TRANSFORMERS FOR CLASSIC AMPLIFIERS

Please request package style when ordering. Dimensions may not match the original. We are continually adding to this list. Please ask support if you have a new requirement.

CLASSIC AMPLIFIER TRANSFORMERS
AMPLIFIER TYPE SIZE
DYNACO Stereo ST70 MAINS 360-0-50-360 V at 300 mA
6.3 V CT@ 4.5 A, 6.3 V CT@ 4.5 A, 5V @ 3A. 120+120 V primary. Style "T" .		 9079 P
OUTPUT 6600 43% taps to 16/8/4 ohms Style "T" or "S" on request. UA21 N
QUAD II
MAINS
WW primary (100-120V) to 310-0-310 V @ 200 mA, 5 V @ 2 A, 6.3 V CT @ 6A. Electrostatic screen. Fits on chassis but not in the original can. You may need to make an adapter plate.		 8966 N
MAINS
EU primary (200-250V) to 310-0-310 V @ 200 mA, 5 V @ 2 A, 6.3 V CT @ 6A. Electrostatic screen. Fits on chassis but not in the original can. You may need to make an adapter plate.		 8967 N
CHOKE
20H at 20 mA.  DCR 500 ohms approx. Open frame.		 9842 A
RADFORD
Tech info on request
to support		 OUTPUT T2063 (STA15 series 2) 
8K ohms 43 % taps to 16/8/3 ohms. 15 W at 20 Hz		 9156 N
OUTPUT T2142 (STA15 series 3)
7.5K ohms 43 % taps to 16/8/4 ohms. 25 W at 20 Hz		 9342 N
OUTPUT T2075 (STA25 series 3&4)
5K ohms 43 % taps to 16/8/4 ohms. 25 W at 20 Hz		 9195 N
CHOKE T2165 (STA25) 3 H 250 mA 18 ohms 9196 N
CHOKE T2072 (STA15) 10H 250 mA 67 ohms Open frame 9158 J
MAINS T2064 (STA15)
0 10 210 230 250 V to 350-0-350 250 mA, 6.3 V CT @ 4 A, 6.3 V CT @ 4 A, 5 V  @ 2 A Fully shrouded		 9157 P
MAINS T2093 (STA25)
2 x 110 120V to 350 V @ 400 mA,  120V @ 50 mA,  6.3 V CT @ 4 A,  6.3 V CT @ 4 A,  6.3 V @ 2 A  Fully shrouded		 9194 P
ACROSOUND TO350 OUTPUT 6600 to 16/8/4 ohms. 100 W. Separate 43% UL winding 8994 P
MULLARD 20W, LEAK STEREO 20 UA21 N
LEAK TL12 TL25 UA23 N
WILLIAMSON "The Williamson Amplifier"
Audio Amateur Press		 OUTPUT 10K to 16/8/4 ohms. (Our own optimised design) 8950 P
MAINS 8951 N
CHOKE 30 H 40 mA 8609 A
CHOKE 10 H 200 mA CA15 F
GEC 100 W UL Fixed bias
Circuit: Page 63 "Audio Frequency Amplifier Design"
Audio Amateur Press		 OUTPUT T1 4500 ohms, 100W at 25 Hz U070 P
Choke L1 5 H at 400 mA CA09 J
Choke L2 20 H at 50 mA CB25 A
MAINS T2 650-0-650 at 325 mA, 6.3 V CT at 5 A, 4 V at 7 A, 75 V at 10 mA M071 Q