boXem A series

[tgray]

Just wanted to say I've been using my A series (4215/E2) for a month now and it is great! While it's nice to have a trigger, the audio sense is soooooo good, I don't even use the trigger.

 

[boXem]

Winning the price of the shortest product lifespan: the A 4215/Ex series!

The idea was to replace the 1ET400A by the 1ET6525SA and keep going, but we finally decided that the little power boost in 2R was big enough to be worth a product rename.

So, say welcome to the
- stereo A 4216/E2 1210 €
- 3 channels A 4216/E3 1690 €
- 4 channels A 4216/E4 2025 €
- 5 channels A 4216/E5 2390 €

Availability from mid October.

 

[amper42]

Winning the price of the shortest product lifespan: the A 4215/Ex series!

The idea was to replace the 1ET400A by the 1ET6525SA and keep going, but we finally decided that the little power boost in 2R was big enough to be worth a product rename.

So, say welcome to the
- stereo A 4216/E2 1210 €

Looking at new 4216/E2 page.
1. Looks like images posted need update as rear shows a mono amp instead of stereo?
2. Really like the SpeakOn option now available with Boxem Stereo Purifi 4216/E2.
3. Is there a need for top down cooling with Purifi modules? Does it make any difference over 4215/E2 case?
4. Is the 4215/E2 case discontinued or is it still available with 1ET6525SA?
5. Why was the gain stage board changed from 4215/E2? Does it still use OPA1656?
6. I really like how responsive the volume control is when using the 4215/E2 with 27.2dB gain stage. Will the 4216/E2 gain stage of 26.3dB be just as smooth with the remote?

Thank you!

 

[boXem]

1. Images updated, thanks!
3. The Purifi modules do not need the top down cooling, but A series cases are also used with Hypex modules that really benefit from this. The power supply runs a bit cooler in this case than in the Arthur one.
4. The Arthur 4216/E2 with 1ET6525SA will appear in a very short time.
5. The short lived A 4215/E2 already had an OPA1612. This board is highly configurable and supports both Hypex and Purifi modules. The Arthur 4215/E2 that you own has an OPA1656. The OPA1656 allows and higher input impedance without generating too much DC. But it's noisier than the OPA1612. A series input impedance is 10k, Arthur input impedance is 94k. 10k is perfectly OK with whatever opamp, but a bit low for passive attenuators, tubes, minimalistic discrete output stages, ...
6. 0.9 dB doesn't make a perceptible difference in volume control