Merren Audio

Marshall Power Transformer reproductions

Marshall 12,0000 series 100W

Dagnall T2562 Power Transformer Reproduction

Most accurate spot-on version available anywhere

Laydown mounting as used in 67' through early 70's 100W JMP Marshall amplifiers

PRIMARY: 100V, 120V, 220V, 230V and 240V AC, 50 or 60Hz operation

Secondaries: 6.3V AC , 100V AC bias winding

 Typical B+ voltage: 465V @ 150mA quiescent load.

or switchable to

B+ voltage: 500V @ 150mA quiescent load.

with Copper Flux Band

Stack Height: 1.8" 

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Marshall 10,0000 series 100W

Reproduction of the

Drake # 1203-80 Power Transformer

As used in 1967 100W JTM Marshall amplifiers

PRIMARY: 120V, 200V, 220V and 240V AC, 50 or 60Hz operation

Secondaries: 6.3V AC , 100V AC bias winding

Original B+ voltage: 490V @ 150mA quiescent load.

or switchable to

Low voltage option B+: 455V @ 150mA quiescent load.

 Stack Height: 2.5" 

Bottom View: TERMINATIONS

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Marshall JTM 45/100

Drake # 1202-43 Power Transformer Reproduction

Laydown mounting as used in 1966 aluminum chassis 100W Marshall amplifiers

with four KT66 valves

With TRIPLE SECONDARY VOLTAGE OPTION

PRIMARY: 120V, 220V, 230V and 240V AC, 50 or 60Hz operation

Secondaries: 6.3V AC 

 ORIGINAL B+ voltage: 560V @ 160mA quiescent load.

or switchable to

Middle B+ voltage: 500V @ 170mA quiescent load.

or switchable to

Stack Height: 3" 

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Marshall JTM 45

Drake # 1202-55 Power Transformer Reproduction

Laydown mounting as used in 1965 through 1966 aluminum chassis  Marshall amplifiers with two KT66 valves

PRIMARY: 100V, 120V, 220V, 230V and 240V AC, 50 or 60Hz operation

Secondaries: 6.3V AC, 5V AC TUBE RECTIFIER FILAMENT

 ORIGINAL B+ voltage: 450V @ 100mA quiescent load with GZ34

Original Stack Height: 2" 

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Marshall JMP 50

Drake # 1202-118 Power Transformer Reproduction

Laydown mounting as used in 1967 through 1969 steel chassis  Marshall amplifiers with two EL34 valves

PRIMARY: 100V, 120V, 220V, 230V and 240V AC, 50 or 60Hz operation

Secondaries: 6.3V AC, 5V AC TUBE RECTIFIER FILAMENT

 ORIGINAL B+ voltage: 420V @ 100mA quiescent load with Solid State Diodes

Original Stack Height: 2" 

 Available as # 1202-164 in Stand-Up mounting for 69' and later chassis   

Marshall™ is a trademark of Korg USA inc.

Merren Audio power transformers are engineered for long-life and trouble free operation. 

All transformers are double varnished and baked for ultra low noise operation.