TC Tubes and Audio Repair

Repair services include tube and solid state gear, turn table set-up, and tube-testing in Twin Cities Metro Area. Authorized Grado and Ortofon dealer.
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5AR4 / GZ34 tubes

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Mullard GZ34 / 5AR4 - 7 notch plates, BVA insignia

Price: $174.00

This 1960s Mullard GZ34 / 5AR4 full-wave rectifier tube has plates with 7 notches and a hole in the centering pin (f32 series). The white label has the Mullard shield logo with BVA military insignia. Tube tests as new with balanced diode sections.

Valve Art 5AR4 / GZ34 - brown base

Price: $29.00

This Valve Art 5AR4 / GZ34 full-wave rectifier tube has welded gray plates and a halo getter. The gold print on the glass has the Valve Art logo and says "O&J, China." Tube is tested for tight section match and ships in its original box.

TC Tubes specializes in precision testing and matching of vintage and new production vacuum tubes for guitar & bass players, audiophiles, and DIY tube audio enthusiasts. Our website features secure payment options and fast, convenient shipping around the world.


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