h1f1.de - Seriously Audio Measurement & More

11/02/2024

Finalized the work on the new ARTA GRBL Stepper Turntable control.
Full Stepper motor control with USB interface for seamless use with ARTA oder stand alone with our command line tool or any other GRBL compatible software.
All on a tiny PCB using a inexpensive Pololu Stepper Driver:
And on top: fully Arduino Nano/Uno compatible!

23/11/2021

Looking for your next HiFi Amp Project?
Why not using a hassle free top quality Bang & Olufsen ICEPower Class-D Module?
2x 250W or 1x 500W of Power, Power Supply already included!
Sold out everywhere, but we have 5 pcs left in Stock!

Bang & Olufsen icePower 250ASX2 Module 2 x 250 W oder 1 x 500W Amplifier Module with Integrated Power Supply! Fully self-contained audio amplifier solution Configurable for stereo or mono output Rugged construction Thermal protection Over-current protection Sound optimized soft clipping Suitable for...

02/06/2020

Just a short note to those purchasing our ARTA Box PCBs...

We are aware that the Reichelt CBP-5 Cinch Connectors are no longer available and will take care of that during the next Design revision.
In between you can simply use the Reichelt CBP connectors.
Here we show how to mount them...

18/03/2020

Yesterday we received our order of 12 icePower 250ASX2
Most of them are pre-ordered by our customers, but a few are left for sale! 😉

05/02/2020

So what did we fix today? 😄
The recently aquired Behringer DCX 2496 Loudspeaker Management System did not talk to the Memory Card to save its Settings. The previous Owner damaged the PC Card Slot by bending some pins. A replacement was neccessary...

10/01/2020

After the extremely succesful tests of our full Class-D High-End Amplifiers, we are thinking making them available for sale. - What do you think? :-)

Key Specifications
• 500W @ 1% THD+N, 20Hz – 20kHz, 8Ohm, BTL
• 2 x 230W @ 1% THD+N, 20Hz – 20kHz, 4Ohm, SE
(both channels driven)
• 400W (2Ohm) + 100W (8Ohm) @ 1% THD+N, 20Hz –
20kHz, SE (both channels driven with asymmetric
load)
• 121dBA dynamic range (BTL-mode)
• 112dBA dynamic range (SE-mode)
• THD+N = 0.008% @ 1W (8Ohm,1kHz, SE-mode)
• THD+N = 0.003% @ 1W (8Ohm,1kHz, BTL-mode)
• 84,4 % total efficiency @ 500W, 8Ohm
• CCIF Intermodulation distortion = 0.0009%, 10W,
4Ohm, 18.5kHz/1kHz
• ±24V unregulated auxiliary power supply
• Selectable Mains 85-132VAC & 170-264VAC

18/01/2018

The making of the ARTA DIY Turntable

DIY Turntable HOWTO

18/12/2017

Here you can get the ARTA DIY Turntable PnP motor driver module

http://www.m1n1.de/produkt/arta-turntable-module/

18/12/2017

Loudspeaker measurement with ARTA and the DIY Turntable

DIY ARTA Automatic Loudspeaker Turntable Drive

15/11/2017

https://youtu.be/VSsbYYfASiM

How to build your own Loudspeaker Turntable

Building of an Do-It-Yourself ARTA Turntable