Amperex Bugle Boy 6DJ8 ECC88 Heerlen, Holland matched construction pair.

Test 9000/8600 & 9600/9800 where good is 8400 in a Triplett 3444/Westmore 501 laboratory tube analyzer restored and upgraded by Paul Hart.

Listening tested for excessive low noise & microphonics in a Maxi-preamp 2 tube tester.

All tubes are guaranteed good or may be returned.  

Shipping includes insurance.

Please see our other items for more vintage tubes & audio.

We combine orders for shipping.

We don't change values for customs.  

Thank You.