INDEX | SPECIFICATIONS | MILITARY-SPEC | HARRY WHO? | RAVES
 

Following are specifications for HARRY JOYCE amplifiers built from 1993 through September 2000.  These specs are provided for your information.

HARRY JOYCE HJ CUSTOM AMPLIFIERS
(Built 1993- Fall 2000)
CLASSIC ALL-VALVE TONE, PUNCHY DYNAMICS, ROBUST CONSTRUCTION AND A TRADITIONAL, NO-FRILLS APPROACH TO CONTROL LAYOUT.

THE SOUND YOU WANT, THE FACILITIES YOU NEED, WITHOUT GIMMICKS OR COMPROMISES.

HJ Custom designs are based on circuitry that was developed in the Sixties and the Seventies. The units are hand wired to British Military Spec and offer a combination of:

• POWERFUL CLEAN SOUND EVEN AT STAGE VOLUME
• EXTENDED BASS RESPONSE FOR A FULL SOUNDING RESULT, EVEN WITH A SINGLE COIL PICKUP
• GENEROUS HEADROOM FOR A PUNCHY, UNCOMPRESSED SOUND
• USEFUL TONAL VARIATION, INCLUDING A PRESENCE CIRCUIT, TO TAKE YOU FROM INCISIVE, CUTTING VALVE TONES TO MUCH WARMER TONALITIES, VIA VINTAGE-STYLE "BOTTOM AND TOP" SOUND
• MASTER VOLUME FACILITY FOR CRUNCHY RHYTHM AND LEAD TEXTURES, AT MODEST AND NOT SO MODEST SOUND LEVELS
• HIGH AND LOW SENSITIVITY INPUTS, ALLOWING YOU TO KEEP THINGS REALLY CLEAN OR TO OPT FOR EASIER DISTORTION
• MODERN EFFECTS LOOP, TO HELP YOU GET THE BEST FROM TIME BASED EFFECTS UNITS LIKE CHORUS AND ECHO
• SIMPLE, STRAIGHTFORWARD CONTROLS, ARRANGED IN AN EASY TO UNDERSTAND FORMAT

SPECIFICATIONS - H.J. CUSTOM 30, 50, and 100
Input Impedance		1 Meg Ohm
Input Sensitivity		2.5 Mv rms @ 500hz
FRONT PANEL
Inputs 1 and 2		Normal
Inputs 3 and 4		Brilliant
Volume One - "Normal Vol"
Volume Two - "Brill Vol"
Bass	+/- 20 db
Treble	-6 to +30 with Presence
Middle	+ 10 db
Presence
Master Volume
Neon Pilot Lamp
Standby Switch
Mains Switch
REAR PANEL
Mains Voltage Selector
Mains Plug
Fuses - Mains & High Tension
Series Effects Loop - 1/4" Send & 1/4" Return
0 db Slave Out - 1/4"
Speaker Outputs - Two 1/4" parallel
Output Impedance Selector