Onix A55 Mk1 Integrated Amplifier


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The A55 (Mk 1) from Onix is an integrated amplifier that has been designed, engineered and constructed with vinyl lovers at heart. Utilising meticulously linear circuitry and high quality component. The final result is a warm, exemplary sound complete with every microdynamic detail and richness. This superlative sound quality, at an accessible price. 

The unit can be controlled via the supplied handset, or by manipulating the various control functions on the front of the unit. The A55 (Mk 1 ) features a plethora of inputs including phono, RCA and TAPE. Inside the amplifier are Sanken power transistors (2SC2837/2SA1186) operating on each channel, as well Benches filter capacitors (2 x 10.000mf/63 Nichicon “Gold Tune“). A 300W toroidal Piltron transformer is also utilised by this highly capable amplifier, along with an Alps Blue Velvet motorised potentiometer.


Output power  2 x 55W RMS (8 Ohm) – 2 x 100W RMS (4 Ohm) 
Frequency response   10Hz – 30kHz (-0,5dB)
Input sensibility  350mV/47Kohm 
 Signal/noise ratio >88dB (A weighted) 
 Channel separation  >51dB
 THD 0,005% (3W/8Ohm) 
 Dimensions in mm (Width x Height x Depth) 430 x 372 x 91
 Power Consumption 300W 
 Power Supply 220V-240V AC 

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Providing your item is in stock, the order is usually dispatched within 24 hours. Please remember that postage and packing is completely free for orders over £50*. Out of stock items will be dispatched as soon as they become available, out of stock items can take between 4 to 21 days for dispatch.

Deliveries usually take 1-3 working days. The majority of orders are sent via our couriers'; Interlink Express on a next-day-delivery service. Smaller, low value or light-weight items are normally posted using Royal Mail Recorded or Royal Mail Special Delivery.

Once your product has been dispatched, you will be notified via email and sent a unique consignment number, you can use this number at http://www.interlinkexpress.com to check the status of your delivery. If you have provided a mobile telephone number, Interlink's Predict service will notify you by text (and email) of a one-hour delivery window. If the window they suggest is inconvenient, you can change the date of delivery to a later one via text or email.

*We ship free of charge to mainland UK addresses, excluding the Scottish Highlands or 'Out-Of-Reach' Scottish locations. Please consult the post-codes below to see if your location falls within this category. If you are still unsure, please contact us on 01432 354921. We also ship to Northern Ireland, Channel Islands, Scilly Isles, Scottish Isles and Scottish Highlands, however delivery to these locations will incur a charge and can only be sent via a 2-day service.

Shipping CostsMainland UK (Next-Day)Offshore/Out-of-reach (2-day)Northern Ireland, Channel Islands, Isle of Man, Scottish Islands, Scilly IslandsRepublic of Ireland (2-day)
Under £50 Orders £7.50 £12.50 £15.00
Over £50 Orders FREE £19.99 £29.99
Surcharge Orders £50.00 £69.99 £79.99
Saturday Delivery £12.99 N/A N/A
Sunday Delivery £12.99 N/A N/A
Saturday by 12 Delivery £35 N/A N/A


Post codes exempt from the free delivery service include:

Scottish Highlands Post Codes: AB30-38, AB41-42, AB44-56, FK17-99, G83, IV1-28, IV30-39, IV52-54, IV63, KW1-14, PA21-33, PA34-40, PH15-26, PH31-41, PH49-50
Islands Post Codes: HS1-9, IV40-51, IV55-56, KA27-28, KW15-17, PA20, PA41-49, PA60-78, PH42-44, ZE1-3
Northern Ireland: All BT postcodes
Channel Islands Post Codes: JE, GY
Scilly Isles Post Codes: TR21, TR22, TR23, TR24, TR25