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Edwards Audio IA1-R MkII Integrated Amplifier


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Found it cheaper? Click here. SKU: EDAIA1RAM
Ex VAT: 415.83

RRP: £549.95


This integrated amplifier offers a fresh redesign of the earlier IA1 and IA1-R models with remote control ability, a sophisticated aesthetic and an improved power supply.

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Condition:Brand new in original retail packaging

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Warranty length 2 Years (10 Years on registration)
Brand Edwards Audio

Tech Specs

- Output 8/4 Ohms both channels: 50W /80W
- Power bandwidith +/-1.5dB: 20-20kHz
- HD Distortion: 0.1% (20kHz/1W) -83dB
- Signal/Noise: 1W – A Wtd 85dB
- Optional RIAA Card (40dB): 47K with 120pF
- Stereo separation: > 66dB – 20-20kHz
- Input Loading – Line level: 27K
- Dynamic Range: 110dB
- Output impedance: <0.1 Ohms
- Max out level: (5m/s 1kHz) 80W into 8 Ohms
- Power Consumption (idle): 30W
- Dimensions (WHL): 240 x 87.5 x 325mm
- Weight: 3kg, 4kg (Packaged)

Product Description

Edwards Audio IA1-R MkII Integrated Amplifier is essentially a remote controllable version of the Apprentice IA1 but has an improved power supply based on a 200VA custom wound transformer and DC blocking on its AC input.

It has a backlit GREEN LED Acrylic front panel display with a 9mm thick custom machined frame with 40mm dia turned aluminium control knobs which are finished with a black anodised bead blasted finish.


The main design is a spin-off from its bigger brothers, with some lessons learned along the way. It is based on an all-new class AB, Bi-polar, Darlington configured output stage using Sanken devices, coupled with a differential front end and buffered voltage stage. The main PSU consists of a custom wound toroidal transformer with 20,000uF of smoothing. The active pre-amp section uses a Soundwell volume control and features relay input switching. So, there are no compromises on the parts!

The IA1-R has remote volume if you can’t live without it! It makes an ideal partner with our SP1 bookshelf loudspeakers and TT1 turntable when plugged directly into the optional internal custom designed RIAA MM input board. This makes for a very well balanced and musical system whose performance belies its modest price tag.


The elegant ‘half width’ case size with LED backlit display allows the amplifier not to be imposing in aesthetics even with its flexible input arrangement: you have a line level on 3.5mm stereo jack and 4 line level inputs on RCA, one of which is labelled 'Option', for use with the optional moving magnet RIAA input stage. The PCB’s are all surface mounted using Vishay mini melf 1% resistors – not the usual thin film type which sound inferior. The capacitors, no less than Panasonic FM series and larger components are all hand placed and hand soldered as flow soldering has a negative impact on sound quality.

Edwards Audio IA1-R Integrated Amplifier is an updated version of the earlier Apprentice IA1 that showcases new and improved features such as remote control ability and an enhanced power supply.

The new power supply is designed around a 200VA custom wound transformer and its DC blocking can be found on its AC input. Upgrades like this truly enhance this integrated amplifier. The musical performance of this model truly belies its entry-level price tag.

Sleek Interface

The model enjoys a green back lit LED acrylic front panel display complemented with a 9mm thick custom machined frame. A 40mm dia turned aluminium control knob is given a finishing touch with black anodised beads.

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