Silver plated tubes may exhibit some silver tarnish (which does not detract from performance). Some tubes may show faint marks from the socket in our testing equipment.
New Old Stock * No longer available for export MFR: Amperex SKU: 8560AS-AMP
The 4X150D tetrodes are compact power tubes intended for use as amplifiers, oscillators, or frequency multipliers at frequencies up to 500 megacycles. They are designed for operation at a heater potential of 26.5 volts.
Used * No longer available for export MFR: Eimac SKU: 4X150D-EI-P