Here is a set of two New In Box, New Old Stock 5V4GA (equivalent to the GZ-32) tubes (that can often sub for your GZ-34 tubes). These both test excellent, like the new tubes they are; plus, they test very closely as you can see in the pictures. The RCA tube has a date code of "ML" and the GE has a date code of "188-5 over RV." The included boxes are original. The RCA box has a bit of wear at the top flaps, requiring a bit of tape, while the GE box shows a faded orange color only on the top. The RCA 5V4GA is the "gray plate" variety type while the GE 5V4GA is a "black plate with shiny ends" type. This set of two tubes is a good way for "tube rolling" experiments as you may actually hear differences between these two 5V4GA varieties. Standing approximately 3 1/4" above the chassis, these tubes can often substitute for a GZ-34/5AR4. In many EL84/6BQ5 amps, even stereo amps, these can easily replace the now expensive GZ34. When tested as 5V4GAs, the results are in the pictures; these are very strong, new tubes. When tested as 5U4/5AR4s, they are almost equally strong
proving these are new tubes with many years of trusted service available (when used within their ratings). Fastest shipping occurs with payment via a usps postal money order. Bank checks and bank money orders must clear my bank before shipping. Due to their size, these tubes must be packed in a strong box. Postal cost will be $9. anywhere within the USA.
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