![PHILIPS MINIWATT [Holland]](https://www.oldsound.it/img/m/32.jpg)
There is no doubt that this type of GZ34 "METAL RING BASE" is now a "CULT" for all lovers and enthusiasts of Vintage Valves, in particular, for those for AUDIO use, in the power supply sections of amplifiers as it is. it has always been used in the history of audio amplification, from Williamson, Leak, Quad to Mullard circuits and many others. VERY RARE PERFECTLY MATCHED AND BALANCED PAIR of GZ34 PHILIPS "METAL RING" BASE coded rS1 55L and rS1 55D, ie they are a Primordial version, original made in Eindhoven, Holland in 1955 (the second version produced, the first cod. RSB). The valve are used but in extremely excellent condition; for both bright flashed-tops, one has a flashed area near the base, this was sometimes normal in production. Both GZ34s are electrically fully functional with FULL force and emission over 100% (Under TEST for 15 min). Structurally typical RARE construction with smooth cross plates strongly welded, double DD-getter. In the opinion of many, the use of this tube can greatly change the sound of your amplifier; it is not for nothing that Kondo preferred it and used it in the legendary ONGAKU and KAGURA amplifiers.
EQUIVALENT: 5AR4 = CV1377 = 22S22C = GZ34S = GZ34STR - REPLACEABLE: GZ32 = 5V4G = 5U4 = GZ33 = U52
Some of the equipment on which this valve is recommended to be used:
- Bob Latino M-125
- Cary
- Dynaco ST-70
- Scott LK-48
- Matchless SC30
- Matchless Lightning 15
- Melody H2A Integraded Amp
- Modwright Oppo 95 power supply
- Modwright Oppo 105 power supply 9.9
- Modwright PS and 9.0 preamp
- Modwright PS and 36.5 preamp
- Modwright LS100
- Supratek (all models)
- Marshall
- Fender
- Dr. Z Z-28 (6V6 amp)
- VOX AC15, AC30
- Prima Luna PL3 preamp
- Victoria Double Deluxe (Tweed)
- Victoria Regal 2
- Donald North headphone amp
- Cary 302 MK2 phono
- AES AE-3 MKII preamp
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