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SPECIFICATIONS OF PRITCHARD AMPLIFIERS

Pritchard Amps have been measured or designed to the following specifications.
Individual amplifiers may vary from these nominal values:

BLACK DAGGER

FRONT PANEL CONTROLS and FEATURES
Input Jack
Input Level - Adapts the amplifier to the guitar level
Volume - Sets the clean / crunch level
Preamplifier has Vintage Voicing
Voice - Selects the style of amp:
A - Airy Art, a really cool clean tone inspired by acoustic guitars.
S - Smooth Solo, a good tone for jazz or solo guitar.
F - Famous Flat, inspired by the classic American amplifier tone.
M - Moderately bright, inspired by a famous British tone.
V - Very bright, inspired by another famous British tone.
L - Liquid Lead, a combination of American and British tones.
Boost - Sets the boost gain
Tone Controls, 3-band
Watts - Sets the dirty volume over approximate 20:1 power range
Reverb - Sets the spring reverb level
Foot Switch Controls - the panel controls operate in parallel with the
foot switches and to control gain boost, noise gate operation, and output stage tone.
B - Variable Boost on/off with indicator
C - Crunch boost on/off with indicator
Treble/Mid Noise Gate indicator

Power On indicator

REAR PANEL FEATURES

Mains Power Switch - Turns the amplifier on and off
Mains Inlet - Accepts the IEC power cord
Speaker Jacks
Gig - For maximum level output
PJ - Practice Jack™ for practice levels
Effects Jacks
Send - To send a +4 db signal to external effects device
RTN - To accept the serial return signal on the tip connection \ To
accept the parallel signal on the ring connection
EQ DI - Equalized Direct for sending a speaker emulated hot mike signal out
Amp DI - Unequalized output to an amplifier driving instrument speakers
Mike In - An input signal used when the guitar is not plugged in. Optionally,
the mike signal is isolated and impedance and noise matched by a Jensen
mike transformer with 11 db gain.
PERFORMANCE
Input Sensitivity to produce distortion with all controls turned up
30 microvolts - fully boosted
500 microvolts - crunch boost
1 millivolt - without boost
Output Wattage with 4 Ohm load
60 Watts undistorted
90 Watts clean peak transient (estimated)
90 Watts dirty
180 Watts peak distorted power (estimated)

 

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SPECIFICATIONS OF PRITCHARD AMPLIFIERS

BLOOD DAGGER

FRONT PANEL CONTROLS and FEATURES
Input Jack
Input Level - Adapts the amplifier to the guitar level
Volume - Sets the clean / crunch level
Preamplifier has Modern Voicing
Voice - Selects the style of amp:
  • V - Very bright, inspired by another famous British tone.
  • S - Smooth Solo, a good tone for jazz or solo guitar.
  • F - Famous Flat, inspired by the classic American amplifier tone.
  • T -
  • B - Bass Boost for mellow ballads and jazz standards
  • P - Precision / Tele, inspired by the Precision bass and useful for Tele tone
Boost - Sets the boost gain
Tone Controls, 3-band
Watts - Sets the dirty volume over approximate 20:1 power range
Reverb - Sets the spring reverb level
Foot Switch Controls - the panel controls operate in parallel with the
foot switches and to control gain boost, noise gate operation, and output stage tone.
B - Variable Boost on/off with indicator
C - Crunch boost on/off with indicator
Treble/Mid Noise Gate indicator
Power On indicator
REAR PANEL FEATURES
Mains Power Switch - Turns the amplifier on and off Mains Inlet - Accepts the IEC power cord Speaker Jacks
Gig - For maximum level output PJ - Practice Jack™ for practice levels
Effects Jacks
Send - To send a +4 db signal to external effects device RTN - To accept the serial return signal on the tip connection \ To
accept the parallel signal on the ring connection
EQ DI - Equalized Direct for sending a speaker emulated hot mike signal out Amp DI - Unequalized output to an amplifier driving instrument speakers Mike In - An input signal used when the guitar is not plugged in. Optionally,
the mike signal is isolated and impedance and noise matched by a Jensen
mike transformer with 11 db gain.

