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Tung-Sol 12AT7 Preamp Tube

Tung-Sol 12AT7 Preamp Tube

5(5 ratings)

Best price now

$18.99at Afterthoughts Music StudioChecked 1 h ago

30% under what the other stores charge

Compared across 12 stores. Prices are checked against each store and labelled with when.

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Price facts

Lowest price today: $18.99 at Afterthoughts Music Studio (checked Nov 12, 2026).

Checked at 12 stores.

Our take on the Tung-Sol 12AT7 Preamp Tube

The Tung-Sol 12AT7 is a current-production twin-triode preamp tube aimed at reverb driver and phase-inverter slots in guitar amps. It is built to handle higher plate dissipation than many NOS 12AT7s, which matters in circuits that push the tube hard. Players use it to firm up reverb and tighten the driver stage; it is not a plug-in substitute for a 12AX7 in high-gain gain stages, where its lower gain is the point.

Best forReverb driver slots in tube combosPhase inverter positionsAmp techs replacing tired NOS 12AT7sOwners wanting a rugged current-production tube

Pros

Higher dissipation rating than many NOS 12AT7s
Suits reverb and driver circuits where the tube runs hot
Current production, so replacements stay consistent
Twin triode in the standard 12AT7 pinout

Cons

Lower gain than a 12AX7, so not a drop-in for gain stages
Tone varies by amp and by tube; some prefer NOS voicing
Needs bias check in fixed-bias driver circuits
Microphonics can appear in first-gain-stage use

Tung-Sol 12AT7 Preamp Tube prices at every store

American Musical SupplyNew
In stock
$19.95Free shippingChecked 1 h ago
Visit American Musical Supply
zZoundsNew
In stock
$19.95Free shippingChecked 1 h ago
Visit zZounds
ReverbNew
In stock
$19.95+ $9.95 shippingChecked 1 h ago
Visit Reverb
Upscale AudioNew
In stockReturn policy
$47.95Checked 1 h ago
Visit Upscale Audio
Afterthoughts Music StudioNew
Availability unknown
$18.99Checked 1 h ago
Visit Afterthoughts Music Studio
Haight Ashbury Music CenterNew
Availability unknown
$22.99Checked 1 h ago
Visit Haight Ashbury Music Center
Motor City GuitarNew
Availability unknown
$24.53Checked 1 h ago
Visit Motor City Guitar
AmazonNew
Availability unknown
As an Amazon Associate, Deal.ai earns from qualifying purchases.
$26.95Checked 1 h ago
Visit Amazon
RF Parts CompanyNew
Availability unknown
$34.91Checked 1 h ago
Visit RF Parts Company
Russo MusicNew
Availability unknown
$34.99Checked 1 h ago
Visit Russo Music
eBayNew
Availability unknown
$35.95Checked 1 h ago
Visit eBay
Solo GuitarsNew
Availability unknown
$44.99Checked 1 h ago
Visit Solo Guitars

Also available at

Elderly InstrumentsCheck price at Elderly Instruments

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Tung-Sol 12AT7 Preamp Tube price history

Lowest price we've seen: $18.99 on Nov 13 at Afterthoughts Music Studio. Tracked across 11 stores since Nov 13.

About the Tung-Sol 12AT7 Preamp Tube

The Tung-Sol 12AT7 is a preamp tube. It is a twin triode made for use in reverb and driver circuits.

It offers higher dissipation than NOS versions of this tube.

Type: 12AT7 twin triode preamp tube
Brand: Tung-Sol
Use: Reverb and driver circuits

Questions and answers

Can I use it in place of a 12AX7?: Only where the circuit calls for a 12AT7. It has lower gain and different current draw, so swapping it into a 12AX7 gain stage changes volume and headroom.
Where does it belong in an amp?: Reverb driver and phase-inverter positions are its main jobs. Those slots run the tube harder, which is what its dissipation rating is for.
How does it compare with NOS 12AT7s?: It is rated for more dissipation than many NOS versions, so it holds up better in hot driver circuits. Tone is close but not identical; some players still prefer NOS voicing.
Is it a matched pair?: It is a single twin-triode tube. If you need balanced sections for a phase inverter, ask for a balanced or matched test.
What is in the box?: One 12AT7 tube. Sockets, retainers and amp parts are not included.
Where is the Tung-Sol 12AT7 Preamp Tube cheapest?: At Afterthoughts Music Studio, for $18.99, 30% under what the other stores charge, as of our latest check.
What do buyers say about the Tung-Sol 12AT7 Preamp Tube?: Rated 5 out of 5 from 5 ratings.
Where can I buy the Tung-Sol 12AT7 Preamp Tube?: 13 stores we checked sell it, including Upscale Audio, Afterthoughts Music Studio, Amazon, American Musical Supply, zZounds.

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