The New
For large triode output tube GM70 4P for PTFE socket GM70 10,000yen
That is able to replace U.S. system UX-4P and Europe system UF-4P UX-UF 8,000yen
That is able to replace old type UV-4P such as UX-4P and Western Electric UX-UV 8,000yen

GM-70 is the highly efficient large output tubes of nearly 845 characteristics with 3 large pole output tubes that were manufactured with Russia etc.
Nearly comparatively back of low big, the form is the transmitting tube of the impression that was sturdy 813 etc. of America. Even the sound that the spec. called heater 20V 3.1A, plate loss 125W appear with fairly big heater capacity, than 845 etc. is able to imagine extraordinary sound.
There is such indication that there is not a socket although there is a vacuum tube than before and manufactured. Twenty the single with-the output is such a case that is obtained of about 30W. Please try it.

Two seeds of after are the socket of a multiple youth type.
For instance, we replace the Europe tube of the UX socket and PX4, PX25 etc. such as 300B and 2A3 and also, or' and hear and designed such that we are able to share the vacuum tubes of 2 systems with one socket WE205D, WE101D etc. between for instance, it compares it' 45.
Four pin of 45 degrees of direction of the UX-UF sockets are for UX-4P and 4 pin of the top and bottom right and left become with for UF-4P.

Also, going up and down in the UX-UV type 4 pin become with for UV-4P right and left.
Because each pin of each socket is in independence each heater voltage, bias value etc. are able to set up it separately.
These sockets are able to use it for 205D etc. of the PX25 vacuum tube, or, UX-4P base of the UX-4P base that are reproduced recently conveniently.
As for these vacuum tubes a comparative audition is not produced in order that the spec. of the pin differs from the base from the vacuum tube of the vintage although it is commercialized on 4P basis UX-as the user-friendliness is good.
The ordinariness puts it by using the vacuum tube of the reproduction type to, such a case and even the such usage that uses a precious vintage tube becomes possible only when it is special. Besides, please make use of it for unique amplifier make with your idea, because various usage are produced with the device details.

4P for GM70 10,000yen
Matching vacuum tube: GM70 (the Russian display: ГМ-70)
(It is the possibility that correspond by increasing the pin number to GK71 (ГК-71) of the 7P type. Please inquire it to our company for details. It is the material of a socket: PTFE shaving
Material of the pin: the neighbour bronze, unmagnetism foundation processing gold plating
External form measure: 58 (w) 58 (D) 28 (H) the height other than the pin: 20 mm
Shashih attachment measure: the hole diameter 55 mm, the screw interval 48 mm, 4 point stopping by the M3 bolt

UX-UV 8,000yen
The matching vacuum tube: the vacuum tube (WE300B. 2A 3,45, or 205D, E, 101D, F, 102 etc.) of UX-4P or UV-4P types 90 degrees the pin of 4 pcs of direction 4 pin of the direction match to the vacuum tube of the UX-4P type 45 degrees UV-4P type. All each pin are the wiring possibility in independence.
It is the material of a socket: PTFE shaving
Material of the pin: the neighbour bronze, unmagnetism foundation processing gold plating
External form measure:33 (w) 46 (D) 28 (H) the height other than the pin: 20 mm
Shashih attachment measure: the hole diameter 30 mm, the screw interval 38.2 mm, 2 point stopping by the M3 bolt

UX-UF 8,000yen
The matching vacuum tube: the vacuum tube (WE300B. 2A 3,45, or PX4, PX25, DA30 etc.) of UX-4P or UF-4P types 90 degrees the pin of 4 pcs of direction 4 pin of the direction match to the vacuum tube of the UX-4P type 45 degrees UF-4P type. All each pin are the wiring possibility in independence.
It is the material of a socket: PTFE shaving
Material of the pin: the neighbour bronze, unmagnetism foundation processing gold plating
External form measure:33 (w) 46 (D) 28 (H) the height other than the pin: 20 mm
Shashih attachment measure: the hole diameter 30 mm, the screw interval 38.2 mm, 2 point stopping by the M3 bolt

Yamamoto sound craft Co., Ltd.
726 Sakaki-tyo Ono-city Hyogo 675-1323 Japan TEL81-794-62-5655 FAX81-794-63-6405