JJ Electronics 12AT7/ECC81 Slovakia Preamp Tube
【JJ Electronics】 JJ Electronics 12AT7/ECC81 Slovakia Preamp Tube | Explore the Product Amplifier Accessories。
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30-Day Price Guarantee
30-Day Price Guarantee
- Free 30-Day Returns
- Ships from our US warehouse (delivered in 3–7 days)
- Found a lower price? Let us know and we will match it!
1-Year + 180-Day Warranty
1-Year + 180-Day Warranty
So that you can buy with confidence, we provide a comprehensive warranty on every product.
- Warranty Period: This product comes with a 12-month standard warranty.
- Extended Warranty: Buy from our official website and you can register directly for the extended warranty, adding a further 180 days of coverage.
For more details, see the [Warranty Policy].
After your purchase, be sure to complete [Product Registration] to activate your warranty.
Free shipping
Free shipping
- Free Shipping:
All orders ship free of charge and usually arrive within 7 days. - 30-Day Return Guarantee:
If you are not satisfied, you may return or exchange the item within 30 days of delivery. - Shipping Protection (recommended):
For extra peace of mind, we recommend adding Seel Shipping Protection at checkout. With this coverage you can file a claim directly for shipping delays, loss or damage, and receive faster handling and stronger protection.
Please note that if shipping protection is not added, compensation is handled according to the carrier's rules and the applicable conditions. We are always happy to help with logistics inquiries, but the scope of compensation follows the carrier's policy.
For full details, please see the [Shipping Policy] and [Return Policy] pages.
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Features
Features
Specifications
Specifications
| Product Specifications | Value |
|---|---|
| JJ Electronics 12AT7/ECC81 Slovakia Preamp Tube | |
| Model Number | 7810746515518 |
| Age Range | 5+ |
| Shipping | Free shipping |
| Delivery Time | 1–5 days |
Reviews (319)
Reviews (319)
Payment & Security
Payment methods
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Known for exceptional tone, clarity, and durability, the JJ 12AT7/ECC81 is a medium-gain dual triode tube ideal for use in preamp sections, reverb drivers, and hi-fi systems. Manufactured in Slovakia with strict quality control, this tube delivers warm, articulate sound with low noise—making it a favorite for guitar amps and audio gear.
Whether you're upgrading your amp or restoring vintage gear, JJ tubes are trusted by professionals and tone purists alike.
Features
- Rich tone and low microphonics
- Warm and articulate response
- Ideal for preamp, reverb, and hi-fi applications
- Manufactured by JJ Electronics in Slovakia
Specs
- Tube Type: 12AT7 / ECC81
- Configuration: Dual triode
- Gain Rating: Medium (typically ~60% of 12AX7)
- Heater Voltage: 6.3V or 12.6V
- Heater Current: 300mA @ 6.3V | 150mA @ 12.6V
- Plate Voltage Max: 300V
- Transconductance (Gm): ~5500 µmhos
- Typical Plate Resistance: ~15,000 ohms
- Base Type: 9-pin (Noval)
- Socket Compatibility: Standard 12AT7 / ECC81 sockets
- Applications: Guitar amp preamp stages, reverb drivers, studio gear, hi-fi audio
- Country of Origin: Slovakia
- Quantity: Single tube