124 Picture

124 Series

"CLASSIC" AUDIO
TUBE DRIVER
TRANSFORMERS


Key Features:

Cat. No.

Audio
Watts

Primary Impedance
(Ohms)

Secondary Impedance
(Ohms)

Secondary
Winding

Laminations

Dimensions (Inches)

A

B

C

D

Price:

124A
5
10K
90K
C.T. Grain Oriented Steel
2.38
1.35
1.43
2.00

$37.48

124B
5
10K
90K
C.T. 49% Nickel
2.38
1.35
1.43
2.00
$66.14
124C
5
10K
90K
C.T. None
-
-
-
-

$28.65

124D
5
7K c.t.
15.8K c.t.
C.T.
Grain Oriented Steel
2.81
1.46
1.68
2.38
$52.88
124E
5
15K c.t.
33.8K/135K
Dual
Grain Oriented Steel
2.88
1.74
2.37
2.38

$63.93

124F

5

15K c.t. 3.75K/15K Dual Grain Oriented Steel 2.88 1.75 2.37 2.38 $66.66

NOTE:
Our 5C-00 catalog contains a misprint:
Audio Watts of 5 mw. is incorrectly listed, should be 5 watts (as above)

Mechanical Data:

124 Dwg.

Schematic & Hookup Data: (124E Only)

- For Parallel connected operation (33.8K Ohm Secondary): Connect the GRN/YEL wire to the GRN wire AND the BLK/YEL wire to the BLK wire.

- For Series connected operation (135K Ohm Secondary): Connect the BLK/YEL wire to the GRN (this becomes the center tap) - GRN/YEL and BLK wires are the output.


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126 Series

Key Features (126 Series):

Part No.

Audio
Watts

Primary

Secondary

Inductance
Rated D.C.
Bias Current
Dimensions (Inches)
Impedance
(Ohms)
D.C. Resistance
(Ohms)
Impedance
(Ohms)
D.C. Resistance
(Ohms)
A
B
C
D
E

G - Mtg.
Slot

126A
$114.61
4
5K
178
5K
178
59 Henrys
15 ma.
2.50
3.12
3.12
2.0
2.25
.203 x .38
126B
$114.61
4
5K
178
5K
178
44 Henries
30 ma.
2.50
3.12
3.12
2.0
2.25
.203 x .38
126C
$114.61
4
10K
375
10K
375
106 Henrys
15 ma.
2.50
3.12
3.12
2.0
2.25
.203 x .38
 

Mechanical Data (126 Series):

126 Dwg.

Schematic & Hookup Data (126 Series):

 


03-12-2024