Musical Fidelity AMS50 stereo power amplifier

Musical Fidelity AMS50 stereo power amplifier

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The Musical Fidelity AMS50 is state-of-the-art pure Class A dual mono power amp. It has a unique double fully complimentary balanced bridge circuit. This unique circuit configuration gives extraordinary technical and sonic performance. Wide band distortion is typically below 0.005%. Frequency response is ruler flat. Load driving ability and stability margins are outstanding. Sonically the AMS50 has a sweet, clear tactile sound which takes you ever closer to the heart of the music. When the Musical Fidelity AMS50 is paired with a Musical Fidelity Primo the sonic results are jaw-dropping.

Output: Power 50 Watts per channel into 8 Ohms (17dBW),
100 Watts per channel into 4 Ohms
Voltage, RMS 20 Volts 20Hz to 20 kHz
Voltage, Peak-to-peak 58 Volts
Current peak-to-peak 100 Amps
Damping factor 190
Output devices 12 per channel
Thermal cut out (internal temp) 70∫C
Balanced Line input:
THD + noise, 20Hz to 20 kHz  0.006% unwtd.
Signal to noise ratio  110dB ëAí-weighted
Input sensitivity for 50 Watts 650mV
Input impedance 50k Ohms
Frequency response 10Hz to 40 kHz, +0, -0.4dB
Line level inputs 1 pair line level XLR (balanced) connectors
1 pair line level RCA connectors
Speaker outputs 4 pair 4mm banana plug/binding posts
Trigger input 3.5mm/⅛î mono jack socket
Trigger level ±5V to ±12V
Power requirement:
Mains voltages: 115/230VAC 50/60Hz (factory pre-set)
100VAC 50/60Hz (alternative)
Consumption: 600 Watts maximum into 8 Ohms
14 Watts idle (mains LEDs lit)
Weight: 60 kg 132 lbs unit only, unboxed
65 kg 143 lbs in shipping carton
Dimensions: 483 mm 19 inches wide
325 mm 12æ inches high including feet
460 mm 18º inches deep (front to back) including terminals
Standard accessories: IEC type mains lead (10-Amp type)


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 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


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

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