Or, just take everything out, and build a Marantz 7 clone into the chassis. I have to decide whether to try and get the chip and fix it, and whatever else might be zapped, or just "cobble" a more conventional type volume control circuit (i.e, potentiometer and such) in there. I have a Line 1, that unfortunately went through a lightning strike, and the attenuator is dead. The Linn has a MM phono section and not a perfect match for my 2.5 mv MC cart. I am currently using a Linn Kolecktor but wanting to go the tube route with a preamp. However, the only thing that tends to harm them, is big voltage spikes (such as lighting strikes and such). Against the Sonic Frontiers SFL-2: Since Russ Novak favorably reviewed the Sonic Frontiers preamp last November (Vol.17 No.11, p.129), it has become a favorite among the magazine's review team, with Roberts Harley and Deutsch and Dick Olsher also using it as one of their long-term reference preamplifiers. Sonic Frontiers Line 2, Heaven or Hell Looking for recommendations here concerning a pre amp swap. :scratch2:īTW: The only caveat with the Sonic Frontiers Line 1 and Line 3, is that they use an electronic volume control/attenuator chip that is VERY hard to find, should it go out. Sonic Frontiers SFL-2 Preamplifier Manual Specifications: Vacuum-tube line preamplifier with fully differential, all-balanced circuitry, outboard power supply, and remote control of all functions with 0.5dB steps of volume and balance. However, the only thing that tends to harm them, is big voltage spikes (such as lighting strikes and such). If you get stuck in repairing a defective appliance download this repair information for help. Ventilation - Although your SFL-2 Preamplifier generates only Sonic Frontiers, Inc. If it was closer to the sound of the Line 1, it would be well worth investigating.īTW: The only caveat with the Sonic Frontiers Line 1 and Line 3, is that they use an electronic volume control/attenuator chip that is VERY hard to find, should it go out. Sonic Frontiers Line 2, Heaven or Hell Looking for recommendations here concerning a pre amp swap. OTOH, the SP9, especially the earlier versions, will have plenty of that. ![]() Some people find it doesn't have quite enough bass. If there is a tonal "flaw" with the SF1, it's a bit of a "lean" balance.
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