Sabaj PHA3 Vacuum Tube Headphone Amplifier 2X6J9 Low Ground Noise Integrated Stereo Amp Audio HiFi Output Protection for Headphone

Input Interface: 3. 5 mm stereo jack output power: 32 Ω: 115mw 64 Ω: 77 mw 150 Ω: 39 mw 300 Ω: 20 mW THD+N: 0032% snr: 95db consumption Power: 5. 5w frequency response: 20Hz-20kHz Residual Noise: 002mv using military grade tube 2*6j9-j for pre amplifier;replaceable design, EF861, can be change the tube for E180F, 6ж9П, and 6688 for different sound style.

Large current headphone driver parallel NJM4556*2, it gets much bigger driving current. Low ground noise: there's no buzzing or ringing when you use our amp! We feature a high-grade microprocessor that controls the relay while its being switched on and off, achieving a low-ground noise power circuit. Aluminum cnc housing with stylish design, high quality components and using relay to mute audio.

Semi-set tube design: as a safety measure, the high temperature portion of the tube is strategically placed inside of the amp and out of reach. Please plug the power supply after all the connection been done for safety.

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Replacement for 6J9, E180F, 6688 Tubes - Vintage Russian Vacuum Tubes - 6J9P-E 6Ж9ПE / 6zh9P-E Matched Pair 2 tubes - Riverstone Audio - Amplitrex Tested - NOS 2 Tubes 6J9P-E - Platinum Grade

Depending on amplifier circuit, 6j9p-e tubes may also be a suitable substitute for 6688 and ef180 tubes - do not use as a replacement for other types of 9-pin tubes - AMPLIFIER DAMAGE CAN OCCUR IF YOU SUBSTITUTE THE WRONG TYPE OF TUBE. Tubes are supplied in our custom tube boxes Riverstone Audio's "Tube Cradle" boxes.

Please note: do not use 6j9p tubes as a replacement for other types tubes - amplifier damage can occur if you substitute the wrong type OF TUBE** BEFORE ORDERING VERIFY the type of tube used in your amplifier printed on the tube - if in doubt contact the manufacturer of your amplifier. Tested and matched by experienced engineers using amplitrex tube testers to evaluate the electrical parameters of the tubes.

Please note: to the best of our knowledge, the 6J9-E tubes we use in our Platinum Grade sets are NOS tubes. We guarantee that the tubes will test at nos levels when received and back them with a no-nonsense ONE YEAR money-back warranty - THE BEST WARRANTY in the audio tube business. Individual matched pairs will have identical date codes manufacture date codes for the 6J9P-E tubes we use range from 1970 to 1991.

Buy with confidence - our platinum grade 6j9p-e vacuum tubes are backed by a no-nonsense 1-year warranty - the best warranty available in the audio tube business. Our platinum grade 6j9p-e vacuum tubes are an excellent replacement for 9-pin Chinese 6J9 tubes. If any deficiencies are found the tubes are not sold.




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UGREEN 3.5mm to 2RCA Audio Auxiliary Stereo Y Splitter Cable 3ft

Depending on circuit, 6j9p-e tubes may also be a suitable substitute for 6688 and ef180 tubes. 6j9p-e is a vintage 9-pin vacuum tube that was manufactured at the Oktjabr' plant in Vinnitsa. Package contents UGREEN 3. 5mm male to 2rca male cable with tiny & metal connectorx1 One pair 2 tubes 6j9p-e 6Ж9Пe / 6zh9p-e nos vacuum tubes.

This is the long-life version of the 6J9P tube denoted by the "E" suffix in the tube code. Upgrade for chinese 6j9 tubes - 6j9p-e tubes are a replacement for chinese 6j9 and russian 6j9p / 6j49p tubes. Devices with rca connector: stereo receivers or speakers, projector, wii box, dvd player, radio - sub woofer, HDTV, VCR, video camera, video camera, VCR, Wii, TV, amplifier, TV, DTS Decoder, Wii box, AV receiver, Mini Disk, Dolby Digital Receiver, and more.

Individual matched pairs will have identical date codes manufacture date codes for the 6J9P-E tubes we use range from 1970 to 1991. Buy with confidence - our platinum grade 6j9p-e vacuum tubes are backed by a no-nonsense 1-year warranty - the best warranty available in the audio tube business. No need to take off your slim protective cases for smartphone, tablets.

Warranty: backed by ugrEEN 18 months limited warranty and professional customer service. Less than 40% of the 6j9p-e tubes we test and audition pass our standard for high fidelity audio use. Test results clearly marked on the tube boxes with data for ip, gm and tube gain are attached to the individual tube boxes.




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GRADO SR80e Prestige Series Wired Open-Back Stereo Headphones

We guarantee that the tubes selected for our matched pairs test at NOS levels when received. After matching, mutual conductance, tube gain, the tubes are evaluated for sound quality in an amplifier. Less than 40% of the 6j9p-e tubes we test and audition pass our standard for high fidelity audio use. Test results clearly marked on the tube boxes with data for ip, gm and tube gain are attached to the individual tube boxes.

