EAR Yoshino EAR Yoshino 509 Monoblock Pair Power Amplifiers
EAR Yoshino EAR Yoshino 509 Monoblock Pair Power Amplifiers
EAR Yoshino EAR Yoshino 509 Monoblock Pair Power Amplifiers

EAR Yoshino 509 Monoblock Pair

Regular price$22,499.00

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  • Free Delivery Australia Wide
  • Local Australian Warranty
  • 1800 100 998 For Assistance

We take pride in our customer service and shipping times. Most products will ship within 1-2 business days. If there are any potential delays with products in your order, we will contact you.

All orders now come with free shipping Australia Wide.

We use a variety of shipping methods depending on the types of items purchased and their delivery location. This helps to ensure your items arrive safely andΒ in a timely manner. If you are on a tight deadline or would like to know an estimated delivery date for your order, contact our friendly staff and they will be happy to assist.

Classic Beauty

The EAR 509 mono amplifier, designed by the acclaimed Tim de Paravicini, has been a staple in professional studios and homes alike for over 30 years. Known for its high fidelity and robust 100-watt output, this timeless piece is meticulously crafted with a polished chrome finish that complements its rectilinear form, achieving a sleek and elegant aesthetic. Its compact design is a testament to its refined engineering, packing immense power without compromising on performance.

Limitless Possibilities

Built on a foundation of reliability, the EAR 509 benefits from three decades of expertise in servicing and design. Its intuitive self-biasing system simplifies valve adjustments with two sets of dials and four LEDs that ensure equal intensity, making it easy to maintain optimal performance.

Double the Output

The EAR 509s are engineered with industrial-grade components to withstand the rigours of professional audio environments. Optional balanced inputs cater to professional-grade applications, enhancing versatility. Each unit is uniquely matched with carefully selected valves to ensure the highest quality stereo output, reflecting our commitment to superior audio performance.

Bespoke from the Ground Up

At EAR Yoshino, we believe that exceptional audio starts with exceptional components. Tim de Paravicini has personally designed each output and power transformer with the finest musical experiences in mind. Locally hand-built and rigorously tested, these transformers ensure that the EAR 509s leverage their full 100-watt output capacity, delivering sound that resonates with clarity and depth.



  • Two PL509 (EL519)
  • Two ECC83 (12AX7)
  • One ECC85 (6AQ8)


  • Frequency Response: 3Hz-30Khz (-1dB)
  • Signal-to-Noise Ratio: 96dB
  • Intermodulation Distortion (I.M.D.): 0.2%
  • Harmonic Distortion: 0.5% at 12Hz-60Kz (-3dB)


  • Input: One Line (RCA) or Balanced (XLR)


  • Power Output: 100W into 4 and 8Ξ© (20-20KHz)

Dimensions and Weight:

  • Weight: 15.3kg
  • Dimensions: 300mm (L) x 254mm (W) x 150mm (H)


  • Consumption: 180 watts

With its unmatched craftsmanship and enduring performance, the EAR 509 mono amplifier continues to be a paragon of classic audio engineering, delivering limitless possibilities for audiophiles and professionals alike.

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Customer Reviews

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CHT Solutions has been very prompt to respond and ship the items. I will never hesitate to buy from them again. More power to CHT Solutions!

Richard Y.
Thornleigh, NSW

CHT delivery was incredibly fast, Many thanks all for such an easy purchase process and super fast delivery. 5 stars from me

Chris N.
Malaga, WA

Buying from CHT Solutions was easy and their price was great and I would recommend then to anyone seeking good Hi Fi equipment.

John L.
Woonona, NSW

Fast delivery and great products. Would recommend them to anyone needing great service for sound advice.

Oscar F.
Truganina, VIC

CHT delivered the unit to South Australia within a couple of days. Amazing! Their phone customer service was professional and courteous. Will happily purchase from them again

Robert F.
Tranmere, SA