Rogue-Tec Air Passive EQ Colour
SKU: 24927488161

Rogue-Tec Air Passive EQ Colour

Sale price$116.10 Regular price$129.00
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Description

Rogue-Tec Air Passive EQ ColourThere just may not be anything more gorgeous than strapping a pair of Pultec equalizers across a mix and boosting 12 or 16 kHz to add some "air" to the top end. The Rogue Tec Air is a high frequency boost for the Colour format faithfully based on this legendary passive EQ. Features Passive EQ topology inspired by vintage EQP 1A3SS and EQP 1S3 equalizers Shelf boost frequency selectable via jumper: 3, 5, 8, 12, 16 kHz (other frequencies can be selected

There just may not be anything more gorgeous than strapping a pair of Pultec equalizers across a mix and boosting 12 or 16 kHz to add some "air" to the top end. The Rogue-Tec Air is a high frequency boost for the Colour format faithfully based on this legendary passive EQ.

Features

  • Passive EQ topology inspired by vintage EQP-1A3SS and EQP-1S3 equalizers
  • Shelf boost frequency selectable via jumper: 3, 5, 8, 12, 16 kHz (other frequencies can be selected by fitting more jumpers)
  • Shelf boost gain via trimpot: 0 to 12 dB
  • Includes ROGUE FIVE™ discrete op amp 
  • 2520-compatible op amp footprint with gold plated sockets - swap in your favorite discrete opamp
  • Wima film caps
  • Pair with Pentode or CTX Colour modules for the ultimate Pultec vibe

Rogue-Tec Air is offered fully assembled and tested by Louder Than Liftoff. It and LTL's other Colours will not be available as DIY kits.

Samples
Design Notes
Our unique incarnation is inspired by two variants of the famed vintage unit. In the late 1970's Pulse Techniques, Inc. debuted a solid state version of the famed EQP-1A3 that featured an API 2520 discrete op amp to provide make-up gain for the passive EQ network instead of the usual tube amplifier. There was also a rare version (EQP-1S3) that offered 5 and 10 kHz high frequency shelving settings. We created a hybrid of the two and integrated an expanded set of passive shelving filters with a 2520-powered make-up gain amp to yield a combination that pulls high frequencies effortlessly to the front of any track or mix.

-Brad McGowan, Designer, Louder Than Liftoff

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 24927488161

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4.6 ★★★★★
Based on 114 reviews
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Verified Purchase
Ron & Ellen
Lake Worth, US
★★★★★ 5
Great product for money but pay attn to your model filters are different on newer models.
Size: 20 PACK
The rollers work great and fit nicely into my Euphy which turned out I have a early version of which means none of the filters don’t fit my Euphy unfortunately and I hadn’t payed attention to the filters I was looking to get a 2 pack of rollers, the filters look nice though like they would make a great seal with the plastic and seal around them. I won’t buy them again for sure though for obvious reasons. Euphy is so much quieter then my second vacuum that’s a Roomba and she definitely gives her a run for her money and when it dies I will definitely be replacing her with a Euphy.
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Reviewed in the United States on April 13, 2021
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Verified Purchase
Amazon Customer
Dallas, US
★★★★★ 5
Buy these
Size: 20 PACK
I love ordering these Replacement parts. These work just as good
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Reviewed in the United States on July 4, 2025
S
Verified Purchase
S. McCarty
Carnegie, US
★★★★★ 5
Excellent fit and value - recommended buy
Size: 3+12+12+2+1 pack
I rarely write reviews, but I'm so impressed by the fit and quality of this set that I made an exception. I'd been running my eufy 11S without brushes, and have been cleaning and reusing the filters for a while now and finally decided to buy replacements. The kit came packed well with everything in order and no damage. I replaced all of the worn parts and installed the brushes and did a test run - everything worked great. I expected some fitment issues because I've seen that with other kits, but I had no issues. The fact that you get multiples of almost everything is icing on the cake. Oh, and I wasn't paid or given anything in exchange for this review, as much as that's worth now, haha. I can recommend getting this kit for your robot vacuum, if it's the right set for your model.
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Reviewed in the United States on February 6, 2025
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Verified Purchase
LGN
Cuba, US
★★★★★ 5
Good option for an aftermarket replacement solution.
Size: 3+12+12+2+1 pack
I've been very happy with this product. I think it is a good price point for what is included. Everything was a directly compatible and everything fit as you would expect. The filter quality is good and since there are plenty in the kit I find I change the filters more often which is probably a good thing. I recommed.
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Reviewed in the United States on October 3, 2025
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Verified Purchase
deb
Natrona Heights, US
★★★★★ 5
Eufy Brushes wear out with daily use
Size: 4 Pack
These brushes help the Eufy continue to run efficiently. I have 2 dogs and run 2 Eufies daily. It is surprising how much sand, dust, gravel and hair gets vacuumed. My furniture isn't as dusty and my floor doesn't need mopping as often.
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Reviewed in the United States on January 7, 2026

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