Product Details Vacuum Tube, 12DW7 / ECC832, JJ Electronics, Dual Triode, Standard Pins, PreampT-12DW7-JJSold individually In the 12DW7/ECC832, Section 1 of the tube (pins 6, 7, and 8) is the high gain 12AX7/ECC83 spec (gain factor 100) and Section 2 (pins 1, 2, and 3) is the low gain 12AU7/ECC82 spec (gain factor 17). ECC832 (T-12DW7-JJ-X) Section 1 Section 2 Pins 6, 7, 8 1, 2, 3 Gain Factor of 100 Factor of 17 Spec 12AX7/ECC83 12AU7/ECC82 ECC823 (T-ECC823-JJ) Section 1 Section 2 Pins 6, 7, 8 1, 2, 3 Gain Factor of 17 Factor of 100 Spec 12AU7/ECC82 12AX7/ECC83 Not what you’re looking for? Check out our other products in this category:Vacuum Tubes -> PreamplifierVacuum Tubes -> TriodeClick here to visit our ebay store’s homepage.MeasurementsProduct Measurements:Body Height49.2 mmCathode Current, system I (Ik)≤ 8 mACathode Current, system II (Ik)≤ 20 mAFilament Current (If)300 / 150 mAFilament Voltage (Uf)6.3 / 12.6 VGain, System I (μ)100Gain, System Ii (μ)17Grid Resistance, system I (Rg)2.2 MΩGrid Resistance, system II (Rg)1 MΩGrid Voltage, system I (Ug)≥ -50 V, -2 V typicalGrid Voltage, system II (Ug)≥ -50 V, -8.5 V typicalHeater to cathode resistance, system I (Rk/f)150 kΩHeater to cathode resistance, system II (Rk/f)150 kΩHeater to cathode voltage, system I (Uk/f)≤ 180 VHeater to cathode voltage, system II (Uk/f)≤ 180 VInternal Resistance, system I (Ri)62.5 kΩInternal Resistance, system II (Ri)7.7 kΩItem Diameter22 mmItem Height56.3 mmPlate Current, system I (Ia)1.2 mAPlate Current, system II (Ia)10.5 mAPlate Dissipation, system I (Wa)≤ 1 WPlate Dissipation, system II (Wa)≤ 2.75 WPlate Voltage (Ua)≤ 300 V, 250 V typicalTransconductance, system I (S)1.6 mA/VTransconductance, system II (S)2.2 mA/VPackaging Information:Packaging Dimensions1 in. x 1 in. x 2.4 in.Weight (Packaging)0.0287 lbs.About UsAbout Amplified Parts:Backed by over 30 years of experience serving the electronic hobbyist market, Amplified Parts® provides the parts you need to modify, repair, or build your own audio and musical instrument equipment, from transistor radios to vacuum tube amplifiers, guitar pedals, and modular synthesizers. Our mission is to provide our customers with high quality products from an inventory of over 12,000 unique items, and to share our expertise via our large library of tech articles and equipment build guides.Whether you are building cutting-edge equipment or restoring classic gear with historical accuracy, Amplified Parts® has what you need.We typically ship the same day if your order is placed before 12:00pm Arizona Time Monday through Friday excluding holidays.All packages are insured and we assume responsibility for the shipment until the carrier shows delivery.Click here to visit our ebay storefront.
Item Tag: Vacuum Tube
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Vacuum Tube, EL34, JJ Electronics, Apex Burned-In Matched Pair, Power
Product Details Vacuum Tube, EL34, JJ Electronics, Apex Burned-In Matched Pair, Power, Package of 2.0000T-EL34-JJ-MPBPackage of 2.0000 The JJ Electronic EL34 is another classic from JJ. This tube features a rugged construction leading to an incredibly reliable EL34 with astonishing tone. Overall the sound is nicely balanced with tight lows, a rich and dynamic mid range and clear highs. The JJ EL34 is a great replacement for guitar amplifiers and stereo amps as well. Not what you’re looking for? Check out our other products in this category:Vacuum Tubes -> Burned InVacuum Tubes -> PowerClick here to visit our ebay store’s homepage.MeasurementsProduct Measurements:Body Height98 mmCathode Current (Ik)≤ 150 mAFilament Current (If)1.5 AFilament Voltage (Uf)6.3 VGain (μg2/g2)11Grid 2 dissipation (Wg2)8 WGrid capacitance (cg1)15.5 pFGrid Current 2 (Ig2)14.9 mAGrid to Plate Capacitance (ca/g)1.3 pFGrid Voltage 1 (Ug1)-10 V to -13.5 V typicalGrid Voltage 2 (Ug2)≤ 450 V, 265 V typicalGrid Voltage 3 (Ug3)0 V typicalHeater to cathode resistance (Rk/f)20 kΩHeater to cathode voltage (Uk/f)≤ 100 VInternal Resistance (Ri)15 kΩItem Diameter33.3 mmItem Height112 mmPlate Capacitance (ca)10 pFPlate Current (Ia)100 mAPlate Dissipation (Wa)≤ 25 WPlate Voltage (Ua)≤ 800 V, 250 V typicalTransconductance (S)11 mA/VPackaging Information:Packaging Dimensions4.6 in. x 3.3 in. x 1.6 in.Weight (Packaging)0.2514 lbs.About UsAbout Amplified Parts:Backed by over 30 years of experience serving the electronic hobbyist market, Amplified Parts® provides the parts you need to modify, repair, or build your own audio and musical instrument equipment, from transistor radios to vacuum tube amplifiers, guitar pedals, and modular synthesizers. Our mission is to provide our customers with high quality products from an inventory of over 12,000 unique items, and to share our expertise via our large library of tech articles and equipment build guides.Whether you are building cutting-edge equipment or restoring classic gear with historical accuracy, Amplified Parts® has what you need.We typically ship the same day if your order is placed before 12:00pm Arizona Time Monday through Friday excluding holidays.All packages are insured and we assume responsibility for the shipment until the carrier shows delivery.Click here to visit our ebay storefront.
