Audio Analogue AAPhono MM/MC Phono Preamplifier

AAphono has been developed starting by a double operational amplifier configuration that permits to share the total gain between the two amplifiers having in this way a more precise RIAA response. A big effort was made to obtain a good result in this parameter using high quality and low tolerance components used in parallel configuration in order to uniform errors. In order to cancel eventual LP's fluctuations, a subsonic filter has been added between first and second amplifiers to avoid that strong low frequency oscillations would saturate the gain stages. 

The circuit design has been completed with an offset recover in the last stage and multiple filters in the power supply stage. There are three different toroidal transfomers to supply digital section and left and right analog sections, keeping ground connections separated. All passive components have been carefully selected. Capacitors used for RIAA curve equalization are all plastic film with low tolerance. AAphono is very versatile and simple to use. For MM cartridges it is possible to set the input's capacitance and resistance, while for MC cartridges, it is possible to set input's resistance. These regulations can be easily done simply pushing the corresponding buttons under the unit, just behind the front panel, without removing anything or without using many different switches. The selected configuration will remain settled also when the unit will be switched off or disconnected by the power network.

Technical Specifications:

• Channels: 2
• MM gain(@1KHz): 40dB
• MC Gain(@1KHz): 65dB
• Frequency response(+/-0.25dB): 10Hz - 20KHz
• MM SNR: 89dB
• MC SNR: 72dB
• Standby power consumption(230VAC): 0.7W
• Dimensions(HxWxD): 87, 220, 372 mm
• Weight: 5.8 Kg

We endeavour to despatch same day for orders placed up to 2pm on available stock items (items with stock message "Usually dispatched within 24 hours"). Please remember to check with us first for a physical stock check if next day delivery is important to you. Any items with stock message "Usually dispatched within 72 hours" are items that we do not hold in stock but order in from the importer or manufacturer as soon as a customer order is received. Occasionally these may be delayed beyond 72 hours due to importer/manufacturer stock levels but we will inform you as soon as we can if this is the case.

UK ORDERS:  We despatch the bulk of our UK mainland items on a 24 hour service – Free of Charge.  Non Mainland locations - Isle of Man, Isle of Wight, the Scilly Isles, the Scottish highlands and Islands, the Channel Islands and Northern Ireland may take a day or so longer and are not Free of Charge. Smaller items are delivered using Royal Mail 24 or special delivery. Larger items are delivered using a courier service such as DPD or UPS. 

INTERNATIONAL ORDERS: We offer competitive rates which can be confirmed by email. Please just ask – we will need a full delivery address and telephone number. Smaller items are delivered using Royal Mail Small Packets Airmail with International Tracked and/or Signed depending on value of item and availability of the service. Larger International shipments are sent by insured and tracked services using UPS. If there are any delays due to specific customs regulations, etc, you will be contacted by Hifisound or by the courier with a request for any further information required. Customs duties can apply for shipments to any countries outside of the UK depending on where the product you have bought is made. Customers are responsible for all taxes and duties incurred when the items enter their country.

COLLECT IN STORE OR HOME INSTALL:At the request of the manufacturer some items cannot be supplied by mail order but you can click and buy them and then elect to collect them from our store or arrange a home install (if applicable). Applicable items clearly state that they are Collect in store or home install. Once ordered you will receive a message prompting you to contact us by phone or email to arrange for us to deliver and install or to reserve and collect from our store at your convenience, you will also be advised of the delivery time / stock availability as not all Home install / collect in store items are held in stock.