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Riverstone Audio - Vacuum Tube Pin Straightener For 9-Pin (12AX7 / EL84 / 5670) and 7-Pin (5654/5725) Miniature Vacuum Tubes - Hardened Stainless - Hand Held - Straightens Vacuum Tube Pins


Huge Savings Item! Save 17% on the Riverstone Audio - Vacuum Tube Pin Straightener For 9-Pin (12AX7 / EL84 / 5670) and 7-Pin (5654/5725) Miniature Vacuum Tubes - Hardened Stainless - Hand Held - Straightens Vacuum Tube Pins by Riverstone Audio at Worst Album Covers. MPN: 7/9 PIN-RC50. Hurry! Limited time offer. Offer valid only while supplies last. A professional grade hand-held vacuum tube pin straightener. Used to straighten and align vacuum tube pins. Great accessory for professional musician's, audiophile's and repair shop's working with tube-based audio components. Compatible with US/European and Russian/Chinese miniature 7-pin and 9-pin tubes with B7G bases (e.g., 6AK5, 5654 tubes) and B9A bases (e.g., 12AX7, 12AU7, 5670, 6BQ5, EL84 tubes). Bent tube pins can permanently deform and loosen the contact between tube pins and socket


Product Description & Reviews

A professional grade hand-held vacuum tube pin straightener. Used to straighten and align vacuum tube pins. Great accessory for professional musician's, audiophile's and repair shop's working with tube-based audio components. Compatible with US/European and Russian/Chinese miniature 7-pin and 9-pin tubes with B7G bases (e.g., 6AK5, 5654 tubes) and B9A bases (e.g., 12AX7, 12AU7, 5670, 6BQ5, EL84 tubes). Bent tube pins can permanently deform and loosen the contact between tube pins and socket contacts, which could negatively affect sound quality. Inserting tubes with bent pins into a socket can also damage the glass-metal interface along tube pins, resulting in reduced tube life or glass breakage. Modeled after vintage hand-held pin straighteners - but with significant improvements in machining accuracy and material. The straightener is CNC machined from a premium-grade martensitic stainless steel and hardened to RC50 (Rockwell C50). In addition to providing long life (as well as corrosion resistance) we chose a premium grade stainless for good reason; if a softer material is used for a pin straightener, for example aluminum alloys, pin contamination can occur (aluminum transferred to tube pins can form Al2O3). This pin straightener was designed for many years of trouble-free use - you will not wear this one out! A small, pocket size, foam-lined tin storage box is included to store the pin straightener when not in use. Dimensions of pin straightener: 36 mm length x 22 mm maximum dia. ***PLEASE NOTE*** Do not use for severely bent pins - tube damage and glass breakage may occur. Not recommended for gold-coated (or other coated pins) as damage/scraping of pin coatings can occur. May not be as suitable for some of the very old vintage Chinese tubes, which can have a slight variation in pin spacing and pin diameter (however, no problem using the straightener with newer Russian and Chinese tubes with 9-pin B9A or 7-pin B7G bases).

Features & Highlights

  • A pocket size pin-straightener used to realign and straighten bent/misaligned vacuum tube pins. Can be used for US/European and modern issue Russian/Chinese miniature 9-pin and 7-pin vacuum tubes with US-European 9-pin B9A and 7-pin B7G bases. Tubes with B9A bases include 12AX7, 12AU7, 5670 and EL84. Tubes with B7G bases include 6AK5, 5654, EF95, 6J1P and 6AU6.
  • Great accessory for professional musicians, audiophiles and repair shops working with tube-based amplifiers.
  • This one is the real deal; precision CNC machined from a premium grade stainless steel (SUS 420) and hardened to Rockwell C50 for long life. Pin straighteners manufactured from softer materials, such as aluminum, can cause pin contamination (tube pins can also quickly wear straighteners made from softer materials).
  • Straight/aligned tube pins will reduce tube socket damage during tube installation and also reduce the likelihood of tube damage (forcing bent pins into a socket significantly increases the stress at the pin/glass interface of a tube, which can lead to tube damage and premature tube failure). Dimensions of pin straightener: 36 mm length x 22 mm diameter. Supplied with a pocket size, foam-lined tin storage box (82 mm x 40 mm x 20 mm).
  • ***Please note*** Do not use for severely bent pins - tube damage and glass breakage can occur. Not recommended for use with gold coated pins (coatings can be scraped/damaged by the pin straightener). Compatible with vintage US/EU and modern issue Russian and Chinese tubes having B7G and B9A bases, may not be suitable for a few of the very early vintage Chinese tubes, which sometimes have variation in pin tolerances. Laser engraved logo/print on the surface.

Additional Information

Manufacturer:Riverstone Audio LLC
Brand:Riverstone Audio
Model:VACTUBE-7/9-PIN-RC50
Part Number:7/9 PIN-RC50
Publisher:Riverstone Audio LLC
Studio:Riverstone Audio LLC
MPN:7/9 PIN-RC50
UPC:605945647381
EAN:0605945647381
Item Weight:0.19 pounds
Item Size:0.71 x 0.87 x 0.87 inches
Package Weight:0.25 pounds
Package Size:2.95 x 1.57 x 1.57 inches

Riverstone Audio - Vacuum Tube Pin Straightener For 9-Pin (12AX7 / EL84 / 5670) and 7-Pin (5654/5725) Miniature Vacuum Tubes - Hardened Stainless - Hand Held - Straightens Vacuum Tube Pins by Riverstone Audio

Buy Now:
Riverstone Audio - Vacuum Tube Pin Straightener For 9-Pin (12AX7 / EL84 / 5670) and 7-Pin (5654/5725) Miniature Vacuum Tubes - Hardened Stainless - Hand Held - Straightens Vacuum Tube Pins

4.3 out of 5 stars with 9 reviews
Condition: New
Lead Time: 1 - 2 Business Days
Availability: In Stock
$29.95
$25.00
You Save: 17%


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