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  #1  
Old 03-07-2011, 04:09 PM
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Join Date: Mar 2011
Location: Southern California
Think I got a great deal...have a few questions tho...

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Hey, all.

I recently started playing bass and am pretty excited about it. I had a Ampeg 12 inch combo that I sold at a loss to my son's friend to get them started with their band and sat tight to look for a deal.

A friend was moving and he'd gotten a great deal that he decided to pass on to me for the price he paid for it. I got a Ampeg head and a Ampeg 4x10 cabinet for $200 total, and it's in great shape. Good karma maybe for passing along my combo! The head is a B1-R and the cab is a BSE410HLF.

I like more vintagey sounding stuff, and the cab has a high frequency attenuator, which I think is something I will like. still learning about bass equip versus guitar. Even if I outgrow the head I'm sure the cab is a keeper.

anyway, a few questions on the amp...I don't know the purpose of these options:
On the front there is a "limit" button on the right.
There is a "pad" button on the left with "-12db" underneath.
On the rear there's a button with "-20db" when pressed in, and "0 db" when not pressed in.
And another with "Post" when pressed, and "Pre" when not pressed. What are these for?

My basses are both 4 strings and passive....a Lakland Skyline J style and a Fender P bass.

Thanks for any tips or feedback.

Joel
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Last edited by Billyzoom : 03-07-2011 at 04:12 PM.
  #2  
Old 03-07-2011, 04:12 PM
christw's Avatar
amateur tube amp hoarder

Endorsing Artist: J Worrell Pickups / J Worrell Bass
 
Join Date: May 2008
Location: Dayton OH
Supporting Member
Edit: screw it... all your answers will be found here:

http://www.ampeg.com/pdf/B1RE.pdf
  #3  
Old 03-07-2011, 04:18 PM
Registered User
 
Join Date: Feb 2008
Location: Los Angeles
2. -12dB PAD: This switch, when depressed,
attenuates (reduces) the input signal by 12dB.
Attenuation allows the Gain control (#4) to be
used over a larger portion of its range. If clipping
is indicated with the Gain control near
minimum, attenuation is needed.

9. LIMITER: The B1RE uses an internal
Optocoupler Limiter to assist in keeping the
power amplifier’s output “clean” at extreme
volume levels. (All amplifiers begin to clip
their output signals as they approach maximum
output levels, resulting in distortion
which may damage your speakers.) To
engage the Limiter, depress the Limit
switch. Whenever the amplifier is at full
power, the adjacent Limit LED will flash.
This is an indication that the limiter is keeping
peak signals from clipping the output.
NOTE: Playing at full power with the Limiter
off will give you increased output power, but
the sound may be distorted. Use discretion
when playing without the Limiter.

20. -20dB/0dB: This switch sets the output
level at the Bal. Out jack (#22). The control
works independently from the front panel
Master control. Depressing the switch
activates the 20dB pad. The result is a
signal that is more compatible with the
microphone inputs on a mixer.

21. POST/PRE: You can select either Pre
or Post EQ for the signal at the Bal. Out
jack (#22) with this switch. With the switch
in the OUT position, the signal at the jacks
will be Pre-EQ. This is a direct output not
affected by any EQ or boost settings. With
the switch depressed, the signal is Post-
EQ and is controlled and modified by the
tone controls and Effects Loop.

22. BAL. OUT: This XLR-type connector
supplies a balanced preamp output signal
for connecting to a house mixing board,
recording console or external amplifiers
with balanced inputs. The signal can be set
to Pre or Post EQ by the back panel
Pre/Post switch (#21). The level can be
adjusted for either mic or line type inputs
using the -20dB/0dB switch (#20)
  #4  
Old 03-07-2011, 04:23 PM
Registered User
 
Join Date: Mar 2011
Location: Southern California
Thanks....got so excited didn't even think of that.

Quote:
Originally Posted by christw View Post
Edit: screw it... all your answers will be found here:

http://www.ampeg.com/pdf/B1RE.pdf
Thanks.
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