--- product_id: 528351182 title: "3 Cassettes Type I - 90min" brand: "rtm industries" price: "HK$482" currency: HKD in_stock: true reviews_count: 13 category: "Rtm Industries" url: https://www.desertcart.hk/products/528351182-3-cassettes-type-i-90min store_origin: HK region: Hong Kong --- # 90-minute recording time reinforced shell for durability premium European manufacturing 3 Cassettes Type I - 90min **Brand:** rtm industries **Price:** HK$482 **Availability:** ✅ In Stock ## Summary > 🎶 Capture your sound legacy with RTM C90 — where vintage meets pro-grade perfection! ## Quick Answers - **What is this?** 3 Cassettes Type I - 90min by rtm industries - **How much does it cost?** HK$482 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.hk](https://www.desertcart.hk/products/528351182-3-cassettes-type-i-90min) ## Best For - rtm industries enthusiasts ## Why This Product - Trusted rtm industries brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Built to Last:** Reinforced cassette shell ensures mechanical stability and superior sound fidelity, tape after tape. - • **Crafted in Normandy:** Proudly made in Europe with rigorous quality control for unmatched reliability and performance. - • **Timeless Vintage Vibes:** Elevate your audio game with a classic medium that blends nostalgia with cutting-edge analog precision. - • **Extended Recording Time:** Capture up to 90 minutes of uninterrupted audio—perfect for long sessions or mixtapes. - • **Studio-Grade Analog Sound:** Experience crystal-clear, professional-quality recordings with BASF’s legendary Studio Master 900 formula. ## Overview RTM C90 Type One 90 Minute Blank Music Cassettes deliver studio-quality analog sound using BASF’s renowned Studio Master 900 formula. Manufactured in Normandy, France, these cassettes feature a reinforced shell for exceptional durability and stable linear speed, ensuring minimal print-through and long-lasting performance. Sold in packs of three, they offer 90 minutes of premium recording time at 1.5 IPS speed, backed by over 40 years of RTM’s expertise and a 2-year limited warranty. ## Description Product Description GET STUDIO QUALITY SOUND Experience the superior sound quality of our RTM high-quality blank cassettes, capturing every note with unparalleled clarity and detail FUEL YOUR CREATIVITY Whether it's a C60 or C90 series, our blank cassettes provide the perfect canvas for your audio endeavors, whatever the occasion PRESERVE MEMORIES WITH PRECISION From music to voice memos, mixtapes to podcasts, our cassettes ensure high quality and durability for all your recordings High Quality UV Printed Our RTM C60 and C90 cassette tapes are crafted with high-quality screwed shells with a bridge , ensuring enhanced durability and precision performance for professional and home recording. Each cassette is meticulously printed in our factory using an advanced UV inkjet printer , providing sharp, long-lasting labels with excellent readability. Tape based on SM900 formula We produce our high-quality analog tape in-house , using our renowned SM900 formula , ensuring exceptional audio performance with high output and low noise levels . Our production process ensures consistent quality , delivering tape that meets the demands of professional studios, musicians, and audiophiles . Each tape is carefully processed into pancakes , ready for our advanced Tapematic machines , which enable precise cassette loading and assembly . This meticulous approach ensures that every cassette maintains superior durability, reliability, and outstanding sound clarity , preserving the rich warmth of analog recording . Loaded to C60 or C90 Each cassette is then precisely loaded with high-quality RTM analog tape , depending on the required recording length—either 60 minutes (C60) or 90 minutes (C90) . Our advanced Tapematic machines ensure consistent tape winding and flawless alignment , optimal playback performance, smooth operation, and long-lasting durability . Every batch quality check Before packaging, each cassette undergoes a meticulous quality control process. Our team conducts rigorous tests on every batch to ensure optimal playback performance, consistent audio fidelity, and long-term durability. Once approved, the cassettes are carefully prepared and packed, ready for distribution to musicians, studios, and audiophiles worldwide. STUDIO MASTERING MAGNETIC