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A1 Integrated Amplifier (Open Box Special)

SKU bst-eq-1880-cert9

classic 80s audiophile amp reintroduced
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sale Current Price$1,399.00 Original Price$1,699.00
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Lab Overview

Open Box / B-Stock Notes

  • exterior grade: 9.0 out of 10 - near mint, very light surface wear
  • item cosmetic note: n/a
  • item function: ✔️ tested
  • item exterior packaging: original, packaging may show damage
  • note: all open box / b-stock items are final sale


  • modern remake of classic Musical Fidelity A1 integrated amplifier from 1985
  • all analog design, 25W per channel, class A design (class A is least efficient but has the highest sound fidelity)
  • updated power transformer from shared to more efficient 'dual mono split rail' windings
  • low noise phono input for either MM or MC cartridges; features the same circuitry as the original 1985 design
  • (6) RCA stereo inputs including (1) dedicated MM/MC phono input, (5) line level inputs
  • note: like the original, the top of the amp features the signature heatsink grill (draws heat away from the circuitry), which gets very hot to touch during operation

"The A1 is undoubtedly a cult favorite amongst audiophiles for its class A power design, hyper-focused feature set (perfect for turntable setups), and iconic 80s design. All of this results in one of the best sounding integrated amps at this price range. For this new remake, Audio Fidelity has maintained most of the original character of the amp, while updating some of the inner circuitry." - TTL


  • Power output: 25 Watts per channel into 8 Ohms
  • THD (+ noise): <0.05 % typical
  • Signal to Noise Ratio: >82dB ‘A’ - weighted
  • Frequency Response: +0, –1dB, 10Hz to 40 kHz
  • Inputs: 1x Phono RCA MM/MC, 5x Line Level RCA
  • Outputs: 1 x line level RCA fix TAPE OUT, 1 x line level RCA var PRE OUT, 1 x 4mm banana/binding posts SPEAKER OUT
  • Line level sensitivity: 300mV rms nominal, 8V rms max
  • Line level inputs impedance: 25k Ohms
  • Tape Out impedance: 220 Ohms
  • Pre Out impedance: 100 Ohms
  • Dimensions: 17.3" x 2.7" x 11.2" / 440 x 68.3 x 283.3 mm
  • Weight: 23.1lbs /10.5kg

"In Hi-Fi, the Musical Fidelity A1 has become one of the most classic designs – inside and out. First released back in 1985, it quickly made waves for being an absolute beast when it came down to driving some of the most difficult speakers of that time, even though it was actually a rather low powered integrated amplifier. But: it was all done in pure Class A with excellent and expertly laid out discrete symmetrical circuitry topology and using only highest quality components. The A1 showed people that there was more to amplifiers than just high power. Based on its huge success, the A1 has gone through multiple reissues and new versions over the years. Now for 2023, for the first time since its initial release we have actually kept all specifications, the appearance and circuits of the 1985 rendition for those who missed out the first time. With an updated transformer, power supplies and modern low noise components we’ve revitalized the formula and are proud to reintroduce the fresh original – three decades later." - Musical Fidelity


  • remote control
UPC: 9120122297964

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