Matched Octet (8x) NOS/NIB Mullard 5654/6AK5/EF95/M8100 BLACK HOLE plate tubes

For sale is a Matched Octet (8) NOS/NIB Mullard 5654/6AK5 BLACK HOLE plate tubes. Could be used in any amplifier that takes these tubes. Great sounding tubes with tight bass, warmth you would expect from Mullard and clear highs. All tubes come matched within 10% of each other.

All tubes are also tested for noise and microphonics.