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12AY7, JJ Electronics, Apex Matched & Performance Tested, Preamp
JJ Electronic 12AY7. This tube is Apex® Matched and Performance Tested. Precision Matching: For even greater accuracy, select for the Matched option, where both sides of dual triodes are transconductance matched.
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JJ Electronic ECC82 Vacuum Tube Tested New in Box, Made in Slovak Republic
The JJ Electronic ECC82 Vacuum Tube is a high-quality vintage audio component, made in the Slovak Republic. This unit is brand new in the box, ensuring that it is in pristine condition for use in vintage audio systems. The ECC82 model is known for its warm and rich sound quality, making it a sought-after choice for audiophiles and vintage electronics enthusiasts. Made by JJ Electronic, a trusted brand in the industry, this vacuum tube is sure to enhance the sound of any vintage audio setup.
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JJ Electronic Matched Pair (2) GZ34 / 5AR4 Rectifier Vacuum Tubes – Brand New
100% Guaranteed TubesAll tubes are tested for Gm, shorts, leaks, gas, and noise on one of our vintage, calibrated, or state of the art digital tube testers. Buy from the experts and avoid hassle!Visit our store to view our inventory of thousands of tubes both NOS & New Production We are an authorized dealer for New Sensor products including Sovtek, Electro-Harmonix, Mullard, Tung-Sol, and Genalex. We sell A grade quality stock, not factory seconds like many other sellers. International Buyers Please Read our Disclaimer Below – Standard Shipping can take 3 MONTHS or more – Do NOT Trust eBay Shipping Estimates JJ Electronic Matched Pair (2) GZ34 / 5AR4 Rectifier Vacuum Tubes – Brand New JJ is an undisputed leader in modern vacuum tube manufacturing, and for good reason. Among rectifier tubes, their 5AR4 (GZ34) is an industry favorite, as it provides consistent performance along with great build quality at a reasonable price point. Precision Testing & Matching Test Data on the Box Power Tubes: Checked for shorts, gas and leaks. Tested for and/or matched by Plate Current (Ip) and General Mutual Transconductance (Gm) at real world voltages on a Maxi-Matcher tube tester; Preamp Tubes: Checked for shorts, gas and leaks. Tested for and/or matched by Gain and General Mutual Transconductance (Gm) at real world voltages on a Maxi-Matcher Preamp II tube tester; Rectifier Tubes: Checked for shorts, gas and leaks. Tested for and/or matched by Emissions on a calibrated Hickok TV-7 or Triplett 3444 tube tester. Shipping We have a retail location located in Easthampton MA. You are more than welcome to pickup your order in person. Our typical hours are Monday – Friday 9:00 AM to 5:00 PM but we do offer extended hours so call first! All new production tubes ship for free so we do not combine shipping on new production tubes. We still combine shipping with vintage tubes. All orders before 1:00 PM EST ship same-day. All orders shipped within 1 business day. Domestic & International buyers can choose USPS First Class Mail or USPS Priority Mail.USPS First Class Mail is our default shipping method. Other options available only by request. Typical transit times: Domestic USPS First Class Mail: 3-9 Days, includes trackingDomestic USPS Priority Mail: 1-3 Days, includes trackingInternational USPS First Class Mail: Typically 3-6 weeks but up to 3 months! – NO TRACKINGInternational USPS Priority Mail: 6-14 Days – Includes Tracking International Shipping Disclaimer International orders will be shipped by USPS First Class Mail International by default, which is the cheapest possible way and you do get what you pay for. This shipping service is very cost-effective and extremely safe, but you will not be able to track your package. It usually takes 3-6 weeks for a First Class Mail International package to arrive, but can take UP TO 3 MONTHS FOR DELIVERY DUE TO CUSTOMS, ESPECIALLY IN CERTAIN STRICT COUNTRIES LIKE RUSSIA, CHINA OR BRAZIL. We guarantee all of our shipments, but we do ask that our customers wait 90 days before we grant a full refund due to a lost package. We have shipped thousands of items internationally using First Class Mail and while we have had plenty take several