Optimal voltage for superior tube-amp tone!
If you want to get the best possible sound from your tube amp, then you need an AmpRX Backline 1200 voltage attenuator.
All tube amps (especially vintage tube amps) are designed to run at an optimal voltage, and standard 120V/AC wall current is typically too high for vintage tube amps, as well as some modern designs.
With its proprietary 10-amp transformer and flexible attenuation options, the Backline 1200 brings that current down to an optimal level for significantly improved performance.
The Backline 1200 accommodates two tube amplifiers, making it ideal for musicians who run a pair of heads in a rackmount.
Safe, effective, and easy to use.
Another benefit of running your amp at optimal voltage is that your tubes will usually last much longer.
The Backline 1200 is far safer and more effective than any standard Variac, because it limits the input voltage and attenuates the output voltage.
Figuring out your amp's optimal voltage is as easy as Googling the specs, and the Backline's onboard output voltmeter lets you see exactly what you're pulling.
The Backline's four voltage-reduction modes let you get as close to optimal as possible, and there's a bypass setting so you can A/B the results!
AmpRX Backline 1200 Power Attenuator features:
• The perfect way to optimize the input voltage for 2 tube amps!
• Dramatically improves your amp's performance by providing optimized voltage.
• Optimal input voltage also extends the life of your high-performance power tubes.
• LCD voltmeter makes it easy to dial in the optimal setting for your amp.
• Selectable input current setting ensures safe and accurate operation.
• Choose from 4 attenuation modes (3%, 4%, 6%, and 10%) to fine-tune your voltage.
• Bypass mode lets you easily A/B the results of your optimized amp voltage.
• 2U rackmount design is great for musicians who run a pair of heads in a live-in rack case.
Specs
| Type | Attenuator |
| Condition | New |
| Power Handling | Up to 1200W |
| Manufacturer Warranty | Lifetime |
FREE SHIPPING
- Free shipping within Canada.
- Free shipping to the USA.
- Free shipping on international orders over 399$.
Visit the Shipping page for more infos.
Fast Delivery
- Canada : 1 - 2 business days
- USA : 1 - 2 business days
- Rest of the world: 3 - 5 business days.
Hassle-Free Returns
You have 45 days to test your new gear.
If you choose to return it, we’ll send a full refund.
It’s that simple: no bogus restocking fees or charges.
Visit the Returns page for more infos.
Frequently Asked Questions
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Q : Is this item in stock? +
A : On product pages, you can find an availability status.
Products with the mention 'In stock' are in stock and ready to ship.
Products with the mention 'Out of stock' are not currently in stock.
For out of stock products, you can ask to get notified as soon as the item is back in stock.
Enter your email in the ‘Email me when available’ field and you’ll be kept in the loop.
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Q : Where are you located? +
A : We’re in Blainville, Quebec, Canada.
Contact us to schedule an appointment if you’d like to meet.
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Q : When will my order ship? +
A : Orders placed before 3pm EST ship on the same business day.
An update with tracking details will be sent shortly after purchase.
(Please note: business days don’t include weekends and holidays)
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Q : How much does shipping cost? +
A : Shipping to Canada and the USA is free on most orders.
Shipping to the rest of the world is free on orders over 399$US.
Visit the Shipping page for more infos.
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Q : What shipping method do you use? +
A : We ship with UPS.
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Q : What payment methods do you accept? +
A : We accept credit cards and Paypal.
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Q : Do you charge sales taxes to Canadians? +
A : Canadian residents are asked to pay sales taxes:
Alberta: 5%.
British Columbia: 5%.
Manitoba: 5%.
New Brunswick: 15%.
Newfoundland and Labrador: 15%.
Northwest Territories: 5%.
Nova Scotia: 15%.
Nunavut: 5%.
Ontario: 13%.
Prince Edward Island: 15%.
Quebec: 14.975%.
Saskatchewan: 5%.
Yukon: 5%.
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Q : Are there import charges on orders shipped to Canada? +
A : No. Canadian customers will not be charged import fees.
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Q : Are there import charges on orders shipped to the USA? +
A : No. USA residents will not be charged import fees.
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Q : Are there import charges on International shipments? +
A: Shipping prices do not include VAT or other import taxes.
Customers outside of Canada and the USA are responsible for duties and taxes.
Orders that come back to the shop as refused by the customer will be refunded minus shipping.
Please track your shipment to be aware of customs processing and delivery attempts.
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Q : Can you declare a lower value on customs documents? +
A : We understand that import fees are an annoying part of international purchases.
However, we cannot offer to declare a lower value on customs forms.
Customers outside of Canada and the USA are responsible for any fees that may be charged by their government.