Signal Flow Block Diagram - Peavey 6505 II Operating Manual

POWER AMPLIFICATION
SECTION
RATED POWER AND LOAD:
120 W RMS into 16, 8, or 4 ohms
POWER @ CLIPPING:
(Typically @ 5% THD, 1 kHz, 120 V AC
line)
130 W RMS into 16, 8, or 4 ohms
(Bias must be reduced to measure.)
FREQUENCY RESPONSE:
+0, -3 dB, 50 Hz to 20 kHz @ 100 W
RMS into 8 ohms
HUM AND NOISE:
Greater than 75 dB below rated power
POWER AMP EQ:
Active Presence: +10 dB @ 2 kHz
Active Resonance: +10 dB @ cabinet
resonant frequency
POWER CONSUMPTION (Domestic):
400 watts 50/60 Hz, 120 V AC
(Domestic)
TUBE COMPLEMENT:
6-12AX7 preamp tubes
(1 for clean/crunch, 3 for Lead, 1 for
EFX and 1 phase splitter
4-6L6GC
INPUT
TUBE STAGE
RHYTHM

SIGNAL FLOW BLOCK DIAGRAM

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PREAMP SECTION
The following specs are measured @
1 kHz with the controls preset as follows:
PREAMP INPUT:
Impedance: Very high Z, 470K ohms
Lead Channel (with channel select in):
Nominal Input Level: -60 dBV,
1 mV RMS
Minimum Input Level: -76 dBV,
.15 mV RMS
Clean Channel (with channel select out):
Nominal Input Level: -30 dBV,
Minimum Input Level: -34 dBV,
Maximum Input Level: 0 dBV,
(Subtract 24 dB with Crunch switch in.)
EFFECTS SEND:
Load Impedance: 47 k ohms or greater
Nominal Output: -10 dBV, 300 mV RMS
Features and specifications subject to change without notice.
PRE
LEAD
TUBE STAGES
FOOTSWITCH
SWITCH
LOGIC
CHANNEL
SELECT
TUBE STAGES
PRE
PUSH
BRIGHT
FOOTSWITCH
6505
5150 II
®
SPECIFICATIONS
Low and High EQ @ 10
Mid EQ @ 0
Bright out
Lead and Rhythm Posts @ 10
Presence and Resonance @ 0 dB
Nominal levels with Pre Gains @ 5
Minimum levels with Pre Gains @ 10
30 mV RMS
20 mV RMS
1.0 V RMS
5150 II
6505
®
BLOCK DIAGRAM
LOW MID HI POST
LOW MID HI POST
PUSH
CRUNCH
PREAMP
OUT
7
EFFECTS RETURN:
Impedance: Very High Z, 470 k ohms
Designed Level: -10 dBV, 300 mV RMS
PREAMP OUT:
Load Impedance: 47 k ohms or greater
Nominal Output: +10 dBV, 3 V RMS
REMOTE FOOTSWITCH:
Special 3-button unit with LED indicators
(supplied)
Channel select and reverb
SYSTEM HUM AND NOISE @
NOMINAL LEVEL (clean channel):
(20 Hz to 20 kHz unweighted)
Greater than 63 dB below rated power
EQUALIZATION:
Custom Low, Mid, and High passive type EQ
Push Bright (Rhythm Channel only)
+6 dB @ 2 kHz
Push Crunch (Rhythm Channel only)
Increases gain
DIMENSIONS (H x W x D):
10" x 26.625" x 11.75"
(25.4 cm x 67.6 cm x 29.8 cm
WEIGHT:
48.3 lbs. (21.91 kg)
FOOTSWITCH
SWITCH
LOGIC
TUBE BUFFER
TUBE STAGES
TUBE
POWER
AMP
IMPEDANCE
SWITCH
SWITCH
LOGIC
RESONANCE PRESENCE RESONANCE
LEAD
EFFECTS
SEND
RETURN
SPEAKER
OUTPUTS
PRESENCE
RHYTHM