Tube Driver - Interstage (124 Series)
TUBE DRIVER - INTERSTAGE
TRANSFORMERS
•
Designed for general purpose or replacement use in single ended or phase inverter tube driver circuits.
•
Open style with minimum 5" long primary leads
•
Minimum frequency response 150 Hz. - 15 Khz (+/- 1 db max. ref. 1 Khz.) at full rated power.
• Part number 124B is the same as the 124A except for 49% Nickel laminations for greater fidelity.
•
Part number 124C is the COIL ONLY (for those experimenters who want to use their own "iron").
Part No.
124A
124B
124C
124D
124E
Audio
Watts
5
5
5
5
5
Primary
Impedance
(Ohms)
10K
10K
10K
7K C.T.
15K C.T.
D.C.
Resistance
(Ohms)
403
403
403
454
728
Secondary
Impedance
(Ohms)
90K C.T.
90K C.T.
90K C.T.
15.8K C.T.
33.8K/135K C.T.
D.C.
Resistance
(Ohms)
1,524
1,500
1,524
681
3,880
Laminations
Grain Oriented Steel
49% Nickel
None (coil only)
Grain Oriented Steel
Grain Oriented Steel
A
2.38
2.38
-
2.81
2.88
Dimensions (Inches)
B
1.35
1.35
-
1.46
1.74
C
1.43
1.43
-
1.68
2.37
D
2.00
2.00
-
2.38
2.38
G
Mtg.
Hole
0.187
0.187
-
0.187
0.187
Tube Audio
Schematic & Hook Up Data (124A-D)
Red
Blu
PRI
Grn
Blk
Grn
SEC
124A-C
Brn
Red
Blu
PRI
Grn
Blk
Grn
SEC
124D
Schematic & Hook Up Data (124E Only)
Grn/Yel
Blu
Red
Brn
PRI
Blk/Yel
Grn
Blk
SEC
•
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.
Basingstoke, UK 01256 812812
Queenstown, Australia 61-8-8240-2244
EUROPE
www.hammondmfg.com
AUSTRALIA
Guelph, Ontario (519) 822-2960
St. Laurent, Quebec (514) 343-9010
Cheektowaga, NY (716) 630-7030
CANADA
USA
81
©
Tube Driver - Interstage (126 Series)
TUBE DRIVER - INTERSTAGE
TRANSFORMERS
• Designed for driver use ONLY in single ended tube output amplifiers. These units replace coupling capacitor
circuits for improved sound.
•
Closed style with minimum 8" long leads.
• All models use bifilar wound windings for exceptional coupling and bandwidth.
•
Minimum frequency response 20 Hz. - 20 Khz (+/- 1db max. ref. 1 Khz.).
• The core is gapped to support the specified D.C. bias current.
•
Core uses Hi grade silicon laminations (29M6).
•
Units weight - 3 lbs. 2 oz.
Audio
Watts
4
4
4
Primary
Secondary
Rated D.C.
Bias
Current
15 ma.
30 ma.
15 ma.
Dimensions (Inches)
G
Mtg.
Slot
2.50 3.12 3.12 2.00 2.25 .203 x .38
2.50 3.12 3.12 2.00 2.25 .203 x .38
2.50 3.12 3.12 2.00 2.25 .203 x .38
A
B
C
D
E
Tube Audio
Part No.
126A
126B
126C
D.C.
D.C.
Inductance
Impedance
Impedance
Resistance
Resistance
(Ohms)
(Ohms)
(Ohms)
(Ohms)
5K
178
5K
178
59 Henrys
5K
178
5K
178
44 Henrys
10K
375
10K
375
106 Henrys
Schematic & Hook Up Data
Brn
Blu
PRI
SEC
Grn
Blk
Guelph, Ontario (519) 822-2960
St. Laurent, Quebec (514) 343-9010
©
Cheektowaga, NY (716) 630-7030
CANADA
USA
www.hammondmfg.com
Basingstoke, UK 01256 812812
Queenstown, Australia 61-8-8240-2244
EUROPE
82
AUSTRALIA
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