EL34 Mullard UK branded Siemens XF3 single halo “”O”” NOS 1973 – could make pair with XF2 Mullard Siemens

78ma

Gm=11,000

Recommended for

– Diezel Stereo Guitar Amplifier

– CARR amplifiers

– Marantz 2

– Manley Snapper

– Randall RT2/50 power amp

– Germino Fillmore

– Germino Club 40

– HIWATT DR103 – Custom 100 Head

– Heritage Colonial 50W

– Elmwood

– THD

– Marshall JTM68 (50 watt)