Mullard 6GH8A NOS Tube - Britain - Branded Zenith - 1967 - For McIntosh H.H. Scott - Testing New

One excellent Mullard Great Britain 6GH8A tube

• Satisfaction Guaranteed
• Testing Strong
• O Halo
• Gray Plate
• Copper Grid Posts
• Acid Etched Codes: AAC1 = 6GH8A
• Acid Etched Codes: B7H1 = Mullard Great Britain year 1967
• Later Branded Zenith (with GE date codes 188-5 and 68-43)
• Stencils are good with some fading
• The Mullard 6GH8A is a rare find
• This one is in a new white tube box

Goes Great with:

• HH Scott 222C
• Dynaco by Panor Stereo 70, series 2
• Browning Golden Eagle Mk III radio

Test Results:

Where the Triode section 4,500 Gm is minimum good and 7,000 is average new

Where the Pentode section 3,900 Gm is minimum good, and 6,000 Gm is average new

This tube tested at:

• Triode 5,500 Gm and 7.2 mA
• Pentode 5500 Gm and 6.5 mA
• Verified no leakage, shorts, or noise

SKU # C3-3 81511005