Mullard CV4004 / 12AX7, Matched Quad
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<div style="text-align:left"><b>[Product Information]</b></br><ul><li><span class="a-list-item"> 
							Matched Quad
							
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							Matched for both gain and conductance
							
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							Short plate, allowing for reduced microphonics (great for combo amps)
							
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							High gain and low noise tube
							
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							Great for use in Marshall style amps
							
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