Sonorus Audio produces the ATR 10, a reel to reel deck based on the chassis from the Revox PR99 . The ATR10 is a 1/4” REPRO machine (playback only, no recording) for hi-end music listening.
Sonorus Audio ATR10 Vacuum Tube Reel to Reel
Electronically regulated tape tension, dual EQ (NAB and IEC), wire remote controlling and Library Wind (FF controlled speed to prepare tape for storage) are all new functionalities.
Sonorus builds the tape transport with original mechanical components from Revox/Studer. Internal electronics have been redesigned to use parts currently in production. The playback board is completely new, featuring a vacuum tube preamp section.
Frequency response:
- 15ips: 18Hz – 23kHz (+2/-3dB)
- 7.5ips: 14Hz – 20kHz (+2/-3dB)
Signal-to-noise ratios: RMS, ASA-A weighted, +6dBVU (510nWb/m)
- NAB (7.5ips): 73dB
- NAB (15ips): 71dB
- IEC (7.5ips): 71dB
- IEC (15ips): 73dB
Distortion: THD measured at 1kHz
- 15ips, 0dBVU: <0.15%
- 15ips, +6dBVU: <0.5%
- 15ips, +13dBVU: <3%
Tape tension: Electronically regulated. Tested with 10.5” (26.5cm) reels.
- Supply reel side: 0.45N +/-0.05N
- Take-up reel side: 0.60N +/-0.05N
Visit Sonorus Audio site here, or direct-download the brochure and the user manual.
January 20th, 2012 at 11:11 pm
[...] recently talked about the ATR10 in this page. This time it’s turn of United Home Audio HQ series. UHA-HQ [...]
January 24th, 2012 at 11:56 pm
[...] Revox-based Sonorus ATR10 (discussed here) and TASCAM-based UHA-HQ series (here) let’s now give a look at the J-corder brand by Jeff [...]
January 30th, 2012 at 11:18 pm
[...] The Los Angeles and Orange County Audio Society site hosts an interesting paper describing a step by step procedure for upgrading the B77 and PR99 Revox models for higher playback quality. The document is a work by Arian Jansen of Sonorus Audio. We talked about Sonorus Audio’s ATR10 tube reel to reel deck here. [...]