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STUDIO CHORUS™ 70 SPECIFICATIONS
POWER AMPLIFIER SECTION;
Rated Power & Load (Each Channel);
45W RMS into 8 ohms/separately
35W RMS into 8 ohms/both channels driven
(70W RMS Total)
Power
(a)
Clipping: (Typically Each Channel);
(1 kHz 120 VAC Line)
40W RMS into 8 ohms (5> 5% THD/Both Channels
Frequency Response:
• 0. -2dB. 60 Hz to 10 kHz. @>30W BMS mtoSohms
Total Harmonic Distortion:
Less than 0.2%. 100 mW to 30W RMS.
60 Hz to 10 kHz. 8 ohms.
(Typically Below 0.1%)
Hum 8 Noise:
Greater than 90 dB below rateO power
Power Consumption: (Domestic)
200 watts (S> 120 VAC. 50/60 Hz
PREAMP SECTION:
The following specs are measured @ 1 kHz with the
controls preset as follows
Push Bright SW @ Off (Out)
Saturation (3 0
Post Gain <3 10
Low EQ <® 10
Mid EQ @0
High EQ @ 10
Presence
5
Push Thick SW <3 Ofl (Oul)
Lead/Normal SW (n> Lead (Out)
Chorus Depth @ 0
Master Reverb @ 0
Nominal Levels are with Pro Gain @ 5
Minimum Levels are with Pre Gain
<3
10
Preamp High Gain Input;
Impedance: High Z 220K ohms
Nominal Input Level: -28 dBV. 40 mV RMS
Minimum Input Level -46 dBV. 5 mV RMS
Maximum Input Level; *4 dBV. 1,5V RMS
Preamp Low Gain Input; (6 dB Pad)
Impedance High Z, 44K ohms
Nominal Input Level: -22 dBV. 80 mV RMS
Minimum Input Level -40 dBV 10 mV RMS
Maximum Input Level: -10 dBV. 3V RMS
Preamp OutpuL'Each Channel: (Stereo Jack Tip)
Load Impedance IK ohms or greater
Nominal Output- 0 dBV. IV RMS
Maximum Output: *18 dBV. 8V RMS
Power
Amp
Input/Each Channel: (Stereo Jack Ring)
Impedance. High Z. 22K ohms
Designated Input Level: 0 dBV. IV RMS
(Switching jack provides Preamp Out to Power Amp
Input when not used)
Line Output/Each Channel; (Unbalanced XLR)
Load Impedance: IK ohms or greater
Nominal Output: -12 dBV, 0.25V RMS
Maximum Output: *6 dBV. 2V RMS
Headphone Output: (Stereo Jack/Stereo Signal)
Load Impedance 4 onms or greater/Chan
Nominal Power Output: 100 mW into 4 ohms/Chan
(Disconnects Internal Stereo Speakers when Stereo
Phone Plug is fully inserted)
System Hum & Noise @ Nominal Input Levels:
(20 - 20 kHz Unweighted)
75 dB below rated power
Equalization:
Low. Mid & High Passive EQ with Thick
Presence: *7-12 dB @ 5 kHz
Push Bright: '6 dB (ffi 2 kHz
Footswltch:
EFX Select: Selects lead or normal channel
(When selecting normal the "Post" control defaults
to 10 and "Thick" defaults to oil
Chorus: Defeats Chorus
Reverb Defeats Reverb
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Due to our efforts for constant improvement, features and specifications are subject to change without notice.
PEAVEY ELECTRONICS CORPORATION / 711 A Street
l
Meridian. MS 39301 / U S.A. / Telephone: (601) 483-5365 / Telex: 504115
7.-86
*80300526
PnnteO in US A
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