NOS Audio Grade Mullard E88CC Gt Britain Rich Holographic Tone +OE Box +FreePost

1 holographic warm sound reproduction (leading brands: telefunken + siemens germany). 2 pleasant long-listen full frequency extension (leading brands: siemens germany + mullard gt britain). 3 natural tone w/ flat response mid-range (leading brands: telefunken + valvo + siemens germany). 4 precision bass w/ depth and resolve (leading brands: siemens + valvo germany + amperex heerlen). 5 musical dynamic sound reproduction (leading brands: amperex heerlen + mullard gt britain). 6 pure clarity w/ layered detail compression (leading brands: telefunken + lorenz germany). Also see our official site for discounts, new part numbers including true-nos sealed-box rarities, and reserve/request options.

Mullards are sought after for rich liquid dynamics and linear holographic imaging. Musical persona w/ a dashing beautiful sparkley finish, nothing compares to mullards full frequency and vocal tonality. E88cc are also known for their mid bloom extension! A long 10k hour life, premium ecc88 upgrade.

Full amplification test for micromhos 100/101 % gm (65% good) + useful life test didnt move the meter! Our unique mutual gm output test applies 225 vdc and filtered dc simulating real applications + leak short gas check. High gm = current transfer capability, especially important for push pull amps and bass response. Studio sound auditioned audio phono mic grade w/ high res monitors and premium aira preamps. Nice silkscreen w/ authentic british glass mark (key authenticator) and etch codes visible 7l series.

Give 100+ session hrs w/ your specific amps voltage to fully cure (important breakin process). Authentic vintage hifidelity audio curation by caliacoustics.