First time, I brought this up on the dim bulb tester and put a Russian Tung-Sol in the 12AX7 spot. Now it sounds great with a cheap guitar in the 1/4" phone mic jack, with a little raw & ready hum. I did not adjust the hum pot. Can get REALLY loud.

Build your own box!

No warranty on vintage electronics, but guaranteed to not be DOA.

Reverb Buyer Protection

Reverb has your back if your item is lost, damaged, or doesn't match its description. Simply report any issues within 7 days and we'll help you get a full refund.Learn more about Reverb Buyer Protection.

Promoted similar listings













Listed3 years ago
ConditionVery Good (Used)
Very Good items may show a few slight marks or scratches but are fully functional and in overall great shape.Learn more
Brand
Model
  • 166A Extension Speaker 6V6 12AX7 Tube Guitar Amp Kit Project Jensen AlNiCo 6x9 8809 8810
Categories
Year
  • 1960

Product safety information may be available here.

Sound by Doc

Saint Louis, MO, United States
Joined Reverb:2020

Reverb Protection

Simple Returns, Secure Transactions, Human Support

Learn more

Secure Checkout

Reverb Gives

Your purchases help youth music programs get the gear they need to make music.

Oops, looks like you forgot something. Please check the fields highlighted in red.