 

PERFORMANCE
Input Sensitivity to produce distortion with all controls turned up
30 microvolts - fully boosted 500 microvolts - crunch boost 1 millivolt - without boost
Output Wattage with 4 Ohm load
60 Watts undistorted 90 Watts clean peak transient (estimated) 90 Watts dirty 180 Watts peak distorted power (estimated)

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SPECIFICATIONS OF PRITCHARD AMPLIFIERS

JADE DAGGER

FRONT PANEL CONTROLS and FEATURES
Input Jack
Input Level - Adapts the amplifier to the guitar level
Volume - Sets the clean / crunch level
Preamplifier has Vintage Voicing
Voice - Selects the style of amp:
A - Airy Art, a really cool clean tone inspired by acoustic guitars.
S - Smooth Solo, a good tone for jazz or solo guitar.
F - Famous Flat, inspired by the classic American amplifier tone.
M - Moderately bright, inspired by a famous British tone.
B - Bass Boost for mellow ballads and jazz standards
P - Precision / Tele, inspired by the Precision bass and useful for Tele tones
Tone Controls, 4-band: Deep, Bass, Mid, and Treble
Watts - Sets the dirty volume over approximate 20:1 power range
Reverb - Sets the spring reverb level
Foot Switch Controls - the panel controls operate in parallel with the
foot switches and to control gain boost, noise gate operation, and output stage tone.
B - Extra Boost on/off with indicator
C - Crunch boost on/off with indicator
Treble/Mid Noise Gate indicator
Power On indicator
REAR PANEL FEATURES
Mains Power Switch - Turns the amplifier on and off
Mains Inlet - Accepts the IEC power cord
Speaker Jacks
Gig - For maximum level output
PJ - Practice Jack™ for practice levels
Effects Jacks
Send - To send a +4 db signal to external effects device
RTN - To accept the serial return signal on the tip connection \ To
accept the parallel signal on the ring connection
EQ DI - Equalized Direct for sending a speaker emulated hot mike signal out
Amp DI - Unequalized output to an amplifier driving instrument speakers
Mike In - An input signal used when the guitar is not plugged in. Optionally,
the mike signal is isolated and impedance and noise matched by a Jensen
mike transformer with 11 db gain.
PERFORMANCE
Input Sensitivity to produce distortion with all controls turned up
100 microvolts - fully boosted
500 microvolts - crunch boost
1 millivolt - without boost
Output Wattage with 4 Ohm load
60 Watts undistorted
90 Watts clean peak transient (estimated)
90 Watts dirty
180 Watts peak distorted power (estimated)

 

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SPECIFICATIONS OF PRITCHARD AMPLIFIERS

SWORD OF SATORI

MAIN CHANNEL FRONT PANEL CONTROLS and FEATURES

Input Jack
Input Level - Adapts the amplifier to the guitar level and sets noise gate level
Volume - Sets the clean / crunch level
Main Channel has vintage voicing
Voice - Selects the style of amp:
  • H - Heavy Dirt - high bass notch with substantial treble emphasis
  • S - Smooth Solo, a good tone for jazz or solo guitar.
  • F - Famous Flat, inspired by the classic American amplifier tone.
  • M - Moderately bright, inspired by a famous British tone.
  • V - Very bright, inspired by another famous British tone.
  • L - Liquid Lead, a combination of American and British tones.
Boost - Sets the boost gain
Tone Controls, 3-band

SECOND CHANNEL FRONT PANEL CONTROLS

Volume - Sets the clean / crunch level
Second Channel has vintage voicing
Voice - Selects the style of amp:
  • A - Airy Art, a really cool clean tone inspired by acoustic guitars.
  • S - Smooth Sold, a good tone for jazz or solo guitar.
  • F - Famous Flat, inspired by the classic American amplifier tone.
  • M - Moderately bright, inspired by a famous British tone.
  • B - Bass Boost for mellow balads and standard jazz tones.
  • P - A high bass and treble boosted tone inspried by Precision bass and useful for Tele sounds
Tone Controls, 3-band

REMAINING FRONT PANEL CONTROLS and FEATURES

Watts - Sets the dirty volume over approximate 20:1 power range
Reverb - Sets the spring reverb level
Foot Switch Controls - the panel controls operate in parallel with
the foot switches and to control gain boost, noise gate operation,
and output stage tone.
  • B - Boost on/off with indicator
  • C - Channel select with indicator
Treble-Mid Noise Gate indicator
Power On indicator

 

REAR PANEL FEATURES

Mains Power Switch - Turns the amplifier on and off
Mains Inlet - Accepts the IEC power cord
Speaker Jacks
  • Gig - For maximum level output
  • PJ - Practice Jack™ for practice levels
Effects Jacks
  • Send - To send a +4 db signal to external effects device
  • RTN - To accept the serial return signal on the tip connection \ To
    accept the parallel signal on the ring connection
EQ DI - Equalized Direct for sending a speaker emulated hot mike signal out
Amp DI - Unequalized output to an amplifier driving instrument speakers
Mike In - An input signal used when the guitar is not plugged in. Optionally,
the mike signal is isolated and impedance and noise matched by a Jensen
mike transformer with 11 db gain.

