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Preamp tubes

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(!) (Recommended Single) 6GM8=ECC86 SIEMENS HOLLAND NOS 1970 (4.0/5.0ma)

(!) (Recommended Single) 6GM8=ECC86 SIEMENS HOLLAND NOS 1970 (4.0/5.0ma)

$ 19.99
(!) (Recommended Single) PCC88=7DJ8 Tesla NOS 1968 (12.5/15.5ma)

(!) (Recommended Single) PCC88=7DJ8 Tesla NOS 1968 (12.5/15.5ma)

$ 39.99
(!) (SET OF 3) 6SK7 RCA used/good 1940's (7.5ma/7.8ma/7.8ma) (good value)

(!) (SET OF 3) 6SK7 RCA used/good 1940's (7.5ma/7.8ma/7.8ma) (good value)

$ 11.99
(!!!) (nice single) USN-6922=E88CC Amperex USA gold pins used/like new 1962 (16/12.8ma)

(!!!) (nice single) USN-6922=E88CC Amperex USA gold pins used/like new 1962 (16/12.8ma)

$ 79.99
(!) (slightly microphonic) 6SL7GT=VT-229 RCA round black plates like new 1942-1945 era (2.4/2.6ma)

(!) (slightly microphonic) 6SL7GT=VT-229 RCA round black plates like new 1942-1945 era (2.4/2.6ma)

$ 39.99
(!) (slightly microphonic) JAN-CRC-6SL7GT RCA NOS black plates 1951 tilted glass (2.0/2.2ma)

(!) (slightly microphonic) JAN-CRC-6SL7GT RCA NOS black plates 1951 tilted glass (2.0/2.2ma)

$ 32.99
(!) (Slightly microphonic) JG-5814A GE NOS triple mica

(!) (Slightly microphonic) JG-5814A GE NOS triple mica "U" getter halo 1956 (10.2/10.4ma) 1-2% section balance (high Ma and Gm)

$ 19.99
(!) (sold out) 8416 Amperex PQ USA NOS 1965-1967

(!) (sold out) 8416 Amperex PQ USA NOS 1965-1967

$ 0.00
(!) (USED PAIR 1950's) 6BA6 RCA black plates used/test like new 1950's (10.6ma and 10.8ma)

(!) (USED PAIR 1950's) 6BA6 RCA black plates used/test like new 1950's (10.6ma and 10.8ma)

$ 13.99
12.10.22 (!) (Best Pair) 12SA7 RCA NOS (4.8ma and 4.9ma)

12.10.22 (!) (Best Pair) 12SA7 RCA NOS (4.8ma and 4.9ma)

$ 16.99
(!) (~ Best Value Single ~) 6DJ8 EI YUGO NOS 1977 (13.2/13.6ma)

(!) (~ Best Value Single ~) 6DJ8 EI YUGO NOS 1977 (13.2/13.6ma)

$ 21.99
(!) (~ Best Value ~) JG-12AT7WA=6201 GE gray plates triple mica

(!) (~ Best Value ~) JG-12AT7WA=6201 GE gray plates triple mica "U" getter low hours/like new 1958 (8.8/10.6ma)

$ 22.99
(!) (~ Recommended Pair ~) 6HQ5 Sylvania branded Raytheon NOS 1970 era same build (13.2/14.6ma)

(!) (~ Recommended Pair ~) 6HQ5 Sylvania branded Raytheon NOS 1970 era same build (13.2/14.6ma)

$ 11.99
(!) (~ Recommended Pair ~) 6HQ5 Sylvania NOS 1970 era same build (12.5/13ma)

(!) (~ Recommended Pair ~) 6HQ5 Sylvania NOS 1970 era same build (12.5/13ma)

$ 11.99
(!) 12AT7 East Germany branded

(!) 12AT7 East Germany branded "M" Mühlhausen NOS 1970's (8.4/9.0ma)

$ 27.99
(!) (slightly micrphinic single) 12AT7 RCA black plates NOS D getter halo 1959 (12.2/10ma)

(!) (slightly micrphinic single) 12AT7 RCA black plates NOS D getter halo 1959 (12.2/10ma)

$ 49.99
(!) 12AT7=E81CC RTC Radio Technique France NOS 1971 (7.8/8.0ma)

(!) 12AT7=E81CC RTC Radio Technique France NOS 1971 (7.8/8.0ma)

$ 49.99
(!) (slightly microphonic single) 12AU7 Hitachi JAPAN branded IEC Mullard NOS ribbed plates 1968 (9.4/11ma)

(!) (slightly microphonic single) 12AU7 Hitachi JAPAN branded IEC Mullard NOS ribbed plates 1968 (9.4/11ma)

$ 17.99
(!!) (Good Value Single) ECC82=12AU7 Philips Miniwatt Holland used/good 1965 (7.8/10ma)

(!!) (Good Value Single) ECC82=12AU7 Philips Miniwatt Holland used/good 1965 (7.8/10ma)

$ 49.99
(!!) (Best Value Single 1953) 12AU7 Sylvania black plates

(!!) (Best Value Single 1953) 12AU7 Sylvania black plates "D" getter used/strong 1953 no printing (9.6/11.8ma)

$ 39.99
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