Individual matched pairs will have identical date codes manufacture date codes for the 6J9P-E tubes we use range from 1970 to 1991. Buy with confidence - our platinum grade 6j9p-e vacuum tubes are backed by a no-nonsense 1-year warranty - the best warranty available in the audio tube business. Depending on circuit, 6j9p-e tubes may also be a suitable substitute for 6688 and ef180 tubes.

Tubes are supplied in our custom tube boxes Riverstone Audio's "Tube Cradle" boxes. Product features: vented diaphragm, standard copper voice coil wire, standard copper connecting cord, no resonant air chamber, mini plug with 1/4" adaptor. If any deficiencies are found the tubes are not sold. Manufacturers Warranty is only applicable in the US.

Only the best nos 6j9P-E tubes are selected for these matched pairs. John grade says he strove for the best sounding phones for the money and with the glowing reviews the SR80's have received, who can argue.


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Upgrade for 6AK5 / 6J1 / 6J1P / EF95 - Riverstone Audio - Tested/Matched Pair 2 Tubes 7-Pin GE JAN 5654W Fully-Tested Vacuum Tubes - GE 5654W Platinum Grade Pair

5654w tubes were originally designed as a low-noise premium-grade substitute for 6AK5 and EF95 vacuum tubes. When received we guarantee the tubes will test at NOS levels of 5000 micro-mho or higher and a plate current ip of 7. 2 ma or higher tested in fixed-bias mode at a plate and screen voltage of 120 V and a grid voltage of -2.

0 v. Spec. With our high standards, fewer than 40% of the NOS 5654W tubes we test are considered for use in these special matched pairs. Jan electron tubes - Higher Durability and Life. 5654w tubes should only be used to replace 7-pin 6j1, 6j1p / 6j1p-eb / 6zh1p-ev, 6ak5, 6ak5w and ef95 tubes. This is the long-life version of the 6J9P tube denoted by the "E" suffix in the tube code.

Upgrade for chinese 6j9 tubes - 6j9p-e tubes are a replacement for chinese 6j9 and russian 6j9p / 6j49p tubes. If in doubt check with your amplifier manufacturer or contact us to verify that 5654W tubes can be used as a replacement in your particular audio device. Less than 40% of the 6j9p-e tubes we test and audition pass our standard for high fidelity audio use.

Test results clearly marked on the tube boxes with data for ip, gm and tube gain are attached to the individual tube boxes. Manufacturers Warranty is only applicable in the US. All tubes we sell must also pass a specialized life test and an audio sound test.


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Sennheiser HD 600 Open Back Professional Headphone

Tubes are evaluated for plate current ip, H-K leakage and noise. Tubes are supplied in our custom tube boxes Riverstone Audio's "Tube Cradle" boxes. Our experienced engineers match vacuum tubes for both plate current and mutual conductance. Neodymium ferrous magnets maintain optimum sensitivity and excellent dynamics.

Please note: do not use 6j9p tubes as a replacement for other types tubes - amplifier damage can occur if you substitute the wrong type OF TUBE** BEFORE ORDERING VERIFY the type of tube used in your amplifier printed on the tube - if in doubt contact the manufacturer of your amplifier. Tested and matched by experienced engineers using amplitrex tube testers to evaluate the electrical parameters of the tubes.

Buy with confidence - vacuums tubes sold by riverstone audio are backed by a 1-year warranty. Lightweight aluminum voice coils ensure excellent transient response. We have been testing and using vacuum tubes for many years and know what it takes to select tubes for low-noise audio applications. Riverstone audio utilizes the best available equipment amplitrex at1000 to test and match audio tubes.

Depending on circuit, 6j9p-e tubes may also be a suitable substitute for 6688 and ef180 tubes. The tubes chosen for these matched pairs have close electrical parameter matching ip and Gm are within 6% tubes. Open audiophile-quality hi-fi professional Headphones One pair 2 tubes 6j9p-e 6Ж9Пe / 6zh9p-e nos vacuum tubes.




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Nobsound NS-08E Vacuum Tube Integrated Amplifier Mini Audio HiFi Stereo Headphone Amp

Specifications: output power: ≥1100 mw 32 ohm Headphone Adapter Impedance: 18-600 ohm Total harmonic distortion:. If so, the device may be defective and you can contact us to get support. We recommend using 24~600Ω headphones, while armature earphones and headphones that have low resistance and high sensitivity are not suitable.

If there are no interference, please remove all input and listen to see if the noise still exists. As there will be tube Microphone effect, please keep the amplifier steady while using it. For noise issue, please keep it away from devices like routers, mobile phones or something that may interfere in the audio signal.

Notice: please turn on the amplifier for about 15 seconds before you connect the audio source and put on the headset.


