B-52 ST60A User Manual

IMPORTANT SAFETY

INSTRUCTIONS!

1)	Read these instructions.
2)	Follow all instructions.
3)	Keep these instructions.
4)	Heed all warnings.
5)	DO NOT turn on the ST-60A without the
	loudspeaker connected.
6)	Do not use the ST-60A near water. Be extra
	cautious when moving the ST-60A during
	rain or while transporting it over wet surfaces
	as water might splash onto the amplifier.
6)	Clean only with dry cloth.
7)	Do not block any ventilation openings and
	operate in accordance with manufacturer’s
	instructions.
8)	Do not install near heat sources such as
	radiators, stoves or other devices that may
	produce heat.
9)	Do not defeat the safety purpose of the
	polarization or grounding-type plug. A
	polarized plug has two blades with one wider
	than the other. A grounding-type plug has two
	blades and a third grounding prong. The wide
	blade or the third prong is provided for your
	safety. If the provided plug does not fit your
	outlet, consult an electrician for replacement
	of the obsolete outlet.
10)	Protect the power cord from being walked on
	or pinched, particularly at the plug and the
	point where it exits the ST-60A amplifier.
11)	Only use attachments / accessories specified
	by B-52 Professional.
12)	Unplug the ST-60A during lightning storms
	and when not in use.
13)	Refer all servicing to qualified personnel.
	Servicing is required when the ST-60A has
	been damaged in any way such as when
	power-cord or plug is damaged, liquid has
	been spilled into the amplifier, the unit has
	been exposed to moisture or rain, does not
	operate normally, or has been dropped.
14)	To reduce the risk of fire or electric shock, do
	not expose the ST-60A to rain or moisture.
15)	Moisture can damage the ST-60A and can
	cause corrosion of electrical contacts.
16)	Keep the unit out of extended or intense
	direct sun light. No containers filled with any
	type of liquid should be placed on or near the
	ST-60A.
17)	Never remove the front or rear panels of
	the ST-60A while it is connected to an
	electrical outlet.

2

INSIDE THIS INSTRUCTION MANUAL

Important Safety Instructions / Features .........2

Product Information ...........................................3

ST-60A Controls..................................................4-5

Set-up & Warranty Information .........................5-7

Contact Information ...........................................8

	ST-60A FEATURES
This B-52 Stealth Series ST-60A has a 100% pure, all-tube
signal path, incredible tone and a wide array of guitarist
friendly features. It combines Russian Sovtek 6L6 power
tubes with 12AX7 preamp tubes for solid tube tone and
classic breakup. This roadworthy head provides serious
musicians with monstrous gain, extreme levels of distortion
and a sparkling clean channel. Selectable solid-state or tube
rectification through a Sovtek 5AR4 ensures complete tonal
authenticity.
●	1/4” input jacks
●	Overdrive channel with gain 1, gain 2 with contour, 3-band
	EQ and level control
● Clean channel with level control and 3-band EQ
●	Master volume and reverb
●	Rugged foot switch for channel select, reverb on/off and
	gain select
● Push switch for channel and gain select
●	Headphones line out
●	Line level send and return with level controls
●	Line out with level control
●	Selectable external speaker jacks
●	Ground lift switch
●	Rectifier select switch for: Tube A, Tube AB1 and
	Solid-State
● Dimensions: 27” x 11” x 11” (W x H x D)
●	Weight: 51 lbs.
	SOVTEK TUBE CHART
	Power Tubes:		4 x 6L6
	Preamp Tubes:		5 x 12AX7
	Reverb Tube:		1 x 12AT7
	Rectifier Tube:		1 x 5AR4
	HEED ALL WARNINGS!
	CAUTION	WARNING: To reduce the risk or fire or
		electrical	shock do not expose this
	RISK OF ELECTRIC SHOCK
	DO NOT OPEN	equipment to rain or moisture.

ST-212S

ST-60A 60-WATT ALL-TUBE LEAD GUITAR AMPLIFIER!

Thank you for choosing the B-52 Stealth Series ST-60A amplifier. This guitar amplifier is perfect for guitarists of every level. Whether you are playing to a stadium crowd of 50,000 or practicing at home in your garage, the ST-60A will produce awesome crunch, smooth mids and crystal-clean highs. It is also capable of producing massive amounts of distortion, perfect for any style from blues to metal.

This instruction manual explains all that the ST-60A has to offer, how to operate and control each feature so you can achieve the sound you desire. B-52 HIGHLY recommends that you read this manual carefully and, please, heed all warnings.

B-52 Stealth Series Speaker Cabinets

(Recommended for use with ST-60A)

ST-412V - 280-Watt RMS Cabinet - Slant

ST-412S - 280-Watt RMS Cabinet - Straight

ST-212S - 140-Watt RMS Cabinet - Straight

The B-52 ST ST-412V and ST-412S are a perfect complement to the ST-60A all-tube amplifier. They offer awesome tone and incredible projection. With four Celestion Vintage 30 speakers, these cabinets provide tight bass, fat mids, and smooth harmonically rich highs. The ST-212S provides similar tonal qualities in a 2x12” cabinet.

FEATURES:

4 x 70 Watt Celestion Vintage 30 speakers ● Black Grille Cloth/white piping

● Metal handles and rubber feet ● Detachable casters

● Distinctive black vinyl finish.

● (Matches ST-series amplifiers)

ST-412V ST-412S

HEARING DAMAGE, PROLONGED EXPOSURE TO EXCESSIVE SPL

B-52 Stealth Series amplifiers and speakers, including the ST-60A, are capable of producing sound pressure levels (SPL) sufficient to cause permanent hearing damage to performers, production crews or people in the audience. Hearing protection devices such ear-plugs are recommended. Caution should be taken to avoid extended SPL is excess of 90 dBA.

AMPLIFIER MODULE PRECAUTIONS

Do not attempt to service the ST-60A by yourself. Refer all servicing to a B-52 Stealth Series Authorized dealer. Service is required when the ST-60A has had liquid spilled on or inside the unit, has been damaged in any way, has been exposed to rain or moisture, does not operate normally or has been dropped.

WARNING - SHOCK HAZARD:

To reduce the risk of fire or electrical shock, do not expose this unit to rain or moisture. Do not operate your ST-60A near a pool or other standing water. Make sure all blades on the polarized power plug are fully inserted into the power source. Ensure the power cord is not stretched, pinched or otherwise abused. Ensure the power cord is routed to avoid foot traffic. 3 Your ST-60A amplifier should be cleaned only with a dry cloth.