20
X13
X13
X14
X8
X20
Z11
Z12
X10
Z13
X11
X13
X11
X20
X13
X20
X22
X15
X21
X22
X15
"Z" Mounting - Dimension Table
Mtg.
Style
Z10
Z11
Z12
Z13
C
J
F
Filament
#3
(VAC)
6.3V C.T. @ 6A
6.3V C.T. @ 6A
-
B
A
2.25
2.50
2.50
2.50
B
2.81
2.81
3.15
3.15
Dimensions (Inches)
C
D
F
G
3.50 2.50 2.44 1.30
3.45 1.87 2.44 1.25
4.08 2.06 2.69 1.84
3.60 2.06 2.69 1.39
H
3.38
3.38
3.75
3.75
J
2.81
2.81
3.13
3.13
H
G
For wiring diagrams - visit our website:
www.hammondmfg.com
A
EUROPE
Basingstoke, UK 01256 812812
AUSTRALIA
Queenstown, Australia 61-8-8240-2244
CANADA
www.hammondmfg.com
Guelph, Ontario (519) 822-2960
St. Laurent, Quebec (514) 343-9010
41
Cheektowaga, NY (716) 630-7030
USA
©
Power
Part
Number