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Vacuum Tube Pitch Conversion Board (AT-MT9P)

Original price ¥1,276 - Original price ¥1,276
Original price
¥1,276 - ¥1,276
Current price ¥1,276
(Prices include tax)


Converts 12AX7 and other vacuum tubes to 2.54mm pitch

Prices have been revised effective July 1, 2023.

Conversion board for using vacuum tubes on universal boards and breadboards. Subminiature tubes can also be soldered; sockets for 9-pin Mt tubes and 2.54mm pitch pin headers are included.

Main Specifications

Model No.
Material types
Glass Epoxy (FR-4)
Double-sided / Single-sided
Main unit size
34.0 x 38.0 x 1.6t (mm)
Number of pieces
1 piece
Product size (including packaging, approx.)
40 x 95 x 15 mm
Weight (including packaging, approx.)
JAN code
Country of origin
Hole diameter
0.9mm dia.
Finishing treatment
Resist (black), lead-free solder finish
Pitch before Conversion
Mt tube 9-pin
Pitch after Conversion
Copper foil thickness
Accessories (Contents of set)
Socket (for 9-pin mT tube) x 1, Pin header (9-pin) x 2

★Products are sold one at a time. Please refer to the following if you are interested in a case-by-case basis.

Number of cases (boxes)
10 pieces in a small box
Box size (approx.)
100 x 130 x 75 mm
Small box weight (approx.)


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