PERFORMANCE

Input Sensitivity to produce distortion with all controls turned up
  • 30 microvolts - fully boosted
  • 500 microvolts - crunch boost
  • 1 millivolt - without boost
Output Wattage with 4 Ohm load
  • 60 Watts undistorted
  • 90 Watts clean peak transient (estimated)
  • 90 Watts dirty
  • 180 Watts peak distorted power (estimated)

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SPECIFICATIONS OF PRITCHARD AMPLIFIERS

GOLD ESTOC

MAIN CHANNEL FRONT PANEL CONTROLS and FEATURES

Input Jack
Input Level - Adapts the amplifier to the guitar level and sets noise gate level
Volume - Sets the clean / crunch level
Main Channel has vintage voicing
Voice - Selects the style of amp:
  • A - Airy Art, a really cool clean tone inspired by acoustic guitars.
  • S - Smooth Sold, a good tone for jazz or solo guitar.
  • F - Famous Flat, inspired by the classic American amplifier tone.
  • M - Moderately bright, inspired by a famous British tone.
  • B - Bass Boost for mellow balads and standard jazz tones.
  • P - A high bass and treble boosted tone inspried by Precision bass and useful for Tele sounds
Boost - Sets the boost gain
Tone Controls, 3-band

SECOND CHANNEL FRONT PANEL CONTROLS

Volume - Sets the clean / crunch level
Second Channel has modern boutique voicing
Voice - Selects the style of amp:
  • H - Heavy Dirt - high bass notch with substantial treble emphasis
  • N - Nasty Notch - a low mid notch with treble emphasis.
  • F - Famous Flat, inspired by the classic American amplifier tone.
  • M - Moderately bright, inspired by a famous British tone.
  • V - Very bright, inspired by another famous British tone.
  • L - Liquid Lead, a combination of American and British tones.
Tone Controls, 3

REMAINING FRONT PANEL CONTROLS and FEATURES

Watts - Sets the dirty volume over approximate 20:1 power range
Reverb - Sets the spring reverb level
Foot Switch Controls - the panel controls operate in parallel with
the foot switches and to control gain boost, noise gate operation,
and output stage tone.
  • B - Boost on/off with indicator
  • C - Channel select with indicator
Treble-Mid Noise Gate indicator
Power On indicator

REAR PANEL FEATURES

Mains Power Switch - Turns the amplifier on and off
Mains Inlet - Accepts the IEC power cord
Speaker Jacks
  • Gig - For maximum level output
  • PJ - Practice Jack™ for practice levels
Effects Jacks
  • Send - To send a +4 db signal to external effects device
  • RTN - To accept the serial return signal on the tip connection \ To
    accept the parallel signal on the ring connection
EQ DI - Equalized Direct for sending a speaker emulated hot mike signal out
Amp DI - Unequalized output to an amplifier driving instrument speakers
Mike In - An input signal used when the guitar is not plugged in. Optionally,
the mike signal is isolated and impedance and noise matched by a Jensen
mike transformer with 11 db gain.

PERFORMANCE

Input Sensitivity to produce distortion with all controls turned up
  • 30 microvolts - fully boosted
  • 500 microvolts - crunch boost
  • 1 millivolt - without boost
Output Wattage with 4 Ohm load
  • 60 Watts undistorted
  • 90 Watts clean peak transient (estimated)
  • 90 Watts dirty
  • 180 Watts peak distorted power (estimated)

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SPECIFICATIONS OF PRITCHARD AMPLIFIERS

SULTRY MARGAUX

MAIN CHANNEL FRONT PANEL CONTROLS and FEATURES

Input Jacks
B Channel for instruments
C Channel for mike or instrument second channel or dual channel instruments
Input Level - Adapts the amplifier to the guitar level
Volume - Sets the clean / crunch level
Vintage preamp voicing
Voice - Selects the style of amp:
A - Airy, a really cool clean tone inspired by acoustic guitars.
S - Smooth, a good tone for jazz or solo guitar.
F - Flat, inspired by the classic American amplifier tone.
M - Moderately bright, inspired by a famous British tone.
B - Bass Boost for mellow ballads and jazz standards
P - Precision / Tele, inspired by the Precision bass and useful for Tele tone
Tone Controls, 4-band

