Output impedance: 4, 8Ω. Imported 035 thick core manufacturing power transformers, to ensure adequate power and low temperature rise. Total harmonic distortion: ≤ 1% 1kHz. Output transformer with a new imported 035 core manufacturing, high-purity copper wire package enameled, string and connection method, divided into three clips two around the system, layered segmentation, Output transformer transformer housing with high-grade stretch hood.
BOYUU A10 EL34 Hi-Fi Audio Stereo Tube Amplifier Single-end Class - A Amp #ad - Chassis: imported mirror stainless steel chassis. Input impedance: 100kΩ 2 groups input dimensions W × D × H: 310 × 268 × 165mm. High temperature paint surface treatment, bright pattern processes. Rectifier tube: 5Z4PJ × 1. Warm reminder: you should take about 30-100h time to operate the amp. Run-in to the amp gives it's best and stable sound.
So during the first 100h use time the sound maybe is not the best, you can also use your own run-in method.
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Tested/Matched Pair 2 Tubes 7-Pin GE JAN 5654W Fully-Tested Vacuum Tubes - Riverstone Audio - Upgrade for 6AK5 / 6J1 / 6J1P / EF95 - GE 5654W Platinum Grade PairGE 2PC-GE5654W #ad - The "w" designation refers to ruggedized military-grade tubes with better quality control and internal design changes to enhance reliability. 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. Important** amplifier damage can occur if you substitute the wrong type of tube. We do not sell untested tubes - never have and never will. Do not substitute for any other type of 7-pin tube. Tested and matched pair 2 tubes of low-noise 7-pin nib/nos ge jan 5654w vacuum tubes.
Tested/Matched Pair 2 Tubes 7-Pin GE JAN 5654W Fully-Tested Vacuum Tubes - Riverstone Audio - Upgrade for 6AK5 / 6J1 / 6J1P / EF95 - GE 5654W Platinum Grade Pair #ad - The best warranty available in the audio tube business. Plate current and Gm are both matched to within 3%. Matched tubes undergo a final audio sound check to make certain they are indeed audio quality. Considered one of the best of the 5654 / 6ak5 / ef95 family of tubes for audio use. All vacuum tubes we sell are carefully packed for shipping and will have the "Riverstone Audio" name, logo and QC labels on the boxes.
Note: all vacuum tubes sold by riverstone Audio will have the "Riverstone Audio" name, logo and QC label on the boxes***.
More information about GE 2PC-GE5654W #ad
Nobsound Little Bear T7 Vacumn Tube Mini Phono Stage RIAA MM Turntable Preamp & HiFi Tube Pre-Amplifier (Black) #ad
T20 Bluetooth Tube Amplifier Stereo Receiver 2 Channel Class D Digital Mini Hi-Fi Power Amp Preamp Compact Integrated Headphone Amplifier for Home Passive Speakers with 6J4 Vacuum tubes + Power Supply #ad
Little Dot MK2 MKII 6J1 X 2 6N6 X 2 Tube Standard Hybrid Headphone Headphone Amp Pre-Amp Tube Amplifier (MKII) #ad
Fosi Audio P1 Tube Pre-Amplifier Mini Hi-Fi Stereo Buffer Preamp 6K4 Valve & Vacuum Pre-amp with Treble & Bass Tone Control for Home Theater System #ad
Nobsound Little Bear T7 Vacumn Tube Mini Phono Stage RIAA MM Turntable Preamp & HiFi Tube Pre-Amplifier (Silver) #ad
Nobsound NS-08E Vacuum Tube Headphone Amplifier Hi-Fi Valve Headphone Amp Stereo Audio Preamplifier #ad
Micca Pure Copper Speaker Wire with Gold Plated Banana Plugs, 14AWG, 6 Feet 2 Meter, PairMicca SW-14-2M-P #ad - Vacuum tubes sold by riverstone Audio will have the "Riverstone Audio" name, logo and QC label on the boxes***. It's simple, easy to open, reusable, and lowers your cost. Red polarity stripe together with color-coded connectors helps prevent connection mistakes. 5654w tubes should only be used to replace 7-pin 6j1, 6ak5, 6j1p / 6j1p-eb / 6zh1p-ev, 6ak5w and ef95 tubes.
This construction method is not only durable, but also eliminates needless bulk for a clean and uncluttered installation that reduces the chance of accidental shorting. Premium pure copper speaker wire with 245 fine strands for excellent conductivity. Double layer jacket - durable inner layer and a supple outer jacket provides excellent protection against abrasion while maintaining flexibility.
Micca Pure Copper Speaker Wire with Gold Plated Banana Plugs, 14AWG, 6 Feet 2 Meter, Pair #ad - No fancy gimmicks or voodoo magic - just a great cable at a great price. Spec. Like other well reviewed micca Media Series audio and video products, Micca takes the no-nonsense approach to building a high quality yet affordable speaker wire. These vintage US manufactured GE tubes are Mil. Note 2: this speaker wire is built with banana plugs for use with binding posts.
Standard 15mm length fits both deep and shallow binding posts securely. We have been testing and using vacuum tubes for many years and know what it takes to select tubes for low-noise audio applications.
More information about Micca SW-14-2M-P #ad
Micca MB42X Bookshelf Speakers With 4-Inch Carbon Fiber Woofer and Silk Dome Tweeter (Black, Pair) #ad
S.M.S.L AD18 HiFi Audio Stereo Amplifier with Bluetooth 4.2 Supports Apt-X,USB DSP Full Digital Power Amplifier 2.1 for Speaker,Small 80Wx2 Class D Amplifier with Subwoofer Output #ad
Micca OriGain Compact Stereo Integrated Amplifier and DAC, 50W x 2, 96kHz/24-Bit, USB and Optical S/PDIF (Black) #ad
Micca 2-Inch Tall Adjustable Acoustic Foam Wedge Isolation Pads for MB42 and MB42X Bookshelf Speakers and PB42X Powered Monitors (4.9 x 7.5) #ad