Woo Audio at Audio46

Special Order

Woo Audio WA7tp Tube Power Supply


Product SKU: WA7tp Black


Special order

Noncancelable. It can take 3 to 4 weeks for Woo Audio to ship it out

Receive it ASAP once it's in stock.


Final sale, no returns on special orders

Authorized U.S. Dealer

Having issues after 30 days? Comes with Woo Audio's limited warranty

🕬  Use code PRIMEDAY5 for 5% off this item

$749.00 Sale

Found a better price?
We can match it

10 units left

Email me when available

Email me when this product is in stock again

(Fun fact: By filling out this form, you let us know there's demand for this item!)

We will only send you a follow-up email once the product becomes available. Your email address will not be shared with anyone else.

Financing options

Need help or product is sold out? Call (212) 354-6424, Chat or Email us

Product Details

↓ Details provided by Woo Audio
(Specifications and appearance of this product are subject to change without notice)

Power supply upgrade [requires WA7 or WA7d]

Vacuum tube power supply upgrade for WA7 Fireflies owners. Does not function on its own. Replaces the linear solid state power supply that ships with WA7 Fireflies and WA7d Fireflies Duo.


  • 1st gen WA7 Fireflies
  • 2nd gen WA7 Fireflies
  • WA7D Fireflies Duo


  • Requires WA7 Fireflies or WA7D Fireflies Duo
  • 1ft. DC cord supplied
  • 12AU7 tube x 2
  • Anodized aluminum chassis, available in black or silver
  • Dimensions: WA7tp with glass: 5 ¼" (H) x 4.8" (W) x 6" (D) 9.4 lbs.
  • Global voltage compatible (100v–220v)
  • Designed and handcrafted in New York, USA

In the box

  • WA7tp (tube power supply) x 1
  • 12AU7 vacuum tube x 2
  • 1ft. DC cord x 1
  • Anti-slip glass pads x 4

*AC power cord and audio cables are not included


Colors: Black, Silver

Product Reviews


Your cart