Denon AU-340 Vintage Phono Step-Up Transformer (MC to MM)

Description

Denon AU-340 Vintage Phono Step-Up Transformer (MC to MM)
SkyFi Audio - Curators of Vintage Audio GearSkyFi Audio is a small startup business specializing in the purchase, reconditioning, and reselling of high end audio equipment. We only buy equipment that we admire and are passionate about. No mid-fi, no gimmicks, no junk. Each piece of equipment is cosmetically restored and fully tested in our well-equipped lab by an engineer with 30+ years of experience in the HiFi world. If it does not meet or exceed the original manufactures specifications, it will not be sold. We are very selective about the equipment we purchase, focusing on mostly analog, high-build quality, American, and European built units.Through our sister company, which is an authorized dealer for McIntosh, Audio Research, Sonus Faber, ClearAudio, Project, and Sony ES, we have access to OEM parts, service, and support.----------Super neat step-up transformer built in Japan during Denon's best period and utilizing the best components available at the time. This is a step-up transformer meant to increase gain so you can utilize a low output MC (Moving-Coil) cartridge on a MM (Moving-Magnet) input. No RIAA EQ included, just additional gain. In very good condition with little signs of use. Working perfectly after testing in our lab.More from Denon:The Denon AU-340 is a high performance audio step-up transformer specially designed and presented for audio fans and music fans.The model AU-340 steps up the output voltage of moving coil type cartridges while deriving the best from the cartridges.SpecificationsStep-up ratio: 1:10 (40 ohms)1:33 (3 ohms)Output difference between channels: Less than 0.5 dBInput impedance: 3 ohms, 40 ohms (with 4K ohms load on secondary winding)Output impedance: 4K ohmsLoad impedance: 50K ohmsFrequency response: 10 Hz to 120 HzDistortion: Less than 0.05%Dimensions: 5.90" x 2.75" x 8.46"(155 x 70 x 215mm)Weight: 4.63 lbs.(2.1kg) ----------PURCHASING GUIDELINES:1) This item will be professionally packaged and insured for safe transit to your home unless you opt for local pickup from our shop. All local pickup items are only wrapped in industrial strength clear stretch wrap if the original manufacturer packaging is unavailable.Local pickup is available in Glen Rock, NJ, just a half hour drive from Midtown Manhattan, with convenient parking near our building.If we don’t have the original manufacture’s packaging, we use heavy duty double-ply corrugated boxes with custom made to your item SealedAir Instapak expanding foam custom inserts. In many cases this has proven to be better than the original packaging! We also use high quality fiber reinforced tape to seal our packages. Lightweight items will be bubble wrapped and shipped in a high-quality box. 2) We do not review or accept any offers that do not go through the official eBay system. We have too many items for sale and it is nearly impossible to keep track of offers outside of the official system. Please do not message, email, or text any offers. 3) All listings are eligible for the eBay Global Shipping Program, unless the item exceeds the maximum weight/price requirements to your country. If this is the case simply message us via eBay as we accept bank wire transfers for international payments and frequently ship worldwide via UPS.4) Please ensure your shipping address is correct within eBay as we will ONLY ship to the eBay/PayPal Confirmed Shipping Address. No exceptions.5) eBay may charge and collect sales tax to your state/jurisdiction. Please understand we have no control over this.eBay v1.5 Item Included Original Box Not Included Manual Yes and Online Remote Not Applicable Cables Yes - Power Only Physical Condition 7 / 10 Working Condition 10 / 10
SkyFi Audio - Curators of Vintage Audio Gear
SkyFi Audio is a small startup business specializing in the purchase, reconditioning, and reselling of high end audio equipment. We only buy equipment that we admire and are passionate about. No mid-fi, no gimmicks, no junk.
Each piece of equipment is cosmetically restored and fully tested in our well-equipped lab by an engineer with 30+ years of experience in the HiFi world. If it does not meet or exceed the original manufactures specifications, it will not be sold. We are very selective about the equipment we purchase, focusing on mostly analog, high-build quality, American, and European built units.
Through our sister company, which is an authorized dealer for McIntosh, Audio Research, Sonus Faber, ClearAudio, Project, and Sony ES, we have access to OEM parts, service, and support.
----------
Super neat step-up transformer built in Japan during Denon's best period and utilizing the best components available at the time.
This is a step-up transformer meant to increase gain so you can utilize a low output MC (Moving-Coil) cartridge on a MM (Moving-Magnet) input.
No RIAA EQ included, just additional gain.
In very good condition with little signs of use. Working perfectly after testing in our lab.
More from Denon:
The Denon AU-340 is a high performance audio step-up transformer specially designed and presented for audio fans and music fans.
The model AU-340 steps up the output voltage of moving coil type cartridges while deriving the best from the cartridges.
Specifications
Step-up ratio:
1:10 (40 ohms)
1:33 (3 ohms)
Output difference between channels:
Less than 0.5 dB
Input impedance:
3 ohms, 40 ohms
(with 4K ohms load on secondary winding)
Output impedance:
4K ohms
Load impedance:
50K ohms
Frequency response:
10 Hz to 120 Hz
Distortion:
Less than 0.05%
Dimensions:
5.90" x 2.75" x 8.46"
(155 x 70 x 215mm)
Weight:
4.63 lbs.
(2.1kg)
----------
PURCHASING GUIDELINES:
1)
This item will be professionally packaged and insured for safe transit to your home unless you opt for local pickup from our shop. All local pickup items are only wrapped in industrial strength clear stretch wrap if the original manufacturer packaging is unavailable.
Local pickup is available in Glen Rock, NJ, just a half hour drive from Midtown Manhattan, with convenient parking near our building.
If we don’t have the original manufacture’s packaging, we use heavy duty double-ply corrugated boxes with custom made to your item SealedAir Instapak expanding foam custom inserts. In many cases this has proven to be better than the original packaging!
We also use high quality fiber reinforced tape to seal our packages. Lightweight items will be bubble wrapped and shipped in a high-quality box.
2)
We do not review or accept any offers that do not go through the official eBay system. We have too many items for sale and it is nearly impossible to keep track of offers outside of the official system. Please do not message, email, or text any offers.
3)
All listings are eligible for the eBay Global Shipping Program, unless the item exceeds the maximum weight/price requirements to your country. If this is the case simply message us via eBay as we accept bank wire transfers for international payments and frequently ship worldwide via UPS.
4)
Please ensure your shipping address is correct within eBay as we will ONLY ship to the eBay/PayPal Confirmed Shipping Address.
No exceptions.
5
) eBay may charge and collect sales tax to your state/jurisdiction. Please understand we have no control over this.
eBay v1.5
Item
Included
Original Box
Not Included
Manual
Yes and Online
Remote
Not Applicable
Cables
Yes - Power Only
Physical Condition
7 / 10
Working Condition
10 / 10
eBay integration
by