Selmer U.K. Truvoice Treble-N-Bass 50 Watt Head 1963-64 $1,850.00 Quantity Selmer U.K. Truvoice Treble-N-Bass 50 Watt Head 1963-64 quantity Add to cart Description Selmer U.K. Truvoice Treble-N-Bass 50 Watt Head 1963-64 Faux Snakeskin 50-50 Watts, 2x EL34, 4x 12AX7 (ECC83) Just Serviced Add to Wishlist Category: Amps & Preamps. Related Products Dan Armstrong 100 Watt Head 1969-1970 $899.00 Marshall Vintage Modern 2266C 2012 $1,627.00 Vox Berkeley III Head, Cabinet & Stand $775.00