For the ST-70, MKIII and MKIV
5AR4 / GZ34 Groove Tubes Premium Rectifier Tube
5AR4 / GZ34 Groove Tubes Premium Rectifier Tube
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Sold as each.
Tested and burned In for Quality Assurance
This is the highest current rated 5AR4 / GZ34 in production. Features rugged construction, dual halo getters, thick glass and a black base. I've used this great sounding tube regularly for years in the Dynakit / Dynaco ST-70 and MKIII / MKIV amps with excellent results.
An article about tube selection can be viewed here
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TIPS
Your system can only be as good as its "weakest link". Quality components in good working order (preamp, amp, tubes, speakers, cables, etc.) are the only way to ensure top notch sound and performance from your stereo system.
SHIPPING
All products ship FedEx Ground unless other arrangements are made. All shipments are insured for their actual value. All shipments will require a signature at time of delivery. Ready to Ship orders go out in 3-5 business days. Special Order units ship in 30 days or less. Please see our shipping policy for more information.