Universal Push Pull Tube Output Transformers

Below is a list of various Push-Pull Transformers for Tube Amps along with specifications required for a decision when building your amp project however for more information such as dimensional data please search the product on the site.

If you cannot find the item you wish to purchase on our website then simply send us an email to info@evatco.com.au.

Universal Push - Pull  Tube Output
Part No.	Audio Watts	Max DC BIAS Per Side (mA)	Pmary Inductance
125A	3	20	14.94 H
125B	5	35	8.97 H
125C	8	45	5.60 H
125D	10	55	4.48 H
125E	15	60	2.99 H

Hook-Up Data
Connect	Voice Coil Impedance (Ohms)
Speaker To	1.5	2	3.2	4	6	8	12	15
(Secondary Lugs)	Resulting Total Primary Impedance (Below), Blue Wire to Brown Wire
1 & 2	27000	-	-	-	-	-	-	-
2 & 3	18000	24000	-	-	-	-	-	-
3 & 4	16500	22000	-	-	-	-	-	-
4 & 5	10000	13500	21600	27000	-	-	-	-
5 & 6	8500	11000	18000	22000	-	-	-	-
1 & 3	5400	7200	11500	15000	21600	-	-	-
2 & 4	4200	5600	9000	11200	16800	22500	-	-
3 & 5	3300	4400	7000	8800	13200	17600	26400	-
4 & 6	2400	3200	5100	6400	9600	12800	19200	24000
1 & 4	2150	2900	4600	5800	8700	11600	17400	21500
2 & 5	1550	2050	3300	4100	6150	8200	12300	15500
3 & 6	1300	1700	2700	3400	5100	6800	10200	12800
1 & 5	-	1400	2200	2800	4200	5600	8400	10200
2 & 6	-	-	1700	2100	3150	4200	6300	8000
1 & 6	-	-	1200	1500	2300	3000	4500	5600

General Replacement Tube Output (8 Watt) Push-Pull
Part No.	Audio Watts	Primary Impedance (Ohms)	Secondary Impedance (ohms)	Primary Inductance
125H	8	10K	2, 4 or 8	5.60 H

Part No.	Audio Watts	Primary Impedance (Ohms)	Secondary Impedance (ohms)	Primary Inductance
125J	8	2.5K or 4K	6/8 or 3.2/4	5.60 H
PRIMARY IMPEDANCE
Plate to Plate
Brown to Blue	SECONDARY IMPEDANCE		USE SECONDARY
(Ohms)	(Ohms)		LEAD CONNECTIONS
4,000 C.T.	41857		WHT - GRN
4,000 C.T.	3.2 / 4		WHT -YEL
2,500 C.T.	41857		BLK - GRN
2,500 C.T.	3.2 / 4		BLK - YEL

Part No.	Audio Watts (RMS)	Primary Impedance (Ohms)	Maximum DC Per Side	Secondary Impedance  (ohms)
1608	10	8,000 ct	100 ma.	4 - 8 - 16
1609	10	10,000 ct	100 ma.	4 - 8 - 16
1615	15	5,000 ct	100 ma.	4 - 8 - 16
1620	20	6,600 ct	158 ma.	4 - 8 - 16
1650F	25	7,600 ct	128 ma.	4 - 8 - 16
1645	30	5,000 ct	128 ma.	4 - 8 - 16 - 70V
1650H	40	6,600 ct	200 ma.	4 - 8 - 16
1650K	50	3,400 ct	318 ma.	4 - 8 - 16
*1650M	60	1,400CT/800CT	318 ma.	4 - 8 - 16
1650N	60	4,300 ct	318 ma.	4 - 8 - 16
1650P	60	6,600 ct	200 ma.	4 - 8 - 16
1650R	100	5,000 ct	318 ma.	4 - 8 - 16
1650T	120	1,900 ct	403 ma.	4 - 8 - 16
1650W	280	1,900 ct	806 ma.	4 - 8 - 16

Part No.	Audio Watts (R.M.S)	Primary Impedance (Ohms)	Operation	Suggested Tube Types
1608	10	8,000 ct	Push-Pull (2 Tubes)	6AQ5, 6V6, 6BQ5, EL84, SV83
1609	10	10,000 ct	Push-Pull (2 Tubes)	6AQ5, 6V6, 6BQ5, EL84, SV83
1615	15	5,000 ct	Push-Pull (2 Tubes)	2A3, 6A3, 6AQ5, 6B4G, 6L6, 6V6
1620	20	6,600 ct	Push-Pull (2 Tubes)	6AQ5, 6L6, 6V6
1650F	25	7,600 ct	Push-Pull (2 Tubes)	6L6GC, 6V6, 807, 5881, EL34
1645	30	5,000 ct	Push-Pull (2 Tubes)	6L6GC, 6V6, 807, 5881, EL34
1650H	40	6,600 ct	Push-Pull (2 Tubes)	6L6GC, 807, 5881, EL34
1650K	50	3,400 ct	Push-Pull Par. (4 Tubes)	6L6GC, 807, 5881, EL34, 6146B, 6550B
1650N	60	4,300 ct	Push-Pull Par. (2 or 4 Tubes)	6L6GC, 807, 5881, EL34, 6146B, 6550B, KT88
1650P	60	6,600 ct	Push-Pull (2 Tubes)	6L6GC, 807, 5881, EL34, 6146B, 6550B, KT88
1650R	100	5,000 ct	Push-Pull Par. (2 or 4 Tubes)	807, 5881, EL34, 6146B, 6550B, KT88
1650T	120	1,900 ct	Push-Pull Par. (4 or 6 Tubes)	6L6GC, 5881, EL34, 6550B, KT88
1650W	280	1,900 ct	Push-Pull Par. (6 or 8 Tubes)	6L6GC, 5881, EL34, 6550B, KT88

