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User manual Anthem Audio, model SFP-1

Manafacture: Anthem Audio
File size: 304.6 kb
File name: 9f9d4855-52ff-1e84-2dce-3795fb055133.pdf
Language of manual:en
Free link for this manual available at the bottom of the page



manual abstract


In the operate mode, the outputs are connected and the SFP-1 operates normally. B-Power Indicator LED - This LED lights when the SFP-1 is on and receiving power from the AC source. It will flash at one second intervals during warmup delay and muting. C-Power Switch - This toggle switch, when in the ON position, allows the SFP-1 to receive power, rendering the SFP-1 operational as indicated by the Power Indicator LED (B). When the switch is in the OFF position the SFP-1 is not receiving power and is not operational. 2 DE D-Detachable Power Cord Socket - Plug the Detachable Power Cord into this socket (see Figure 1). The SFP-1 is factory set for the correct operating voltage for the area in which it is sold (see shipping box for voltage setting). If a different operating voltage is required, please contact an authorized Sonic Frontiers dealer, distributor or the factory directly. E-AC Line Fuse -This is the AC fuse socket. It may be accessed with a small slot screwdriver by turning a 1/2 turn counterclockwise to unlock a spring that ejects the fuse holder out. The unit is factory installed with a “fast-blo” 1.5 Amp 250V (0.25” x 1.25”) or 0.75 Amp 250V (0.25” x 1.25”) for European and Asian versions. F-Left and Right Channel RCA Single-Ended Audio Output Connectors - The SFP-1’s RCA single-ended audio outputs are to be connected to the RCA single-ended audio inputs of a line level preamplifier, control amplifier, integrated amplifier or receiver. Left channel output of the SFP-1connects to the left channel input of control unit and right channel output of the SFP-1 to the right channel input of control unit. F GH G -Left and Right Channel RCA Single-Ended Phono Stage Input Connectors -These inputs accept a single- ended input connection from a turntable’s output connectors. The turntable equipped with a Moving Coil or Moving Magnet Cartridge (see operation section for proper setup) connects to the SFP-1. Left channel output to the left channel input of the SFP-1 and right channel output to the right channel input of the SFP-1. H-Ground Post - All turntable ground wires should be connected to the SFP-1 ground post to prevent any “hum” from interfering with the music signal. Figure 1 - Align socket pins to corresponding holes and push together firmly. INSERTION OF THE TUBES AND G A I N S E T T I N G The SFP-1 comes with two Sovtek 6922 (6DJ8-type) and two 12AT7A tubes (the SFP-1 Signature comes with two Mullard 6DJ8/6922 and two Gold Aero12AT7A Gold Grade), individually boxed, marked and bagged along with a cotton glove, screwdriver, and screws for fastening the SFP-1 cover. The following tube types will work under the same technical parameters as the 6922 and require no circuitry modification to function: • 7308/E188CC • 6DJ8/ECC88 • E88CC •12AT7A/E C C8 1 Please read and follow these instructions carefully for initial tube insertion or tube replacement. Great care was taken in the testing, selection and matching of the supplied tubes in order to ensure proper operation of the unit. Casual replacement of tubes is NOT recommended. 1. Be sure that the AC DETACHABLE POWER CORD IS DISCONN E C T E D from the SFP-1 for 5 minutes prior to removing the chassis cover in order to allow internal voltages to drain. 2. Using the Phillips screwdriver, remove the cover of the SFP-1. For convenience, only two of the screws are fastened. 3. When handling the tubes, it is recommended that the cotton gloves provided be worn to prevent skin oils from depositing on the glass surface and possibly causing the tube to become prematurely “gassy”, thereby shortening the tube’s useful operating life. 4. Inspect the tubes for code markings. They will be coded individually, each with one of the following codes: LV1, LV2, V1 and V2. 5 . Inspect the tube sockets in the SFP-1 Phono Stage for the codes matching the codes on the tubes. The coding is printed on the PCB circuit board beside the tube sockets. See Figure 2 for further clarification. 6 . Take the tube marked LV1 and inspect the pins, noting the larger space between two of the pins. This space will align with the same larger space between two of the pin holes on the socket. Insert the LV1 tube into the LV1 tube socket, making sure all pins and pin holes are aligned (see Figure 3). Do not force the tube into the socket. “Rock” the tube gently while pushing slowly until the tube is firmly seated. Figure 2 - Overview of the SFP-1 Phono Stage showing tube placement, MM/MC slide switches, R-Load and C-Load locations. WARNING - DISCONNECT the AC Detachable Power Cord from the SFP-1 and wait 5 minutes b e f o r e removing the Repeat this step for the remaining tubes; LV2 tube to the LV2 tube socket, V1 tube to the V1 tube socket and V2 tube to the V2 tube socket. 7. Two slide switches for gain setting left and right channel are located beside the LV1 and V2 tube sockets. These switches are to be moved inward to the MM position if a Moving Magnet or high output cartridge of 1.0mv or greater...


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