![]() Uses Akai's glass and ferrite "GX" series heads. A two speed, three motor, three head deck which takes 10.5" reels and has full motion sensing with solenoid controls. Well I've never been accused of being in my right mind after all I'm here in the asylum after all! IP Address: 65.178.73.218 Add Your Reviewįirst off, who in their right mind would buy a Reel to Reel tape deck in 2003 and start a collection of pre-recorded 4 Track 7 1/2 ips tapes. Review by Teresa ( A) on Novemat 03:53:38 I cannot remember exactly what PSU I used now, however it was a small silent-switcher style design.REVIEW: AKAI GX-630DB Tapedeck Model: GX-630DB Category: Tapedeck Suggested Retail Price: $999.95 Description: 10 1/2 Inch Reel to Reel Stereo Tape Deck with Dolby B Noise Reduction Manufacturer URL: AKAI Model Picture: View Coupled with the SPDIF converter here, the result is a truly fantastic performing ADC once boxed and fed with a decent PSU. Unsurprisingly, apart from the SU-8 alone, none of the above measurements look like what we're used to seeing here.Īs a small side note. It's nice to see the data back this up by showing the uneven frequency response of the recording when compared to the pre-amp only measurement. I always had noticed the recordings from the deck had more bass, and sounded a little muddy when compared to the source. Obviously it doesn't sound like a modern day DAC, but I would never expect it too. However, I will say that, I was always surprised by how good this deck sounds. Unfortunately, I won't be the best at explaining what it all means. I hope anyone who took the time to read this post has managed to get something out of it. However, as I first mentioned, I am not an expert in this area by any stretch of the imagination. Apart from the uneven frequency response, it doesn't seem too bad. I was expecting it to be a total horror show. I wonder if this would show any improvement with re-capping the power supply board? I have only re-capped the pre-amp board so far.Īll in all, I was surprised by the above. There is also a bulge around 50hz which I'm guessing it due to mains in the UK. As I have always thought, there is elevation in low frequencies. Yeah, this is pretty ugly compared to what we're used to seeing on this website. The below measurements shows the SMSL DAC plugged directly into ADC: ADC is being used single-ended and not balanced which loses 6db of dynamic range.Measurements have not been offset to 0db.Bitrates all set to match between DAC and ADC etc (96khz).SoundBlaster responsible for Digital-to-Digital conversion only.Toslink connects from the ADC to SoundBlaster 1240.Audio Precision results for the ADC can be found on Tomi Nihitila's website: Click Here.The SMSL DAC has already been reviewed and measured courtesy of our friend Amir: Click Here.However, I've wanted to have a go at testing and measuring something for a while now, and this felt like the perfect starting point.Ĭhain of devices (in loop): Windows PC -> SMSL DAC -> Akai GX-620 -> Nihtila ADC -> SoundBlaster 1240 (via Toslink) -> Windows PC I don't imagine it is particularly well calibrated, and the tape heads have probably seen better days. However, I do find there is a bit too much bass when recording to tape. I have always been quite surprised by how good this thing sounds when listening to the source. I replaced all the dodgy Akai transistors and swapped out the electrolytic capacitors whilst I was at it.
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