FORMULA Large dynamic range, low distortion and excellent frequency response using similar formulas to our reel-to-reel range BRIDGED REINFORCED SHELL Superior sound quality guaranteed by constant stable contact with magnethead CUSTOM MADE SLIP-SHEETS Our slip-sheets eliminate electrostatic build-up and reduce friction to ensure consistent speed HIGH QUALITY SCREWED SHELL Long lasting, high quality made with durable materials, manufactured to the highest standards in Europe Review: Rtm 90 c. Cassette - Excellent case. And massive inlay for jotting down Ur. Tunes recorded tapes themselves are. Nice clear plastic with strong screws fixing and nice. Big labels. Great value as well for a complete mystery buy. I've never seen before 👌 Review: Top quality!!! - The Lagandary RTM Tapes...what more can I say? ## Features - FORMULA : RTM audio cassettes are based on BASF's legendary Studio Master 900 formula – This formula guarantees studio-quality music recording - Professional analog sound, at home - LEGENDARY MANUFACTURER : With over 40 years' experience in the production of high-end audio tapes, RTM ‘s production method, equipment and material used to bring you a professional-quality cassette - HIGH PERFORMANCE : The reinforced shell of the high-quality cassette offers exceptional mechanical stability which results in superior music quality - LONG LIFE : Thicker substrate ensures stable linear speed and minimal print through, even when not in use for extended periods - Audio cassettes are made from durable, solid materials - EUROPEAN MANUFACTURING : All cassettes are manufactured in our Normandy factory and subjected to rigorous quality control - RTM C60 & C90 cassettes have the highest quality available on the market ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0BNNB37W1 | | Best Sellers Rank | 7,248 in Electronics & Photo ( See Top 100 in Electronics & Photo ) 7 in Blank Audio Cassettes | | Brand | RTM Industries | | Brand Name | RTM Industries | | Colour | Yellow | | Country of Origin | France | | Customer Reviews | 4.5 out of 5 stars 362 Reviews | | Format | CA-Import | | Global Trade Identification Number | 03770019284063 | | Item Weight | 0.2 Kilograms | | Item weight | 0.2 Kilograms | | Manufacturer | RTM Industries | | Manufacturer Part Number | 3-Pack | | Media Speed | 1.5 IPS | | Model Number | 3-Pack | | Product Warranty | 2 Year Limited Warranty | | Recording Capacity | 90 Minutes | | Recording capacity | 90 Minutes | | Unit Count | 3.0 count | | Write speed | 1.5 IPS | ## Product Details - **Brand:** RTM Industries - **Colour:** Yellow - **Format:** CA-Import - **Item weight:** 0.2 Kilograms - **Write speed:** 1.5 IPS ## Images ![3 Cassettes Type I - 90min - Image 1](https://m.media-amazon.com/images/I/51Ad2U2OZ6L.jpg) ![3 Cassettes Type I - 90min - Image 2](https://m.media-amazon.com/images/I/51U49clxzGL.jpg) ![3 Cassettes Type I - 90min - Image 3](https://m.media-amazon.com/images/I/51+YvH2e--L.jpg) ![3 Cassettes Type I - 90min - Image 4](https://m.media-amazon.com/images/I/611zg6SL12L.jpg) ![3 Cassettes Type I - 90min - Image 5](https://m.media-amazon.com/images/I/61j281eWa9L.jpg) ## Available Options This product comes in different **Model** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Rtm 90 c. Cassette *by J***S on 15 August 2025* Excellent case. And massive inlay for jotting down Ur. Tunes recorded tapes themselves are. Nice clear plastic with strong screws fixing and nice. Big labels. Great value as well for a complete mystery buy. I've never seen before 👌 ### ⭐⭐⭐⭐⭐ Top quality!!! *by D***R on 26 April 2026* The Lagandary RTM Tapes...what more can I say? ### ⭐⭐⭐⭐⭐ Works well *by S***S on 17 April 2026* Works well as expected ## Frequently Bought Together - RTM C90 | Type One 90 Minute Blank Music Cassettes | Ideal for Audio Recording | Studio Quality | Pack of 3 Cassettes - QFX RETRO-39 Portable Shoebox USB to Cassette Tape Recorder, Analog Cassette Tape Deck with Built-in Microphone, 3.5" Bluetooth Speaker with FM Radio - Maxell UR 90 Normal Bias Blank Audio Recording Cassette Tape, Low Noise, 90 Minute Recording Time, 5 Pack --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.hk/products/528351182-3-cassettes-type-i-90min](https://www.desertcart.hk/products/528351182-3-cassettes-type-i-90min) --- *Product available on Desertcart Hong Kong* *Store origin: HK* *Last updated: 2026-06-03*