Casio ctk 450 service manual

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Ñ 1 Ñ General Number of Keys: 61 Polyphonic: 16-note Preset Tones: 64 Auto-Rhythms: 64 Auto-Accompaniment: CASIO Chord/Fingered Auto-Play Tunes: Songs: 32 (Melody ON/OFF) Free Sessions: 32 Terminals: PHONE/OUTPUT Jack [Output Impedance: 40 W, Output Voltage: 3.5V(rms)MAX], AC Adaptor Jack (DC9V) Built-In Speakers: 10 cm dia. 1.5W Input Rating: 1 pec. Power Source: 3-way AC or DC source AC: AC adaptor AD-5 DC: 6 D size dry batteries Battery life: Approx. 2 hours (SUM-3/R6P) Approx. 4 hpurs (AM-3/LR6) Car battery: Required optional car adaptor CA-5 Auto Power Off: Approx. 6 minutes after the last operation Power Consumption: 7.0 W Dimentions: 86 x 920 x 291 mm (HWD) (3-3/8 x 36-1/4 x 11-7/16 inches) (HWD) Weight: 3.5 kg (7.7 lbs) excluding batteries Standard Accessory: Music stand, Song book Electrical Current Drain with 9V DC: No Sound Output 130 mA ± 20% Maximum Volume 400 mA ± 20% with keys C3 to C4 pressed in Clarinet tone, Volume; Maximum Line Output Level (Vrms with 47 KW load each cannel): 650 mV ± 20% with key C6 pressed in Clarinet tone Phone Output Level (Vrms with 8 W load each channel): 120 mV ± 20% with key C6 pressed in Clarinet tone Speaker Input Level: 1400 mV ± 20% with key C6 pressed in Clarinet tone Minimum Operating Voltage: 5.7 V SPECIFICATIONS