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Rare windmill-getter raytheon 5670 (we 396A 2C51 6N3P)


These are rare early-production version of 5670. Both tubes have identical production and batch codes (produced and packaged on 15th week (April) of 1964).
Raytheon JRP-5670 s are characterised by windmill-shaped getters (please refer to the photo), while general purpose CK-5670 usually have square or double-armed halo (O) getters.
Raytheon JRP-5670 has very solid construction for US Military purpose (JRP, not general purpose CK code), with extra thick glass envelope, triple mica and heavy plate construction, which all add to reduce microphonics.
Windmill getter JRP-5670 s are favoured over CK- and other equivalents of 5670. Have a quick search through audio forums and see how people describe Raytheon JRP-5670 with windmill getters.
Over the last few years 5670 / 396A / 2C51 / 6N3P have really sprung up in the audiophile world as having very linear curves and excellent sound as result.



Rare windmill-getter raytheon 5670 (we 396A 2C51 6N3P) Rare windmill-getter raytheon 5670 (we 396A 2C51 6N3P) Rare windmill-getter raytheon 5670 (we 396A 2C51 6N3P) Rare windmill-getter raytheon 5670 (we 396A 2C51 6N3P)