Is this the older model ha540 or the ha540 mkii?

The MK2 is the new one I would bet that all are the MK2 version, but that would be up to the individual seller. Looks like Amazon is not very good at updating the listing.

Is this amp for operation on 110 to 240 Volts ?

This item comes with a universal voltage AC adapter. It has input voltage of 100-240v 50/60hz.

What's the output power of this? How many milliwatts or watts?

Max. Output: 500 mW/side, 1 W/Stereo ( @ 16 Ohms )

Is this pure tube, with no transistors in the audio path?Thank you in advance!

I forgot to mention, this a great sounding amplifier. I would highly recommend changing the tube. I changed the original tube with a Mullard tube but am now using it with a JJ ECC803 / 12AX7 Long Plate Gold Pin Vacuum Tube and it sounds great. The tube does make a difference.

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Fully operational. Shipping worldwide, on schedule.Duty & taxes paid at delivery

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Bellari HA540 Pure Class A Stereo Headphone Amplifier

Product ID: 16202578

Details

Brand
Bellari
Color
BLK
Form Factor
On Ear
Headphones Jack
3.5 mm Jack
Model Name
Bellari

⚡Zero feedback Class-A

🎧Drives 16-2k ohms

🔊12aX7 tube output

$416.54

Duties & taxes included

In stock

Sold byAmazon British Virgin IslandsDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Details

Brand
Bellari
Color
BLK
Form Factor
On Ear

Description

🎶 Elevate Your Audio Game with Pure Class A Power!

NO COMPROMISES - Zero feedback design ensures pristine audio fidelity.
UNLEASH YOUR SOUND - Experience the richness of pure Class A amplification.
ELEVATE YOUR LISTENING - Transform your audio experience with bold, immersive sound.
TAILORED FOR ALL HEADPHONES - Seamlessly drives headphones from 16 to 2,000 ohms.
TUBE TECHNOLOGY AT ITS BEST - Enjoy the warm, detailed sound of 12aX7 tube output.

The Bellari HA540 is a high-performance stereo headphone amplifier that utilizes a zero feedback Class A design and 12aX7 tube output to deliver an exceptionally detailed and rich sound. It is capable of driving a wide range of headphones, from 16 to 2,000 ohms, making it a versatile choice for audiophiles seeking an immersive listening experience.

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