YOU GET ALL 4 TUBES FOR THE BID

 THESE GENUINE TUNGSOL TYPE 6520 TUBES ARE EXCELLENT DIRECT REPLACEMENTS FOR WESTERN ELECTRIC 421A AND CHATHAM 5998

 ALL 4 TUBES TESTED EXCELLENT BALANCED AND MATCHED 

 THESE TUBES ALL TESTED NOS CONDITION . These tubes are amazing 

 These tubes are super high quality . Black plates and double large  D   D   getters   clear tops 

  

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112316- 6520    AUDIOPHILE PLATINUM SHELF SAFE BOX 3                   4 TUBES FOR THIS SALE  . 

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METAL BASE EL34 GZ34 5AR4 ECC803S TELEFUNKEN 

AD1 DO20 E406N M457 P650 RV258 50
AD101 DO24 F410 PA20 R120 TE06N VT52/45Sp
BF25 DO30 KT66(GEC) PA40 RE604(TFK) TM100 VT62/801A
Da DO75 KT88(GEC) PP3/250 RS237(TFK) V503 71A 
DA30 Eb LK460 PP5/400 RS241(TFK) 845(USA)
DA60 EBⅢ LK4100 PX4 RS243(TFK) 2A3(RCA) 
DA100 Ed(Siem) LK4110 PX25 RV239 211/VT4C(RCA,GE)
DET5 E2d(Siem) LK4112 PX25A RV246 211W(U.E)
STC's : 4021A, 4101D, 4104D, 4205B, 4205D, 4242A, 4274A, 4275A, 4300A, 4300B,
3A/167M, 3B/151A, CV851/6B4G(brown base) ･････
WE101D/F WE216A WE271A WE308A WE347A WE437A WE-D86326
WE104D/F WE223A WE274A/B WE310A WE348A WE440A WE-D86327
WE105A WE242A/C WE281A WE328A WE349A WE442A
WE205B/D/F WE252A WE284D WE336A WE350A/B WE-VT2
WE208A WE261A WE300A/B WE339A WE351A WE-VT25A
WE211B/D/E WE262A/B WE301A WE345A WE367A WE-VT52/45Sp

ECC803S ECC83 ECC80 ECC81 6267 7199 RCA ENGLAND TELEFUNKEN EL34 METAL BASE EL84 5AR4 GZ34 HOLLAND AMPEREX 

WESTERN ELECTRIC AMPEREX ENGLAND TELEFUNKEN 300B ENGRAVED 300B 300A 274A 274B 6SN7 VT-231 12AX7 ECC83 6L6GC KT66 KT77 KT88 396A

12AU7 12AT7 ECC801S ECC81 EC802 ECC802S  ECC82 5AR4 GZ34 GZ32 6CA4 EZ81 EZ80 SYLVANIA GOLD LION RCA BENDIX 6900 7044 EL34 EL84 6CA7 6550