REMAINING FRONT PANEL CONTROLS and FEATURES

Channel Selector Switch for Parametric Filter
Parametric Filter Frequency - Center Frequency adjustment
Parametric Filter Cut / Boost - Cut / Boost level control
Watts - Sets the dirty volume over approximate 20:1 power range
Reverb - Sets the spring reverb level
Foot Switch Controls - the panel controls operate in parallel with
the foot switches and to control gain boost, noise gate operation,
and output stage tone.
B - B Channel Crunch boost on/off with indicator
C - C Channel Crunch boost on/off with indicator
Treble-Mid Noise Gate indicator
Power On indicator

REAR PANEL FEATURES

Mains Power Switch - Turns the amplifier on and off
Mains Inlet - Accepts the IEC power cord
Speaker Jacks
Gig - For maximum level output
PJ - Practice Jack™ for practice levels
Effects Jacks
Send - To send a +4 db signal to external effects device
RTN - To accept the serial return signal on the tip connection \ To
accept the parallel signal on the ring connection
EQ DI - Equalized Direct for sending a speaker emulated hot mike signal out
Amp DI - Unequalized output to an amplifier driving instrument speakers
Mike In - An input signal used when the C input is not plugged in. Optionally,
the mike signal is isolated and impedance and noise matched by a Jensen
mike transformer with 11 db gain.

PERFORMANCE

Input Sensitivity to produce distortion with all controls turned up
500 microvolts - crunch boost
1 millivolt - without boost
Output Wattage with 4 Ohm load
60 Watts undistorted
90 Watts clean peak transient (estimated)
90 Watts dirty
180 Watts peak distorted power (estimated)

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GENERAL SPECIFICATIONS

AMPLIFIER TECHNOLOGIES

Preamplifier
  • Highly patented XGPA™ preamplifier stages designed to exceed vintage
    amplifier character.
  • Silent FET switching.
  • Great Tone, Great Tone Reliability
Output Stage
  • Highly patented XGPA™ output stages designed to exceed vintage
    amplifier character.
  • Expansive gain character to make amplifier more responsive at high
    picking strengths.
  • Fat enhanced.
  • Watts Knob™ Control over approximate 20:1 power range.
  • Boost controlled Gain Compression
  • Sag enhanced life
Spring Reverb
  • Magnetically shielded reverberation transducer for minimal hum
  • Proprietary, frequency compensated drive circuit
  • Treble/Mid Noise gate

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SPEAKERS & CABINETRY

Speakers
Single 12 Tunnel Back™ to work alone (4 ohms)
Single 12 Tunnel Back™ to work with extension speaker (8 ohms)
Single 12 Closed Back
Single 12 Tunnel Back™ with two 5-inch speakers
Single 15 Tunnel Back™
4-10 Tunnel Back™
Single 15 Tunnel Back™ Bass Extension Cabinet
Cabinetry
Amplifier Chassis - Engraved, Black Anodized and Shock
mounted 1/8-inch TIG welded aluminum
Speaker Enclosure - patented Tunnel Back™
Cabinetry - 12 mm box-jointed multi-ply Baltic Birch
Finish - Two tone green/black tolex on the outside, Cane grill,
Black interior (other colors and options available on special order).

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LINE / MAINS VOLTAGES
Line Voltage - 115 VAC (others available on special order)
Line Frequency - 50-60 Hz
Line Current - Highly dependent upon usage with maximums set by line
voltage, fuse(s), transformer temperature, and output stage temperature.
Line Connection - IEC chassis mount 3-prong male connector for standard
IEC cord set
Ground-to-Chassis Resistance - less than 0.1 ohms (100% Tested)
Line Voltage Isolation - Greater than 1,000 volts AC for 115 VAC
amplifiers \ Greater than 2,500 volts AC for 230 VAC operation (100% Tested)
Ground Wire Current - less than 500 microamps - typically less than
20 microamps (100% Tested)

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SAFETY FEATURES

Double grounded chassis (100% Tested)
Low ground currents (100% Tested)
Thermally protected output stage
Short-circuit protected output stage
No user-serviceable components inside

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ENVIRONMENTAL FEATURES

Non-linear, bandwidth limited circuitry to produce essentially zero electro-magnetic interference
Extensive use of radio-frequency suppression to minimize electromagnetic susceptibility.

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