Philips ECC88 6DJ8 hyper matched QUAD TUBES audio from private stock NOS unused ever.
It does not get better than this, all sections are matched to each other : 8 x matched innersections !
Testdata from AVO VCM163 are on the cartons, rediculous good quad best available. For ECC88 amps , E88CC , 6DJ8 , CCa and so on. Dimpled dish getters A frame . The ECC88 is a VHF double triode with separate cathodes. The ECC88 was designed for service as a cascode amplifier in the front ends of VHF radio receivers. One triode acted as the local oscillator and the other as the mixer (frequency changer). This exhibit is of earlier manufacture than ECC88 as can be seen by the logo. Also the construction is slightly different. The thin glass tube envelope is 20 mm in diameter and, excluding the B9A base pins, is 48 mm tall. References: Datasheet & 1040. Type ECC88 was first introduced in 1958. SUMMERSALE only $215 Reduced price on sale .