--- product_id: 69114532 title: "ECC83-TK Black Diamond Series Vacuum Tube" price: "₹ 13342" currency: INR in_stock: true reviews_count: 3 url: https://www.desertcart.in/products/69114532-ecc83-tk-black-diamond-series-vacuum-tube store_origin: IN region: India --- # Rich harmonic distortion High headroom clarity Reliable Noval 9-pin design ECC83-TK Black Diamond Series Vacuum Tube **Price:** ₹ 13342 **Availability:** ✅ In Stock ## Summary > 🎶 Elevate your tone with the Black Diamond’s legendary clarity and warmth ## Quick Answers - **What is this?** ECC83-TK Black Diamond Series Vacuum Tube - **How much does it cost?** ₹ 13342 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.in](https://www.desertcart.in/products/69114532-ecc83-tk-black-diamond-series-vacuum-tube) ## Best For - Customers looking for quality international products ## Why This Product - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Premium Build Quality:** Fully tested for reliability and consistent performance - • **Clean Overdrive Mastery:** Delivers smooth, defined lows and rich mids without harsh clipping - • **Versatile Compatibility:** Standard Noval 9-pin fits most guitar amps and audio gear - • **Musical Harmonic Richness:** Even order harmonics enhance tonal warmth and musicality - • **Iconic Black Diamond Series:** Join the elite circle of audiophiles and pros who demand excellence ## Overview The TELEFUNKEN ECC83-TK Black Diamond Series vacuum tube is a premium 12AX7 dual triode designed for musicians and audiophiles seeking clean headroom and rich harmonic distortion. Its Noval 9-pin configuration ensures broad compatibility with guitar amplifiers and audio equipment. Engineered for smooth overdrive and tonal warmth, this tube is fully tested for reliability, making it a trusted choice for professional sound enhancement. ## Description The TELEFUNKEN ECC83-TK is a well-balanced tube suited for all types of music and playing styles. Designed to allow for cleaner headroom than higher gain 12AX7s when pushed into overdrive, it offers distortion with strongly defined lows, a rich mid range and clean, smooth highs. 12AX7’s are known for their rich even order harmonic distortion when driven into overdrive. Even order harmonics fit into the western musical scale and are more pleasing to the ear than the harsh odd order harmonic distortion created by transistors. The 12AX7 is also known as the ECC83. TELEFUNKEN Elektroakustik will not be held responsible (financially or otherwise) for equipment that is damaged from the use of tubes purchased from us. Each tube has been fully tested to ensure reliability and is guaranteed to perform as described. It is the responsibility of the customer to consult with the equipment manufacturer (or qualified technician) for the selection of proper tubes and proper installation and biasing procedures. Review: Classy outfit - These Telefunken arrived VERY quickly. And they came with a couple stickers too; a classy outfit Telefunken. Too soon to give details on the sound as they have not burned in yet. But even so they are a little better than the stock tubes in my Pro-Ject Tube Box s2 phono stage. I imagine they will be significantly better once burned in. Review: It works, but no fairy dust here - As above. Not impressed by my tube overhaul including this one. Maybe adds an audible difference for some players depending on playing technique and song choice. ## Features - ECC83-TK (12AX7) Single Tube - TELEFUNKEN Elektroakustik Black Diamond Series Vacuum Tube - R.F. Dual Triode - Noval - 9 Pin ## Technical Specifications | Specification | Value | |---------------|-------| | Best Sellers Rank | #68,247 in Musical Instruments ( See Top 100 in Musical Instruments ) #295 in Guitar Amplifier Tubes | | Customer Reviews | 4.0 out of 5 stars 9 Reviews | ## Images ![ECC83-TK Black Diamond Series Vacuum Tube - Image 1](https://m.media-amazon.com/images/I/41OYyt+YCML.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Classy outfit *by J***D on April 12, 2021* These Telefunken arrived VERY quickly. And they came with a couple stickers too; a classy outfit Telefunken. Too soon to give details on the sound as they have not burned in yet. But even so they are a little better than the stock tubes in my Pro-Ject Tube Box s2 phono stage. I imagine they will be significantly better once burned in. ### ⭐⭐⭐⭐ It works, but no fairy dust here *by K***H on November 3, 2024* As above. Not impressed by my tube overhaul including this one. Maybe adds an audible difference for some players depending on playing technique and song choice. ### ⭐⭐⭐⭐⭐ エージング後 音が激変 *by A***ー on July 31, 2026* さすがTELEFUNKEN 初めてブラックダイヤモンドを購入しました エージング後の音は素晴らしかったです おすすめします --- ## 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.in/products/69114532-ecc83-tk-black-diamond-series-vacuum-tube](https://www.desertcart.in/products/69114532-ecc83-tk-black-diamond-series-vacuum-tube) --- *Product available on Desertcart India* *Store origin: IN* *Last updated: 2026-08-21*