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American Recorder Technologies RTM SM911 - 1/2 inch x 2500 feet on 10.5 inch Metal Reel
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RTM SM911 - 1/2 inch x 2500 feet on 10.5 inch Metal Reel

$154

In stock at americanrecorder.com

The RTM SM911 1/2 inch reel is 2,500 feet of standard-bias, back-coated studio tape wound on a 10.5 inch metal NAB reel. RTM makes it from the formulas originally developed by AGFA and BASF, and lists it as the equivalent of Ampex/Quantegy 456 Grand Master. It suits studios and archivists running 1/2 inch multitrack or mastering machines.

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Highlights

  • 1/2 inch (1/2 in (12.7 mm)) wide, 2,500 ft (762 m) long
  • 10.5 inch metal reel with NAB hub, hinged box
  • Standard bias, back-coated formulation
  • Operating level up to +6 dB with low print-through
  • Listed as equivalent to Ampex/Quantegy 456 and BASF SM911

Best for

Studios and archivists who need fresh 1/2 inch tape matched to 456-era calibration.

Things to consider

  • At $154.00 a reel it costs less than the 1 inch version, but tape is still an ongoing expense for active sessions.
  • Your machine must accept 10.5 inch NAB reels and this tape width; the listing does not cover alignment settings.
  • The listing's spec table is cut off at the reel diameter, so confirm any extra details with the seller.

Key specs

Price$154
Part number34220
Tape width1/2 in (12.7 mm)
Length2,500 ft (762 m)
Reel10.5 in metal, NAB hub
BiasStandard, back-coated
BoxHinged

Our take

A sensible choice for half-inch decks calibrated for 456-type tape; buy a few reels if you track regularly.

RTM SM911 - 1/2 inch x 2500 feet on 10.5 inch Metal Reel at a glance

BrandAmerican Recorder Technologies
Price$154
TypeAudio Recording Tape
AvailabilityIn stock at americanrecorder.com
CouponSave10
ReturnsEligible items can be returned or exchanged within 30 days of delivery with a return…

Price check

At $154, the RTM SM911 - 1/2 inch x 2500 feet on 10.5 inch Metal Reel is toward the top of American Recorder Technologies's price range, whose 1,521 listed products run $1.09 to $10,800.

Similar items from other brands we track run $19.90 to $449.99.

Buying from American Recorder Technologies

American Recorder Technologies is a go-to for studio techs, audiophiles, and reel-to-reel hobbyists who need hard-to-find parts like leader tape, splicing tape, reel boxes, hold-downs, and connector cleaning tools. Casual buyers looking for a single USB cable can shop anywhere. Check whether the item ships via USPS or UPS Ground only, since cleaning kits with gas dusters can't go by air.

Shipping
Orders before 12 p.m. PST typically ship the same day, with some cables and LED signs taking 2 to 3 business days; costs are calculated at checkout. Chemicals and gas cartridges ship UPS Ground only, and damage claims must be filed with the carrier.
Returns
Eligible items can be returned or exchanged within 30 days of delivery with a return authorization, complete and in original packaging, shipped prepaid. A minimum 20% restocking fee may apply for damage or missing parts.
Warranty
General ART products have a limited one-year warranty, and ART audio and video cables have a limited lifetime warranty, both for the original owner. Batteries, chemicals, cleaning products, light bulbs, and tapes carry 30 days, and third-party products follow their maker's warranty.
International
Not all products ship internationally; contact the company for availability and shipping costs. Customers pay any customs, duties, and taxes.

Read our full American Recorder Technologies review and shop all products →

Frequently asked questions

What older tape is SM911 equivalent to?
RTM lists SM911 as the equivalent of Ampex/Quantegy 456 Grand Master, RMG SM911 and BASF SM911.
Will it work on my tape machine?
RTM says its tapes work on all machines at operating levels comparable to the legacy brands. You still need a deck that takes this width and 10.5 inch NAB reels.
Is it good for archiving?
RTM describes SM911 as a studio and archive tape with low print-through, so it is pitched for both mastering and long-term storage.
How much is the RTM SM911 - 1/2 inch x 2500 feet on 10.5 inch Metal Reel?
American Recorder Technologies lists it at $154 on americanrecorder.com. We refresh prices throughout the day, but always confirm the final price at checkout.
Is there a coupon code for the RTM SM911 - 1/2 inch x 2500 feet on 10.5 inch Metal Reel?
American Recorder Technologies's store-wide code Save10 can be entered at checkout on americanrecorder.com. American Recorder Technologies sets the discount, and some items or sale prices may be excluded.
What is American Recorder Technologies's return policy?
Eligible items can be returned or exchanged within 30 days of delivery with a return authorization, complete and in original packaging, shipped prepaid. A minimum 20% restocking fee may apply for damage or missing parts.
How long does American Recorder Technologies take to ship?
Orders before 12 p.m. PST typically ship the same day, with some cables and LED signs taking 2 to 3 business days; costs are calculated at checkout. Chemicals and gas cartridges ship UPS Ground only, and damage claims must be filed with the carrier.
Does the RTM SM911 - 1/2 inch x 2500 feet on 10.5 inch Metal Reel come with a warranty?
American Recorder Technologies's published warranty terms: General ART products have a limited one-year warranty, and ART audio and video cables have a limited lifetime warranty, both for the original owner. Batteries, chemicals, cleaning products, light bulbs, and tapes carry 30 days, and third-party products follow their maker's warranty.
Where can I buy the RTM SM911 - 1/2 inch x 2500 feet on 10.5 inch Metal Reel?
The RTM SM911 - 1/2 inch x 2500 feet on 10.5 inch Metal Reel is sold directly by American Recorder Technologies on americanrecorder.com. The Shop now button on this page goes straight to the product there, and code Save10 can be applied at checkout.
Is the RTM SM911 - 1/2 inch x 2500 feet on 10.5 inch Metal Reel in stock?
Yes. American Recorder Technologies lists it as in stock on americanrecorder.com as of our latest check. Stock and prices refresh throughout the day.
Is American Recorder Technologies a legit store?
American Recorder Technologies is a go-to for studio techs, audiophiles, and reel-to-reel hobbyists who need hard-to-find parts like leader tape, splicing tape, reel boxes, hold-downs, and connector cleaning tools. Casual buyers looking for a single USB cable can shop anywhere. Check whether the item ships via USPS or UPS Ground only, since cleaning kits with gas dusters can't go by air. Our full American Recorder Technologies review covers shipping, returns and what to check before ordering.
Is the RTM SM911 - 1/2 inch x 2500 feet on 10.5 inch Metal Reel expensive?
At $154 it is toward the top of American Recorder Technologies's range ($1.09 to $10,800 across 1,521 products), and similar items from other brands run $19.90 to $449.99.

More from American Recorder Technologies

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