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Preamp tubes

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(!) (Best Pair) 6SF7 Tungsol NOS 1954 (12ma and 12.2ma) 1-2% matched

(!) (Best Pair) 6SF7 Tungsol NOS 1954 (12ma and 12.2ma) 1-2% matched

$ 11.99
(!!!) (Good Value Pair) 6SN7GTB RCA ADT NOS 1959 (8.4/7.7ma and 8.8/6.7ma)

(!!!) (Good Value Pair) 6SN7GTB RCA ADT NOS 1959 (8.4/7.7ma and 8.8/6.7ma)

$ 99.99
(!!!!) (Single) 12BH7 Tungsol branded Shield gray oval plates

(!!!!) (Single) 12BH7 Tungsol branded Shield gray oval plates "U" getter halo NOS 1961 (11.8/16.5ma) (Highest mA and Gm)

$ 59.99
112A Rayovac Balloon engraved base used/very good, internals like a UX-112A RCA (8.5ma)

112A Rayovac Balloon engraved base used/very good, internals like a UX-112A RCA (8.5ma)

$ 44.99
11BM8 Raytheon Hitachi JAPAN NOS (0 in stock)

11BM8 Raytheon Hitachi JAPAN NOS (0 in stock)

$ 5.99
11BM8 RCA Hitachi JAPAN NOS (0 in stock)

11BM8 RCA Hitachi JAPAN NOS (0 in stock)

$ 5.99
11BM8 Sylvania Hitachi JAPAN NOS (0 in stock)

11BM8 Sylvania Hitachi JAPAN NOS (0 in stock)

$ 5.99
(!!!!!) (Best Sound for the Money Pair) JAN-12AT7WC Sylvania black plates NOS 1980 (7/8ma and 7.3/8.2ma)

(!!!!!) (Best Sound for the Money Pair) JAN-12AT7WC Sylvania black plates NOS 1980 (7/8ma and 7.3/8.2ma)

$ 49.99
(READ REVIEW) ECL82=6BM8 Pope and Valvo Holland 1960-1966 (2.1/36ma and 2.1/34ma)

(READ REVIEW) ECL82=6BM8 Pope and Valvo Holland 1960-1966 (2.1/36ma and 2.1/34ma)

$ 0.00
(!!!) (Best Sylvania Pair) 12AZ7A Sylvania black plates NOS 1960's (14.2/14.6ma and 12.6/12.8ma)

(!!!) (Best Sylvania Pair) 12AZ7A Sylvania black plates NOS 1960's (14.2/14.6ma and 12.6/12.8ma)

$ 39.99
(!!!!) (Pair) 12B4A GE NOS rebranded Raytheon and RCA 1960's (35ma and 37.5ma) (same Gm)

(!!!!) (Pair) 12B4A GE NOS rebranded Raytheon and RCA 1960's (35ma and 37.5ma) (same Gm)

$ 20.99
(!!) (SINGLE) 6SN7GTB Westinghouse Rad-Tel Tube Co. gray plates

(!!) (SINGLE) 6SN7GTB Westinghouse Rad-Tel Tube Co. gray plates "O" getter halo NOS 1964 (8.4/7.4ma)

$ 49.99
(!!) (Best Value Single) 7199 Sylvania branded GE NOS 1966 (10ma/8.6ma)

(!!) (Best Value Single) 7199 Sylvania branded GE NOS 1966 (10ma/8.6ma)

$ 69.99
E83F=6689 Siemens Holland NOS 1963 (10.6ma)

E83F=6689 Siemens Holland NOS 1963 (10.6ma)

$ 39.99
(!!!!!) (Holland Single) 12AU7 Pope Holland NOS 1971 dimpled disc halo (12/13.4ma)

(!!!!!) (Holland Single) 12AU7 Pope Holland NOS 1971 dimpled disc halo (12/13.4ma)

$ 129.99
(READ REVIEW) 5BQ7A RCA black plates NOS 1964 (11.6/14.4ma)

(READ REVIEW) 5BQ7A RCA black plates NOS 1964 (11.6/14.4ma)

$ 0.00
(!!) 12BY7 Sylvania coated glass NOS 1953 faded printing (21.5ma)

(!!) 12BY7 Sylvania coated glass NOS 1953 faded printing (21.5ma)

$ 11.99
(!!!!) (Best Pair) 5751 RCA black plates NOS 1976 (2.5/3.1ma and 2.5/2.8ma) (Best Audio Grade 5751)

(!!!!) (Best Pair) 5751 RCA black plates NOS 1976 (2.5/3.1ma and 2.5/2.8ma) (Best Audio Grade 5751)

$ 249.99
(!!!!) (Recommended Single) JG-6072 GE black plates triple mica

(!!!!) (Recommended Single) JG-6072 GE black plates triple mica "U" getter halo like new 1950's (2.5/3.1ma) (recommended for guitar amp or mic preamp)

$ 199.99
102D Western Electric NOS 1954 large getter (0.7ma Gm=600)

102D Western Electric NOS 1954 large getter (0.7ma Gm=600)

$ 249.99
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