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Deal.ai › GE
GE
12SN7GTA GE NOS 1970 era
GE

12SN7GTA GE NOS 1970 era

Best price now

$16.99at Tube World ExpressChecked Nov 12

Compared across 2 stores. Prices are checked against each store and labelled with when.

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Price facts

  • Last seen at $16.99 at Tube World Express on Nov 12.
  • Checked at 2 stores.

Our take on the 12SN7GTA GE NOS 1970 era

The GE 12SN7GTA is a NOS (new old stock) twin-triode tube from the 1970s, a low-noise variant of the 12SN7 family. It is a medium-mu dual triode used in audio preamps and linestages, and the listed samples test around 7.4 to 8.2 mA with transconductance near 2300 to 2500. It suits tube preamp owners who want a quiet, period-correct replacement or spare rather than a modern reissue. Compared with current-production 12SN7 types, NOS GE stock is valued for its low noise and stable construction, but supply is finite and samples vary.

Best forTube preamp and linestage ownersBuyers wanting NOS 1970s GE stockReplacing noisy 12SN7 tubesCollectors of vintage audio tubes
Pros
  • Low-noise twin triode
  • NOS 1970s GE manufacture
  • Tested transconductance around 2300 to 2500
  • Direct 12SN7 family replacement
  • Suits preamps such as Mapletree and McAlister designs
Cons
  • Finite NOS supply, no ongoing production
  • Sample-to-sample test figures vary
  • No warranty typical of vintage stock
  • Requires a compatible 12SN7 socket and heater supply

12SN7GTA GE NOS 1970 era prices at every store

  • Tube World ExpressNew

    In stockReturn policy

    $16.99Checked Nov 12
    Visit Tube World Express
  • Radwell.comNew

    In stock

    $22.28+ $53.00 shippingChecked Nov 12
    Visit Radwell.com

12SN7GTA GE NOS 1970 era price history

Lowest price we've seen: $22.28 on Nov 13 at Radwell.com. Tracked across 1 store since Nov 13.

About the 12SN7GTA GE NOS 1970 era

This is a GE 12SN7GTA vacuum tube, new old stock (NOS) from around 1970. It is a low-noise tube, and the listing is for a single tube.

Brand
GE
Type
12SN7GTA
Condition
NOS (new old stock)
Era
1970
Noise
Low noise
Quantity
1 tube
Test readings
8.2 mA, Gm 2500; 7.4 mA, Gm 2300

Questions and answers

What is a 12SN7GTA tube?
It is a twin-triode tube in the 12SN7 family, a medium-mu dual triode used in audio preamps and linestages. The GTA suffix denotes a later, improved version of the base type.
What does NOS mean here?
New old stock: tubes made in the 1970s that were never used and have been stored since. They are original GE production, not modern reissues.
What do the 8.2mA and Gm figures mean?
They are test results for the listed samples: plate current in milliamps and transconductance (Gm). Higher Gm generally means stronger emission and gain.
Will it work in my preamp?
It fits equipment designed for 12SN7 tubes, such as the Mapletree and McAlister Audio MA-10 designs. Check that your gear uses the 12SN7 heater and pinout before buying.
Is it a matched pair?
The listing describes a single low-noise tube with its own test figures. If you need a matched pair, ask for two samples with close readings.
Where is the 12SN7GTA GE NOS 1970 era cheapest?
At Tube World Express, for $16.99, as of our latest check.
Where can I buy the 12SN7GTA GE NOS 1970 era?
2 stores we checked sell it, including Tube World Express, Radwell.com.

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