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Monoprice 1.5ft Premium 2 RCA Plug/2 RCA Plug M/M 22AWG Cable - Black

This is the long-life version of the 6J9P tube denoted by the "E" suffix in the tube code. Upgrade for chinese 6j9 tubes - 6j9p-e tubes are a replacement for chinese 6j9 and russian 6j9p / 6j49p tubes. Please note, package does not include audio cables. New version uses ceramics tube sockets, 6j4, 6j5, which have better oxidation resistance and can be more durable even after long-time use.

Our experienced engineers match vacuum tubes for both plate current and mutual conductance. We have been testing and using vacuum tubes for many years and know what it takes to select tubes for low-noise audio applications. Riverstone audio utilizes the best available equipment amplitrex at1000 to test and match audio tubes.

Vacuum tubes sold by riverstone Audio will have the "Riverstone Audio" name, logo and QC label on the boxes***. Connectivity technology : Wired. The tubes chosen for these matched pairs have close electrical parameter matching ip and Gm are within 6% tubes. Important** amplifier damage can occur if you substitute the wrong type of tube.

For better preamp performance, we recommend NS-10P ASIN: B07719G56B. The best warranty available in the audio tube business. Input and output audio jacks are both 3.


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FiiO FH5 Best Over The Ear Headphones/Earphones Detachable Cable Design HiFi Quad Driver Hybrid 1 Dynamic + 3 Knowles BA in-Ear Monitors for iOS and Android Computer PC Tablet

Please note, package does not include audio cables. New version uses ceramics tube sockets, 6j5, 6j4, which have better oxidation resistance and can be more durable even after long-time use. Neodymium ferrous magnets maintain optimum sensitivity and excellent dynamics. For better preamp performance, we recommend NS-10P ASIN: B07719G56B.

Exotic-inspired acoustics design | Exotic-inspired S. Turbo technology | Exotic-inspired independent sound tubes. Individual matched pairs will have identical date codes manufacture date codes for the 6J9P-E tubes we use range from 1970 to 1991. Buy with confidence - our platinum grade 6j9p-e vacuum tubes are backed by a no-nonsense 1-year warranty - the best warranty available in the audio tube business.

New version uses upgraded 6J3 tubes. The cable uses a 22awg conductor and is shielded to prevent EMI or RFI interference from entering your audio system. Our experienced engineers match vacuum tubes for both plate current and mutual conductance. Customize your sound with 13 pairs of ear tips covering balanced, bass, vocal sound signature as well as foam and bi-flange ear tips.

These vintage US manufactured GE tubes are Mil. Sound is warmer and softer with more brilliant treble, more powerful bass and quieter background. This unit can easily power high-performance headphones including the hd580, HD650, Q701, K701, HD600, K702, and many more.


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FX Audio TUBE-01 6J1 Tube Buffer HIFI Preamplifier Black

Exotic-inspired acoustics design | Exotic-inspired S. Turbo technology | Exotic-inspired independent sound tubes. Please note, package does not include audio cables. New version uses ceramics tube sockets, 6j4, 6j5, which have better oxidation resistance and can be more durable even after long-time use. All tubes we sell must also pass a specialized life test and an audio sound test.

You can see our description for the full list of replacement tubes. Buy with confidence: with monoprice's Lifetime Warranty on all Cables, you can rest assured we stand behind our products and our customers. This is a premium two-channel audio cable made of RG-59 75 ohm coaxial cable. Sound is warmer and softer with more brilliant treble, more powerful bass and quieter background.

This unit can easily power high-performance headphones including the hd580, Q701, HD600, K702, K701, HD650, and many more. The tubes chosen for these matched pairs have close electrical parameter matching ip and Gm are within 6% tubes. Can match digital power amplifier analog power amplifier, active speakers.

Using classical tube 6j1 design and optimize the route. Tube can be replaced design, soft voice. Patent power conversion module.


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6 Pairs Earphone Tips New Bee 12pcs Premium Replacement Earbud Tips Blocking Out Ambient Noise Memory Foam Earbuds Inner 4.9mm for in-Ear Headphones with 5mm-7mm Tips Black, S/M/L

After matching, tube gain, mutual conductance, the tubes are evaluated for sound quality in an amplifier. The cable uses a 22awg conductor and is shielded to prevent EMI or RFI interference from entering your audio system. Only the best nos tubes are selected for Riverstone's Platinum tested/matched pairs.

Test results are clearly listed on each tube box. Vacuum tubes sold by riverstone Audio will have the "Riverstone Audio" name, logo and QC label on the shipping box. Ugreen 3. 5mm1/8" headphone plug to 2 rcaright/left stereo patch cable is ideal for plugging the 3. 5mm plug into the headphone jack of your device or computer and the 2 RCA's to the left and right auxiliary inputs on your sound system.

High-quality open metal-mesh earpiece covers. Connectivity technology : Wired. Sound is warmer and softer with more brilliant treble, more powerful bass and quieter background. This unit can easily power high-performance headphones including the hd580, K702, K701, Q701, HD600, HD650, and many more. Input and output audio jacks are both 3.

5 mm. 3.


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