Part No.	Audio Watts (RMS)	Primary Impedance (Ohms)	Maximum DC Per Side	Secondary Impedance  (ohms)
1608A	10	8,000 ct	100 ma.	4 - 8 - 16
1609A	10	10,000 ct	100 ma.	4 - 8 - 16
1615A	15	5,000 ct	100 ma.	4 - 8 - 16
1650E	15	8,000 ct	100 ma.	4 - 8 - 16
1620A	20	6,600 ct	158 ma.	4 - 8 - 16
1650FA	25	7,600 ct	128 ma.	4 - 8 - 16
1645A	30	5,000 ct	128 ma.	4-8-16-70V
1650G	35	6,600 ct	200 ma.	3.5/8/16/250/500
1650HA	40	6,600 ct	200 ma.	4 - 8 - 16
1650KA	50	3,400 ct	318 ma.	4 - 8 - 16
1650NA	60	4,300 ct	318 ma.	4 - 8 - 16
1650PA	60	6,600 ct	200 ma.	4 - 8 - 16
1650RA	100	5,000 ct	318 ma.	4 - 8 - 16
1650TA	120	1,900 ct	403 ma.	4 - 8 - 16
1650WA	280	1,900 ct	806 ma.	4 - 8 - 16

Part No.	Audio Watts (R.M.S)	Primary Impedance (Ohms)	Operation	Suggested Tube Types
1608A	10	8,000 ct	Push-Pull (2 Tubes)	6AQ5, 6V6, 6BQ5, EL84, SV83
1609A	10	10,000 ct	Push-Pull (2 Tubes)	6AQ5, 6V6, 6BQ5, EL84, SV83
1615A	15	5,000 ct	Push-Pull (2 Tubes)	2A3, 6A3, 6AQ5, 6B4G, 6L6, 6V6
1650E	15	8,000 ct	Push-Pull (2 Tubes)	6AQ5, 6V6, 6BQ5, EL84, SV83
1620A	20	6,600 ct	Push-Pull (2 Tubes)	6AQ5, 6L6, 6V6
1650FA	25	7,600 ct	Push-Pull (2 Tubes)	6L6GC, 6V6, 807, 5881, EL34
1645A	30	5,000 ct	Push-Pull (2 Tubes)	6L6GC, 6V6, 807, 5881, EL34
1650G	35	6,600 ct	Push-Pull (2 Tubes)	6L6GC, 807, 5881, EL34
1650HA	40	6,600 ct	Push-Pull (2 Tubes)	6L6GC, 807, 5881, EL34
1650KA	50	3,400 ct	Push-Pull Par. (4 Tubes)	6L6GC, 807, 5881, EL34, 6146B, 6550B
1650NA	60	4,300 ct	Push-Pull Par. (2 or 4 Tubes)	6L6GC, 807, 5881, EL34, 6146B, 6550B, KT88
1650PA	60	6,600 ct	Push-Pull (2 Tubes)	6L6GC, 807, 5881, EL34, 6146B, 6550B, KT88
1650RA	100	5,000 ct	Push-Pull Par. (2 or 4 Tubes)	807, 5881, EL34, 6146B, 6550B, KT88
1650TA	120	1,900 ct	Push-Pull Par. (4 or 6 Tubes)	6L6GC, 5881, EL34, 6550B, KT88
1650WA	280	1,900 ct	Push-Pull Par. (6 or 8 Tubes)	6L6GC, 5881, EL34, 6550B, KT88

Part No.	Audio Watts (RMS)	Primary Impedance (Ohms)	Maximum DC Per Side	Secondary Impedance  (ohms)
1650KP	50	3400 ct	318 ma.	4 - 8 - 16
1650PP	60	6600 ct	200 ma.	4 - 8 - 16
1650PAP	60	6600 ct	200 ma.	4 - 8 - 16
1650RP	100	5000 ct	317 ma.	4 - 8 - 16

Part No.	Audio Watts (R.M.S)	Primary Impedance (Ohms)	Suggested Tube Types
1650KP	50	3400 ct	6L6GC, 807, 5881, EL34, 6146B, 6550B
1650PP	60	6600 ct	6L6GC, 807, 5881, EL34, 6146B, 6550B, KT88
1650RP	100	5000 ct	807, 5881, EL34, 6146B, 6550B, KT88