SP1 RFSOLUTIONS | Alldatasheet
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Technical content
“ Guitar or/and Bass Preamplifier |S a As Bae | General description | Ree Gaya The SPI is a high performance Guitar and Bass ae Soe, § —S—|_ preamplifier for professional applications. ae ii : ex\\ —————s|_:s Two special effects for Guitar and Bass (Bright and ees SAacgee\\\\’ = —-——_|_ Deep switch) for new acoustic sounds. Features Applications ¢ Tone controls (Treble-Bass-Middle) integrated e Fine Musical Instruments ¢ Only four external potenziometers required « Guitar-Bass and Keyboard Amplifier * Diode clamp input protection * High Power Amplifier « SIL Package « Thick film hybrid technology LOCK DIAGRAM BR 14] DP : n +Vcec _ Pre-AMP — out AUCIN : SU VOR Manele 3112 GND -Vec | 8|TR 10}BS 9|MD 13| INP
Electrical Characteristics Ta = 25°C unless otherwise specified Veo Supply Voltage 29 412 £18 VDC Vv AF input signal 1000 mVRMS
2 Input inpedance ee
Tor Operating Temperature Range -20 +80 °C Pin Description Mechanical Dimensions 1 ~ VCC Negative supply voltage
2 BR Bright switch
3 GND — Ground {
4 NC No connect 1 38.10mm ore 5 1N1 Input signal er a \\—~—
6 IN2 Input signal 1
7 AUX-IN_ Input signal (Microphone) # ‘
8 TR Treble Components Side | 12.70mm
9 MD Middle |
10 BS Bass Aa BASH 15 ¥
an +VCC Positive supply voltage See
12 GND Ground
13 INP Input preamp ‘|
14 DP Deep switch H 254mm
15 OUT Outputmaster -
HIGH 5 1" 2 1 = aes cee Re # | Deep Switch Sensitivity ae 3 pee 6 SP1 18 © Signal Output cow BE = zs 0 9 haa Brignt Treble |Bass = 9 C5 Volume ' 25K y Component typical values R. F. Solutions Ltd., Unit 21, Cliffe Industrial Estate, e South Street, Lewes, E Sussex, BN& 6JL. England. Tel +44 (0)1273 696 000. Fax +44 (0)1273 400 661. RF Solutions is a member of the Low Power Radio Association.