(!!!!!) (~ Best Sound Telefunken Quad ~) 12AU7=ECC82 Telefunken Germany <> bottom smooth plates NOS "Tektronix Checked" 1960's 1-3% matched (ultra-low noise quad)

$ 488.88

1 ultra-low noise quad) 12AU7=ECC82 Telefunken Germany <> bottom NOS "Tektronix Checked" 1960's in white boxes from bulk-pack of 100

1 tube) 9.2/10.4ma Gm=2100/2300 

1 tube) 9.2/10.2ma Gm=2100/2200

1 tube) 9.8/10.2ma Gm=2200/2200

1 tube) 9.5/11.0ma Gm=2100/2300 


Good Ma = 8-10ma

Good Gm = 1800-2200

Recommended for

Wavac prt1 preamp (pr-t1)

Audio Note M1 preamp

Octave (Germany)

VTL TL 7.5 MKII preamp

VTL 6.5, Audio Note M8

Mastersound PH-1

Airtight TC3


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