M-5 Valve Amplifier

M-5 Valve Amplifier

$400

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The Boyuu Yulu M5 KT88 Tube Amplifier is a high-fidelity, single-end tube amplifier designed for audiophiles seeking exquisite sound quality and elegant design. This secondhand unit is in good condition, thoroughly checked by our experts, and in full working order. Backed by Len Wallis Audio’s three-month warranty, it’s a fantastic addition to your audio system. Visit our showroom or call to learn more!

Pricing available on application which will includes installation and shipping costs to your nominated location

Experience the warmth and clarity of tube amplification with the Boyuu Yulu M5 KT88 Tube Amplifier, a sophisticated and beautifully crafted integrated amplifier designed to deliver high-fidelity sound. Now available secondhand at Len Wallis Audio, this unit is in good condition, has been fully inspected by our expert technicians, and comes with our standard three-month warranty, ensuring both quality and peace of mind.

Elegant Design and Premium Build

The M5 KT88 amplifier is as visually striking as it is sonically impressive. Its compact dimensions (330 x 265 x 180mm) make it a stylish addition to any listening space. Featuring a sleek chassis, high-quality knobs, and premium components, it blends modern aesthetics with timeless tube amp charm. Weighing in at 16kg, the build quality reflects its durable and robust construction.

Exquisite Sound Performance

At the heart of the M5 KT88 Tube Amplifier is a pair of PSVANE KT88 power tubes, renowned for their warm, rich sound signature. The amplifier produces a powerful 15W output, suitable for driving a wide range of speakers with precision and depth.

Key performance highlights include:

  • Total Harmonic Distortion (THD): ≤ 1% at 1kHz for clean, distortion-free sound.
  • Signal-to-Noise Ratio (SNR): 90dB, ensuring a quiet background for pure audio reproduction.
  • Input Sensitivity: 850mV, catering to a variety of audio sources with ease.

The SHUGUANG 6N1J pre-amplifier tubes and 5Z3PJ rectifier tube further enhance the soundstage, delivering exceptional detail and clarity across all frequencies.

Versatile Connectivity

The M5 KT88 amplifier features three input signals with a 100KΩ input impedance, making it compatible with a variety of source devices, including CD players, turntables with preamps, and streaming devices. Its output impedance options of 4Ω and 8Ω ensure compatibility with most speaker setups, offering flexibility for your unique system.

Durability and Premium Components

The M5 KT88 is built to last, featuring a 0.35mm steel power transformer and 30W output transformer, ensuring efficient power delivery and consistent performance. Every component is meticulously designed to minimize distortion and maximize sound quality, making it a reliable choice for discerning listeners.

Technical Specifications

  • Type: Single-End KT88 Tube Integrated Amplifier
  • Output Power: 15W
  • THD: ≤ 1% (1kHz)
  • Input Sensitivity: 850mV
  • Input Impedance: 100KΩ (3 inputs)
  • SNR: 90dB
  • Output Impedance: 4Ω / 8Ω
  • Pre-Amplifier Tubes: SHUGUANG 6N1J x 2
  • Power Tubes: PSVANE KT88 x 2
  • Rectifier Tube: 5Z3PJ
  • Dimensions: 330 x 265 x 180mm
  • Weight: 16kg

Why Choose the M5 KT88 Tube Amplifier?

The Boyuu Yulu M5 KT88 combines exquisite craftsmanship with outstanding audio performance. Its warm, natural sound signature is perfect for music lovers who want to experience their favorite tracks the way they were meant to be heard. Whether you’re a dedicated audiophile or exploring the world of tube amplification for the first time, this amplifier offers a premium experience at an excellent value.

Visit Us Today

This secondhand unit has been thoroughly inspected and is in perfect working condition, backed by our three-month warranty for added assurance. We invite you to visit our showroom to see the M5 KT88 Tube Amplifier in person and learn more about its features and performance. Alternatively, give us a call to speak with one of our friendly and knowledgeable staff members, who are always happy to help you find the perfect addition to your audio system.

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At Len Wallis Audio, whether you’re purchasing in store, over the phone or online through our ecommerce store, we want you to be completely satisfied with your purchase.

Our Refund, Return and Repairs Policy is here to clarify any concerns or questions you might have prior to you making a purchase from us. This way you can be sure of our policy on refunds, returns and repairs and your rights under the Australian Consumer Law.

We also recommend you immediately inspect any goods that you receive from us to ensure you are completely satisfied with the goods, including that the goods are of acceptable quality, and match the description we have provided to you.

If you have any questions about this policy, please contact us at sales@lenwalluisaudio.com.au or 02 9427 6755

We require a receipt or proof of purchase.

  • Please do not send your purchase back to the original manufacturer.
  • There are certain situations where only partial refunds are granted (if applicable). For example:
    • Any item not in its original condition, is damaged or missing parts for reasons not due to our error
    • Any item that is returned for reason of change of mind more than 14 days after delivery or purchase from the store.

Consumer Guarantees and Your Rights under the Australian Consumer Law

Refer to our page for more information.

Goods Damaged in Transit.

If any goods arrive damaged, please contact us as soon as possible. Len Wallis Audio will arrange to have the damaged goods returned and either arrange for a replacement of the goods or refund the price to you. Damaged goods must be returned in the condition received by you with all original packaging, accessories and/or manuals.

Refunds

Refunds will be normally be processed within five (5) days.

Delivery Charges

Where Len Wallis Audio considers the goods to have breached a consumer guarantee, any shipping costs to return the goods to Len Wallis Audio will be at our cost.

Returns and Repairs.

You may visit Len Wallis Audio and a staff member will assist you with any return or repair. This may include inspecting the goods, arranging for the goods to be repaired, or providing you with a replacement.

Goods must be returned within a reasonable time. 

If any goods cannot be easily returned to us due to their size, the fault or because they have been affixed or installed in your premises, please contact us and we will arrange an inspection to assess the goods.

Goods returned for repair will be assessed and/or repaired within a reasonable time. You may be provided with an indicative repair time, which time may vary due to reasons beyond ours or the repairer’s reasonable control, such as part availability and incorrect fault description.

You may be required to pay labour, assessment and/or freight fees, such as where goods are assessed to have been damaged by misuse or accident, or where your rights under the Australian Consumer Law or any manufacturer’s warranty do not apply. We may provide you with an indicative fee, which may vary due to reasons beyond our control.

If any goods that you return are capable of retaining user generated data such as files stored on a hard drive, and songs stored on a portable media player, the replacement or repair of the goods may result in loss of the data. In these circumstances, we recommend you back up data to prevent data loss, and remove sensitive or confidential data, as a party assessing and/or repairing your goods may be required to view data in the course of carrying out the assessment. We will not be responsible for any data loss.

In some circumstances, goods presented for repair may be replaced by refurbished goods of the same type rather than being repaired. Refurbished parts may be used to repair the goods.

Contact Us

Where you have any questions or concerns relating to your Order, please immediately contact us

We understand that sometimes you may simply change your mind about a purchase or have made a wrong selection. In these situations, you have 14 days in which to return your item for a refund, exchange or store credit. If more than 14 days has passed since your purchase we can’t offer you a refund, exchange or store credit.

To be eligible for a return, refund or store credit your item must be in the same condition that you received it. Which is to say, it must be in the original unopened packaging, and in ‘brand new’ saleable condition.

Please note that current Australian Consumer Law does not require us to offer a ‘Change of Mind’ refund. Rather Len Wallis Audio offers 14 day ‘Change of Mind Policy’ in good faith. For more information on consumer rights and guarantees, please visit the Australian Competition and Consumer Commission web site.

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