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RCA / 6SN7GTB-RCA BLACK LADDER PLATE BALANCED
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All prices contained on this page are exclusive of VAT. This is currently charged at 20% and is payable by the UK only.
A test report is available click here to view
All prices contained on this page are exclusive of VAT. This is currently charged at 20% and is payable by the UK only.
A test report is available click here to view
One of the most famous American Valve manufactures of all time. RCA was responsible for designing and manufacturing many important valves such is the 6V6GT, 6L6GC, 7027a and the super EL84 known as 7189.
RCA also pioneered many advances in manufacture such as the black plate coating and had a hand in helping GEC make the famous KT66.
Last OneBalanced triode sections
RCA 6SN7GTB Black ladder plate was made by RCA in the USA.
Many customers have told us this is the best 6SN7 type for audio. In high end audio applications the valve is very musical and clear. The high end is vibrant with excellent detail on strings cymbals and horns. The valve has an excellent musical midrange with a fast and fluid bass.
The GTB was an uprated version of the GT and GTA, The GTB has and uprated anode dissipation of 5W (the GT is rated for 2.5W) and has a controlled heater warm up time which gives longer life. These valve features the black ladder plate ribbed anode.
Theses valves have been Dynamically Drive tested under real working condition and are matched on db gain and have passed the following tests:
Gain (db) Drive Tested
Transconductance (gm) Drive Tested
Output Drive Tested
Noise 1 (signal to noise)
Noise 2 (Aural)
Microphonics Test 1(Ambient)
Microphonic Test 2 (Shock)
Cathode Test
Grid Leakage Test
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