ST-70 & MKIV Tube Amplifiers
KT77 JJ Electronics Output Tubes (Matched Quad)
KT77 JJ Electronics Output Tubes (Matched Quad)
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Sold Only in Quads, (4) Tubes - Apex matched set
Use the JJ KT77 in the output stage of the Dynakit / Dynaco ST-70 and MK IV tube amplifier. This tube has an extended frequency response with exceptional lows (even deeper than the E34L's) and wonderful highs. Midrange is smooth, extremely rich with harmonic complexity.
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.