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This PCB was extensively moded with the best available, Vishay Bulk Metal foil, Caddock and Holco resistors. Multicap Thin-Foil fim capacitors, soft recovery diodes and instead of using the IC volume control, I use two external Noble potentiometers (much better, and no need for computer control). Here a picture of an original Line 1.
Sonic Frontiers My understanding is that Sonic Frontiers had a huge success with its low end Anthem line in the area of surround sound products (low end in compared to SF, but high end compared to all other HT products avail at the time), and realized that they could do much much better by focusing in this area, so they dropped all Sonic Frontiers products entirely (retiring the brand).
Joined 2015. 2020-10-24 11:12 pm. #7. Thanks, but I'm not looking for any Sonic Frontiers power amplifier manual. Sonic Frontiers had multiple preamps, "Line 2" was one of them, as was "SFL-2" (from a previous generation). I am looking for the "SFL-2" preamplifier schematic, specifically the PSU schematic. If anyone can help I appreciate it.
First time I saw this design was in the 90's from Sonic Frontiers, when I used to buy quality components from The Parts Connection. So, I share here the Sonic Frontiers SFP-1 Phono Stage schematic (partial, due to upload space constrains) so you can comment on it. The JFET in use are marked as J310.
Sonic Frontiers SFS-80 schematic diagram | diyAudio. WARNING: Tube/Valve amplifiers use potentially LETHAL HIGH VOLTAGES. Building, troubleshooting and testing of these amplifiers should only be. performed by someone who is thoroughly familiar with. the safety precautions around high voltages. Home.
OWNER’S MANUAL. OWNER’S MANUAL. THE SONIC FRONTIERS SFP-1 & SFP-1 SIGNATURE PHONO S T A G E. 2. CONTROL FUNCTIONS AND CONNECTIONS. A-Mute/Operate Switch- In the mute position, this toggle switch cuts off the signal to the outputs (F) of the SFP--1 hence muting the unit; the LED (B) flashes as a reminder. In the operate mode, the outputs are ...
jeff. Three or four years ago when I needed a schematic I e-mailed Anthem/Sonic Frontiers and they sent me the schematics and the trouble shooting guide the next day. I still have them. Also I spoke to the guy at Parts Connection and he could rattle off all of the best upgrades for that amp right from memory (I believe that he was one of the ...
If 1 A. 1N4007s are in use, the direct replacement UF4007 is a nice, and "idiot resistant", upgrade. The 1N5408/UF5408 is the 3 A. analog. As with diodes, cap. changes require thought about both mechanical and electrical factors. The schematic would definitely help. X.
Except for higher heater current consumption (600mA vs. 365mA), it is a direct plug-in replacement for the 6DJ8, ECC88 or 6922. You cannot use it in Audible Illusions, Balanced Audio Technology or Sonic Frontiers preamps due to the limitations in their power supplies.
My socket has been successfully tested by a qualified technician in a Parasound DAC-2000 converter, which includes the stock parts from UltraAnalog: the UA20400 converter. the AES-21 receiver from Ultra Analog too. The UA20400 was faulty and has been replaced by the well known Antonio socket based on 2xAD-1862N chips.