Isometric Tour 800
Model ISO-T800
Price history
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Isometric Tour 800: the stiff “high speed touch player” frame of Yonex’s 1990s range
The “Tour” in Slim, Tour, Power, Long
Yonex’s 1996 Asian catalog sets out its Isometric Series under four words printed across the spread, Slim, Tour, Power and Long, and the Isometric Tour 800 is the racquet under “Tour.” It is one of three Professional-level frames on the page, with a high-modulus graphite frame and shaft, the catalog’s top rating of 5 for flex, power and control, and a tag line that sets it apart from the other two, both labeled for power players: “High speed touch player.” It carries no New tag, which suggests it was already on sale; the catalog is its earliest documented appearance. In 1999 Yonex USA listed it as the only stiff racquet on its Isometric Series page.
High-modulus graphite, stiff, 2U
The 1996 catalog lists a built-in T-joint and high-modulus graphite for both frame and shaft, the same lines it prints for the Isometric Power 600 beside it. Yonex USA’s Isometric Series page of 1999 fills in what the catalog leaves out: flex Stiff, an H.M. graphite frame and shaft, weight 2U (90–94 g), grip G4, and a stringing recommendation of 16–18 lb on the mains and 18–20 lb on the crosses. A Yonex spec chart dated to 1999 plots it at the stiff end of its flex scale and at the top for power and control. Yonex’s US copy said the series paired the isometric head, which makes main and cross strings equal in length, with the built-in T-joint “for more stability,” and credited the isometric shape with a “32% larger” hitting area. Yonex published no balance or country of manufacture for the Tour 800.
No player on record
No player is documented using the Isometric Tour 800. The 1996 Isometric spread carries no player photographs, and “Professional” there is the catalog’s player-level label, which it also gives the Slim 10 and Power 600. Yonex USA’s page said the Isometric series “created the most successful series on tour for the 1997 season,” but named neither a player nor a model.
Six Isometrics, and a Tour-300
The 1996 spread shows six Isometrics: the Slim 10 (tagged New), Tour 800 and Power 600 for professionals, and the Power 200, 250 Long and 150 Long for advanced players; each of those three has its own page. The Power 600 carries the Tour 800’s exact printed specification and differs on the page in name, finish and tag line; it has its own page. The green-and-yellow Slim 10 may be the export name of the Super Isometric 10 that Yonex Japan launched in early 1996, but Yonex never equates the two. The Isometric Tour 300 that Yonex USA listed beside the Tour-800 in 1999 is a different racquet, with a graphite frame and a Medium Stiff flex; it has its own page. In the catalog photo the Tour 800 has a dark frame with yellow and orange-red accents, an orange-red throat and upper shaft printed ISOMETRIC TOUR 800, and a black full cover lettered in gold. Yonex names no color, and no other colorway or edition is documented.
Listed from 1996 to 1999
No Yonex price or item code for the Tour 800 is documented. A US club’s price list for 1997 still offered it. In 1999 it appeared on Yonex USA’s Isometric page and on Yonex’s spec chart, where it and the 250 Long are the only two of the 1996 spread’s six Isometrics still listed. The 2000 Asian catalog dropped it: its Isometric pages open with the Ti Swing Power, Swing Power-500 and 750 Muscle and do not list the Tour 800. Yonex USA’s page stayed online unchanged into 2001, which dates no sale; 1999 remains the last year a Yonex lineup documents the racquet, and no production end is documented. None of Yonex Japan’s archived product and old-model pages, which begin in 2000, names it. No verified sales are recorded yet.
Checking the name
No counterfeit of the Isometric Tour 800 is documented. The likelier mistakes are of identity: the Power 600 shares its catalog materials and ratings and the Tour-300 its Tour name, so the printed model name decides. Some resale listings use the name “Isometric Pro 800,” which no Yonex source documents; the only Pro-named Isometric on Yonex Japan’s archived lists is the Isometric Pro 700 Long of 2000, so a “Pro 800” should not be taken for the export Tour 800 without a print to match. A frame about 30 years old also deserves a close look at the throat, the hoop and the grommets.
Between the Isometric 500 and the Swing Power
The Tour 800 sits between two landmarks of Yonex’s isometric story. The square head arrived in 1992 with the Isometric 500, which does not appear on the 1996 spread. The Super Isometric 10, Yonex Japan’s hollow “razor frame,” followed in 1996, and in 1998 the Isometric Swing Power 900 sold one racquet in four tuned types. Each has its own page. The Tour 800 is the stiff, high-modulus touch frame of the years between, and one of two Isometrics, with the 250 Long, that Yonex’s export lists carried from the 1996 catalog to the 1999 chart.
Read the shaft: the 1996 catalog photo shows ISOMETRIC TOUR 800 printed on an orange-red upper shaft, with an orange-red throat and a dark frame with yellow and orange-red accents; the head should have the squared isometric shape. Yonex documents a built-in T-joint and a high-modulus graphite frame and shaft, and Yonex USA’s 1999 page adds a Stiff flex, 2U (90–94 g) and grip G4; no Yonex source lists another weight class. Yonex published no balance or country of manufacture, so treat a seller’s figures as unverified. A frame printed POWER 600 or TOUR-300 is a different racquet, and no Yonex source uses the name “Pro 800.” Check the throat, the hoop and the grommets on a frame this old.
The Isometric Tour 800 is a piece for collectors of Yonex’s pre-titanium Isometrics: the stiff touch-player frame of the 1996 range, documented in one Asian catalog, one spec chart and Yonex USA’s 1999 page. Buy on the printed name, the squared head and the 2U class, and treat a seller’s claim of a Japanese version, another weight or a player connection as unproven until a Yonex source supports it.