1. 0dB INPUT: If your instrument has normal pickups, connect it here by
means of a shielded signal cable. If your instrument has active electronics
or “hot” pickups, use the -15dB Input jack (#2).
2. -15dB INPUT: If your instrument has active electronics or “hot” pickups,
connect it here by means of a shielded signal cable. If your instrument has
normal pickups, use the 0dB Input jack (#1).
3. ULTRA HI: This switch, when depressed, boosts the high frequencies.
4. ULTRA LO: This switch, when depressed, boosts the low frequencies.
5. GAIN: Use this control to adjust the input gain of the amplifier to your
instrument and playing style. With a low instrument output and a soft play-
ing style, this control would be set higher than with higher outputs and hard-
er playing styles. Proper setting of the Gain control will produce clean out-
put with the lowest noise level. Use this control in conjunction with the
Master control (#10).
6. BASS: Use this control to adjust the output level of the low frequencies.
This control provides an adjustment range of 25dB at 40Hz.
7. MID: Use this control to adjust the output level of the middle frequencies.
This control provides an adjustment range of 34dB at the frequency select-
ed by the Frequency control (#8).
8. FREQUENCY: Use this control to select the midrange frequency: 200Hz
(at the fully counter clockwise position), 400 Hz, 900Hz, 1.5kHz, or 2.5kHz
(at the fully clockwise position).
9. TREBLE: Use this control to adjust the output level of the high frequen-
cies. This control provides an adjustment range of 30dB at 4kHz.
10. MASTER: Use this control to adjust the output level of the amplifier and
the output level at the Balanced Line Out jack (#24) when the Post/Pre
switch (#22) is depressed.
11. 100W/60W: Use this switch to choose whether the output of the amplifi-
er is full power (switch at the 100W position) or half power (switch at the
60W position).
Note: In the 60W position the amplifier will deliver approximately 40 watts to
the internal 8 ohm speaker. To deliver the full 60 watts to the internal speak-
er, set the Impedance Selector switch (#18) to the 4 Ohms position.
Operation at either the 4 or 8 Ohms position is acceptable and will produce
tonal variances. Experiment with these settings to determine which setting
provides the best results for your application.
12. ON/STANDBY: Use this switch to activate the amplifier after the On/Off
switch (#13) is turned on. Always turn the On/Standby switch OFF first
and ON last! Turn the On/Off switch (#13) on at least 30 seconds before
turning on the On/Standby switch. During short breaks you should set this
switch to the Standby position to help prolong the life of the amplifier’s tubes.
13. ON/OFF: Use this switch to turn the amplifier on and off. Always turn
this switch ON first and OFF last! Turn the On/Standby switch (#12) on
at least 30 seconds after
turning on the On/Off switch.
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Power
Speaker Specifications
Performance
Weight and Dimensions
