1. Configure the circuit so that the power amplifier can be driven with low impedance.2. 21-stage attenuator type chip resistance Japanese Alps Blue Velvet volume applied.3. Full power level volume applied for easy matching not only with vacuum tube amplifier but also with all high-end TR amplifiers.4. 1st-stage amplification tube direct function provided by Japanese Takamisawa 14-pin relay control.5. Calm tone JJ Tesla ECC802 quad match premium vacuum tube installed.6. The wiring material between the PCB and electrical components is applied using a UL-certified connector.7. Changed component placement and applied zirconium core transformer to achieve optimal audio environment.8. No noise and interference-free sound by applying audio-specific epoxy molding and transformer-specific cover.9. Japanese Torques Band volume used for treble and bass.10. Marantz 7 traditional silver color front panel applied.11. Production of 8 100% reproduced silver knobs and 4 up-down knobs.12. Durability is ensured by applying a gold-plated thick black double-sided PCB to the main + mode parts.13. Application of advanced terminals, analog phono EQ configuration with 10 TRs for vacuum tube tones.14. Application of 12 coupling condensers and laminated mica.15. Configured to connect 6 channels of source input and 4 main amplifiers.16. Application of Sprague, aluminum tantalum condenser, and silver Miaka oil coupling condenser.17. All condensers are used exclusively for audio, and a heat-resistant temperature of 105 degrees Celsius is applied to ensure safety even during long-term use.18. Last photo is Original for your information. Please compare.....

Description [Product Description]?Body?Vacuum tube?Wood CabinetThere are no other accessories.[Condition]?Normal operation has been confirmed.It is in good condition without any problem.[Vacuum Tube Measurement]Number manufacturer model number min measured valueV1SIEMENSECC83(12AX7)3250/52V2SIEMENSECC83(12AX7)3246/46V3SIEMENSECC83(12AX7)3250/50V4SIEMENSECC83(12AX7)3249/46V5SIEMENSECC83(12AX7)3248/51V6SIEMENSECC83(12AX7)3250/48[Exterior]?It has a beautiful impression for its age.*For details, Please see the images. Shipping Fedex or DHL or Japan Post Standard Shipping :about 4-18days International Buyers - Please Note: Import duties, taxes, and charges are not included in the item price or shipping cost. These charges are the buyers responsibility. Please check with your countrys customs office to determine what these additional costs will be prior to bidding or buying.

>>UPDATE<< In case you have your own tubes and wanted to buy this preamp even cheaper -> without 3x12ax7 tubes - I can remove them from the offer and reduce the price accordingly - let me know! Up for sale is a chinese factory assembled (not DIY kit) Marantz 7 line preamplifier clone.It has not more than 5 hours on it so all the components and tubes are like new and need some more burn in time. Even now before full burn in it is the best out-of-the-box preamp I have had for this kind of money, imagine what would happen if you upgraded some parts! Point-to-point wiring rules!Preamp has no hum/noise and trully black background of course it sounds way better with NOS tubes ( Ive checked it) Now you have a chance to save on time, shipping costs and customs duties because sale is within EU! Specifications: Input jack Standard: RCA Block (4 sets of input, one-output) Frequency Response: 10-26kHz (+/- 0.11dB) Voltage amplifier level: about 15 times Total Harmonic Distortion: 0.078% Signal to noise ratio: -99dB Chassis dimensions: 32 x 17 x 5cm, total height is about 10cmProduct Features? Japanese original ALPS 16 type axial length of 15mm 100k double potentiometer, Switch is a Taiwan-invested factory production of 2*6, they can adjust the positioning mouth into four files to use. Use of all AC power supply in parallel to the three 12ax7 0.8mm brushed stainless steel plates using CNC punching chassis, SNR makes up -99dB, extremely clean background. Power transformers using H360 0.5 core piece 76 * 40 secondary filament winding especially with double shield grounding line is yellow-green line outlet A group of filament 3.15v * 2 for 3 12ax7 filament (12ax7 4 + 5 and 9 feet 6.3v) High Voltage 270v * 2 using the 6z5p Rectifier. Amplification circuit using scaffolding of welding, power use PCB Gold-plated RCA Block, 4 inputs, one set of outputs. Sale from private collection.No returns, no warranty because from private. I will gladly direct you to the 100% positive feedback page given to me as a seller. Shipping:Germany 18EURItaly, Portugal, Spain, Greece 25EUR Expedition next business day. Shipping cost given for Germany - if you need them to be shipped elsewhere in EU contact me to check actual cost BEFORE buying because I will need to adjust the shipping cost. I combine shipping - check my other listings.

Nice lot of Original 1960s 7C champagne silver tone early Marantz 7 Preamplifier knob set. Four (4) Large Four (4) Small Knob. Nice set of eight (8) TOTAL. They ALL seat well on the knob shaft and there are light marks here and there but nothing major. In very good shape for 60 years with oxidation on all. Please If these are not clean enough for you, please look as I have others up for sale now. Thank you for looking.

HiFi Diy M7 Tube Phono Board Riaa LP Turntable Phono Amp Kit Base On Marantz 7. Inspired by Marantz 7 Phono Riaa circuit, Professional DIY products for Audiophile, High-quality Gold-plated pcb and HiFi audio resistors and capacitors components. Fully assembled board Gold tube seat PCB size: 120x260mm Can use tubes model: ECC83 / 12AX7 3 + 6X4 1 6N2 3 + 6X4 1 Transformer requirements: AC250-AC270V, 30MA, 0-AC12.6V, 2A 0-AC6.3V @2A For 6X4 tube rectifier

Thank you for visiting my page!!DescriptionAppearanceExcellent Condition. Tested. I connected the audio and confirmed various operations. There is no big gully, and the condition is very good. Works perfectly. It will be carefully packed and shipped by express mail. Please see photos and video if available. PaymentWe accept credit and debit cards, Apple Pay, Google Pay, and PayPal.Payment is due within 3 days of your purchase.ShippingThe product will be shipped within two working days after purchase.We ship worldwide by FedEx, DHL, UPS and Japan Post.We will pack the product securely and deliver it safely. International Buyers - Please Note:Import duties, taxes, and charges are not included in the item price or shipping cost. These charges are the buyers responsibility. Please check with your countrys customs office to determine what these additional costs will be prior to bidding or buying.* These charges are normally collected by the delivering freight (shipping) company or when you pick the item up - do not confuse them for additional shipping charges. * We do not mark merchandise values below value or mark items as gifts Because declared value is insured value.lower value.- Besides US and International government regulations prohibit such behavior.*Japanese mechanical products use 100 volts. A transformer is required if it does not match your countrys voltage. Do your own research and prepare a suitable transformer. About UsWe try to describe any items to the best ability and offer you the best values and an good quality. We specialize in Japanese tradition products, so please look at our other items and enjoy feeling Japanese culture!if you are looking for a particular item that is not in our listing, please do not hesitate to contact us.Maybe we can find it for you. Thank you!