months to arrive, we have had less than 10 actual lost packages. * Remember – You Have 6 Months of Coverage Through PayPal or your Credit Card company * DEPENDING ON YOUR COUNTRY’S POLICIES, YOU MAY BE RESPONSIBLE FOR IMPORT TAXES WHEN ORDERING OVERSEAS FROM US. WE ARE NOT RESPONSIBLE FOR ANY TAXES, DUTIES, OR CUSTOMS FEES.Guarantee & Returns All of our products are guaranteed unless otherwise stated. We do not accept returns on the subjective basis of sonic qualities. All items all guaranteed to be as described and free of any electrical or operational faults such as shorts, low test, microphonics, noise etc. Returns will be accepted for tubes that don’t test as described in most cases, but we reserve the right to refuse a return if the tube was not tested properly by the customer; We also reserve the right to refuse a return if it is clear the item was used improperly. For example-a tube installed in the wrong amplifier. We will not accept returns for any cosmetic issues such as crooked bottles, dirty glass, poor boxes etc, unless item condition differs from the description nor will we accept a return for buyers remorse. If you bought the wrong item, you may return it but we will charge a 15% restocking fee.Vintage & NOS tubes are guaranteed for 30 days from the date of purchase;New Production tubes are guaranteed for 90 days. About UsCome visit the only retail tube store in the USA! VIVA TUBES is your source for vintage vacuum tubes. Located in an appropriately rustic mill building in Easthampton MA. We share our building with a Recording Studio, Brewery, Practice Spaces and many other small businesses. . We carry everything from vintage audio tubes and new productions to HAM tubes. We also have a variety of vintage electronic parts as well as audio equipment and more! We have a vast inventory of thousands and thousands of tubes.What started as a hobby several years ago to fund my obsession with tube audio, VIVA TUBES has quickly grown into a full time business;We pride ourselves on our excellent customer service and great attention to testing and product detail. Shop with us and find out why the majority of our customers are repeat customers.WE ARE ALWAYS BUYING TUBES – LARGE OR SMALL LOTS – WE CAN ACCEPT SHIPMENTS OR MAKE AN APPOINTMENT TO VIEW LOCALLY – PLEASE CONTACT
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3 -NOS NIB JJ Electronic ECC83S Platinum Plus Grade Matched Pair Preamp Tubes
The product is a matched pair of JJ Electronic ECC83S/12AX7 Platinum Plus Grade preamp tubes, designed for vintage audio and video equipment. These vacuum tubes are known by various models such as ECC83, 12AX7, 5751, 7025, E83CC, ECC803, and E803CC. Manufactured in Slovakia, these tubes are highly sought after by collectors and enthusiasts for their quality and reliability in vintage audio setups. With the brand’s reputation for producing top-notch electronic components, these tubes are sure to enhance the performance and sound of any vintage audio system.
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7591, JJ Electronic, Matched Vacuum Tube, Apex Performance Tested Single, Power
This tube is Apex® Performance Tested. Rigorous Testing: Each tube undergoes comprehensive testing for noise levels, gain consistency, and transconductance.
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EL34 II, JJ Electronic, Matched Vacuum Tube, Apex Performance Tested Single
This tube has a more compact plate structure than standard EL34’s. The JJ EL34 II has an increased low to low-mid end with plenty of headroom to spare. This tube has a thick and tight bass response.
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12DW7 / ECC832, JJ Electronics, Apex Performance Tested, Preamp
JJ Electronic 12DW7 / ECC832. This tube is Apex® Performance Tested. Grid Resistance, system I (Rg) 2.2 MΩ. Grid Resistance, system II (Rg) 1 MΩ. Heater to cathode resistance, system I (Rk/f) 150 kΩ.
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KT88, JJ Electronics, Blue Glass Vacuum Tube, Apex Matched Quad, Power
The JJ Electronic KT88 is a sonically faithful reproduction of the original tubes with a robust construction encased in a thick glass envelope. This tube has a tone that is warm and lively with a detailed and balance response.