Home » (!!!!!) (Best Pair #1) ECC83=12AX7 Mullard UK branded Philips ribbed plates NOS 1964-1969 (163 series) (1.5/1.4ma and 1.3/1.4ma) (sweet sound) (Close Gm)

(!!!!!) (Best Pair #1) ECC83=12AX7 Mullard UK branded Philips ribbed plates NOS 1964-1969 (163 series) (1.5/1.4ma and 1.3/1.4ma) (sweet sound) (Close Gm)

$ 418.88

1 low noise pair) ECC83=12AX7 Mullard UK branded Philips ribbed plates NOS 1964-1969 (163 series)

1 tube) 1.5ma/1.4ma Gm=1800/1800 (163-B4D3=1964)

1 tube) 1.3ma/1.4ma Gm=1700/1800 (163-B9I1=1969)

Good NOS mA = 1.0mA+

Good NOS Gm = 1500-1600+

Tested on Amplitrex

Recommended for

- Top Hat King Royale
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- Mesa Boogie Mark 2C+ 1984
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- Jolida CD player
- Landgraff Custom 50W
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- Two Rock

- Sonic Frontiers amp

See more: vacuum tube

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