--- product_id: 69114532 title: "ECC83-TK Black Diamond Series Vacuum Tube" brand: "telefunken" price: "€ 136.62" currency: EUR in_stock: true reviews_count: 2 category: "Telefunken" url: https://www.desertcart.de/products/69114532-ecc83-tk-black-diamond-series-vacuum-tube store_origin: DE region: Germany --- # Classic 12AX7 Tone Black Diamond Series Quality Dual Triode Power ECC83-TK Black Diamond Series Vacuum Tube **Brand:** telefunken **Price:** € 136.62 **Availability:** ✅ In Stock ## Summary > 💎 Elevate your tone with the Black Diamond standard—where clarity meets classic warmth. ## Quick Answers - **What is this?** ECC83-TK Black Diamond Series Vacuum Tube by telefunken - **How much does it cost?** € 136.62 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.de](https://www.desertcart.de/products/69114532-ecc83-tk-black-diamond-series-vacuum-tube) ## Best For - telefunken enthusiasts ## Why This Product - Trusted telefunken brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Clean Headroom Control:** Push your amp harder without losing clarity—perfect for nuanced playing styles. - • **Hand-Tested Reliability:** Each tube is rigorously tested to ensure consistent performance and durability. - • **Rich, Musical Overdrive:** Experience smooth distortion with defined lows and lush mids that elevate your sound. - • **Premium Dual Triode Design:** Two high-quality triodes in one tube for versatile tonal shaping and dynamic response. - • **Iconic Black Diamond Aesthetic:** Stand out with a tube that’s as visually striking as it sounds. ## Overview The TELEFUNKEN ECC83-TK Black Diamond Series Vacuum Tube is a premium 12AX7 dual triode tube designed for musicians seeking rich harmonic distortion and clean headroom. Known for its balanced tonal response across lows, mids, and highs, it delivers smooth overdrive ideal for guitar amps and audio equipment. Each tube is hand-tested for reliability and features the iconic Black Diamond branding, making it a top choice for professionals aiming to upgrade their sound with authentic vintage warmth. ## 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 | |---------------|-------| | ASIN | B0779H94W5 | | Best Sellers Rank | #95,985 in Musical Instruments ( See Top 100 in Musical Instruments ) #490 in Guitar Amplifier Tubes | | Customer Reviews | 3.8 3.8 out of 5 stars (8) | | Date First Available | October 13, 2017 | | Is Discontinued By Manufacturer | No | | Item Weight | 9.6 ounces | | Item model number | ECC83-TK | | Product Dimensions | 3 x 1 x 1 inches | ## 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. --- ## 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.de/products/69114532-ecc83-tk-black-diamond-series-vacuum-tube](https://www.desertcart.de/products/69114532-ecc83-tk-black-diamond-series-vacuum-tube) --- *Product available on Desertcart Germany* *Store origin: DE* *Last updated: 2026-04-22*